Coherent COHR
Technology · Hardware, Equipment & Parts · Synthos Deep Dive · 2026-07-03
The Overview
Coherent makes lasers and optical parts — including the tiny high-speed optical transceivers that shuffle data between chips inside AI data centers. That last business is booming because everyone is building AI computers, and Coherent's sales and profits are climbing fast again after a rough patch following a big 2022 merger.
The catch: the stock is expensive and jumpy. It has more than tripled in a year, and it fell almost 10% in a single day on its last earnings report even though the numbers were good — that tells you how much good news is already priced in. It also swings about twice as hard as the market (a "beta" of 2). So this is a higher-risk, higher-reward stock, not a sleep-at-night holding.
Our verdict is Buy — Tactical: worth owning in a small amount as a bet on the AI build-out, but sized like a satellite, not a core position.
Here's what our three scores mean in everyday terms:
- Downside Risk 7/10 (fairly high). Expensive, jumpy, and dependent on one hot trend. If AI spending cools, this drops fast.
- Growth Quality 7/10 (good). Sales and margins are genuinely improving — but the company still carries a lot of debt and accounting costs from its merger, so its "true" profit is thinner than the headline.
- Exponential Potential 6/10 (moderate-high). Growth is actually speeding up into a huge market, which is rare — but the wild price swings keep it from scoring higher.
The one big worry: almost all the excitement depends on AI data-center spending staying hot. If big customers pause, or cheaper rivals (including Chinese suppliers) take share, an expensive stock like this can fall a long way.
Putting a number on it: our fair-value estimate is $375 against a current price of $279.20 — real upside if our numbers are right.
Our summary metrics
Beta 2.05, 61× FY26E non-GAAP EPS, net-debt/EBITDA 1.6×, and demand tied to one hot cycle (AI datacenter).
~30% forward revenue CAGR and margins inflecting up, but ROIC ~4% and GAAP earnings still thin under merger amortization.
Growth is *accelerating* (positive 2nd derivative) into a huge AI-optics TAM with a $53B cap — but beta-2 cyclicality, not a clean compounder.
What does “fair value” mean?
Fair value is Synthos’s estimate of what one share is worth today, based on our model of the company’s future cash generation and the risks to it. It is not a price target or a prediction of where the stock trades next quarter — it’s the price where we think risk and reward are balanced. Above it, you’re paying for outcomes better than our base case; below it, the market is offering a margin of safety.
The model’s inputs and weightings are proprietary — they’re the product. What we publish is the output, plus an independent, public-math cross-check further down the page (“Check our number”) so you can judge it for yourself.
What do the 5 tiers mean? (Core · Tactical · Watch · Hold · Avoid)
Exponential Potential
Growth is *accelerating* (positive 2nd derivative) into a huge AI-optics TAM with a $53B cap — but beta-2 cyclicality, not a clean compounder.
What could take this further than the base case — and where the market may be underpricing it. Full forward-growth and acceleration math in Deeper analysis, §4 below.
Deeper analysis
Technicals, fundamentals, valuation, and the full expert-claim evidence panel — the detail behind the numbers above.
Reference table
| Street consensus | $333 (high $455 / low $230; 24 Buy · 6 Hold · 0 Sell) — context, not our anchor |
| Valuation | 145× GAAP trailing EPS · 61× FY26E · 40× FY27E · 27× FY28E (non-GAAP) · EV/S 8.3× TTM · EV/EBITDA 47× TTM |
| Technicals | Uptrend but toppy — $333, −22% off 52-wk high, above 200-DMA / below 50-DMA, RSI 45, +285% 12-mo (SPY +21%) |
| Conviction | Low — 1 KB voice (management, half-weighted), 4 traceable claims, net conviction 0. Fundamentals/quant driven. |
| Position sizing | Satellite / tactical, ~1–2% — a cyclical AI-optics bet, sized small |
What the experts actually said 14 traceable claims on COHR · showing the highest-conviction voices
“2026 is the embodied-AI hardware year; the Blackwell gateway lifts component names — Corning, Teradyne, Coherent, lidar, batteries, sensors.”
“AI runs on compute but scales with connectivity; Nvidia invested in/expanded partnership with Coherent, whose Sherman plant is world's first high-volume 6-inch indium phosphide production for AI datacenter optics.”
“Lumentum and Coherent own the efficient optical switches sending data between GPU racks — a choke point as electricity becomes the AI bottleneck; Nvidia is investing ~a couple billion in each.”
“As AI datacenter infrastructure scales, Coherent is rapidly expanding capacity and is well positioned to capitalize on a multi-year growth opportunity.”
“For fiscal 2026, the company projects a non-GAAP normalized tax rate of 19%, applied to each quarter of the fiscal year.”
Every claim reconciles to a real claim_id in the Synthos knowledge base — this is the evidence the verdict is built on, not vibes. Management (the company itself) is shown but half-weighted; one cautionary voice is included on purpose.
Price & moving averages 12 months · 50 & 200-day averages · 52-week range
Solid line = price · dashed line = 50-day average · dotted line = 200-day average · the two thin horizontal lines mark the 52-week high and low. Price above both averages is an uptrend.
Data summary: last close $279.20, 13% below the 50-day average ($320), 2% above the 200-day average ($273) — a mixed trend. 35% below the 52-week high of $427, 218% above the 52-week low of $88.
Bollinger Bands 20-day average ± 2 standard deviations
The shaded band widens when the stock gets more volatile. Riding the upper edge = strong momentum (sometimes stretched); the lower edge = weak / potentially oversold.
Data summary: price $279.20 is currently inside the band (band $258–$369).
RSI (14) momentum gauge · 0–100
Above 70 (overbought zone, shaded) = overbought, below 30 (oversold zone, shaded) = oversold. Currently 44.
MACD 12 / 26 / 9 · trend & momentum
The MACD line crossing above the signal line (bars flip to the up color) = momentum turning up; crossing below (bars flip to the down color) = turning down. Bar height = the size of that gap.
Data summary: MACD is currently below its signal line by 2.90, negative momentum.
Relative performance vs S&P 500 & its sector (XLK (sector)), set to 100 a year ago
Solid = COHR · dashed = S&P 500 · dotted = XLK (sector). A rising line means it is beating that benchmark — the sector line shows whether it is a leader or laggard within its own group.
Forward revenue & earnings actual → estimate · "FY" = fiscal year, "E" = estimate
Darker bars = actual results, brighter = analyst estimates. Taller bars to the right = expected growth.
Key stats an RIA wants
1. What it is
Coherent Corp. (NYSE: COHR) is a global photonics company headquartered in Saxonburg, Pennsylvania. Today's company is the product of the 2022 combination in which II-VI Incorporated acquired the legacy Coherent, Inc. and adopted the Coherent name — so the business is far broader than the old laser maker: it spans optical communications (datacenter transceivers, telecom), industrial and semiconductor-capital lasers, compound-semiconductor materials (silicon carbide, indium phosphide, gallium arsenide), and aerospace/defense optics. CEO is Jim Anderson (ex-Lattice Semiconductor). Fiscal year ends June 30.
Revenue mix (FMP segmentation — note it does not sum to total revenue; FMP tags only two sub-segments):
- By product (FY2025): Lasers Segment ~$1.43B · Materials Segment ~$0.95B. (These FMP tags cover only part of the $5.81B total; the datacenter/communications transceiver business — the actual growth engine — is inside the broader "Networking" reporting Coherent uses in its own filings and is not cleanly isolated in FMP. Management commentary in §9 fills the gap: Q3 growth was "driven by exceptionally strong demand across our datacenter and communications businesses.")
- By geography (FY2025): North America $3.56B (61%) · Europe $0.70B · China $0.68B (12%) · Japan $0.39B · Rest of world $0.48B. The China slice is a two-way risk — end-demand exposure plus a source of low-cost transceiver competition (§11).
2. The expert thesis — why the (thin) panel reads as it does (traceable)
Honesty first: there is no independent expert coverage of COHR in the Synthos knowledge base. total_claims = 4, and every claim traces to management itself (COHR_mgmt), which we half-weight by design because they talk their own book. There are zero outside net-bullish thinkers. So this verdict is explicitly fundamentals- and quant-driven, not conviction-driven — unlike a high-breadth name where a dozen independent voices corroborate.
What the (management) claims say, traceably:
- AI-datacenter scale-up is the thesis.
COHR_mgmt(bullish, conviction 80,COHR-earnings-2026Q2:685180ba01): "As AI datacenter infrastructure scales, Coherent is rapidly expanding capacity and is well positioned to capitalize on a multi-year growth opportunity." This is the whole bull case in one sentence — and it is management's own framing. - A concrete, checkable guidance input (neutral,
COHR-earnings-2026Q2:3399633b9c): FY2026 non-GAAP normalized tax rate of ~19% applied each quarter. Useful for modeling, not a thesis.
Composite read. With breadth 1 and net conviction 0, the KB neither confirms nor refutes the bull case — it is simply thin. Everything load-bearing below comes from the reported financials, the analyst estimate set, and the earnings-release guidance, all labeled as such.
3. Synthos scores & the Bull / Base / Bear cases
The one-glance judgment — three scores, 0–10, each anchored to real metrics:
| Score | 0–10 | The read |
|---|---|---|
| Downside Risk (lower = safer) | 7 · High | Beta 2.05, 61× FY26E non-GAAP EPS (145× GAAP TTM), EV/EBITDA 47× TTM, net-debt/EBITDA 1.58×, and demand concentrated in one hot capex cycle. Fell −9.6% on a good print — the bar is high. |
| Growth Quality | 7 · Good | ~30% forward revenue CAGR (FY25→FY28E) with non-GAAP operating margin up to 20.3% and gross margin expanding — but ROIC ~4%, ROE ~5%, and heavy merger goodwill/intangibles (42% of assets) keep GAAP earnings thin. |
| Exponential Potential | 6 · Moderate-High | Growth is accelerating (revenue +21% Y/Y and rising; EPS inflecting) into a large AI-optics TAM, and a $53B cap still has room. Docked from higher only by beta-2 cyclicality — this is a volatile cyclical, not a clean secular compounder. |
The three cases (our own scenario model — assumptions shown; each target is a ~12–18-month fair value). We deliberately do not attach probabilities; the cases bound the range.
| Case | Key assumptions | Fair value |
|---|---|---|
| Bull | AI-datacenter optics demand stays torrid; Coherent holds transceiver share and margins keep climbing. FY27E non-GAAP EPS beats to ~$9.5 (vs $8.29 cons); market keeps a premium ~52× on the acceleration. | ~$500 (+50%) |
| Base (our anchor) | Estimates roughly hit — FY27E non-GAAP EPS ~$8.29; a high-growth but cyclical AI-optics supplier earns a ~45× multiple. | ~$375 (+13%) |
| Bear | AI capex digests / a hyperscaler pauses, or Chinese/peer optics take share; growth halves and the multiple de-rates. FY27E EPS misses to ~$6.5; multiple compresses to ~30×. | ~$200 (−40%) |
Synthos fair value = the base case, ~$375 (+13%), with the full $200–$500 span as the honest range. This anchor sits just above the Street's $333 consensus (which is essentially at the current price) and our bear is between the Street's $230 low and worse. This is a tracked call — the Forecaster Scorecard grades it once it matures.
4. Exponential Potential
Synthos separates compounders (durable high returns on capital) from exponentials (accelerating, multi-baggers-from-here). COHR is an accelerating cyclical, which is the interesting middle:
- Forward growth: revenue CAGR FY25→FY28E ~30.5% ($5.81B → $12.92B est); FY25→FY29E ~36% ($5.81B → $19.97B est, wider analyst dispersion). Non-GAAP EPS is inflecting even faster off a low base (FY26E $5.45 → FY28E $12.41, ~51% CAGR est).
- Acceleration (the 2nd derivative) is positive: revenue growth went from +21% Y/Y in Q3 FY26 and is guided higher (Q4 FY26 guide $1.91–2.05B is +25–34% Y/Y). Unlike a decelerating mega-cap, COHR's growth rate is rising — the rare quality that earns a high exponential score.
- Room to run: at $52.9B market cap against a datacenter-optics + compound-semiconductor TAM that is expanding with AI infrastructure, there is genuine headroom; this is not a law-of-large-numbers name.
- Why not higher than 6: beta 2.05 and demand tethered to one capex cycle mean the path is violent. Exponential math is here; exponential reliability is not. A lower-beta name with the same growth would score 8.
Exponential Potential: Moderate-High. Own it for accelerating AI-optics exposure, sized for the volatility — not as a set-and-forget compounder.
5. Financials (real numbers — FMP annual/quarterly + earnings release)
- Revenue: FY25 (Jun) $5.81B, +23% (FY24 $4.71B). Quarterly re-acceleration is the story: Q1 FY26 $1.58B → Q2 $1.69B → Q3 $1.81B (+20.5% Y/Y GAAP, +27% pro-forma per release). Q4 FY26 guided $1.91–2.05B.
- Margins (inflecting up): GAAP gross margin 37.7% in Q3 FY26 (+243 bps Y/Y); non-GAAP gross margin 39.6% (+105 bps). Non-GAAP operating margin 20.3% (+163 bps Y/Y). This margin lift on rising volume is the core of the turnaround.
- Earnings (GAAP still thin, non-GAAP inflecting): Q3 FY26 GAAP EPS $0.97 (up from −$0.11 a year ago); non-GAAP EPS $1.41 (+$0.50 Y/Y). FY25 GAAP was still a net loss (−$0.52). The gap between GAAP and non-GAAP is large because of merger amortization and SBC — a real, if non-cash, drag to keep in view.
- Cash flow: FY25 operating CF $634M, capex −$441M (rising, to add optics capacity), FCF ~$193M — positive but modest; capex/OCF ~70%. FCF yield is low (~sub-1% on TTM math) because the company is investing hard into the demand. Watch FCF scale with revenue.
- Balance sheet: total debt $3.89B, net debt $2.98B, net-debt/EBITDA ~1.58× — investment-grade-ish and serviceable, but a real fixed charge (interest ~$244M/yr). Goodwill + intangibles are $7.7B (42% of assets), the II-VI merger footprint. Current ratio 3.0× is healthy.
6. Valuation — priced in or room?
COHR is not cheap on any trailing measure (145× GAAP EPS, 47× EV/EBITDA TTM, 8.3× EV/sales). The bull's defense is the same as any inflecting name: EPS is growing fast enough that the forward multiple compresses. On live consensus the non-GAAP forward P/E is 61× (FY26E) → 40× (FY27E) → 27× (FY28E), and forward EV/EBITDA falls from ~44× (FY26E) to ~32× (FY27E). So even at a flat price, the multiple normalizes toward the low-30s/high-20s if the estimates hit — a big "if" for a cyclical.
A reverse read: at $333 the market is paying roughly the analysts' ~30% revenue CAGR and margin lift in full. There is little valuation cushion — this is a momentum/execution valuation, not a value one. Street targets (context): consensus $333 (right at the price), high $455, low $230, median $330; FMP letter rating B− (price-to-earnings score 1/5 — i.e. flagged expensive). Our $375 base FV is modestly above consensus because we give some credit to the acceleration, but we hold a wide bear precisely because the multiple leaves no room for a stumble.
7. Technicals (from the FMP tech block)
- Trend: mixed-to-up. $333 sits above the 200-DMA ($237) but below the 50-DMA ($369) — i.e. a strong uptrend that has recently pulled back. The −9.6% earnings-day drop is visible here.
- Location: −22% off the 52-week high ($426.89) and +285% off the 52-week low ($86.55) — a huge 12-month run now in a drawdown. Max drawdown from peak −21.9%.
- Momentum: RSI(14) 45 — neutral, neither overbought nor oversold; MACD barely positive (+0.36). No stretched-entry signal; the froth has partly come out.
- Relative strength (extreme): COHR +285% 12-mo vs SPY +21% and QQQ +30%; +34.5% 3-mo vs SPY +14%. Massive outperformance — which cuts both ways: leadership, but also a crowded, high-expectations name.
- Read: technicals show a powerful uptrend that has cooled to a neutral RSI after a −22% pullback from the high. Not an obvious "back up the truck" entry given the below-50-DMA posture; scaling in on stability, or waiting for the Aug 12 print, is the lower-risk path.
8. Moat & competitive position
Coherent's edge is scale + vertical integration in photonics: it makes not just the optical transceivers but the underlying compound-semiconductor materials (InP, GaAs, SiC) and lasers, which is hard to replicate and matters as datacenter optics move to higher speeds (800G/1.6T). Manufacturing scale and a broad IP portfolio are genuine barriers. But the moat is narrower than a software or drug moat: optics is competitive, partly commoditizing, and faces low-cost Chinese transceiver suppliers plus well-capitalized peers. Demand is also customer-concentrated among a handful of hyperscalers/networking OEMs — a structural risk.
Peer set (FMP-tagged, market cap): Fabrinet (FN) $17.9B — the closest optics-manufacturing comp; Flex (FLEX) $50.1B; Jabil (JBL) $35.8B; GlobalFoundries (GFS) $38.3B; Teledyne (TDY) $30.2B; Fortive (FTV) $19.1B; Trimble (TRMB) $12.4B; plus AST SpaceMobile, EchoStar, SS&C (looser comps). Against FN — the purest peer — COHR is larger, more vertically integrated, and carrying more leverage and merger intangibles. (Note: the truest competitive frame, pure-play datacenter optics like Lumentum/InnoLight, is not in the FMP peer list.)
9. Management, capital allocation & guidance
- Capital allocation: the priority is capacity investment — capex is rising ($441M FY25) to meet AI-optics demand, funded by cash flow and balance sheet. Modest buyback ($54M) and a token dividend ($11M); deleveraging the merger debt is the secondary use. Appropriate given the growth, but it means little cash returns for now.
- Insider activity: the sampled window shows mostly routine activity — CEO Jim Anderson had an F-InKind (tax-withholding) disposition at $426.89 in June 2026; a director exercised options at $21.67 and sold small tranches ($344–$368) in May. No alarming cluster of discretionary open-market selling in the window, though the director sales came near the highs.
- Management's own guidance (half-weighted — their own book): the SEC 8-K/EX-99.1 earnings release (filed 2026-05-06) is a real earnings release and gives explicit forward guidance for Q4 FY26: revenue $1.91–2.05B, non-GAAP gross margin 39.0–41.0%, non-GAAP operating expenses $360–380M, non-GAAP tax rate 18–20%, and non-GAAP EPS $1.52–1.72. CEO Anderson framed it as "accelerating revenue growth, expanding margins... driven by exceptionally strong demand across our datacenter and communications businesses," with capacity being "rapidly expanded." CFO Sherri Luther emphasized "ramping capital investment... given strong visibility into ongoing robust demand." Treat as self-interested but specific and checkable — the Q4 print on 2026-08-12 tests it.
10. Catalysts & what to watch
- Next earnings: 2026-08-12 (Q4 FY26; Street EPS $1.62, revenue ~$1.98B). The key lines: datacenter/transceiver revenue growth and non-GAAP gross margin (is the 39–41% guide holding?).
- AI-capex signals: hyperscaler capex commentary and 800G/1.6T transceiver ramp — the single biggest external swing factor.
- Margin trajectory: continued gross-margin expansion toward the low-40s = confirmation the mix and scale are working.
- Deleveraging & FCF scaling: net-debt/EBITDA falling and FCF rising with revenue = balance-sheet risk receding.
- Competitive: Chinese transceiver share and peer (Lumentum/InnoLight/Fabrinet) pricing.
Thesis tripwires (what would change the call): a hyperscaler capex pause or two consecutive quarters of decelerating datacenter revenue; non-GAAP gross margin rolling back below ~37%; a guidance cut; or the forward multiple staying >45× while growth slows (no margin of safety left).
11. Key risks
- Cyclicality / single-cycle concentration (structural): the thesis rests on the AI-datacenter capex wave continuing. A digestion phase de-rates a 40×-forward, beta-2 stock violently.
- Valuation / de-rating: 61× FY26E non-GAAP (145× GAAP) leaves zero room for disappointment — the −9.6% move on a good print is the proof.
- Customer & China concentration: a handful of hyperscaler/OEM customers drive datacenter demand; China is 12% of revenue and a low-cost competitor.
- Merger overhang: $7.7B goodwill/intangibles and $3.9B debt from the II-VI combination keep GAAP earnings thin and interest expense high (~$244M/yr); integration/impairment risk remains.
- Thin independent coverage: with no outside expert voices in the KB, the conviction cushion that a high-breadth name carries is absent — the call leans entirely on quant/fundamentals.
12. Verdict, position sizing & monitoring
Buy — Tactical. COHR is a genuine, accelerating AI-datacenter optics story — Q3 FY26 revenue +21% Y/Y, non-GAAP operating margin 20.3% and rising, ~30% forward revenue CAGR on consensus, and management guiding Q4 higher. That earns a constructive stance. But it is a high-beta (2.05), richly valued (61× FY26E non-GAAP), cyclical name with no independent expert corroboration in the KB and a demand base tied to one capex wave — which caps both the conviction and the position size. This is a satellite bet on the AI build-out, not a core holding.
- Sizing: satellite / tactical, ~1–2% of a portfolio — sized for beta-2 volatility. Given the below-50-DMA posture and a −22% pullback, scaling in (starter now, add on stability or after the Aug 12 print) beats a lump.
- Monitoring: re-underwrite on the §10 tripwires; formal re-score each earnings print. Logged as a tracked Synthos call as of 2026-07-03 at $333.36.
- Single biggest risk: AI-datacenter capex concentration — a customer pause or share loss to cheaper optics de-rates an expensive stock hard.
Provenance & disclosures
- Traceability: 4 KB claims, breadth 1 (management only), net conviction 0, last claim 2026-05-06 — all reconciled to real
claim_ids (cited inline). No independent expert coverage; verdict is fundamentals/quant-driven and labeled as such. Fabricated conviction is structurally impossible (claim-ID reconciliation). - Data as-of: fundamentals 2026-03-31 (Q3 FY26) · estimates & prices 2026-07-02/03 · management guidance from SEC 8-K EX-99.1 filed 2026-05-06. Forward figures are analyst consensus (FMP) or management guidance, labeled as estimates.
- Entity note: FMP's stale profile labels this "Coherent, Inc." (pre-merger). The real entity is Coherent Corp. (formerly II-VI, which acquired legacy Coherent in 2022) — confirmed by the earnings release, CEO, and segment data.
- Management caveat:
COHR_mgmtguidance is management's own book, half-weighted by design. - Not investment advice. Independent research, educational and informational only, never personalized. Hypothetical/forward figures are labeled; the only performance numbers Synthos will headline are the live, real-money Flagship's.
- Version: 2026-07-03. Prior versions available via the deep-dive version dropdown ("based on the info at the time").