Monolithic Power Systems, Inc. (MPWR) Key Metrics
MPWR valuation today
Trailing 12 months · as of October 18, 2026- Market cap
- $59.51B
- Enterprise value
- $66.45B
- P/E (TTM)
- 73.7 10-yr median 71.5
- Forward P/E
- 38.8
- PEG ratio
- 1.04
- Price / sales
- 18.2 10-yr median 13.0
- Price / book
- 17.4 10-yr median 10.4
- EV / EBITDA
- 65.2 10-yr median 50.2
- Dividend yield
- 0.66% $8.00 a year
- Beta
- 1.68
MPWR key metrics, 2016–2025
Fiscal year ended December 31, 2025 · U.S. dollarsMPWR valuation Price multiples at each fiscal year-end price.
MPWR returns How much profit the business earns on the capital it uses.
MPWR per-share figures Results divided by the shares outstanding at year-end.
MPWR financial health Debt, liquidity and how easily interest is covered.
MPWR efficiency & capital use Working capital cycle and where the cash goes.
MPWR valuation history
MPWR returns on capital
Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.
MPWR debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease liabilities.
MPWR cash returned to shareholders
MPWR price vs earnings per share
MPWR key metrics
2016–2025| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Valuation | ||||||||||
| Market capitalization | $43.79B | $28.90B | $30.76B | $17.10B | $23.63B | $17.22B | $8.15B | $5.18B | $4.90B | $3.43B |
| Enterprise value | $42.55B | $28.05B | $29.66B | $16.36B | $22.91B | $16.63B | $7.69B | $4.81B | $4.60B | $3.17B |
| P/E ratio | 71.1 | 16.2 | 72.0 | 39.1 | 97.6 | 104.7 | 74.9 | 49.3 | 75.1 | 65.1 |
| Price / sales | 15.7 | 13.1 | 16.9 | 9.5 | 19.6 | 20.4 | 13.0 | 8.9 | 10.4 | 8.8 |
| Price / book | 12.4 | 9.2 | 15.0 | 10.2 | 19.0 | 17.8 | 10.5 | 8.1 | 9.4 | 8.0 |
| Price / free cash flow | 65.7 | 45.0 | 53.0 | 91.0 | 105.1 | 81.2 | 68.2 | 43.6 | 72.0 | 48.6 |
| Price / operating cash flow | 52.2 | 36.7 | 48.2 | 69.3 | 73.8 | 64.3 | 37.7 | 36.7 | 36.6 | 31.9 |
| EV / sales | 15.2 | 12.7 | 16.3 | 9.1 | 19.0 | 19.7 | 12.3 | 8.3 | 9.8 | 8.1 |
| EV / EBITDA | 52.0 | 46.0 | 54.3 | 29.1 | 76.1 | 89.4 | 64.2 | 37.6 | 48.5 | 46.0 |
| EV / free cash flow | 63.9 | 43.7 | 51.1 | 87.1 | 101.9 | 78.4 | 64.4 | 40.4 | 67.6 | 44.8 |
| Earnings yield | 1.4% | 6.2% | 1.4% | 2.6% | 1.0% | 1.0% | 1.3% | 2.0% | 1.3% | 1.5% |
| Free cash flow yield | 1.5% | 2.2% | 1.9% | 1.1% | 1.0% | 1.2% | 1.5% | 2.3% | 1.4% | 2.1% |
| Dividend yield | 0.7% | 0.8% | 0.6% | 0.8% | 0.5% | 0.5% | 0.8% | 0.9% | 0.7% | 1.0% |
| Shareholder yield (dividends + buybacks) | 0.7% | 3.0% | 0.6% | 0.8% | 0.5% | 0.5% | 0.8% | 0.9% | 0.7% | 1.0% |
| Share price at fiscal year-end | $906.36 | $591.70 | $630.78 | $353.61 | $493.33 | $366.23 | $178.02 | $116.25 | $112.36 | $81.93 |
| Per share | ||||||||||
| Revenue per share | $57.76 | $45.20 | $37.34 | $37.10 | $25.22 | $17.96 | $13.72 | $13.06 | $10.81 | $9.27 |
| Earnings per share | $12.75 | $36.59 | $8.76 | $9.05 | $5.05 | $3.50 | $2.38 | $2.36 | $1.50 | $1.26 |
| Operating cash flow per share | $17.35 | $16.14 | $13.09 | $5.10 | $6.68 | $5.70 | $4.73 | $3.17 | $3.07 | $2.57 |
| Free cash flow per share | $13.79 | $13.15 | $11.91 | $3.88 | $4.69 | $4.51 | $2.61 | $2.67 | $1.56 | $1.69 |
| Cash per share | $26.01 | $17.67 | $22.73 | $15.26 | $15.14 | $12.66 | $9.95 | $8.46 | $6.86 | $6.40 |
| Book value per share | $73.10 | $64.42 | $42.03 | $34.51 | $25.98 | $20.56 | $16.90 | $14.35 | $11.98 | $10.29 |
| Tangible book value per share | $72.38 | $63.68 | $41.90 | $34.37 | $25.84 | $20.42 | $16.76 | $14.20 | $11.81 | $10.06 |
| Dividends per share | $5.90 | $4.93 | $3.81 | $2.85 | $2.28 | $1.89 | $1.47 | $1.06 | $0.78 | $0.79 |
| Capex per share | $3.56 | $2.99 | $1.18 | $1.22 | $1.99 | $1.18 | $2.11 | $0.51 | $1.51 | $0.89 |
| Debt per share | $0.50 | $0.32 | $0.11 | $0.03 | $0.12 | $0.07 | $0.05 | — | $0.00 | $0.00 |
| Shares outstanding | 48.3M | 48.8M | 48.8M | 48.4M | 47.9M | 47.0M | 45.8M | 44.6M | 43.6M | 41.9M |
| Change in shares outstanding | −1.1% | +0.1% | +0.9% | +1.0% | +1.9% | +2.7% | +2.6% | +2.3% | +4.0% | +2.6% |
| Returns & profitability | ||||||||||
| Return on equity (ROE) | 18.4% | 68.8% | 23.0% | 30.1% | 21.9% | 18.9% | 15.4% | 18.1% | 13.7% | 13.2% |
| Return on invested capital (ROIC) | 25.5% | 33.2% | 43.3% | 60.3% | 51.9% | 44.4% | 33.8% | 41.5% | 31.6% | 33.8% |
| Return on assets (ROA) | 15.8% | 59.1% | 19.0% | 24.0% | 17.3% | 15.2% | 12.4% | 14.6% | 11.2% | 11.2% |
| Return on tangible assets | 14.8% | 49.9% | 17.6% | 21.3% | 15.3% | 13.7% | 11.5% | 13.4% | 10.1% | 10.5% |
| Free cash flow margin | 23.9% | 29.1% | 31.9% | 10.5% | 18.6% | 25.1% | 19.0% | 20.4% | 14.4% | 18.2% |
| Income quality (OCF / net income) | 1.36 | 0.44 | 1.49 | 0.56 | 1.32 | 1.63 | 1.99 | 1.34 | 2.05 | 2.04 |
| Financial health | ||||||||||
| Total debt | $24.1M | $15.8M | $5.6M | $1.7M | $5.8M | $3.1M | $2.4M | — | $0 | $0 |
| Cash & short-term investments | $1.26B | $862.9M | $1.11B | $737.9M | $725.1M | $595.1M | $455.4M | $377.3M | $299.1M | $268.2M |
| Net debt | −$1.23B | −$847.2M | −$1.10B | −$736.2M | −$719.3M | −$592.0M | −$453.0M | −$377.3M | −$299.1M | −$268.2M |
| Debt / equity | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | — | 0.00 | 0.00 |
| Debt / assets | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | — | 0.00 | 0.00 |
| Net debt / EBITDA | −1.51 | −1.39 | −2.02 | −1.31 | −2.39 | −3.19 | −3.78 | −2.95 | −3.16 | −3.89 |
| Current ratio | 5.91 | 5.31 | 7.74 | 5.36 | 4.96 | 5.73 | 6.67 | 7.22 | 6.93 | 7.24 |
| Quick ratio | 4.38 | 3.89 | 6.11 | 3.66 | 3.81 | 4.66 | 5.37 | 5.53 | 5.40 | 5.89 |
| Interest coverage | — | — | — | 36.7 | 10.1 | 11.3 | 5.0 | — | — | — |
| Working capital | $1.81B | $1.27B | $1.58B | $1.15B | $897.9M | $695.0M | $557.0M | $500.4M | $384.4M | $330.1M |
| Invested capital | $2.30B | $2.30B | $947.0M | $932.4M | $524.7M | $374.6M | $320.5M | $262.8M | $222.9M | $162.9M |
| Tangible asset value | $3.50B | $3.11B | $2.04B | $1.66B | $1.24B | $960.0M | $766.9M | $633.4M | $514.5M | $421.5M |
| Net current asset value | $1.52B | $1.09B | $1.44B | $1.02B | $783.0M | $600.1M | $472.3M | $427.5M | $319.7M | $303.0M |
| Graham number | $144.81 | $230.28 | $91.03 | $83.83 | $54.35 | $40.22 | $30.07 | $27.61 | $20.08 | $17.06 |
| Graham net-net per share | $23.04 | $15.89 | $22.62 | $14.87 | $12.69 | $10.48 | $8.35 | $7.58 | $5.73 | $5.98 |
| Capital allocation | ||||||||||
| Dividends paid | $284.8M | $240.6M | $185.8M | $138.0M | $109.4M | $88.8M | $67.3M | $47.5M | $33.9M | $33.1M |
| Share buybacks (net) | $7.7M | $636.2M | $3.7M | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Dividend payout ratio | 46.2% | 13.5% | 43.5% | 31.5% | 45.2% | 54.0% | 61.8% | 45.1% | 52.0% | 62.8% |
| Dividends + buybacks / free cash flow | 43.9% | 136.5% | 32.7% | 73.5% | 48.7% | 41.8% | 56.3% | 39.9% | 49.9% | 46.8% |
| Capex / revenue | 6.2% | 6.6% | 3.2% | 3.3% | 7.9% | 6.6% | 15.4% | 3.9% | 14.0% | 9.5% |
| Capex / operating cash flow | 20.5% | 18.5% | 9.0% | 23.9% | 29.8% | 20.8% | 44.7% | 15.9% | 49.1% | 34.4% |
| Capex / depreciation | 3.28 | 4.01 | 1.43 | 1.59 | 3.32 | 2.90 | 6.51 | 1.83 | 4.09 | 2.53 |
| Stock-based compensation / revenue | 8.2% | 9.3% | 8.2% | 9.0% | 10.2% | 10.1% | 12.5% | 10.4% | 11.2% | 11.6% |
| R&D / revenue | 13.7% | 14.7% | 14.5% | 13.4% | 15.8% | 16.3% | 17.2% | 16.0% | 17.5% | 18.9% |
| SG&A / revenue | 15.4% | 16.2% | 14.7% | 15.2% | 18.7% | 19.1% | 21.3% | 19.5% | 20.7% | 21.4% |
| Efficiency | ||||||||||
| Days sales outstanding | 35.9 | 39.9 | 44.8 | 32.9 | 31.4 | 30.8 | 35.5 | 31.8 | 29.5 | 31.1 |
| Days of inventory on hand | 143.6 | 148.7 | 189.6 | 173.0 | 145.5 | 137.2 | 171.0 | 165.6 | 146.5 | 138.2 |
| Days payables outstanding | 35.1 | 30.6 | 28.4 | 35.4 | 42.3 | 31.6 | 32.4 | 32.0 | 34.5 | 31.7 |
| Cash conversion cycle (days) | 144.3 | 157.9 | 206.0 | 170.5 | 134.6 | 136.5 | 174.2 | 165.5 | 141.5 | 137.6 |
| Receivables turnover | 10.18 | 9.15 | 8.14 | 11.09 | 11.63 | 11.85 | 10.27 | 11.46 | 12.38 | 11.72 |
| Payables turnover | 10.39 | 11.92 | 12.86 | 10.32 | 8.62 | 11.57 | 11.28 | 11.42 | 10.57 | 11.50 |
| Inventory turnover | 2.54 | 2.46 | 1.93 | 2.11 | 2.51 | 2.66 | 2.13 | 2.20 | 2.49 | 2.64 |
| Asset turnover | 0.71 | 0.73 | 0.81 | 0.98 | 0.86 | 0.78 | 0.72 | 0.81 | 0.81 | 0.82 |
| Average receivables | $274.1M | $241.3M | $223.6M | $161.8M | $103.9M | $71.3M | $61.1M | $50.8M | $38.1M | $33.2M |
| Average payables | $120.4M | $82.7M | $62.2M | $72.2M | $60.6M | $32.7M | $25.0M | $22.7M | $20.1M | $15.5M |
| Average inventory | $492.1M | $401.7M | $415.5M | $353.4M | $208.2M | $142.3M | $131.9M | $117.8M | $85.4M | $67.3M |
| Intangibles / total assets | 0.8% | 1.0% | 0.3% | 0.3% | 0.4% | 0.5% | 0.7% | 0.8% | 1.2% | 1.9% |
Computed from MPWR's annual financial statements (latest annual report filed February 27, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.
MPWR valuation and financial ratios
At the end of fiscal 2025 (December 31, 2025), Monolithic Power traded at 71.1 times earnings, against a 10-year median of 71.5. Based on the latest twelve months, the trailing P/E is 73.7 and the forward P/E is 38.8. Monolithic Power earned a return on equity of 18.4% and a return on invested capital of 25.5% in fiscal 2025. It ended the year with $24.1 million of debt and $1.3 billion in cash and short-term investments, a net cash position of $1.2 billion. It returned $292.5 million to shareholders: $284.8 million in dividends and $7.7 million in share buybacks, 44% of free cash flow. The share count rose 15.3% from 41.9M to 48.3M over 9 years.
See the MPWR income statement, the MPWR chart for price history, or the MPWR stock overview for the latest quote and news.
MPWR key metrics FAQ
What is Monolithic Power's P/E ratio?
Monolithic Power's trailing P/E ratio is 73.7 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 38.8. At the end of fiscal 2025 it was 71.1, compared with a 10-year median of 71.5.
What is Monolithic Power's EV/EBITDA?
Monolithic Power's enterprise value was 52.0 times EBITDA at the end of fiscal 2025 (enterprise value $42.6 billion, EBITDA $818.7 million); the current EV/EBITDA is 65.2.
What is Monolithic Power's return on equity?
Monolithic Power's return on equity (ROE) was 18.4% in fiscal 2025: net income of $615.9 million on average shareholders' equity of $3.3 billion.
What is Monolithic Power's ROIC?
Monolithic Power's return on invested capital was 25.5% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.
How much debt does Monolithic Power have?
Monolithic Power had total debt of $24.1 million at the end of fiscal 2025, a debt-to-equity ratio of 0.01 and more cash than debt.
What is Monolithic Power's dividend yield?
Monolithic Power's forward dividend yield is 0.66%. Monolithic Power paid $284.8 million in dividends in fiscal 2025 ($5.90 per share), a payout ratio of 46.2%.
Does Monolithic Power buy back its shares?
Yes. Monolithic Power spent $7.7 million on net share repurchases in fiscal 2025 Shares outstanding changed −1.1% over the year, to 48.3M..
What is Monolithic Power's free cash flow yield?
Monolithic Power generated $666.2 million of free cash flow in fiscal 2025, a free cash flow yield of 1.5% on its market value at year-end ($43.8 billion).
What is Monolithic Power's current ratio?
Monolithic Power's current ratio was 5.91 at the end of fiscal 2025: current assets were 5.91 times current liabilities.