C3is vs Rubico
C3is is the larger business, with $34.8m of revenue in fiscal 2025 against $23.5m for Rubico (1.5 times as much). Rubico grew faster (-2.8% against -17.8%). C3is kept more of each dollar of sales as profit: a net margin of 30.1% against 11.2%. C3is carries less debt relative to equity (0.0% against 182.6%).
| Latest fiscal year | C3isCISS, 2025 | RubicoRUBI, 2025 |
|---|---|---|
| Revenue | $34.8m | $23.5m |
| Revenue growth | -17.8% | -2.8% |
| Net income | $10.5m | $2.6m |
| Operating margin | 3.9% | 52.7% |
| Net margin | 30.1% | 11.2% |
| Return on equity | 12.6% | 6.6% |
| Free cash flow | $3.8m | −$8.6m |
| Cash | $616,640 | $4.0m |
| Total debt | $0 | $83.6m |
| Debt to equity | 0.0% | 182.6% |
| Dividend per share | — | — |
| Dividend yield | — | — |
| Share buybacks | — | — |
| Employees | — | — |
| Market value | $329,570 | $751,496 |
| Price vs our value range | — | — |
| Moat score | — | — |
| Insider trades, 12 months | 0 buys, 0 sales | 1 buys, 1 sales |