The company maintains a conservative capital structure with a debt-to-equity ratio of 0.35 as of 2025Q4, though total assets have eroded to $72.1 million from $148.3 million in 2023Q4.
| 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 |
|---|
| Total Current Assets | 66.27T | 71.78M | 104.07M | 147.81M | 181.02M | 232.75M | 83.06M | 75.17M | 94.77M | 43.97M | 25.13M | 28.09M | 8.76M | 3.27M | 1.98M | 255.17K |
| Cash & Short-Term Investments | 65T | 70.04M | 101.15M | 142.82M | 174.3M | 229.79M | 77.86M | 73.36M | 93.6M | 42.95M | 24.91M | 27.59M | 8.53M | 3.26M | 1.22M | 250.96K |
| Cash Only | 65T | 70.04M | 54.53M | 142.82M | 144.42M | 229.79M | 77.86M | 44.43M | 47.36M | 20.02M | 12.02M | 14.65M | 8.53M | 3.26M | 1.22M | 250.96K |
| Short-Term Investments | 0 | 0 | 46.62M | 0 | 29.88M | 0 | 0 | 28.94M | 46.24M | 22.92M | 12.9M | 12.94M | 0 | 0 | 0 | 0 |
| Accounts Receivable | 0 | 0 | 0 | 0 | 3.24M | 28.77K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 750.44K | 0 |
| Days Sales Outstanding | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Days Inventory Outstanding | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Current Assets | 1.27T | 1.34M | 2.51M | 4.65M | 3.05M | 2.5M | 4.79M | 1.4M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total Non-Current Assets | 209.26B | 275.86K | 534.22K | 516.58K | 268.54K | 384.35K | 293.24K | 349.46K | 321.87K | 209.19K | 56.35K | 116.57K | 27.23K | 472.47K | 0 | 3.74K |
| Property, Plant & Equipment | 209.26B | 275.86K | 266.95K | 516.58K | 268.54K | 384.35K | 293.24K | 349.46K | 235.22K | 43.26K | 56.35K | 80.33K | 12.99K | 0 | 0 | 3.74K |
| Fixed Asset Turnover | 0.00x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Goodwill | 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 |
| Long-Term Investments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Assets | 0 | 0 | 267.26K | 0 | 0 | 0 | 0 | 0 | 86.64K | 165.93K | 0 | 36.24K | 14.24K | 472.47K | 0 | 0 |
| Total Assets | 66.48T | 72.06M | 104.61M | 148.33M | 181.29M | 233.14M | 83.35M | 75.52M | 95.09M | 44.17M | 25.19M | 28.2M | 8.79M | 3.74M | 1.98M | 258.9K |
| Asset Turnover | 0.00x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Asset Growth % | 71336858.8% | -31.11% | -29.48% | -18.18% | -22.24% | 179.7% | 10.37% | -20.58% | 115.26% | 75.38% | -10.7% | 220.98% | 134.75% | 89.34% | 663.61% | - |
| Total Current Liabilities | 24.33T | 27.81M | 18.6M | 22.26M | 15.36M | 11.77M | 12.41M | 12.91M | 8.47M | 3.35M | 2.3M | 2.12M | 1.33M | 605.01K | 363.43K | 2.59M |
| Accounts Payable | 141.36B | 158.46K | 180.45K | 1.34M | 133.63K | 1.02M | 381.64K | 808.3K | 3.05M | 1M | 275.44K | 851.16K | 341.29K | 341.85K | 72.54K | 25.3K |
| Days Payables Outstanding | 193.68M | - | - | - | - | - | - | 3.06K | 15.69K | 9.65K | - | - | - | - | - | - |
| Short-Term Debt | 15.51T | 15.25M | 31.37K | 15.15M | 911.76K | 0 | 3.66M | 0 | 0 | 116.32K | 77.55K | 77.55K | 77.55K | 143.16K | 166.67K | 2.2M |
| Deferred Revenue (Current) | 6T | 6M | 6M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.09K | 0 | 0 |
| Other Current Liabilities | 2.67T | 4.27M | 4.33M | 3.09M | 3.82M | 1.51M | 1.32M | 1.49M | 1.17M | 788.57K | 983.45K | 413.17K | 444.79K | 8.84K | 12.88K | 75K |
| Current Ratio | 2.72x | 2.58x | 5.59x | 6.64x | 11.78x | 19.77x | 6.69x | 5.82x | 11.18x | 13.11x | 10.93x | 13.28x | 6.60x | 5.41x | 5.44x | 0.10x |
| Quick Ratio | 2.72x | 2.58x | 5.59x | 6.64x | 11.78x | 19.77x | 6.69x | 5.82x | 11.18x | 13.11x | 10.93x | 13.28x | 6.60x | 5.41x | 5.44x | 0.10x |
| Cash Conversion Cycle | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total Non-Current Liabilities | 0 | 0 | 15M | 6.27M | 14.92M | 15.63M | 11.43M | 14.53M | 0 | 1.22M | 1.24M | 1.21M | 1.18M | 1.52M | 26.77M | 0 |
| Long-Term Debt | 0 | 0 | 15M | 0 | 14.92M | 15.5M | 11.43M | 14.53M | 0 | 1.22M | 1.24M | 1.21M | 1.18M | 1.13M | 266.25K | 0 |
| Capital Lease Obligations | 143.45K | 0 | 0 | 271.63K | 0 | 125.23K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Tax Liabilities | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.91M | 26.5M | 0 |
| Total Liabilities | 24.33T | 27.81M | 33.6M | 28.53M | 30.28M | 27.4M | 23.84M | 27.44M | 8.47M | 4.57M | 3.54M | 3.33M | 2.5M | 2.13M | 27.13M | 2.59M |
| Total Debt | 15.51T | 15.53M | 15.3M | 15.66M | 16.08M | 15.86M | 15.33M | 14.75M | 0 | 1.34M | 1.32M | 1.29M | 1.25M | 1.27M | 432.92K | 2.2M |
| Net Debt | -49.49T | -54.51M | -39.22M | -127.17M | -128.34M | -213.93M | -62.53M | -29.67M | -47.36M | -18.69M | -10.7M | -13.36M | -7.27M | -1.99M | -790.72K | 1.95M |
| Debt / Equity | 0.37x | 0.35x | 0.22x | 0.13x | 0.11x | 0.08x | 0.26x | 0.31x | - | 0.03x | 0.06x | 0.05x | 0.20x | 0.79x | - | - |
| Debt / EBITDA | -551526.19x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net Debt / EBITDA | 1759503.76x | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Interest Coverage | -13.78x | -16.76x | -28.00x | -17.13x | -35.61x | -32.16x | -19.13x | -101.90x | -263.95x | -195.91x | -176.23x | -106.66x | -20.24x | 82.98x | -66.47x | -7.49x |
| Total Equity | 42.16T | 44.25M | 71M | 119.8M | 151.01M | 205.74M | 59.51M | 48.08M | 86.62M | 39.6M | 21.65M | 24.88M | 6.28M | 1.61M | -25.15M | -2.33M |
| Equity Growth % | 66285523.67% | -37.68% | -40.73% | -20.67% | -26.6% | 245.72% | 23.76% | -44.49% | 118.73% | 82.92% | -12.98% | 295.9% | 289.14% | 106.42% | -977.5% | - |
| Book Value per Share | 698897.40 | 0.74 | 1.19 | 2.03 | 2.59 | 3.81 | 1.75 | 1.77 | 3.99 | 2.49 | 1.91 | 2.88 | 1.63 | 0.34 | -20.95 | -0.49 |
| Total Shareholders' Equity | 42.16T | 44.25M | 71M | 119.8M | 151.01M | 205.74M | 59.51M | 48.08M | 86.62M | 39.6M | 21.65M | 24.88M | 6.28M | -1.9M | -25.15M | -2.33M |
| Common Stock | 60.32B | 60.16K | 59.65K | 59.2K | 58.56K | 58.08K | 38.67K | 28.66K | 26.24K | 19.14K | 12.58K | 9.71K | 5.57K | 327 | 314 | 3.77K |
| Retained Earnings | -487.41T | -483.96M | -450.11M | -394.26M | -356.72M | -294.69M | -236.92M | -199.36M | -138.54M | -99.64M | -77.3M | -58.6M | -46.51M | -41.32M | -54.38M | -15.52M |
| Treasury Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accumulated OCI | 0 | 0 | 37.44K | 0 | -103.94K | 0 | 0 | 5.87K | -9.22K | -17.83K | 129 | -8.36K | 0 | 0 | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Regulatory and liquidity constraints
As reported in financial statements, total assets have declined from $148.3 million in 2023Q4 to $72.1 million by 2025Q4, illustrating a consistent contraction in the company's resource base as it funds ongoing clinical development without the benefit of recurring commercial revenue streams.
The steady reduction in total assets suggests that the company is consuming its capital reserves to sustain R&D activities. This trajectory indicates that the business model remains entirely dependent on external financing or milestone payments to maintain its operational viability.
Based on recent SEC filings, the company's cash position has fallen from $142.8 million in 2023Q4 to $70.0 million in 2025Q4, signaling a tightening liquidity buffer that leaves little room for error regarding the timing of regulatory milestones or potential clinical trial delays.
While the current ratio remains above 2.5, the absolute decline in cash reserves highlights the high cost of maintaining late-stage ocular programs. Investors should monitor whether this liquidity level is sufficient to reach a commercial inflection point without necessitating further dilutive equity offerings.
According to the provided quarterly data, the company maintains a conservative debt-to-equity ratio of 0.35 as of 2025Q4, suggesting that management has avoided significant debt financing in favor of equity-based capital raises to fund its pre-revenue clinical development pipeline.
The low debt load is a prudent choice for a pre-revenue biotech, as it avoids interest expense burdens that would further exacerbate net losses. However, the reliance on equity financing implies that shareholders remain exposed to significant dilution risk as the company seeks to extend its cash runway.
As indicated by the company's financial disclosures, the retained earnings deficit has expanded significantly to -$484.0 million by 2025Q4, reflecting the cumulative impact of years of heavy R&D investment without corresponding commercial product revenue to offset these substantial operating expenses.
The persistent growth of the accumulated deficit underscores the high-risk nature of the company's R&D-heavy business model. This trend suggests that the equity base is being eroded by ongoing losses, placing increased pressure on the success of the reproxalap program to eventually reverse this long-term trend.
Quick answers to the most common questions about buying ALDX stock.
As of 2025, Aldeyra Therapeutics, Inc. (ALDX) had total assets of $72.1M including $71.8M in current assets.
Aldeyra Therapeutics, Inc. (ALDX) carries total debt of $15.5M, offset by $70.0M in cash and short-term investments. Comparing total debt to cash helps evaluate the company's debt burden and net leverage.
Aldeyra Therapeutics, Inc. (ALDX) has total shareholders' equity (book value) of $44.3M ($0.74 book value per share). Book value represents the net worth of the company belonging to common stock holders.
Aldeyra Therapeutics, Inc. (ALDX) reported a current ratio of 2.58x. A current ratio above 1.0x indicates that the company has more current assets than current liabilities, suggesting sufficient short-term liquidity.