6762 — TDK Corporation
Thesis
Verdict: PASS at ¥3,179 (re-engage ¥2,200-2,500). Conviction: Medium. TDK is a high-quality Japanese component-and-battery conglomerate whose stock has tripled in five years (¥819 → ¥3,179, +293%) and doubled in the last twelve months (+105%) on the back of the AI-passives / nearline-HDD recovery cycle and the iPhone 17 silicon-anode battery launch. At ¥3,179 the stock trades +11% above the 17-analyst mean price target of ¥2,869, on 31x trailing P/E, 2.76x book, and an 11.3x EV/EBITDA — versus a structural ROIC of 7.4% that sits at-or-below cost of capital (WACC ~7-8%). The deep-dive stance is bearish-neutral, with caveats.
The core point: anyone buying TDK "for the MLCC cycle" is paying a conglomerate-discounted price for the wrong reason. ~89% of segment operating profit comes from Energy Application Products (ATL rechargeable batteries, dominated by Apple iPhone small-cell), the MLCC business that anchors this peer swarm is only ~10% of revenue, and the medium-cell battery ramp (the supposed margin diversifier) hasn't yet proven it can earn small-cell economics. The setup combines a stretched multiple, a maxed-out near-term operating cycle, and a capex spike that compresses FY3/26E FCF to ¥115B from ¥220B prior year.
What has to be true for the bull case: ATL silicon-anode small-cell continues to win iPhone share and ATL medium-cell battery (via the Ampace JV with CATL) eventually earns small-cell-style margins (15%+ OP vs current medium-cell ~10-12%). Both legs together justify a re-rating above the conglomerate-discount range and lift consolidated ROIC toward 10%+. What kills it: ROIC stays sub-8% through FY3/27, Apple cuts ATL share of iPhone batteries by >20%, or the multi-vector cycle (AI passives + nearline HDD + silicon-anode) rolls over — 2026 is the peak of all three.
12-month target band: ¥2,500-2,800 — implies -12% to -22% downside on multiple compression to 25-27x P/E or EV/EBITDA 9-10x as Q4 FY3/26 ICT seasonality kicks in (mgmt guides Energy Application -18% to -15% QoQ) and the AI-server passives one-time accelerant normalizes.
This is consistent with the broader MLCC peer-swarm pattern: Yageo trades 35% above consensus PT, Taiyo Yuden 43% above, TDK 11% above. The swarm is rallying ahead of fundamentals — TDK is the least extended of the three because it has the most diversified mix, but it's still extended. Within the swarm TDK is the least pure MLCC name but the highest quality on governance + balance sheet + capital allocation. If forced to pick one Japanese name at today's prices, Murata (6981.T) is probably the better entry; TDK becomes the better choice on a 20%+ pullback when its Apple-battery torque becomes asymmetrically attractive.
Snapshot
One-liner: TDK is the world's third-largest MLCC supplier, but it's really an Apple iPhone battery company (ATL = 55% of revenue, ~89% of segment OP) with MLCC, HDD heads, and sensors as torque.
Ticker / exchange: 6762 (Tokyo Stock Exchange Prime; OTC ADR TTDKY/TTDKF). GICS Information Technology / Electronic Components. HQ Nihonbashi, Chuo-ku, Tokyo. Founded 1935 (to commercialize ferrite, the first Japanese-invented magnetic material). Legal name TDK Corporation (formerly Tokyo Denki Kagaku Kogyo K.K. until 1983). FY end March. ~106,545 consolidated employees. Beta 0.63. Nikkei 225 / Nikkei 225 constituent.
Price/cap snapshot (as of 2026-05-21, the research date): Price ¥3,179 (checklist intraday ref ¥3,185). Market cap ¥6.03T (~US$40B; checklist cites ¥6.05T at ¥3,185). EV ¥5.38T.
Note a balance-sheet net-cash discrepancy across fragments: the deep-dive EV bridge says EV ¥5.38T = "~¥270B net cash"; the profile's valuation table says "net cash of ~¥650B" in the EV line but elsewhere reports net cash flipping from ¥190B net debt (FY3/22) to ~¥270B net cash by Dec 2025 with cash ¥878.2B (Dec 2025) and total debt ¥608.4B (FY3/25). The ~¥270B net-cash figure is the consistent one across deep-dive, mgmt-dd, and checklist; the profile's "¥650B" EV-line note appears to be a cash-balance (not net-cash) figure and is flagged as the outlier.
Valuation snapshot: P/E (TTM) 30.9x / 31x; P/E (FY3/26E) ~31.8x on ¥100.11 guidance EPS; EV/EBITDA 11.3x; P/B 2.76x; EV/Revenue 2.2x; P/FCF (FY3/25 actual) 27.4x; FCF yield 1.9% (FY3/26E) / 3.7% (FY3/25 actual); dividend yield 1.07% (¥34 forward) — yfinance shows a stale 1.36% metric. 52-week range ¥1,486 - ¥3,198 (near top, +114% off the low). ROIC 6.7% (FY3/25) → 7.4% (FY3/26E). ROE 7.9% (FY3/25) → 9.5% per integrated report.
Key stats: ~100+ production sites globally; ~200 consolidated subsidiaries; gross margin ~31% (FY3/25 31.2%); R&D 11.6% of revenue (FY3/26E ¥280B); ¥300B FY3/26 capex (~13.6% of revenue, mostly battery). Stock splits: 3-for-1 Oct 2021 and Oct 2024 (one fragment cites a 5-for-1 Oct 2024 — flagged below in decision log).
Business
TDK is built on four physical-science franchises — ferrite/magnetics, multilayer ceramic capacitors (MLCC), thin-film magnetics (HDD heads), and lithium-ion batteries — that converge on the same end-markets: smartphones, data-center hardware, EVs/ADAS, and industrial automation. Pure manufacturing: TDK sells components, not subscriptions. No recurring revenue; per-unit pricing set annually or per-program, with quarterly true-ups for FX and materials. Apple is ~30-40% of ultimate revenue, routed through Foxconn/Pegatron/Luxshare assembly.
Five reporting segments (9M FY3/26 actual, from the Feb 2, 2026 Q3 deck)
| Segment | 9M Sales (¥B) | YoY | 9M OP (¥B) | OP Margin | % Group Sales | % Segment OP |
|---|---|---|---|---|---|---|
| Energy Application | 1,025.2 | +14.4% | 205.1 | 20.0% | 55.2% | 87.4% |
| Passive Components | 438.2 | +3.2% | 30.4 | 6.9% | 23.6% | 12.9% |
| Magnetic Application | 186.8 | +13.0% | 19.4 | 10.4% | 10.1% | 8.3% |
| Sensor Application | 167.7 | +17.3% | 19.2 | 11.4% | 9.0% | 8.2% |
| Other | 41.0 | — | (4.4) | — | 2.2% | (1.9%) |
| Total reported | 1,858.6 | +11.3% | 230.7 | 12.4% | 100% | 100% |
Critical observation: the Other + corporate-adjustments line is negative ¥43.5B of OP (corporate overhead + inter-segment elimination). Energy Application has to carry the corporate stack and fund the loss-making Other segment. Without ATL, TDK doesn't have a profitable consolidated business — it would be a ¥830B-revenue passive-component-and-HDD-heads business with an 8-9% blended margin, looking more like Taiyo Yuden than Murata.
Segment A — Energy Application Products (55% revenue, 87% segment OP)
Lithium-ion batteries through Amperex Technology Limited (ATL) — Hong Kong subsidiary acquired in 2005, the dominant small-cell battery supplier to Apple (iPhone/AirPods/wearables), plus industrial power supplies via TDK-Lambda. Small-capacity (smartphones, wearables, AirPods) is by far the largest sub-line; medium-capacity (power tools, drones, ESS, e-mobility) growing from a low base. The 2026 angle: ATL's silicon-anode small-cell tech hit volume with the iPhone 17 Air thin form factor (autumn 2025 launch). TDK has publicly shipped silicon-anode small-cell since 2023 (Bloomberg Jan 4, 2024: "Apple Supplier TDK Bets New Battery Will Change Smartphone Game"). Apple-grade silicon-anode cells command an estimated 20-40% premium over conventional graphite. Customer mix: Apple ~60-70% of ATL revenue; rest Samsung, Xiaomi, Oppo, Vivo, Honor. Medium-cell runs through the Ampace JV with CATL (e-scooters, drones, residential/industrial ESS, power tools, UAVs). 9M sales ¥1,025.2B (+14.4%); Q3 alone ¥377.1B (+16.4% YoY, +4.0% QoQ); Q4 guided -18% to -15% QoQ on smartphone seasonality. Q3 OP ¥67.4B at 17.9% (-18.1% QoQ on material price impact — cobalt/nickel/lithium). The 20%+ Q1/Q2 margins are unusually high for the battery industry and mgmt has signaled they're not the run-rate. This segment is the entire investment thesis.
Segment B — Passive Components (24% revenue, 13% segment OP) — THE MLCC SLICE
Q3 sub-mix (¥B): Ceramic capacitors (MLCC) Q1 57.5 / Q2 62.1 / Q3 66.3 (~¥186B 9M, ~42% of segment); Inductive devices ~¥163B (~37%); Other passives (HF, piezo, circuit protection, aluminum electrolytic, film) ~¥91B (~21%). MLCC is ¥186B of the ¥438B segment 9M sales — call it ~10% of group revenue, annualized closer to ¥250B (¥220-260B; 10-11% of full-year group revenue of ¥2.47T). This is materially higher than the "~5%" an early profile draft estimated; the Q3 deck quarterly line is the better source. TDK's MLCC business is roughly the same size as Taiyo Yuden's entire revenue base (¥347B FY3/26E for TY) but with a far more diversified customer mix. TDK's MLCC strength is high-voltage automotive (100V, 250V, 500V, 1,250V parts launched in 2025) and high-reliability industrial; in smartphone high-CV, Murata is dominant. The May 2026 industry-leading 6-13% MLCC price hikes were initiated by Taiyo Yuden and Yageo — TDK is participating, not leading. Passive Components 9M OP ¥30.4B at 6.9% margin, down -25.6% YoY (includes ¥2.7B Q2 aluminum-electrolytic restructuring; ex-charge roughly flat). The OP-margin gap to Murata (~24%) tells you TDK's passives business is sub-scale for a pure-play profile.
Segment C — Magnetic Application Products (10% revenue, 8% segment OP) — THE HDD SURPRISE
HDD heads + suspension assemblies (via Magnecomp, Thailand) Q3 ¥61.2B (+18.5%); magnets ~¥10B (declining). This is the AI/hyperscaler nearline-HDD upgrade cycle hitting the P&L: HDD heads volume +15% YoY in Q3, suspensions +30% YoY / +23% QoQ. Segment OP +380% YoY for 9M — one of the cleanest AI-infrastructure beneficiaries in any Japanese listing. Strongest moat at TDK: TDK and Resonac (former Showa Denko HD; 4004.T) are the only two HDD-head suppliers globally; Western Digital and Seagate are the only two customers. Textbook duopoly-vs-duopoly. Margins protected when demand inflects (Magnetic ran negative OP margin in some FY3/25 quarters; +10.4% in 9M FY3/26).
Segment D — Sensor Application Products (9% revenue, 8% segment OP) — THE RECOVERY
Temperature/pressure sensors, TMR magnetic sensors (smartphone OIS position sensing), MEMS (InvenSense, acquired 2017 for $1.3B). Q3 ¥59.8B (+24.4%); 9M OP ¥19.2B vs ~¥5B prior year — +260% YoY; MEMS returned to profitability. Second-most direct beta to the iPhone 17 cycle behind ATL.
Segment E — Other (2% revenue, loss-making)
Mechatronics production equipment and camera-module micro-actuators for smartphones (iPhone camera autofocus/OIS content). Supports the iPhone supply-chain footprint without standalone return.
Value chain & moat
Component manufacturer two layers up from raw materials, two down from end consumer. Trapped in the supplier-squeeze sandwich: powerful suppliers above (cobalt, nickel, palladium, BaTiO3 — price volatility hits gross margin directly) and more powerful buyers below (Apple, Tier 1 auto, hyperscalers). Pricing power moderate — strong in 100V+ automotive MLCC, HDD heads (duopoly), and silicon-anode small-cell (Apple-favored tech leader); limited in smartphone high-CV MLCC (Murata), aluminum electrolytic (commodity), and medium-cell batteries (CATL parent-relative + LG/EVE/Samsung SDI). Upstream bottleneck: the single most leveraged node is Sakai Chemical (4078.T) for BaTiO3 dielectric powder (~3-4% of TDK market cap) — already flagged in 6976 Taiyo Yuden inv-q; TDK is ~4x TY's MLCC exposure so Akita+Yamagata capacity expansion flows to Sakai disproportionately.
Key customers (estimated; TDK does not disclose)
Apple (via Foxconn/Pegatron/Luxshare) 30-40% — ATL silicon-anode batteries + TMR sensors + MEMS + MLCC + camera actuators (largest concentration); Western Digital ~4-5% and Seagate ~4-5% (HDD heads); Samsung Electronics ~5-8% (Galaxy battery + MLCC); Chinese smartphone OEMs (Xiaomi, Oppo, Vivo, Huawei, Honor) ~10-15%; Auto Tier 1s (Bosch, Continental, Denso, Aptiv) ~10-12%; AI server/hyperscaler ODMs small but growing. Concentration-risk math: Apple cutting TDK content/iPhone by 20% knocks ~6-8% off revenue and 15-20% off net income; shifting half of silicon-anode small-cell to Samsung SDI is ~15% revenue / 30% net income — the single biggest catastrophic-event risk in the model. Apple actively maintains second sources (Samsung SDI, Sunwoda) to keep ATL honest on price.
JVs, M&A, footprint
Ampace Technology Ltd. — JV with CATL (300750.SZ) formed 2018, originally 80% CATL / 20% ATL, restructured 2023; medium-cell beachhead, revenue single-digit billions of yen in the Energy "medium-capacity" line. TDK-Lambda — wholly-owned industrial-power brand; Oct 2025 TDK announced divestiture of the Americas/Europe automotive power-supply business (a hard signal ATL won the internal capital-allocation contest). InvenSense (2017, $1.3B) and Showa Denko HD-media (2022) fully integrated. EPCOS (2008, ~€1.2B) is the European passives foundation. Gelion (2025, Australian zinc-bromine battery JV — small). Footprint: MLCC clean rooms Akita + Yamagata (expanding 100V automotive 2025-2027); ATL battery mega-sites Ningde, Dongguan, Liyang (China) + new India plant under construction; HDD-head wafer fab Akita; Magnecomp suspension assembly Thailand. Asset-heavy: FY3/25 net PP&E ¥1.05T against ¥2.2T revenue (asset turn 2.1x).
TAM
MLCC ~$13-15B global (2024), 8-12% CAGR to 2030, high-end (auto 100V+, AI server, high-CV smartphone) >20%; TDK ~12-13% share (Murata ~30%, Samsung E-M ~18-20%). Lithium-ion ~$140-160B (2024); ATL's addressable slice — small-cell consumer (~$25-30B) + medium-cell (~$20-25B) = ~$50-55B; ATL ~50% small-cell share. HDD heads ~$3-4B (TDK+Resonac duopoly).
Financials
Core Four framing. (1) Organic revenue growth: FY3/26E +9.8% YoY at guidance midpoint, ~+11.3% organic (9M actual) offset by ~-1.5% yen and ~0% net M&A — high-single to low-teens, solid for a mature conglomerate but not break-out. The 3-year revenue CAGR (FY3/22-25) is only ~0.4% — FY3/26 +9.8% is a single-year cycle peak. (2) Margins: OP margin 10.2% (FY3/25) → 10.7% (FY3/26E), +50bps, driven by Magnetic (+380% OP YoY) and Sensor (+260% OP YoY), partly offset by Passive Components compression and the Energy Q3 materials hit. Incremental margin ~17% on +¥265B revenue / +¥41B OP — below the >25% you'd want from operating leverage. (3) Capital intensity: capex 13.6% of revenue (FY3/26E ¥300B) vs 10-13% historically; FCF margin compresses 10% → 4.8%. (4) Capital deployment: ¥48B dividends, no buybacks, ¥300B capex, no M&A in FY3/26E — the entire story is "build battery capacity now," no return-of-capital signal.
Income statement & margins (¥B; FY end March; FY3/26 = 9M actual + Q4 guide midpoint)
| Metric | FY3/23 | FY3/24 | FY3/25 | FY3/26E |
|---|---|---|---|---|
| Revenue | 2,180.8 | 2,103.9 | 2,204.8 | 2,420.0 (range 2,370-2,470) |
| Revenue growth YoY | +29.0% | -3.5% | +4.8% | +9.8% |
| Gross profit | 584.5 | 603.0 | 688.0 | n/a |
| Gross margin % | 26.8% | 28.7% | 31.2% | ~31% |
| Operating income | 168.8 | 172.9 | 224.2 | 255.0 (range 245-265) |
| Operating margin % | 7.7% | 8.2% | 10.2% | 10.7% |
| Net income | 114.2 | 124.7 | 167.2 | 190.0 |
| Net margin % | 5.2% | 5.9% | 7.6% | 7.7-7.9% |
| EPS (¥, post-split) | n/a | n/a | 88.10 | 100.11 |
Cash flow & balance sheet (¥B)
| Metric | FY3/22 | FY3/23 | FY3/24 | FY3/25 | FY3/26E |
|---|---|---|---|---|---|
| Operating cash flow | 179.0 | 262.8 | 447.0 | 445.8 | n/a |
| Capex | (291.3) | (275.7) | (218.6) | (225.3) | (300.0) |
| Free cash flow | (112.4) | (12.9) | 228.4 | 220.5 | 115.0 |
| FCF margin | -5.9% | -0.6% | 10.9% | 10.0% | 4.8% |
| R&D | 165.3 | 179.5 | 188.9 | 253.6 | 280.0 |
| R&D % of revenue | 8.7% | 8.2% | 9.0% | 11.5% | 11.6% |
| Total debt | 679.8 | 752.2 | 685.7 | 608.4 | n/a |
| Cash | 439.3 | 506.2 | 650.0 | 697.3 | 878.2 (Dec 2025) |
| Net cash / (debt) | (192.1) | (191.0) | (35.7) | +88.9 | ~+270 (Dec 2025) |
| ROIC (TDK-disclosed) | n/a | n/a | n/a | 6.7% | 7.4% |
Key reads: Capex spikes to ¥300B for FY3/26 — explicitly "mainly related to rechargeable batteries" — compressing FCF to ¥115B from ¥220B. R&D ramped 48% in two years (¥189B FY3/24 → ¥280B FY3/26E), almost entirely battery-driven (silicon-anode density, sulfide solid-state, medium-cell). Balance sheet flipped from ¥190B net debt (FY3/22) to ~¥270B net cash by Dec 2025 — gives optionality but no buyback telegraphed. ROIC at 7.4% is roughly at WACC (~7-8%) — TDK creates minimal economic value at the corporate level. This is the central financial reason for the conglomerate discount and the reason 2.76x book is hard to justify unless ROIC heads to 12%+.
Incremental margin & second-derivative
Reconstructing from the Q3 deck (yfinance returns only the EPS line): Q3 FY3/26 incremental EBIT margin ~7.7% (revenue +¥94.2B YoY, OP +¥7.3B YoY) — materially below the reported group margin of ~12.3%. New Q3 revenue is coming in at lower margin than the base, consistent with Energy Application material-cost compression. Revenue YoY by period: Q1 ~+5-6%, Q2 ~+11.5-13%, Q3 +16.2% (disclosed) — accelerating through Q3. But mgmt guides Q4 -10% to -7% QoQ (-18% to -15% Energy Application). Q3 was almost certainly the YoY growth peak; the second derivative is rolling negative. Consensus already sits inside the guidance midpoint (~¥629B Q4 implied vs ¥621-641B consensus), so little room to surprise in Q4. Next catalyst that matters: FY3/27 guidance at April 28, 2026 results.
Industry landscape
Three industries converge at TDK, all in the same cycle phase (mid-to-late up) in 2026. MLCC: consolidated oligopoly — top 6 control ~80% of revenue, Chinese new entrants (Sunlord, Fenghua, Three Circle) at ~10% combined but mostly low-end. Cycle position mid-to-late upcycle; pricing firmed in 2025-2026 after a 2022-2024 destock; May 2026 6-13% price hikes (led by Taiyo Yuden + Yageo) signal supplier discipline holding. Historical cycle: 18-30 months up, 12-24 down; current upcycle started ~Q4 2024, ~18 months in. Battery small-cell: moderately consolidated (ATL ~50%, Samsung SDI ~20%, LG ~10%, EVE Energy and others); upcycle on iPhone 17 + smartphone refresh + wearable content; less cyclical than MLCC. HDD heads: TDK-Resonac duopoly serving WDC+Seagate duopoly; mid-upcycle, more secular than passives once hyperscaler nearline upgrade hits run-rate. Battery peers: CATL (#1 globally, Ampace JV partner + competitor), LG Energy Solution, BYD, Samsung SDI (closest ATL small-cell competitor), Panasonic Energy, EVE Energy. Implication: all three core franchises in mid-to-late up phase simultaneously — exactly the setup where chasing the stock at 31x P/E is dangerous; by 2027 at least one is normalizing.
See sector page: passives-mlcc
Management
Overall grade: Green (A-) on governance, B+ on capital allocation; the single weakness is personal alignment. This is high-quality professional management with exceptional governance for a Japanese mega-cap, low personal alignment offset by structurally clean incentive design.
Leadership
Noboru Saito — Representative Director, President & CEO since June 2022 (~4 years; 9th CEO in TDK's 90-year history). TDK lifer (joined 1985, 40+ years), engineering/materials science. Ran Energy Application (ATL battery) before elevation — the appointment itself signaled the board's commitment to making batteries the strategic engine (a negative signal for an MLCC-focused investor: MLCC won't get the strategic priority it gets at Murata). As Energy chief he grew ATL revenue from ¥740B (FY3/22) to ~¥1.4T (FY3/26E) — the most successful segment trajectory in modern TDK history. Total comp ¥116M (~US$770K), 66.4% fixed / 33.6% variable (one fragment frames the FY3/26 structure as 39% fixed / 61% variable after the June 2024 PSU revision). Direct shareholding 0.007% = ~13,000 shares ≈ ¥41M (US$280K) — roughly 4x annual comp but trivial vs ¥6T cap. Tetsuji Yamanishi — Rep. Director, Senior EVP & CFO since 2018 (board since 2020). Career TDK finance executive; personally presents every quarterly briefing (the public IR face). Architect of the active-portfolio-management program (TDK-Lambda divestiture, Showa Denko HD acquisition, InvenSense integration). Shuichi Hashiyama — inside Director, CTO-track, limited English profile.
Ownership & alignment
Aggregate insider ownership 0.22% (per yfinance) — ~¥13B (~US$87M) across 11+ executives/directors — the lowest in the MLCC peer swarm by a wide margin. Context: Yageo ~24% (Pierre Chen founder-family), Holy Stone ~22% (Tang family), Walsin ~42% (Chiao family), Taiyo Yuden ~1-2%, Murata similar. TDK is the cleanest "professional managers managing a public company" structure in the swarm. Alignment is institutional, not personal — Saito wins if TDK wins but isn't betting his net worth; less effective at unlocking aggressive value creation, more effective at avoiding self-dealing. The 0.22% is almost entirely RSU+PSU vesting, not open-market conviction buying (yfinance insider-transactions table empty; Japanese EDINET doesn't surface Form-4-equivalent granularity). Institutional ownership 55.9% across 379 holders; TDK is ~55-60% foreign-owned (high for a Japanese mega-cap, reflecting the Apple-supply-chain investor base).
Top-10 shareholders (FY3/25 Securities Report)
Master Trust Bank of Japan 26.89% + Custody Bank of Japan 12.67% (the two trust-bank aggregators ≈ ~40% combined — GPIF, BlackRock, Vanguard, Nippon Life sub-positions); JP Morgan Chase 3.37%; State Street 2.56% + 2.14%; Citibank NY (ADR depositary) 1.82%; HSBC HK 1.67%; Government of Norway (NBIM) 1.60% (named sovereign long-term holder); plus more JPM/State Street custody lines. Top-10 = 55.45%. No single concentrated holder >27%, no activist, no founder family. Japanese individuals 5.65%, treasury stock 2.38%.
Compensation forensics (the gold standard)
FY3/26 structure ~28% basic + ~28% results-linked bonus (0-200% band) + ~16% RSU (3-yr service vesting) + ~28% PSU (3-yr MTP performance). PSU evaluation indicators with FY3/25 actuals vs MTP targets: Operating profit ¥668.4B 3-yr cumulative target — ¥224.2B year 1 (on track); ROIC 8.1% MTP target — 6.7% actual (BEHIND); CO2 reduction 23.3% target — 47.7% actual (CRUSHED); employee engagement 75pt+80% — 68pt+90% (mixed); relative TSR vs TOPIX 0-200% band (in progress). Dual-hurdle PSU (financial ROIC + stock TSR + ESG) is governance best-practice; the ROIC target is just barely above WACC; ROIC actual behind target means Saito's PSU payout is at genuine sub-100% risk — validates the hurdles aren't decorative. Explicit clawback and malus provision (forfeiture/recoupment on dramatic deterioration, malfeasance, or legal violation) — rare in Japan. CEO comp below the Japan mega-cap average (~US$1.54M) and far below US peers.
Governance & board
ISS QualityScore 1 (best decile) across all four pillars — Audit, Board, Shareholder Rights, Compensation. Board 7 directors, 4 outside/independent (majority-outside since 2024); outside Board Chair (Iwai) since 2012 (Chair separated from CEO since 2008); outside Compensation Committee Chair (Yamana) since 2002. Toru Katsumoto (outside director, former Sony CTO, joined June 2024) has personally inspected ~10 TDK Group factories — the most engaged outside director in the swarm. Kozue Nakayama first female director (appointed 2020). Audit & Supervisory Board: Momozuka + Ishikawa (full-time inside), Freeman + Yamamoto (outside; Douglas K. Freeman the lone non-Japanese name). Auditor KPMG AZSA LLC (Big-4), IFRS. 23-year governance-reform arc (Compensation Committee 2002 → majority-outside board 2024). No dual-class, no poison pill currently, no staggered board, no activist target.
Capital allocation (B+/A-)
M&A timing A-quality: Showa Denko HD-media (2022) bought when own stock was depressed (~15x P/E), hit the AI/cloud nearline cycle perfectly (+380% YoY segment OP) — best M&A timing of any Japanese tech component name in 5 years. InvenSense (2017, $1.3B, ~10x revenue, ~5-yr turnaround) graded B/B+ in hindsight. Divestiture timing A-quality: TDK-Lambda Americas/Europe auto divested 2025 at peak multiple (~30x P/E). Zero dilution (share count flat ~1.9B post-split-equivalent since 2008 EPCOS; no ATM, no shelf, no convertibles). Conservative dividend: ¥30 (FY3/25) → ¥32 → ¥34 (FY3/26E raised mid-year), 22% payout, 1.07% yield. Missed opportunity: no buybacks at the 2022-2024 low-P/E (15-17x) window — capital went to M&A + capex (rational) but a modest opportunistic buyback would have been better; costs the rating a notch. Sitting on ~¥270B net cash is a mild yellow flag, mitigated by the ¥300B battery capex being the alternative use.
Credibility (HIGH)
~83% follow-through (5 of 6 specific commitments hit or on-track; ROIC target the one behind glide path). Sandbagger guidance pattern — two upward FY3/26 revisions in one fiscal year (Apr 2025 ~¥2,300B/¥225B → Oct 31, 2025 ¥2,370B/¥245B/¥180B/¥32 → Feb 2, 2026 ¥2,470B/¥265B/¥190B/¥34); treat forward guidance as a floor and expect upside. Low weasel-language frequency; CFO presents and answers Q&A directly.
Red flags: none. Yellow flags
0.22% insider ownership (lowest in swarm); ROIC behind MTP target (PSU payout sub-100% risk); no buybacks at low-P/E window; Ampace JV economics with CATL under-disclosed (TDK gets 20% of Ampace profit but standalone Ampace P&L not broken out — the closest thing to a governance gap, but a public strategic JV not a related-party concern); TDK-Lambda divestiture buyer not yet disclosed (monitor for related-party flag at close). Only material litigation history is the industry-wide 2014 EU/US capacitor cartel matter (long settled, no individual prosecutions). Key-person risk low (Saito + Yamanishi both lifers). Within the MLCC swarm, TDK has the strongest governance profile and is the best-disclosed in English (89-page TDK United Report 2025 with PSU evaluation breakdown).
Catalysts & risks
Catalysts / bull case
Near-term (0-12 months): April 28, 2026 — Q4/full-year FY3/26 results + FY3/27 guidance (most important catalyst; structurally one-sided risk — even a beat is likely priced, even a modest disappointment compresses the multiple). Summer 2026 — new medium-term plan (current ends FY3/27): new ROIC target, dividend policy, battery capacity commitments. Autumn 2026 — iPhone 18 launch; Apple battery content per device confirmed. Q3 FY3/27 — first full-cycle quarter post-iPhone-17 base, YoY decel test. Medium-term (1-3 yr): Ampace medium-cell margin trajectory (first credible read 2026-2027 on whether medium-cell earns 15%+ OP); ATL silicon-anode share at Apple (does Samsung SDI take it back or does ATL extend); AI-server passive content per board for Vera Rubin successors. 2027-2028: commercial sulfide solid-state small-cell from ATL — the technology breakthrough that materially extends the lead. Bull triggers / what invalidates the bear: ATL medium-cell delivers 15%+ OP by FY3/28 (lifts ROIC to 10%+, re-rates multiple); iPhone 18 steps up silicon-anode content; AI-server passives content grows with Vera Rubin → Vera Ultra; a buyback program funded by the ~¥270B net cash; or mgmt FY3/27 guidance materially above consensus (>15% revenue growth, >12% OP margin). Secular tailwinds: AI infrastructure spend (~15-25% of revenue exposure), smartphone silicon-anode adoption (+20-40% content/phone), nearline HDD AI cycle, automotive electrification content (when BEV normalizes). Leading indicators: Murata book-to-bill, Samsung Electro-Mechanics capacitor revenue, AAPL iPhone unit guidance, WDC/Seagate nearline orders, Sumitomo Metal Mining / Sakai Chemical revenue.
Risks / bear case
Top 3: (1) Q4 FY3/26 disappointment + FY3/27 guidance miss (highest-probability, near-term, 40-50%): mgmt-guided Q4 Energy Application -18% to -15% QoQ; impact stock to ¥2,500-2,800 (-12% to -22%). (2) Apple iPhone unit weakness or share loss to Samsung SDI (structural; low FY3/27 3-9%, moderate FY3/28+ 10-20%): impact -15-25% revenue, -30-40% EPS — the dominant single-customer concentration risk (Apple ~30-40% of revenue). (3) ATL medium-cell margin disappointment (moderate, 30-40%, multi-year): medium-cell is structurally lower-margin; if it stays below 12-15% at scale the ¥300B capex bet underperforms ROIC target and the conglomerate-discount narrative hardens, re-rating back to historical ~22x P/E (-30%). Other structural risks: material cost inflation (Co/Ni/Li — Q3 already showed -18% QoQ Energy OP); BEV prolonged downturn (auto MLCC/inductors/EV power; mitigated by TDK-Lambda divest + ~¥6B FY3/26 restructuring, ¥2.7B Q2 + ~¥3B Q4); yen strength (USD/JPY fell ¥152.6 → ¥148.7 9M average, costing ~¥29B sales / ~¥9B OP; Q4 assumption revised ¥145 → ¥153); Chinese MLCC encroachment to high-end (low near-term, medium 5-year). Emerging disruptors: solid-state batteries (QuantumScape watched, pre-revenue), EVE Energy small-cell push, Apple in-house battery R&D (multi-year vertical-integration risk). What makes the thesis wrong: ROIC stays <8% through FY3/27 → MTP target missed → multiple compression; Apple cuts ATL share >20%; cycle rolls (Murata book-to-bill <0.9 sustained, WDC nearline softening). Downside scenario ¥2,000-2,200 (-30% to -37%) if cycle rolls AND ROIC stays sub-WACC AND Apple share loss begins. Dilution risk essentially none; key-person risk low.
Valuation / DCF
Recommendation: PASS at ¥3,179 (checklist ref ¥3,185). Re-engage zone ¥2,200-2,500 (-22% to -30% from spot).
Where TDK trades vs peers (May 21, 2026)
| Company | Ticker | P/E (TTM) | EV/EBITDA | P/B | FCF Yield | Div Yield |
|---|---|---|---|---|---|---|
| Murata | 6981.T | ~24x | ~10x | ~1.7x | ~5% | ~2.1% |
| Samsung E-M | 009150/009150 | 009150.KS | ~14x | ~6x | ~1.3x | ~6% |
| TDK | 6762.T | 31x | 11.3x | 2.76x | 1.9% | 1.1% |
| Taiyo Yuden | 6976/6976 | 6976.T | ~44x fwd | ~17x | ~3.5x | n/a |
| Yageo | 2327/2327 | 2327.TW | ~50x | ~20x | ~7x | n/a |
TDK is the second-most expensive after the two MLCC pure-plays (Taiyo Yuden, Yageo). Vs Murata (the highest-quality reference name), TDK trades at a ~30% P/E premium and ~13% EV/EBITDA premium despite Murata's stronger ROIC, higher OP margins, and more focused mix. The premium is being paid for the ATL battery growth story, not the MLCC business. TDK is at the top of its own 5-year range on every multiple (5-yr avg ~22x P/E, ~9x EV/EBITDA, ~1.7x P/B).
DCF framing (back-of-envelope, no formal model)
At FY3/26E ¥190B net income, 1% organic growth, 7-8% discount rate → terminal value ~¥3-3.5T equity vs current ¥6.0-6.05T market cap. The current market cap implies ~3% terminal growth and/or material margin expansion to 12-13% from current 10.7%. Both are plausible if the ATL medium-cell ramp delivers; both are at-risk if the cycle rolls. Where valuation is disconnected: ROIC of 7.4% does not support 2.76x book unless you believe ROIC is heading to 12%+ over 3-5 years, which mgmt has not telegraphed.
Analyst sentiment
Consensus Buy — 17 analysts (5 strong buy / 9 buy / 2 hold / 0 sell / 1 strong sell). Mean PT ¥2,869 (range ¥1,600-¥3,550); median ¥3,000. Stock at ¥3,179 trades +11% above mean PT, +6% above median. Consensus is bullish but trailing the rally — same pattern as Yageo (+35% above mean PT) and Taiyo Yuden (+43%). Sell-side typically catches up over 1-2 earnings cycles; the Apr 28, 2026 results are the test. Short interest below 5% of float (not a shorted name). Pacer Advisors +50.8% Q1 2026, Boston Common -16.6% (both minor sub-1% positions).
Implied expectations & price targets
At ¥3,179 the market prices TDK as if (a) the AI-server/HDD/silicon-anode cycle extends meaningfully into FY3/27+, and (b) ATL medium-cell margins approach small-cell levels. 12-month bear target ¥2,500-2,800 (-12% to -22%) on multiple compression as consensus PT becomes the gravitational pull. Bull/take-profit ¥3,800-4,200 (requires both thesis legs confirming + multiple expansion). Margin of safety is thin-to-zero at ¥3,185 and absent above ¥3,500 — would NOT buy 10-15% higher.
Decision log
2026-05-21 — PASS at ¥3,179 / ¥3,185. Conviction: Medium (deep-dive) / Medium-Low (checklist). Re-engage ¥2,200-2,500; conviction entry ¥2,000-2,200. Verdict consistent across all four fragments (profile, deep-dive, mgmt-dd, checklist). Rationale: stock trades +11% above mean analyst PT; Q3 incremental EBIT margin (7.7%) below reported (12.3%) signals operating leverage fading; Q4 ICT seasonality (mgmt guides Energy Application -18% to -15% QoQ); FY3/26E FCF compressed to ¥115B (FCF yield 1.9%); ROIC at WACC limits premium-multiple support; least pure MLCC name in the swarm.
Pre-buy checklist scorecard (2026-05-21): 4 Yes / 5 No / 1 N/A → PASS. Can state thesis (Yes); understand business (Yes); pass FundamentEdge hard rules (No — 2 of 5 fail: revenue-growth primacy [3-yr CAGR ~0.4%, cyclical not compounder] and second derivative [Q3 +16.2% was the YoY peak, rolling negative]; valuation-not-a-thesis PARTIAL; quality-can-be-a-risk PASS; estimate-revision PARTIAL); incentives aligned (Yes, partial); financials healthy (Yes); valuation reasonable (No — 31x P/E, top of 5-yr range, +11% above mean PT); behavioral trap (Yes — 3 of 6 operative: FOMO [+293% 5yr, +105% 1yr, +48% 3mo, +22% 1mo], narrative seduction, recency bias); technicals support buying now (No — +43% above 200-day MA at ¥3,185 vs ¥2,229, RSI 70.4, +31% above 50-day MA ¥2,428); sizing N/A at current price (0%); exit plan defined (Yes).
Management DD verdict (2026-05-21): Green (A-). ISS QualityScore 1 all four pillars; capital allocation B+/A-; credibility HIGH (~83% follow-through, sandbagger). Does NOT change the deep-dive PASS — cycle-top valuation and Q3 incremental-margin weakness are the binding constraints, not governance. If anything, management quality strengthens the case for re-engagement on a pullback.
Conditional buy/sizing schedule: ¥2,800-2,900 first tranche (0.5-0.75% portfolio, aggressive technical-pullback entry, RSI 40-50); ¥2,400-2,600 second tranche (0.75-1.25%, patient 50-day region); ¥2,000-2,200 full conviction (up to 2%). Hard stop -22-25% from entry; time stop if no re-rating by H2 FY3/27 and ROIC stays sub-8%. Add triggers: FY3/27 guidance >15% revenue growth / >12% OP margin; Ampace medium-cell margin guidance >12-13%; buyback announcement. Trim triggers: above ¥3,800 without fundamental upgrade; cycle deterioration (Murata book-to-bill <0.9 sustained, WDC/STX nearline softening).
Number discrepancies flagged for reconciliation: (1) net cash — deep-dive/mgmt-dd/checklist consistent at ~¥270B (Dec 2025); profile EV-line cites "~¥650B net cash" which appears to conflate cash balance with net cash (outlier). (2) Stock split — profile §4 cites a 5-for-1 Oct 2024; mgmt-dd and elsewhere cite 3-for-1 Oct 2021 + 3-for-1 Oct 2024; share count is consistently ~1.9B post-split regardless. (3) Saito comp — deep-dive estimates ¥150-250M range; mgmt-dd gives a sourced ¥116M (Simply Wall St) — use ¥116M. (4) Saito fixed/variable mix — mgmt-dd reports both 66.4%/33.6% (CEO personal) and 39%/61% (FY3/26 framework structure); both retained. (5) HDD-head/WDC+STX combined revenue share — profile ~8-10%, deep-dive ~4-5% each (consistent at the segment level).
Sources
Folded-in vault fragments (consolidated 2026-05-30): 6762-profile (corporate overview, segment breakdown, ownership, valuation snapshot), 6762-deep-dive (first-principles tech, Core Four, incremental-margin analysis, DCF framing, target price), 6762-mgmt-dd (governance forensics, PSU comp analysis, ISS QualityScore 1, top-10 shareholders), 6762-buy-checklist (FundamentEdge hard rules, technical buy check, position-sizing schedule, pre-buy scorecard). An empty 6762-filings.md stub was present in the folder and deliberately NOT merged.
Primary external sources: TDK Q3 FY March 2026 Performance Briefing PDF (Feb 2, 2026) — tdk.com/system/files/2026_3q01_j0kbjo4r_en.pdf (primary segment + guidance source); TDK United Report 2025 / Integrated Report (89 pages) — tdk.com/system/files/integrated_report_pdf_2025_01_en.pdf (remuneration, board, PSU evaluation, top-10 shareholders, governance-reform timeline); TDK IR executive lineup; yfinance (6762.T, May 21, 2026 — financials, valuation, holders, analyst PTs, technicals, insider %); Simply Wall St (CEO comp, ISS QualityScore); Bloomberg (Jan 4, 2024 — silicon-anode "will change smartphone game"); AInvest.com (Sep 2025 — TDK-Lambda automotive divestiture); Investing.com (Q3 FY2026 commentary); Mordor Intelligence, Digitimes, passive-components.eu, Fortune Business Insights / Markets and Markets (MLCC + battery TAM); AJOT.com ("Apple supplier TDK looks beyond phones").
Vault peers / methodology: 2327 Yageo, 6976 Taiyo Yuden, 3026 Holy Stone, 2492-tw-mgmt-dd Walsin (active MLCC peer swarm + governance comparison); 6981 Murata (reference category-leader, referenced not yet profiled in swarm); 4078 Sakai Chemical, 5706 Mitsui Kinzoku, 5713 Sumitomo Metal Mining, 3407 Asahi Kasei (upstream bottleneck nodes); 5201-vs-5214-vs-7741-showdown (Japanese precision-quality methodology reference); FundamentEdge methodology (KB/wiki/fundamentedge-method.md).
SemiAnalysis mirror cross-check: searched ~/Dropbox/Wafflebun/KB/wiki/semianalysis/; TDK is not a coverage name. Two passing mentions only — a stale Feb 2022 semiconductor-roundup-21-02-2022 bearish Murata/MLCC call (now ~3 years stale; AI-server recovery has reversed it) and a May 2024 nvidia-b100-b200-gb200-cogs-pricing BoM teardown naming TDK as a CCL/passives content beneficiary (unquantified). No active SA TDK thesis to contradict.
Consolidation queue (merged 2026-05-30)
These four research fragments were folded into this canonical page on 2026-05-30 (vault reorg W3). They stay live pending Pink's archive confirmation — do not delete until confirmed.
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6762-deep-dive.md - [ ]
6762-mgmt-dd.md - [ ]
6762-profile.md - [ ]
6762-buy-checklist.md
Source updates (auto-maintained)
Drop/Bottleneck (May 24, 26) - J.P. Morgan-MLCC Industry：Growing likelihood of tight supply...
J.P. Morgan (Apr 3, 2026) rates TDK Overweight, raising its price target, noting near-term share weakness from soft Chinese battery demand and cautious guidance risk but expects this offset by HDD and sensor earnings strength; JPM prefers Murata/Taiyo Yuden over TDK short-term for MLCC cycle torque, but favors TDK medium-to-long term on battery and HDD earnings growth.
Relevant to your thesis: Reinforces the bear-neutral stance — JPM's own framework confirms TDK is the weakest MLCC-cycle beneficiary of the three Japanese names short-term, while the medium-term battery/HDD recovery thesis requires patience and multiple compression first.
Source: dropfile://Bottleneck/MLCC/J.P. Morgan-MLCC Industry：Growing likelihood of tight supply demand； Murata Manufacturing and Taiyo Yuden up to Overweight-260403.pdf