Deck
Fujikura · 5803 · TSE
Fujikura is a 140-year-old Japanese wire and cable maker whose US optical-fiber subsidiary AFL has turned the group into an AI infrastructure play; one segment now drives 68% of group operating profit on 46% of revenue.
¥6,582
Price (May 8, 2026)
¥11.7T
Market cap
¥979B
Revenue FY2025
1885
Founded
Listed for decades on the TSE; spent most of the past decade in a split-adjusted ¥40–¥200 range, then ran 75× to ¥6,582 — almost all of the move came between early 2024 and May 2026 on AI fiber demand.
2 · One segment is the entire story
Telecom added ¥53B of operating profit in FY2025; the other four segments combined added ¥13B.
- The engine. AFL's optical fiber and connectivity segment grew revenue 52% to ¥451B and posted a 20.4% operating margin, up from 13.2%, as hyperscalers raced to qualify ultra-high-density cable for AI campuses. Telecom is now 46% of revenue but 68% of group operating profit.
- The conglomerate around it. Auto wire harnesses (3.3% margin), HDD and electronics components (12%), Japanese power cable (8%), and legacy Tokyo real estate are commodity-priced businesses — none earning anything close to Telecom's incremental margin.
- The question. Whether 20.4% is a forward-loaded floor — earned on the old plant footprint before Sakura Works (Feb 2025), the ¥300B US capacity tripling, and the SDM4 four-core MSA contribute — or a cycle peak that reverts as hyperscalers digest 2024–26 capex.
The same operating leverage that took FY2025 group margin from 8.7% to 13.8% printed 0.5% in FY2020 when telecom carrier capex paused. Bull and bear converge on a single segment-margin print.
3 · The financial transformation
Margins doubled, the dividend doubled, and the multiple now embeds the next two years.
¥979B
Revenue FY2025
+22% YoY
13.8%
Operating margin
0.5% in FY2020
20.9%
ROE FY2025
best of cable peers
73×
P/E TTM
+756% one-year return
Operating profit nearly doubled in one year (¥69B → ¥136B) on +22% revenue, and net income jumped from ¥51B to ¥91B — gross margin moved 21% to 27%, SG&A held, and AFL fiber did the rest. Balance sheet is a fortress (net cash ¥77B, 49% equity ratio, ¥87B FCF), capex still only 3.1% of sales. P/B is 27× on a group whose ROE was 14% pre-AI; the price is paying for FY2027 earnings power, not what the FY2025 income statement booked.
4 · The print is six days away
May 14 FY2026 results are the binary trigger both bull and bear name.
- The number to watch. Telecom segment operating margin. Bull thesis (¥9,800 PT) needs ≥17% with a credible new mid-term plan and an explicit ROIC hurdle attached to the ¥300B (~$1.9B) US capacity tripling. Bear thesis (¥3,800 PT) needs <17% or single-digit Telecom revenue growth.
- The setup is constructive but stretched. 9-month FY2026 net profit is already ¥111.9B — 75% of the full-year ¥150B guide; dividend doubled to ¥215; a 5-for-1 split landed April 1; the ¥300B capex was approved in March; Reuters and Morgan Stanley MUFG validated the thesis between October and December 2025.
- The tape says size carefully. 30-day realised volatility 86% (stressed regime), 50-day average volume halved as price tripled, and price sits 104% above the 200-day. A close above ¥6,800 is the watch level for an add; a close below the 50-day at ¥4,860 breaks the uptrend.
The ¥300B capacity tripling is either defending qualification share against Corning's Contour Flow at named hyperscalers, or capitalizing the cycle into a 2027–28 digestion year. The mid-term plan slide on May 14 settles which.
5 · Where the tape disagrees with management's own guide
Aggregate sell-side targets at ¥5,485 — 17% below spot — look like coverage lag, not analytical conviction.
- Consensus is mechanically stale. Most published targets sit on partial-year TTM income that pre-dates the FY2026 ¥150B guide raise, the doubled dividend, the 5-for-1 split, and the ¥300B capex. Forward P/E on management's own guide is in the high-40s, not 73×. A clean May 14 print plus a normal 30–60-day revision window is the mechanical path that would close most of the gap.
- The bear's FY2020 analogue is misapplied. The 0.5% margin and ¥38B loss were a five-driver shock — carrier capex pause, COVID, restructuring, impairments, and a 30% equity ratio. None of those drivers replicate today: hyperscaler customers (not carriers), 49% equity ratio (FY2025-end; 56.5% at 9M FY2026), net cash, 51% Americas mix. The right downside floor is Telecom margin 12–15% and group NI of ¥110–130B — not a reprint of FY2020.
- The 1.19B → 7B authorized-share lift is being priced as dilution risk. Japanese practice tilts toward maintaining pre-emptive headroom that mostly stays unused. With ¥185B cash, ¥87B FCF, and no announced M&A target, conditional issuance probability is plausibly under 10%. The June 2026 AGM language likely settles it.
Consensus 17% below spot after a +756% year is more consistent with stale coverage than with a deliberate fade — but the read only holds if the May 14 segment table prints clean.
6 · Bull & Bear
Lean long, wait for confirmation — let the May 14 print invite the position rather than anticipate it.
- For. Best-in-peer ROE 20.9% on the smallest revenue base in the group; Verizon WTC certification and SDM4 four-core MSA co-authorship anchor the qualification moat; net cash ¥77B; the multi-step capacity ramp (Sakura Works in Feb 2025, AFL tripling decided March 2026) is mostly ahead, not behind.
- For. Forward P/E on management's FY2026 ¥150B guide is high-40s, not the 73× trailing that quote pages print; 9M actuals already at 75% of the guide make it visibly conservative.
- Against. Specialty-fiber multiple on single-engine earnings — 4 of 5 segments earn 3–13% margins on commodity-priced cable, harness and HDD components. P/B 27× on a group whose ROE was 14% pre-AI is a Corning multiple on a Sumitomo mix.
- Against. Tripling US capacity at the cycle peak — new draw lines have 12–24 month lead times, so capacity decided today comes online in 2027–28, exactly the window most likely to face hyperscaler digestion. The 35% incremental margin that ran in FY2025 inverts on the way down.
Franchise evidence is harder to refute than the valuation case, but adding at 73× trailing after a +756% year asks the print to confirm the rally rather than letting it invite the position. The flip condition is Telecom segment margin below 14% in FY2026.
Watchlist to re-rate: Telecom segment OP margin in the May 14 print; aggregate sell-side targets in the 30–60 days that follow; hyperscaler capex prints from Microsoft, Meta, Google, Amazon, Oracle and any single 10%+ trim; Corning Contour Flow single-source design wins.