Quantum-Si incorporated (QSI) Revenue History
Annual and quarterly revenue from 2019 to 2025
Compound Annual Growth Rate (CAGR)
Loading revenue history...
QSI Revenue Growth
Revenue Breakdown (FY 2025)
QSI's revenue distribution by segment and geography for fiscal year 2025
By Product/Segment
By Geography
QSI Revenue Analysis (2019–2025)
As of May 8, 2026, Quantum-Si incorporated (QSI) generated trailing twelve-month (TTM) revenue of $1.9 million, reflecting significant decline in growth of -69.4% year-over-year. The most recent quarter (Q1 2026) recorded $258,000 in revenue, down 42.8% sequentially.
Looking at the longer-term picture, QSI's historical revenue data shows various trends over time. The company achieved its highest annual revenue of $3.1 million in 2024.
Revenue diversification analysis shows QSI's business is primarily driven by Product (94%), and Service (6%). With over half of revenue concentrated in Product, the company maintains significant focus in this area while developing other growth vectors.
When compared to Healthcare sector peers including PACB (+3.9% YoY), CDNA (+19.2% YoY), and ACMR (+15.2% YoY), QSI has underperformed the peer group in terms of revenue growth. Compare QSI vs PACB →
QSI Revenue vs Peers
Revenue metrics vs comparable public companies
| Company | TTM Revenue | YoY Growth | 5Y CAGR | Op. Margin | Compare |
|---|---|---|---|---|---|
| QSICurrent | $2M | -69.4% | - | -3983.9% | |
 PACB | $160M | +3.9% | +15.2% | -348.5% | |
 CDNA | $380M | +19.2% | +14.6% | -5.5% | |
 ACMR | $901M | +15.2% | +41.9% | 12.1% | |
 ILMN | $4.3B | +1.2% | +6.0% | 19.9% | |
 FLGT | $323M | +13.8% | -5.2% | -28.2% |
QSI Historical Revenue Data (2019–2025)
| Year | Revenue | YoY % | Gross Profit | Gross Margin | Op. Income | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | $2.4M | -20.3% | $-3,301,000 | -135.5% | $-97,048,000 | -3983.9% |
| 2024 | $3.1M | +182.6% | $1.6M | 52.3% | $-108,576,000 | -3550.6% |
| 2023 | $1.1M | - | $488K | 45.1% | $-111,171,000 | -10274.6% |
| 2022 | $0 | - | $0 | - | $-123,841,000 | - |
| 2021 | $0 | - | $0 | - | $-96,908,000 | - |
| 2020 | $0 | - | $0 | - | $-36,691,000 | - |
| 2019 | $0 | - | $0 | - | $-36,620,000 | - |
See QSI's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs QSI Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare QSI vs DBVT
Side-by-side business, growth, and profitability comparison vs DBV Technologies S.A..
Start ComparisonQSI — Frequently Asked Questions
Quick answers to the most common questions about buying QSI stock.
Is QSI's revenue growth accelerating or slowing?
QSI revenue declined -69.4% year-over-year, contrasting with the 5-year CAGR of N/A. TTM revenue fell to $2M. This reverses the prior growth trend.
What is QSI's long-term revenue growth rate?
Quantum-Si incorporated's 5-year revenue CAGR of N/A reflects the variable expansion pattern. Current YoY growth of -69.4% is below this long-term average.
How is QSI's revenue distributed by segment?
QSI reports revenue by product line and geographic region. Annual and quarterly breakdowns from 2019-2025 are available for download. Segment mix reveals concentration and diversification trends.