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Coherent, Inc. (COHR)FY2026 investor yearly review
Across FY2026’s four calls, management consistently framed growth as demand outpacing supply, with accelerating sequential revenue and improving profitability. Execution centered on scaling internal indium phosphide output, improving yields and gross margin, while adding new revenue streams like OCS, CPO, and multi-rail. Toward year-end, bookings extended out to calendar 2028 and management guided further acceleration into FY2027.
Overall investor read
Strong execution on supply ramp, cash pressured
Management’s narrative stayed demand-positive and margin-improving, but FY free cash flow and operating cash flow remained sharply negative.
Primary financial signal
Margin expansion with operating leverage, FCF still negative
Gross margin and operating margin expanded over the year, yet free cash flow remained deeply negative versus revenue.
Primary call signal
Six-inch indium phosphide unlocked sequential acceleration
Management repeatedly tied revenue and gross margin acceleration to improving six-inch output, including first transceivers from six-inch components.
Selected FY2026 metrics that summarize profitability, cash flow, and balance-sheet posture.
Revenue
FY revenue declined sharply YoY, despite strong quarter-by-quarter momentum.
Gross margin
Gross margin held at healthy levels as management drove cost and pricing actions.
Operating margin
Operating margin remained positive as management emphasized operating leverage and discipline.
Net income
Net income swung sharply higher versus the prior year baseline.
Diluted EPS
EPS growth remained positive YoY as revenue and margin improved together.
Free cash flow
Free cash flow was deeply negative, diverging from the margin and EPS progress.
Operating cash flow
Operating cash flow fell sharply YoY, despite strong balance-sheet messaging.
FY2026’s story evolved from early demand-and-supply emphasis to year-end visibility built on six-inch scaling, margin programs, and emerging integrated optics revenue streams.
Manufacturing execution
Management started Q1 highlighting indium phosphide constraints and the plan to expand six-inch capacity in parallel sites. Through Q2 and Q3, they emphasized execution metrics like yields and wafer starts, and reported first six-inch-based transceiver shipments. By Q4, the ramp was positioned as a core driver for data center growth and continued gross margin improvement.
Quarter-by-quarter materiality and tone for annual transcript themes.
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| Theme | Q1 | Q2 | Q3 | Q4 | Next monitor |
|---|---|---|---|---|---|
| Six-inch indium phosphide ramp driving growth and margin | Positive 6-inch ramp milestones and supply expansion guided Q1 optimism | Positive |
Management improved supply execution and gross margin expansion while building multi-product platforms; the year also showed persistent cash-flow pressure despite higher profitability.
Management reported initial six-inch yields exceeding 3-inch, expansion at multiple sites, and first transceivers using six-inch components. By Q3/Q4, they indicated the doubling milestone arrived early or stayed ahead of plan.
Across Q1–Q4, management linked gross margin progress to pricing optimization and cost reductions, including product input costs and yield improvements. They also reiterated pricing remained “healthy” under strong demand.
The year moved from supply-constrained strong demand (Q1) to accelerating booked visibility and capacity ramps (Q2–Q3), then to year-end confidence anchored on six-inch scaling and multiple platform revenue streams (Q4).
Cost, yields, pricing, and operating efficiency
Q1 framed AI data center demand as strong but supply constrained by indium phosphide, while margin progress and portfolio streamlining helped. Q2 amplified demand visibility and capacity execution. Q3 showed acceleration as six-inch ramp translated into shipments and gross margin benefits, with OCS/CPO/multi-rail layering. Q4 closed the loop with record visibility, six-inch milestones ahead of plan, and FY2027 momentum supported by new platforms.
Management highlighted record bookings and sequential revenue growth, while acknowledging data center growth was constrained by indium phosphide laser supply. They also began detailing six-inch indium phosphide yield milestones and described pricing optimization and cost reductions supporting gross margin expansion.
Read earnings transcriptCEO and CFO emphasized exceptional demand and visibility, including a book-to-bill ratio exceeding 4x and bookings extending into calendar 2027. They tied execution to six-inch indium phosphide ramp progress and expanding assembly capacity, while advancing OCS and CPO engagements.
These items reflect recurring investor debates and management’s most repeated drivers for forward estimates and risk.
Management positions indium phosphide capacity as the main monetization bottleneck for transceivers and CPO ingredients.
Track six-inch output milestones, yields, and management’s constraint language in each earnings call.
Long-lead bookings and LTAs underpin capacity planning and platform ramp assumptions used for revenue estimates.
Monitor commentary on order coverage into calendar 2028 and LTA extensions into the decade.
Demand visibility
In Q1, management described record bookings leading out into the future and strong customer forecast visibility. Q2 added a book-to-bill milestone and discussed orders filling calendar 2026 and accelerating into calendar 2027. By Q3 and Q4, management tied sustained demand to backlog reaching record levels and customer orders extending into calendar 2028 and LTAs into the decade.
New revenue streams
Across the year, management consistently treated OCS, CPO, and multi-rail as layered growth vectors beyond pluggable transceivers. Q2 and Q3 highlighted increasing customer engagements and expected revenue timing. By Q4, management framed these as expected contributors through FY2027 and pointed to specific near-term ramp timing like CPO contributions in FYQ2 and multi-rail revenue in calendar 2027.
Margin quality
Management’s margin narrative began with pricing optimization and cost reductions targeting a 42% gross margin model. Q2 and Q3 reinforced that gross margin expansion came from product input costs, manufacturing efficiency, yield improvements tied to six-inch, and continued pricing actions. By Q4, management emphasized that further gross margin progress depends on ongoing pricing optimization and the remaining bulk of six-inch ramp plus new product ramps.
Wafer starts and parallel-site execution targeted capacity doubling
Positive First shipments from six-inch components lifted revenue and margin |
Positive Ramp stayed ahead of plan, reinforcing FY27 growth momentum |
| Track six-inch capacity milestones, yields, and whether indium phosphide remains the primary constraint. |
| Demand visibility strengthened via record bookings into 2028 | Positive Record bookings and long-lead orders improved planning visibility | Positive Book-to-bill over 4x and bookings filled into 2027 | Positive Backlog hit record levels with orders reaching calendar 2028 | Positive Visibility remained exceptional; LTAs extended through the decade | Monitor commentary on order coverage into calendar 2028 and continued LTA structure/pricing visibility. |
| OCS, CPO, and multi-rail moved from engagement to revenue ramps | Positive OCS shipped to multiple customers; CPO sampling started | Positive CPO order win and OCS backlog growth supported outlook | Positive OCS ramped and CPO revenue timing clarified for 2026–2027 | Positive FY27 ramp expectations expanded across PhotonLink, OCS, multi-rail | Watch whether management’s stated CPO/multi-rail revenue timing tracks into shipped volumes and backlog conversion. |
| Gross margin programs relied on pricing, input costs, and yields | Positive Pricing optimization and yields supported margin expansion in Q1 | Positive Input cost reductions and pricing optimization drove higher gross margin | Positive 6-inch yields and pricing benefits continued lifting gross margin | Positive Management framed gross margin path as early and still building | Monitor pricing optimization commentary, cost reductions, and how much remaining six-inch and new ramps contribute. |
| Capacity expansion became a recurring response to supply bottlenecks | Mixed Demand strong, but indium phosphide supply constrained some growth | Positive Internal indium phosphide and assembly capacity expansions accelerated | Positive Bottlenecks eased and production ramp translated into faster growth | Positive Constraint centered on indium phosphide; assembly looked less limiting | Track management’s constraint framing—whether indium phosphide remains primary and assembly/test capacity stays sufficient. |
| Operating expense leverage and portfolio streamlining supported profitability | Positive SG&A efficiency focus plus portfolio sales supported profitability | Positive ERP consolidation progress and SG&A leverage targeted operating efficiency | Positive SG&A as a percent declined while R&D scaled for roadmap | Positive SG&A fell as percent of revenue; operating leverage emphasized | Monitor SG&A efficiency progress, ERP consolidation benefits, and how R&D scaling affects OpEx mix. |
OCS and CPO were described with clearer progression—engagements, backlog growth, and revenue timing windows—then multi-rail and integrated optics were reinforced near year-end. Management framed these as incremental growth vectors.
CFO commentary highlighted efficiency initiatives and SG&A as a percent of revenue falling over time, supported by ERP consolidation progress and low-cost regional shared services within G&A.
While management emphasized expanding revenue, margins, and operating leverage throughout the year, FY free cash flow in the structured data remained deeply negative, creating a durability question for capital efficiency.
Management repeatedly framed demand as exceeding supply and pointed to indium phosphide capacity as the main constraint, even as it improved sequentially. This implies ongoing execution dependency for growth realization.
Management acknowledged sequential growth rates can fluctuate quarter-to-quarter, including during transitions such as 400-gig to 800-gig ramp phases. That can complicate near-term forecasting even with strong overall demand.
The calls noted industrial was flat to down sequentially in places, with improvement expectations tied to semi-cap orders. Management stressed it was too early for a broad-based industrial recovery call.
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| Quarter | Revenue | YoY revenue growth | Diluted EPS | Gross margin | Investor read |
|---|---|---|---|---|---|
| Q1Sep-25 | $1.58B | 3.4% | $1.19 | 36.6% | Supply ramp progress and record bookings supported confident growth expectations, with gross margin improving and industrial sounding cautiously stable. |
| Q2Dec-25 | $1.69B | 6.6% | $0.76 | 37.0% | Gross margin improvement tied to input costs, efficiency, yield and pricing; guidance reinforced accelerating sequential growth into March and June. |
| Q3Mar-26 | $1.81B | 7.1% | $0.97 | 37.7% | They positioned the June quarter as a revenue inflection, with new growth vectors (OCS, CPO, multi-rail) layering on top of transceivers. |
| Q4Jun-26 | $2.05B | 13.3% | $1.2 | 0.0% | Gross margin improvement continued to be expected as remaining six-inch ramp and new product launches feed cost and pricing initiatives into early FY27. |
Management reported accelerating growth and expanding margins with a record backlog and orders extending into calendar 2028. They noted first transceivers containing components produced on six-inch lines and described an OCS bottleneck resolution that improved production ramp.
Read earnings transcriptManagement described FY26 as outstanding, with Q4 growth accelerating sequentially and customer orders extending further out. They framed six-inch output as an important driver for revenue and margin, while expecting additional platform revenue streams like CPO, OCS, PhotonLink, and multi-rail to ramp into FY27.
Read earnings transcriptOCS, CPO, multi-rail, and PhotonLink are portrayed as incremental growth vectors with specific ramp windows.
Check whether management’s expected CPO and multi-rail timing converts into shipped revenue and backlog conversion.
Management repeatedly links margin expansion to pricing optimization, cost reductions, and six-inch ramp—key to sustaining EPS growth.
Watch pricing optimization commentary and how much remaining six-inch/new product ramps contribute to gross margin.
Despite strong profitability narrative, FY free cash flow remained deeply negative, which can pressure capital allocation confidence.
Monitor operating cash flow and free cash flow trend alongside capex pace and working capital commentary.
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