The company maintains a debt-to-equity ratio of 0.60, though the long-term accumulation of losses has resulted in a significant retained earnings deficit of $1.1B.
| 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'10 | Dec'09 |
|---|
| Total Current Assets | 252.55M | 242.05M | 409.45M | 266.33M | 369.69M | 112.15M | 47.12M | 45.77M | 37.25M | 47.66M | 50.19M | 61.65M | 73.38M | 28.09M | 22.28M | 43.82M | 33.79M |
| Cash & Short-Term Investments | 175.58M | 156.86M | 220.88M | 139.72M | 281.33M | 76.56M | 16.5M | 3.63M | 3.33M | 10.69M | 18.09M | 32.8M | 49.72M | 1.57M | 1.34M | 30.82M | 27.5M |
| Cash Only | 175.58M | 156.86M | 220.88M | 139.72M | 281.33M | 76.56M | 16.5M | 3.63M | 3.33M | 10.69M | 18.09M | 32.8M | 49.72M | 1.57M | 1.34M | 26.8M | 27.5M |
| Short-Term Investments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.02M | 0 |
| Accounts Receivable | 36.44M | 35.27M | 109.1M | 70M | 57.35M | 20.43M | 15.7M | 32.25M | 25.57M | 26.76M | 17.54M | 20.62M | 17.92M | 18.76M | 14.16M | 10.21M | 4.23M |
| Days Sales Outstanding | 86 | 47.49 | 87.97 | 107.02 | 116.06 | 61.3 | 57.14 | 84.47 | 89.41 | 87.51 | 54.36 | 61.44 | 63.89 | 79.54 | 81.46 | 86.2 | 54.01 |
| Inventory | 31.05M | 38.25M | 47.55M | 39.19M | 22.54M | 11.99M | 13.1M | 8.77M | 7.32M | 8.91M | 12.87M | 6.53M | 4.9M | 6.89M | 6.34M | 2.25M | 1.6M |
| Days Inventory Outstanding | 74 | 62.02 | 64.33 | 78.68 | 46.9 | 39.17 | 55.8 | 28.3 | 29.13 | 35 | 49.74 | 24.36 | 20.95 | 33.38 | 32.43 | 21.92 | 18.12 |
| Other Current Assets | 9.47M | 11.68M | 31.91M | 17.42M | 8.46M | 0 | 0 | 1.11M | 1.04M | 1.29M | 1.7M | 0 | 0 | 0 | 0 | 124K | 100K |
| Total Non-Current Assets | 157.93M | 164.63M | 485.7M | 436.72M | 273.73M | 70.8M | 50.3M | 57.73M | 61.77M | 76.15M | 84.48M | 78.43M | 71.67M | 62.35M | 73.03M | 44.97M | 30.94M |
| Property, Plant & Equipment | 116.62M | 122.55M | 480.13M | 434.44M | 271.21M | 69.31M | 50.22M | 57.65M | 61.7M | 76.07M | 84.39M | 78.32M | 71.49M | 62.02M | 72.64M | 42.62M | 29.76M |
| Fixed Asset Turnover | 1.54x | 2.21x | 0.94x | 0.55x | 0.67x | 1.75x | 2.00x | 2.42x | 1.69x | 1.47x | 1.40x | 1.56x | 1.43x | 1.39x | 0.87x | 1.01x | 0.96x |
| Goodwill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Intangible Assets | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Long-Term Investments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Assets | 41.31M | 42.08M | 5.57M | 2.28M | 2.52M | 1.5M | 84K | 84K | 73K | 86K | 89K | 105K | 175K | 331K | 390K | 2.35M | 1.18M |
| Total Assets | 410.48M | 406.68M | 895.14M | 703.05M | 643.42M | 182.95M | 97.42M | 103.5M | 99.02M | 123.81M | 134.67M | 140.07M | 145.04M | 90.44M | 95.3M | 88.8M | 64.73M |
| Asset Turnover | 0.50x | 0.67x | 0.51x | 0.34x | 0.28x | 0.66x | 1.03x | 1.35x | 1.05x | 0.90x | 0.87x | 0.87x | 0.71x | 0.95x | 0.67x | 0.49x | 0.44x |
| Asset Growth % | -147.67% | -54.57% | 27.32% | 9.27% | 251.68% | 87.79% | -5.87% | 4.52% | -20.02% | -8.06% | -3.86% | -3.43% | 60.37% | -5.1% | 7.33% | 37.17% | - |
| Total Current Liabilities | 87.8M | 62.02M | 110.11M | 78.09M | 78.94M | 36.55M | 13.93M | 30.43M | 23.07M | 21.57M | 18.13M | 17.41M | 20.21M | 31.55M | 21.14M | 19.1M | 12.03M |
| Accounts Payable | 13.61M | 13.24M | 44.36M | 51.09M | 54.73M | 17.44M | 5.35M | 12.6M | 12.39M | 10.65M | 13.06M | 10.68M | 14.2M | 7.11M | 9.08M | 5.6M | 2.93M |
| Days Payables Outstanding | 32.83 | 21.47 | 60.01 | 102.58 | 113.89 | 57 | 22.8 | 40.65 | 49.33 | 41.83 | 50.5 | 39.85 | 60.76 | 34.45 | 46.41 | 54.45 | 33.13 |
| Short-Term Debt | 34.25M | 34.57M | 23.78M | 0 | 0 | 0 | 1.61M | 3.12M | 4.18M | 3.75M | 0 | 0 | 0 | 18.74M | 1.34M | 247K | 262K |
| Deferred Revenue (Current) | 23.85M | 1.26M | 2.2M | 2.32M | 5.85M | 6.05M | 2.04M | 5.62M | 2.63M | 1.3M | 1.04M | 681K | 292K | 595K | 1.18M | 447K | 630K |
| Other Current Liabilities | 11.74M | 12.95M | 19.37M | 16.88M | 12.47M | 8.99M | 2.59M | 1.58M | 1.11M | 1.23M | 1.19M | 1.79M | 4.9M | 1.1M | 8.02M | 6.8M | 7.4M |
| Current Ratio | 2.88x | 3.90x | 3.72x | 3.41x | 4.68x | 3.07x | 3.38x | 1.50x | 1.61x | 2.21x | 2.77x | 3.54x | 3.63x | 0.89x | 1.05x | 2.29x | 2.81x |
| Quick Ratio | 2.52x | 3.29x | 3.29x | 2.91x | 4.40x | 2.74x | 2.44x | 1.22x | 1.30x | 1.80x | 2.06x | 3.17x | 3.39x | 0.67x | 0.75x | 2.18x | 2.68x |
| Cash Conversion Cycle | 127.17 | 88.03 | 92.28 | 83.12 | 49.07 | 43.48 | 90.15 | 72.11 | 69.21 | 80.69 | 53.6 | 45.96 | 24.08 | 78.47 | 67.48 | 53.67 | 39 |
| Total Non-Current Liabilities | 109.18M | 109.14M | 170.33M | 136.9M | 117.04M | 17.99M | 15.64M | 14.08M | 5.7M | 1.3M | 975K | 191K | 1.12M | 120.86M | 108.7M | 127.8M | 46.56M |
| Long-Term Debt | 68.31M | 79.8M | 137.09M | 114.99M | 103.58M | 0 | 2.06M | 0 | 0 | 0 | 0 | 0 | 0 | 119.57M | 108.62M | 7.82M | 247K |
| Capital Lease Obligations | 118.24M | 29.34M | 33.23M | 21.91M | 13.46M | 12.99M | 3.6M | 4.29M | 0 | 0 | 4K | 40K | 89K | 165K | 79K | 52K | 51K |
| Deferred Tax Liabilities | 0 | 0 | 0 | 0 | 0 | 0 | 434K | -9.79M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.79M | 5.7M | 1.3M | 971K | 151K | 1.03M | 1.12M | 0 | 119.93M | 46.26M |
| Total Liabilities | 196.98M | 171.16M | 280.44M | 214.99M | 195.98M | 54.55M | 29.57M | 44.51M | 28.77M | 22.87M | 19.11M | 17.6M | 21.33M | 152.41M | 129.85M | 146.9M | 58.58M |
| Total Debt | 128.82M | 143.71M | 197.38M | 138.77M | 119.4M | 15.24M | 8.31M | 8.45M | 4.18M | 3.75M | 39K | 107K | 165K | 138.56M | 110.08M | 8.14M | 575K |
| Net Debt | -46.76M | -13.15M | -23.5M | -951K | -161.93M | -61.33M | -8.19M | 4.82M | 854K | -6.94M | -18.05M | -32.7M | -49.55M | 136.98M | 108.74M | -18.66M | -26.93M |
| Debt / Equity | 0.60x | 0.61x | 0.32x | 0.28x | 0.27x | 0.12x | 0.12x | 0.14x | 0.06x | 0.04x | 0.00x | 0.00x | 0.00x | - | - | - | 0.09x |
| Debt / EBITDA | 0.47x | - | 2.50x | - | - | - | - | - | - | - | - | 0.03x | - | - | - | - | - |
| Net Debt / EBITDA | -0.17x | - | -0.30x | - | - | - | - | - | - | - | - | -8.95x | - | - | - | - | - |
| Interest Coverage | -17.60x | 0.94x | 2.26x | -7.60x | -15.19x | -160.98x | -89.87x | -34.87x | -64.73x | -103.44x | -76.33x | -34.26x | -0.32x | -0.56x | -1.58x | -2.90x | -5.07x |
| Total Equity | 213.5M | 235.52M | 614.71M | 488.06M | 447.44M | 128.41M | 67.85M | 58.99M | 70.25M | 100.94M | 115.56M | 122.47M | 123.72M | -61.97M | -34.55M | -58.1M | 6.15M |
| Equity Growth % | -174.02% | -61.69% | 25.95% | 9.08% | 248.45% | 89.25% | 15.02% | -16.03% | -30.4% | -12.65% | -5.64% | -1% | 299.65% | -79.38% | 40.55% | -1044.3% | - |
| Book Value per Share | 2.58 | 2.85 | 7.65 | 7.03 | 11.37 | 4.22 | 2.57 | 2.45 | 2.96 | 4.32 | 4.99 | 5.33 | 5.38 | -2.69 | -2.24 | -3.76 | 0.40 |
| Total Shareholders' Equity | 213.5M | 235.52M | 614.71M | 488.06M | 447.44M | 128.41M | 67.85M | 58.99M | 70.25M | 100.94M | 115.56M | 122.47M | 123.72M | -61.97M | -34.55M | -58.1M | 6.15M |
| Common Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26K | 26K |
| Retained Earnings | -1.07B | -1.05B | -660.23M | -673.6M | -627.79M | -545.05M | -507.96M | -486.15M | -471.58M | -437.14M | -417.52M | -405.5M | -399.08M | -332.76M | -285.15M | -196.18M | -186.26M |
| Treasury Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accumulated OCI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -92.7M | -82.53M | -71.98M | -62.25M | 0 | -43.22M | -36.56M | 8K | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Manufacturing scale-up execution risk
As reported in recent financial statements, total assets have declined from a peak of $895.1M in 2024Q4 to $410.5M in 2026Q1, signaling a significant recalibration of the company's capital footprint as it navigates the transition from heavy infrastructure investment to operational scaling.
The reduction in total assets appears to reflect the completion of major capital projects and a potential write-down or rationalization of the asset base. Investors should monitor whether this contraction represents a permanent shift toward a leaner operating model or a forced divestment due to persistent operational losses.
Based on the latest quarterly filings, the company maintains a debt-to-equity ratio of 0.60, which suggests that management has successfully avoided excessive leverage despite the substantial capital requirements needed to support the ongoing pivot toward the electric vehicle thermal barrier market segment.
While the debt load remains manageable relative to equity, the reliance on external financing to bridge the gap between R&D spending and commercial revenue warrants caution. The stability of this leverage ratio depends heavily on the company's ability to reach cash-flow break-even before further capital infusions are required.
According to recent SEC filings, the company holds $175.6M in cash as of 2026Q1, providing a current ratio of 2.88 that appears sufficient to sustain near-term operations while the firm continues to navigate the volatile ramp-up of its specialized manufacturing facilities.
The current liquidity position provides a necessary cushion against the ongoing cash burn observed in the income statement. However, the sustainability of this buffer is contingent upon the successful conversion of EV supply agreements into consistent, high-margin revenue streams.
As indicated by the company's balance sheet, retained earnings have deteriorated to a deficit of $1.1B as of 2026Q1, reflecting the long-term impact of persistent net losses and the high costs associated with developing proprietary aerogel technology for industrial and automotive applications.
The significant erosion of retained earnings highlights the historical difficulty in achieving profitability, which may limit the company's ability to return value to shareholders in the near term. This trend underscores the necessity for a successful transition to high-volume production to reverse the ongoing depletion of equity.
Based on reported figures, the net PPE value has decreased from $480.1M in 2024Q4 to $116.6M in 2026Q1, which may indicate aggressive depreciation or potential asset impairments that could mask the true underlying health of the company's manufacturing infrastructure.
The rapid decline in net PPE warrants further investigation into whether these assets are being utilized effectively or if they are becoming obsolete due to rapid changes in battery technology. Investors should be wary of the potential for future write-downs if the current manufacturing capacity fails to meet projected demand.
Quick answers to the most common questions about buying ASPN stock.
As of 2025, Aspen Aerogels, Inc. (ASPN) had total assets of $406.7M including $242.1M in current assets.
Aspen Aerogels, Inc. (ASPN) carries total debt of $143.7M, offset by $156.9M in cash and short-term investments. Comparing total debt to cash helps evaluate the company's debt burden and net leverage.
Aspen Aerogels, Inc. (ASPN) has total shareholders' equity (book value) of $235.5M ($2.85 book value per share). Book value represents the net worth of the company belonging to common stock holders.
Aspen Aerogels, Inc. (ASPN) reported a current ratio of 3.90x. A current ratio above 1.0x indicates that the company has more current assets than current liabilities, suggesting sufficient short-term liquidity.