Quantum-Si Inc. $QSI reported second-quarter 2026 revenue of $344,000, topping the analyst estimate of $305,020. The company’s diluted loss per share came in at -$0.11, slightly better than expectations.
The quarter remained deeply unprofitable, with gross profit of $172,000 and an operating loss of $25.6 million. Net loss attributable to common shareholders was $23.5 million, while cash used in operating activities totaled $18.4 million.
On the balance sheet, Quantum-Si ended the period with $23.7 million in cash and cash equivalents and $13.4 million in total liabilities. Shares fell 1.19% after the market close following the release.
- Revenue: $344,000
- Diluted EPS: -$0.11
- Net loss: $23.5 million
- Cash and cash equivalents: $23.7 million
Note: This financials data is sourced from a third-party provider and has not been independently verified by Quiver.
Quantum-Si Inc. Insider Trading Activity
Quantum-Si Inc. insiders have traded $QSI stock on the open market 22 times in the past 6 months. Of those trades, 2 have been purchases and 20 have been sales.
Here’s a breakdown of recent trading of $QSI stock by insiders over the last 6 months:
- CHARLES R. KUMMETH purchased 500,000 shares for an estimated $459,800
- JEFFREY ALAN HAWKINS (President & CEO) has made 0 purchases and 6 sales selling 213,822 shares for an estimated $208,444.
- PAULA DOWDY purchased 109,890 shares for an estimated $104,450
- JEFFRY R. KEYES (Chief Financial Officer) has made 0 purchases and 6 sales selling 91,651 shares for an estimated $89,703.
- JOHN S. VIECELI (Chief Product Officer) has made 0 purchases and 4 sales selling 52,220 shares for an estimated $46,469.
- CHRISTIAN LAPOINTE (GC & Corp. Secretary) has made 0 purchases and 4 sales selling 27,547 shares for an estimated $24,481.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
Quantum-Si Inc. Hedge Fund Activity
We have seen 58 institutional investors add shares of Quantum-Si Inc. stock to their portfolio, and 100 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- BLACKROCK, INC. removed 8,189,597 shares (-61.0%) from their portfolio in Q2 2026, for an estimated $7,247,793
- STATE STREET CORP removed 2,879,948 shares (-76.4%) from their portfolio in Q2 2026, for an estimated $2,548,753
- CITADEL ADVISORS LLC removed 2,660,551 shares (-99.4%) from their portfolio in Q1 2026, for an estimated $2,059,266
- AQR CAPITAL MANAGEMENT LLC added 2,305,490 shares (+2659.5%) to their portfolio in Q1 2026, for an estimated $1,784,449
- GEODE CAPITAL MANAGEMENT, LLC removed 1,598,595 shares (-41.7%) from their portfolio in Q2 2026, for an estimated $1,414,756
- TWO SIGMA INVESTMENTS, LP removed 1,331,257 shares (-96.2%) from their portfolio in Q1 2026, for an estimated $1,030,392
- JANE STREET GROUP, LLC removed 1,104,033 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $854,521
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
