COHR
Coherent, Inc.
COHR offers stronger valuation, but that advantage does not outweigh its weaker overall profile.
STX
Seagate Technology Holdings plc
STX has the edge over COHR overall, supported by stronger fundamentals and stronger modeled upside.
COHR Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Weak | |
| Healthy |
COHR's revenue, profitability and balance sheet are currently healthy, but its cash flow is weak.
STX Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
STX's revenue, profitability, cash flow and balance sheet are all currently strong.
COHR PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 20x | $232 | — |
| Cheap | 27x | $130 | -44% |
| Fair | 34x | $165 | -29% |
| Current | 48x | $232 | — |
| Expensive | 184x | $886 | +282% |
Historical ranges are pointers, not guarantees.
COHR has the edge over STX in the historical PE scenario, which offers more potential upside but is not a forecast.
STX PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 9.9x | $188 | -65% |
| Forward | 12x | $545 | — |
| Fair | 17x | $318 | -42% |
| Current | 29x | $545 | — |
| Expensive | 43x | $823 | +51% |
Historical ranges are pointers, not guarantees.
STX's PE is in its expensive range at 29x. If earnings grow as analysts expect, today's price would be 12x next year's earnings, in its cheap range.
COHR Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for COHR, with profitability improving.
STX Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for STX, with profitability improving.
COHR Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $11.69 | +142% |
| Q3 2026 | $4.83 | +580% |
| Q2 2026 | $4.12 | +$4.64 |
| Q1 2026 | $2.11 | +$2.34 |
| Q4 2025 | $1.03 | +$1.44 |
| Q3 2025 | $0.71 | +$1.94 |
| Q2 2025 | -$0.52 | +$1.32 |
| Q1 2025 | -$0.23 | +$2.64 |
| Q4 2024 | -$0.41 | +$2.41 |
COHR's earnings per share have climbed steadily: $4.83 over the past year, about seven times what it earned the year before, and higher year over year for 10 quarters in a row.
STX Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $46.99 | +147% |
| Q3 2026 | $19.06 | +145% |
| Q2 2026 | $13.90 | +105% |
| Q1 2026 | $10.54 | +51% |
| Q4 2025 | $8.84 | +60% |
| Q3 2025 | $7.79 | +101% |
| Q2 2025 | $6.77 | +328% |
| Q1 2025 | $6.96 | +$8.26 |
| Q4 2024 | $5.51 | +$9.02 |
STX's earnings per share have climbed steadily: $19.06 over the past year, up 145% from the year before, and higher year over year for 10 quarters in a row.
COHR Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $2.4B | +50% |
| Q2 2026 | $2B | +34% |
| Q1 2026 | $1.8B | +21% |
| Q4 2025 | $1.7B | +17% |
| Q3 2025 | $1.6B | +17% |
| Q2 2025 | $1.5B | +16% |
| Q1 2025 | $1.5B | +24% |
| Q4 2024 | $1.4B | +27% |
COHR's revenue has grown year over year for 10 quarters in a row: $2.4B last quarter, up 50% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 15% | +1.4 points |
| Q2 2026 | 14% | +18 points |
| Q1 2026 | 10% | +9.6 points |
| Q4 2025 | 10% | +1 points |
| Q3 2025 | 14% | +12 points |
| Q2 2025 | -4.2% | -9 points |
| Q1 2025 | 0.7% | -1.2 points |
| Q4 2024 | 8.9% | +6.1 points |
COHR's operating margin was 15% last quarter, up 1.4 points from the same quarter a year ago, near the top of its range since 2019.
STX Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $4.2B | +61% |
| Q2 2026 | $3.6B | +48% |
| Q1 2026 | $3.1B | +44% |
| Q4 2025 | $2.8B | +22% |
| Q3 2025 | $2.6B | +21% |
| Q2 2025 | $2.4B | +30% |
| Q1 2025 | $2.2B | +31% |
| Q4 2024 | $2.3B | +50% |
STX has the edge over COHR on sales, with stronger typical year-over-year growth.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 49% | +22 points |
| Q2 2026 | 43% | +20 points |
| Q1 2026 | 32% | +12 points |
| Q4 2025 | 30% | +8.9 points |
| Q3 2025 | 26% | +7.8 points |
| Q2 2025 | 23% | +6.6 points |
| Q1 2025 | 20% | +11 points |
| Q4 2024 | 21% | +13 points |
STX has the edge over COHR on profitability, with a higher operating margin.
COHR Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$868.2M | -$810.2M |
| Q2 2026 | -$486.2M | -$485.2M |
| Q1 2026 | -$383.5M | -850% |
| Q4 2025 | -$95.7M | -217% |
| Q3 2025 | -$58M | -195% |
| Q2 2025 | -$1.1M | -102% |
| Q1 2025 | $51.1M | +111% |
| Q4 2024 | $81.7M | +$106M |
COHR's free cash flow has turned negative after years in the green: −$1.8B over the past year.
STX Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $1.5B | +246% |
| Q2 2026 | $1.1B | +163% |
| Q1 2026 | $953M | +341% |
| Q4 2025 | $607M | +305% |
| Q3 2025 | $427M | +1481% |
| Q2 2025 | $425M | +12% |
| Q1 2025 | $216M | +69% |
| Q4 2024 | $150M | +52% |
STX has the edge over COHR on cash generation, producing positive trailing cash flow while its opponent burns cash.
COHR Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +3.4% | +6.6M shares |
| 1 year | +5.9% | +11.3M shares |
| 3 years | +34% | +51.7M shares |
| 5 years | +74% | +86.2M shares |
| Available history | +122% | +111M shares |
COHR has 202M diluted shares, up 5.9% from a year ago.
| Quarter | Spent |
|---|---|
| Q2 2021 | — |
| Q1 2021 | — |
| Q2 2020 | — |
| Q1 2020 | $1,000 |
STX Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.3% | +3M shares |
| 1 year | +2.7% | +6M shares |
| 3 years | +12% | +24M shares |
| 5 years | +0.4% | +1M shares |
| Available history | -12% | -33M shares |
STX has the edge over COHR on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $400M |
| Q2 2026 | $117M |
| Q1 2026 | $30M |
| Q4 2025 | — |
| Q3 2025 | $29M |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
STX spent $547M buying back its own shares over the past year.
COHR Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 1.7x | Healthy |
| Q2 2026 | 1.5x | Healthy |
| Q1 2026 | 1.7x | Healthy |
| Q4 2025 | 3.5x | Elevated |
| Q3 2025 | 4.1x | High |
| Q2 2025 | 8.1x | High |
| Q1 2025 | 5.1x | High |
| Q4 2024 | 4.6x | High |
COHR's net debt is about 1.7 years of its operating earnings (EBITDA), down from 4.1 years a year ago.
STX Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 0.2x | Very low |
| Q2 2026 | 0.4x | Very low |
| Q1 2026 | 0.8x | Very low |
| Q4 2025 | 1.2x | Healthy |
| Q3 2025 | 1.6x | Healthy |
| Q2 2025 | 1.9x | Healthy |
| Q1 2025 | 2.3x | Moderate |
| Q4 2024 | 2.8x | Moderate |
STX has the edge over COHR on leverage, with a lower net debt burden relative to earnings.
COHR Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 43.6 | Neutral |
| Stochastic | 16.5 | Oversold |
COHR's weekly RSI is 44 (neutral) and its Stochastic is 16 (oversold).
STX Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 40.5 | Neutral |
| Stochastic | 8.3 | Oversold |
STX's weekly RSI is 40 (neutral) and its Stochastic is 8 (oversold).
COHR PE vs Technology Sector
| Metric | COHR | Sector median | Relative |
|---|---|---|---|
| PE | 48x | 28x | 72% above |
| PE % | 58 | 35 | 23 pts above |
COHR is trading at 48x earnings, a 72% premium to the Technology sector's median of 28x.
STX PE vs Technology Sector
| Metric | STX | Sector median | Relative |
|---|---|---|---|
| PE | 29x | 28x | 2.7% above |
| PE % | 75 | 35 | 40 pts above |
STX has the edge over COHR on valuation relative to its sector.
COHR Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $252.9 | 8.2% below |
| 20 week MA | $284.1 | 18% below |
| 50 week MA | $277.7 | 16% below |
| 100 week MA | $185.9 | 25% above |
| 200 week MA | $120.6 | 92% above |
COHR has pulled back, but its long-term trend is still up: it's below its 8-, 20- and 50-week averages, but 92% above its 200-week average.
STX Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $683.6 | 20% below |
| 20 week MA | $785.0 | 31% below |
| 50 week MA | $630.7 | 14% below |
| 100 week MA | $387.3 | 41% above |
| 200 week MA | $234.4 | 133% above |
STX has pulled back, but its long-term trend is still up: it's below its 8-, 20- and 50-week averages, but 133% above its 200-week average.
COHR Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $33.5 | $77.8 | +132% |
| 2021 | $77.8 | $68.0 | -13% |
| 2022 | $68.0 | $33.1 | -51% |
| 2023 | $33.1 | $43.5 | +32% |
| 2024 | $43.5 | $97.0 | +123% |
| 2025 | $97.0 | $191.7 | +98% |
| 2026 YTD | $191.7 | $232.1 | +21% |
COHR's yearly returns have swung widely, from +132% in 2020 to −51% in 2022. It's up 21% so far in 2026.
STX Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $59.6 | $63.0 | +5.7% |
| 2021 | $63.0 | $111.4 | +77% |
| 2022 | $111.4 | $50.5 | -55% |
| 2023 | $50.5 | $85.4 | +69% |
| 2024 | $85.4 | $87.4 | +2.4% |
| 2025 | $87.4 | $286.2 | +228% |
| 2026 YTD | $286.2 | $545.1 | +90% |
STX has the edge over COHR on returns for 2026, with the stronger performance.