Total debt was effectively nil by 2026Q3 with a debt-to-equity ratio of zero, while equity grew to $3.7B and the current ratio stayed above 3.7x, though cash declined from roughly $1.1B to $560.5M.
Monolithic Power Systems, Inc. (MPWR) balance sheet — 24-year assets, liabilities & shareholders' equity history
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 |
|---|
| Total Current Assets | 2.37B | 2.18B | 1.57B | 1.82B | 1.41B | 1.12B | 842M | 655.21M | 580.81M | 449.17M | 382.98M | 331.93M | 308.15M | 292.09M | 214.3M | 211.5M | 224.37M | 203.5M | 143.25M | 148.69M | 97.16M | 87.72M | 60.34M | 19.64M | 20.07M |
| Cash & Short-Term Investments | 1.09B | 1.26B | 862.95M | 1.11B | 737.87M | 725.08M | 595.11M | 455.4M | 377.28M | 299.09M | 268.22M | 234.96M | 238.72M | 226.34M | 160.63M | 174.2M | 177.72M | 165.63M | 105.19M | 110.88M | 78.49M | 63.91M | 49.02M | 13.14M | 17.22M |
| Cash Only | 560.54M | 1.1B | 691.82M | 527.84M | 288.61M | 189.26M | 334.94M | 172.96M | 172.7M | 82.76M | 112.7M | 90.86M | 126.27M | 101.21M | 75.1M | 96.37M | 48.01M | 46.72M | 83.27M | 83.11M | 50.82M | 25.09M | 32.02M | 12.14M | 17.22M |
| Short-Term Investments | 530.69M | 157.24M | 171.13M | 580.63M | 449.27M | 535.82M | 260.17M | 282.44M | 204.58M | 216.33M | 155.52M | 144.1M | 112.45M | 125.13M | 85.52M | 77.83M | 129.71M | 118.91M | 21.92M | 27.77M | 27.67M | 38.81M | 17M | 1.01M | 0 |
| Accounts Receivable | 461.63M | 315.63M | 232.53M | 250M | 197.19M | 126.48M | 81.26M | 61.3M | 60.99M | 40.62M | 35.48M | 30.83M | 25.63M | 23.73M | 19.38M | 15.1M | 18.35M | 15.52M | 9.12M | 8.24M | 9.16M | 9.54M | 4M | 4.57M | 1.32M |
| Days Sales Outstanding | 34.73 | 41.28 | 38.45 | 50.11 | 40.12 | 38.22 | 35.12 | 35.63 | 38.23 | 31.49 | 33.32 | 33.79 | 33.11 | 36.38 | 33.09 | 28.04 | 30.6 | 34.33 | 20.73 | 22.44 | 31.82 | 35.12 | 30.64 | 68.86 | 39.33 |
| Inventory | 764.88M | 564.65M | 419.61M | 383.7M | 447.29M | 259.42M | 157.06M | 127.5M | 136.38M | 99.28M | 71.47M | 63.21M | 40.92M | 39.74M | 32.12M | 20.1M | 25.79M | 19.62M | 18.89M | 17.49M | 6.74M | 6.17M | 5.4M | 1.6M | 1.27M |
| Days Inventory Outstanding | 143.2 | 164.78 | 155.3 | 175.07 | 218.97 | 181.28 | 151.46 | 165.26 | 191.67 | 170.41 | 146.72 | 150.89 | 114.96 | 131.63 | 116.45 | 77.3 | 96.66 | 106.34 | 112.67 | 130.85 | 64.54 | 62.5 | 101.09 | 53.39 | 67.7 |
| Other Current Assets | 54.02M | 46.98M | 13.88M | 48.36M | 17.22M | 4.35M | 3.53M | 3.02M | 2.73M | 1.22M | 565K | 798K | 0 | 0 | 1K | 421K | 204K | 5K | 7.43M | 7.42M | 1.66M | 6.61M | 1.39M | 0 | 0 |
| Total Non-Current Assets | 2.3B | 2.01B | 2.05B | 614.85M | 648.27M | 460.97M | 366.49M | 301.17M | 212.62M | 202.28M | 128.14M | 99.36M | 91.22M | 76.82M | 71.17M | 62.36M | 57.23M | 38.32M | 52.05M | 23.81M | 20.17M | 13.06M | 11.61M | 2.97M | 1.54M |
| Property, Plant & Equipment | 821.57M | 652.58M | 529.14M | 368.95M | 357.16M | 362.96M | 281.53M | 231.18M | 150M | 144.64M | 85.17M | 65.36M | 62.94M | 64.84M | 59.41M | 47.79M | 37.26M | 17.97M | 14.16M | 14.18M | 11.36M | 6.24M | 4.18M | 2.15M | 1.47M |
| Fixed Asset Turnover | 5.08x | 4.28x | 4.17x | 4.94x | 5.02x | 3.33x | 3.00x | 2.72x | 3.88x | 3.26x | 4.56x | 5.10x | 4.49x | 3.67x | 3.60x | 4.11x | 5.87x | 9.18x | 11.33x | 9.45x | 9.25x | 15.89x | 11.39x | 11.26x | 8.31x |
| Goodwill | 25.94M | 25.94M | 25.94M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 6.57M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Intangible Assets | 7.93M | 8.79M | 9.94M | 0 | 0 | 0 | 0 | 0 | 111K | 951K | 3M | 5.05M | 6.81M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Long-Term Investments | 268K | 268K | 0 | 0 | 0 | 0 | 6.26M | 3.14M | 3.24M | 5.26M | 5.35M | 5.36M | 5.39M | 9.86M | 11.76M | 13.68M | 19.18M | 19.45M | 37.43M | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Assets | 262.36M | 139.94M | 160.18M | 211.28M | 249.29M | 69.52M | 53.58M | 43.09M | 35.98M | 30.07M | 27.41M | 16.34M | 8.46M | 1.64M | 1.02M | 654K | 749K | 734K | 438K | 8.88M | 8.81M | 6.82M | 6.78M | 816.9K | 76.83K |
| Total Assets | 4.67B | 4.19B | 3.62B | 2.43B | 2.06B | 1.59B | 1.21B | 956.38M | 793.43M | 651.45M | 511.13M | 431.29M | 399.37M | 368.91M | 287.16M | 273.87M | 281.6M | 241.82M | 195.3M | 172.5M | 117.33M | 100.78M | 71.95M | 22.6M | 21.61M |
| Asset Turnover | 0.83x | 0.67x | 0.61x | 0.75x | 0.87x | 0.76x | 0.70x | 0.66x | 0.73x | 0.72x | 0.76x | 0.77x | 0.71x | 0.65x | 0.74x | 0.72x | 0.78x | 0.68x | 0.82x | 0.78x | 0.90x | 0.98x | 0.66x | 1.07x | 0.56x |
| Asset Growth % | 61.91% | 15.95% | 48.59% | 18.24% | 29.83% | 31.22% | 26.36% | 20.54% | 21.8% | 27.45% | 18.51% | 7.99% | 8.26% | 28.47% | 4.85% | -2.75% | 16.45% | 23.82% | 13.22% | 47.02% | 16.42% | 40.07% | 218.31% | 4.58% | - |
| Total Current Liabilities | 640.65M | 369.37M | 294.57M | 235.03M | 263.4M | 226.94M | 146.97M | 98.22M | 80.44M | 64.8M | 52.92M | 43.28M | 36.86M | 38.49M | 23.46M | 26.07M | 28.97M | 23.92M | 25.88M | 29.41M | 20.12M | 22.27M | 8.28M | 2.89M | 2.5M |
| Accounts Payable | 236.47M | 138.27M | 102.53M | 62.96M | 61.46M | 83.03M | 38.17M | 27.27M | 22.68M | 22.81M | 17.43M | 13.49M | 13.14M | 10.69M | 9.86M | 8.9M | 8.98M | 7.79M | 4.67M | 6.15M | 5.91M | 6.58M | 3.4M | 1.79M | 1.59M |
| Days Payables Outstanding | 39.91 | 40.35 | 37.94 | 28.73 | 30.09 | 58.02 | 36.81 | 35.35 | 31.87 | 39.16 | 35.78 | 32.2 | 36.91 | 35.42 | 35.75 | 34.24 | 33.65 | 42.21 | 27.88 | 46.05 | 56.6 | 66.74 | 63.6 | 59.86 | 85.01 |
| Short-Term Debt | 0 | 4.13M | 2.82M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Revenue (Current) | 0 | 0 | 0 | 0 | 0 | 4.3M | 7.24M | 3.41M | 2.52M | 6.59M | 6.8M | 5.24M | 3.91M | 2.52M | 2.2M | 3.6M | 0 | 0 | 841K | 1.31M | 687K | 0 | 0 | 0 | 0 |
| Other Current Liabilities | 0 | 59.49M | 61.1M | 56.29M | 88.26M | 64.08M | 50.44M | 31.69M | 24.16M | 18.24M | 14.52M | 12.18M | 10.78M | 21.37M | 8.65M | 10.41M | 0 | 0 | -841K | 0 | 0 | 0 | 0 | 0 | 0 |
| Current Ratio | 3.70x | 5.91x | 5.31x | 7.74x | 5.36x | 4.96x | 5.73x | 6.67x | 7.22x | 6.93x | 7.24x | 7.67x | 8.36x | 7.59x | 9.13x | 8.11x | 7.75x | 8.51x | 5.53x | 5.06x | 4.83x | 3.94x | 7.28x | 6.78x | 8.02x |
| Quick Ratio | 2.51x | 4.38x | 3.89x | 6.11x | 3.66x | 3.81x | 4.66x | 5.37x | 5.53x | 5.40x | 5.89x | 6.21x | 7.25x | 6.56x | 7.77x | 7.34x | 6.85x | 7.69x | 4.80x | 4.46x | 4.49x | 3.66x | 6.63x | 6.23x | 7.52x |
| Cash Conversion Cycle | 138.02 | 165.72 | 155.81 | 196.46 | 229 | 161.48 | 149.78 | 165.55 | 198.03 | 162.74 | 144.26 | 152.48 | 111.16 | 132.58 | 113.79 | 71.11 | 93.61 | 98.46 | 105.52 | 107.24 | 39.76 | 30.88 | 68.14 | 62.39 | 22.02 |
| Total Non-Current Liabilities | 298.19M | 293.34M | 176.76M | 149.38M | 126.88M | 114.9M | 94.94M | 84.66M | 72.9M | 64.64M | 27.09M | 19.49M | 16.08M | 7.02M | 0 | 4.92M | 5.74M | 4.94M | 4.77M | 5.78M | 2.25M | 340K | 161.45K | 18.48M | 17.13M |
| Long-Term Debt | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Capital Lease Obligations | 19.97M | 19.97M | 12.97M | 5.57M | 1.66M | 0 | 1.69M | 1.1M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Tax Liabilities | 361.43M | 90.48M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.88M | 5.54M | 0 | 0 | 5.01M | 4.92M | 4.76M | 0 | 0 | 131K | 0 | 0 | 0 |
| Other Non-Current Liabilities | 207.87M | 182.88M | 163.79M | 143.81M | 125.22M | 114.9M | 93.24M | 83.56M | 72.9M | 64.64M | 27.09M | 19.49M | 10.2M | 1.48M | 5.41M | 4.92M | 723K | 27K | 10K | 5.64M | 2.25M | 209K | 161K | 18.48M | 17.13M |
| Total Liabilities | 938.84M | 662.7M | 471.33M | 384.41M | 390.28M | 341.84M | 241.9M | 182.88M | 153.34M | 129.44M | 80.01M | 62.77M | 52.94M | 45.51M | 28.87M | 30.99M | 34.71M | 28.86M | 30.65M | 35.19M | 22.38M | 22.61M | 8.45M | 21.37M | 19.63M |
| Total Debt | 0 | 24.1M | 15.79M | 5.57M | 1.66M | 0 | 3.1M | 2.36M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Net Debt | -560.54M | -1.08B | -676.02M | -522.28M | -286.94M | -189.26M | -331.85M | -170.6M | -172.7M | -82.76M | -112.7M | -90.86M | -126.27M | -101.21M | -75.1M | -96.37M | -48.01M | -46.72M | -83.27M | -83.11M | -50.82M | -25.09M | -32.02M | -12.14M | -17.22M |
| Debt / Equity | 0.00x | 0.01x | 0.01x | 0.00x | 0.00x | - | 0.00x | 0.00x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Debt / EBITDA | 0.00x | 0.03x | 0.03x | 0.01x | 0.00x | - | 0.02x | 0.02x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net Debt / EBITDA | -0.50x | -1.38x | -1.17x | -1.00x | -0.51x | -0.65x | -1.86x | -1.45x | -1.37x | -0.88x | -1.63x | -1.66x | -2.61x | -2.81x | -2.82x | -4.35x | -1.25x | -1.79x | -2.95x | -6.00x | -3.28x | -1.85x | -4.20x | -13.98x | - |
| Interest Coverage | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total Equity | 3.73B | 3.53B | 3.15B | 2.05B | 1.67B | 1.24B | 966.59M | 773.49M | 640.09M | 522.01M | 431.12M | 368.52M | 346.43M | 323.4M | 258.29M | 242.88M | 246.9M | 212.96M | 164.65M | 137.31M | 94.95M | 78.17M | 63.5M | 1.23M | 1.98M |
| Equity Growth % | 43.97% | 12.26% | 53.46% | 22.85% | 34.13% | 28.7% | 24.96% | 20.84% | 22.62% | 21.08% | 16.99% | 6.38% | 7.12% | 25.21% | 6.35% | -1.63% | 15.94% | 29.34% | 19.91% | 44.61% | 21.47% | 23.09% | 5058.62% | -37.81% | - |
| Book Value per Share | 75.91 | 73.10 | 64.42 | 42.03 | 34.51 | 25.98 | 20.56 | 16.90 | 14.35 | 11.98 | 10.29 | 9.02 | 8.71 | 8.37 | 7.13 | 6.91 | 6.53 | 5.81 | 4.56 | 3.91 | 3.22 | 2.53 | 6.95 | 0.20 | 0.34 |
| Total Shareholders' Equity | 3.73B | 3.53B | 3.15B | 2.05B | 1.67B | 1.24B | 966.59M | 773.49M | 640.09M | 522.01M | 431.12M | 368.52M | 346.43M | 323.4M | 258.29M | 242.88M | 246.9M | 212.96M | 164.65M | 137.31M | 94.95M | 78.17M | 63.5M | 1.23M | 1.98M |
| Common Stock | 690.43M | 937M | 706.82M | 1.13B | 975.28M | 803.23M | 657.7M | 549.52M | 450.91M | 376.59M | 315.97M | 265.76M | 240.5M | 234.2M | 194.08M | 159.34M | 178.27M | 175.52M | 147.3M | 146.03M | 113.53M | 98.34M | 93.53M | 13.53M | 2.09M |
| Retained Earnings | 3.03B | 2.61B | 2.49B | 947.06M | 716.4M | 424.88M | 298.75M | 229.45M | 194.73M | 143.61M | 119.36M | 101.29M | 100.11M | 82.94M | 60.04M | 79.95M | 66.65M | 37.09M | 17.41M | -9.19M | -17.89M | -15.09M | -20.69M | -15.06M | -10.68M |
| Treasury Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accumulated OCI | 9.25M | -15.15M | -48.51M | -27.06M | -23.08M | 15.88M | 10.14M | -5.48M | -5.54M | 1.81M | -4.21M | 1.47M | 5.81M | 6.26M | 0 | 3.59M | 1.98M | 354K | -64K | 462K | -685K | -5.08M | -9.33M | -8.41M | -595.83K |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying MPWR stock.
As of 2025, Monolithic Power Systems, Inc. (MPWR) had total assets of $4.19B including $2.18B in current assets.
Monolithic Power Systems, Inc. (MPWR) carries total debt of $24.1M, offset by $1.26B in cash and short-term investments. Comparing total debt to cash helps evaluate the company's debt burden and net leverage.
Monolithic Power Systems, Inc. (MPWR) has total shareholders' equity (book value) of $3.53B ($73.10 book value per share). Book value represents the net worth of the company belonging to common stock holders.
Monolithic Power Systems, Inc. (MPWR) reported a current ratio of 5.91x. A current ratio above 1.0x indicates that the company has more current assets than current liabilities, suggesting sufficient short-term liquidity.
Key Metrics
Top Statement Risk
Buybacks outpacing free cash flow
Metrics are mathematically derived from official filings.
Equity Base Compounding Through Retained Earnings
According to reported quarterly figures, MPWR's total equity grew from roughly $2.2B in 2024Q2 to $3.7B in 2026Q3, driven largely by retained earnings that rose from $1.0B to $3.0B over the same window.
The steady climb in retained earnings suggests the balance sheet is strengthening organically rather than through external capital, which is consistent with a business generating durable profits. Total liabilities have also expanded alongside assets, but the ratio remains moderate, indicating growth is not being financed by a rising obligation load. Investors should monitor whether the pace of equity accumulation holds once capital returns to shareholders begin to absorb a larger share of earnings.
Cash Position Drifting Lower From Peak
Based on reported figures, cash and equivalents declined from roughly $1.1B in 2025Q4 and 2026Q1 to $560.5M in 2026Q3, while the current ratio remained above 3.7x throughout the period.
A current ratio that stays well above parity indicates short-term obligations are comfortably covered, so near-term solvency does not appear to be a constraint. The decline in cash, however, coincides with heavy repurchase activity, which suggests the company is deliberately deploying its liquidity buffer rather than facing operating pressure. The trend warrants monitoring to confirm that the cash reduction reflects discretionary allocation and not a shift in working capital needs.
Near-Zero Leverage With Minimal Obligations
As reported in financial statements, MPWR's total debt was effectively nil in most recent quarters, with the debt-to-equity ratio peaking at only about 0.01 in 2025Q4 and falling to zero in 2026Q3.
Negligible leverage means debt service is not a meaningful claim on operating cash flow, which materially lowers refinancing and interest rate exposure. This conservative structure appears to be a deliberate capital policy rather than a constraint, given the company's ability to access cash generation internally. The main implication is that financial risk is low, leaving operating and end-market concentration as the more relevant threats to the balance sheet.
Asset-Light Structure Anchored by Net PP&E
Based on reported balance sheet data, net property, plant and equipment rose from $529.1M in 2024Q4 to $821.6M in 2026Q3, while goodwill remained fixed at roughly $25.9M throughout the period.
The growth in net PP&E is notable for a fabless-lite model, suggesting the company is investing in test, packaging, or facility capacity beyond pure design activity. Goodwill is immaterial relative to total assets of about $4.7B, so impairment risk does not appear to distort the asset base. The asset mix therefore points to a business whose value rests primarily on intellectual property and working capital rather than acquired intangibles.
Repurchases Shrinking Equity Relative to Earnings
According to reported quarterly figures, MPWR deployed $453.4M toward share repurchases in 2026Q3 alongside $98.5M in dividends, reflecting a shift in how retained earnings are being distributed to shareholders.
Heavy repurchases and dividends reduce the equity base even as retained earnings compound, which may partly explain the flattening of equity growth in recent quarters. Stock-based compensation adds ongoing dilution pressure that buybacks must offset before shareholders see net share count reduction. Investors should assess whether repurchase pace is sustainable relative to free cash flow generation.
Strong Ratios Masking Cash Conversion Volatility
Based on reported figures, the headline solvency picture may overstate balance sheet flexibility, since cash fell by roughly $550M across recent quarters while buyback outflows exceeded quarterly free cash flow in 2026Q3.
Headline metrics such as a near-zero debt ratio and a current ratio above 3.7x can give an impression of unconstrained capacity, but the cash balance is the true buffer and it is being drawn down. If free cash flow cycles lower as it did in 2025Q4, the company may need to moderate repurchases to preserve liquidity. This suggests the balance sheet is healthy today but its cushion is more dependent on continued cash generation than the ratios alone imply.