ARM
Arm Holdings plc American Depositary Shares
ARM offers stronger valuation, but that advantage does not outweigh its weaker overall profile.
STX
Seagate Technology Holdings plc
STX has the edge over ARM overall, supported by stronger fundamentals and stronger modeled upside.
ARM Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Healthy | |
| Strong | |
| Strong |
ARM's revenue, profitability, cash flow and balance sheet are all currently healthy.
STX Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
STX's revenue, profitability, cash flow and balance sheet are all currently strong.
ARM PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 167x | $147 | -27% |
| Fair | 224x | $197 | -1.4% |
| Current | 227x | $200 | — |
| Expensive | 361x | $317 | +59% |
Historical ranges are pointers, not guarantees.
ARM 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.
ARM Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Strong growth | |
| Improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for ARM, 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.
ARM Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | $0.88 | +13% |
| Q2 2026 | $0.98 | +48% |
| Q1 2026 | $0.85 | +13% |
| Q4 2025 | $0.75 | -1.3% |
| Q3 2025 | $0.78 | +30% |
| Q1 2025 | $0.75 | +159% |
| Q4 2024 | $0.76 | +850% |
| Q3 2024 | $0.60 | +233% |
ARM earned $0.88 per share over the past year, up 13% from the year before.
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 has the edge over ARM on earnings, with more consistent year-over-year improvement.
ARM Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.4B | +27% |
| Q2 2026 | $1.3B | +22% |
| Q1 2026 | $1.5B | +20% |
| Q4 2025 | $1.2B | +26% |
| Q3 2025 | $1.1B | +34% |
| Q2 2025 | $1.1B | +12% |
| Q1 2025 | $1.2B | +34% |
| Q4 2024 | $983M | +19% |
ARM's revenue has grown year over year for eight quarters in a row: $1.4B last quarter, up 27% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 14% | -0.4 points |
| Q2 2026 | 7.1% | -3.8 points |
| Q1 2026 | 29% | -3.6 points |
| Q4 2025 | 15% | -2.9 points |
| Q3 2025 | 14% | +6.8 points |
| Q2 2025 | 11% | -8.5 points |
| Q1 2025 | 33% | +31 points |
| Q4 2024 | 18% | +1.5 points |
ARM's operating margin was 14% last quarter, about level with the same quarter a year ago.
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 ARM 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 ARM on profitability, with a higher operating margin.
ARM Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $135M | -69% |
| Q2 2026 | $705M | +296% |
| Q1 2026 | $186M | +1.1% |
| Q4 2025 | $186M | -48% |
| Q3 2025 | $429M | +$476M |
| Q2 2025 | $178M | +$497M |
| Q1 2025 | $184M | -72% |
| Q4 2024 | $360M | +25% |
ARM generated $1.2B in free cash flow over the past year, up 5.3% from the year before.
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 ARM on cash flow, with more consistent year-over-year improvement.
ARM Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.1% | +1M shares |
| 1 year | +0.9% | +10M shares |
| 3 years | +5.2% | +53.7M shares |
ARM has the edge over STX on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q1 2023 | — |
| Q4 2022 | — |
| Q3 2022 | — |
| Q2 2022 | — |
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 232M diluted shares, up 2.7% from a year ago.
| 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.
ARM Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q1 2023 | -1.6x | Net Cash |
ARM has more cash than debt.
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's net debt is less than a year of its operating earnings (EBITDA), down from 1.6 years a year ago.
ARM Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 43.0 | Neutral |
| Stochastic | 11.0 | Oversold |
ARM's weekly RSI is 43 (neutral) and its Stochastic is 11 (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).
ARM PE vs Technology Sector
| Metric | ARM | Sector median | Relative |
|---|---|---|---|
| PE | 227x | 28x | 715% above |
| PE % | 51 | 23 | 28 pts above |
ARM is trading at 227x earnings, a 715% 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 ARM on valuation relative to its sector.
ARM Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $237.8 | 16% below |
| 20 week MA | $257.3 | 22% below |
| 50 week MA | $213.9 | 6.6% below |
| 100 week MA | $176.5 | 13% above |
STX has stronger trend alignment. ARM is above 1 of 4 weekly averages versus STX above 2 of 5.
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.
ARM Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2023 | $60.8 | $75.2 | +24% |
| 2024 | $75.2 | $129.2 | +72% |
| 2025 | $129.2 | $110.3 | -15% |
| 2026 YTD | $110.3 | $199.8 | +81% |
ARM has finished higher in two of the last three years. It's up 81% 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 ARM on returns for 2026, with the stronger performance.