Quantum Si Inc Class A (QSI) financials
Quantum Si revenue and earnings by year
Quantum Si's revenue was $2.44 million in the fiscal year to December 31, 2025, down 20.3% from the year before. Net income was -$101 million, -4160.1% of revenue.
Fiscal years, each labelled by the calendar year it ended in.
Income statement, the last 3 fiscal years
| Fiscal year to | Dec 2025 | Dec 2024 | Dec 2023 |
|---|---|---|---|
| Revenue | 2 | 3 | 1 |
| Revenue growth | -20.3% | 182.6% | — |
| Gross profit | 1 | 2 | 0 |
| Gross margin | 47.3% | 52.3% | 45.1% |
| Operating income | -116 | -109 | -111 |
| Operating margin | -4766.0% | -3550.6% | -10274.6% |
| Net income | -101 | -101 | -96 |
| Net margin | -4160.1% | -3303.0% | -8868.8% |
| Diluted EPS | -$0.51 | -$0.71 | -$0.68 |
| Free cash flow | -97 | -92 | -99 |
Diluted EPS is stated in today's shares (adjusted for every split since). Quarterly statements and the income statement as a flow chart are in the app: open QSI in Markets.
How Quantum Si makes money
Revenue by segment in the quarter to June 30, 2026, as the company reports it.
| Segment | Revenue | Share |
|---|---|---|
| Product | $314K | 91.3% |
| Services | $30.0K | 8.7% |
See also: QSI returns
No forecast, no recommendation. This page describes Quantum Si Inc Class A from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.