Compare
ZeroStack Corp. vs Big Digital Energy, Inc. vs Soluna Holdings, Inc vs Vulcan Infrastructure & Power Inc.
| Latest fiscal year | ZeroStack Corp. ZSTK | Big Digital Energy, Inc. BGDE | Soluna Holdings, Inc SLNH | Vulcan Infrastructure & Power Inc. VIP |
|---|---|---|---|---|
| Year ended | 2025-12-31 | 2025-12-31 | 2025-12-31 | 2025-12-31 |
| Revenue | $35.68M | $39.75M | $29.72M | $58.78M |
| Revenue growth (YoY) | -0.5% | -32.9% | -21.8% | -1.3% |
| Gross margin | 4.6% | 43.6% | 21.7% (computed) | n/a |
| Operating margin | -433.5% | -48.5% | -113.3% | -6.5% |
| Net margin | -335.6% | -59.5% | -179.7% | 9.0% |
| Net income | -$119.73M | -$23.66M | -$53.41M | $5.29M |
| EPS (Diluted) | -$43.49 | -$20.11 | -$2.38 | $0.34 |
| Operating cash flow | -$8.68M | -$6.90M | -$9.15M | -$14.99M |
| Free cash flow | -$8.80M | -$7.05M | -$37.21M | n/a |
| Cash & equivalents | $5.60M | $13.27M | n/a | $19.57M |
| Total assets | $130.24M | $57.44M | $187.94M | $53.55M |
| Total liabilities | $59.68M | $60.56M | $75.70M | $99.86M |
| Shareholders' equity | $70.55M | -$3.12M | $53.55M | -$46.30M |
| Return on year-end equity | -169.7% | n/a | -99.7% | n/a |
| Shares outstanding | 1.05M | 939.6K | 102.53M | 15.80M |
Revenue, most recent five fiscal years
| Fiscal year | ZeroStack Corp. | Big Digital Energy, Inc. | Soluna Holdings, Inc | Vulcan Infrastructure & Power Inc. |
|---|---|---|---|---|
| Latest | $35.68M Ended 2025-12-31 | $39.75M Ended 2025-12-31 | $29.72M Ended 2025-12-31 | $58.78M Ended 2025-12-31 |
| 1 year earlier | $35.87M Ended 2024-12-31 | $59.27M Ended 2024-12-31 | $38.02M Ended 2024-12-31 | $59.53M Ended 2024-12-31 |
| 2 years earlier | $76.07M Ended 2023-12-31 | $43.57M Ended 2023-12-31 | $21.07M Ended 2023-12-31 | $70.39M Ended 2023-12-31 |
| 3 years earlier | $33.40M Ended 2022-12-31 | $84.39M Ended 2022-12-31 | $28.55M Ended 2022-12-31 | $89.98M Ended 2022-12-31 |
| 4 years earlier | $8.98M Ended 2021-12-31 | $43.86M Ended 2021-12-31 | $14.35M Ended 2021-12-31 | $97.33M Ended 2021-12-31 |