Quantum-Si Inc (NASDAQ:QSI)
| Market Cap | 282.89M-2.0% |
| Revenue (ttm) | 1.60M-53.0% |
| Net Income | -98.52M+7.5% |
| EPS | -0.46+31.7% |
| Shares Out | 197.82M |
| PE Ratio | n/a |
| Forward PE | n/a |
| Dividend | n/a |
| Ex-Dividend Date | n/a |
| Volume | 32,524,337 |
| Open | 1.20 |
| Previous Close | 1.07 |
| Day's Range | 1.15 - 1.48 |
| 52-Week Range | 0.69 - 3.10 |
| Beta | 3.25 |
| Analysts | Buy |
| Price Target | 1.90(+32.87%) |
| Earnings Date | Nov 4, 2026 |
Quantum-Si Inc has a live Insider Score.
Scored on 0 qualifying trades from 0 insiders in the last 90 days.
About QSI
Quantum-Si incorporated operates within the life sciences sector, focusing on the creation of an advanced platform for individual molecule detection. This innovative technology is designed to streamline sample preparation and subsequent sequencing processes. The company offers a unique, proprietary single molecule detection system that draws on advancements from the semiconductor industry. This system is specifically applied to the field of proteomics, paving the way for next-generation protein sequencing. Established in 2013, Quantum-Si's headquarters are located in Guilford, Connecticut.
What Are Insiders Doing?
View the trades behind this meter — each links to its SEC Form 4 →
Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.
$QSI stock is featured in our Insider Score Rankings, and Insider Trades datasets.
→ All Stock ListsRecently reported changes in QSI holdings by institutional investors
Latest 0 13F filings · Source: SEC EDGAR
View all institutional owners →Insider Trading
Quarterly net insider trading by QSI's directors and management
Source: SEC EDGAR (Form 4)
Corporate Lobbying
QSI Estimated quarterly lobbying spending
Source: U.S. Senate LDA
QSI Revenue by Segment or Geography
As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)
U.S. Patents
New QSI patent grants
Source: USPTO Open Data Portal
Government Contracts
Estimated quarterly amount awarded to QSI from public contracts
Source: USAspending.gov
Top ETF Holders
ETFs with the largest estimated holdings in QSI
| ETF | Est. Holding Size |
|---|---|
| ARKGARK Genomic Revolution ETF | $7.44M |
| VTIVanguard Morningstar Total Stock Market ETF | $4.10M |
| VXFVanguard Extended Market ETF | $1.59M |
| IBBiShares Biotechnology ETF | $1.01M |
| PRFZInvesco RAFI US 1500 Small-Mid ETF | $455.92K |
| VHTVanguard Health Care ETF | $385.39K |
Estimated from each fund’s disclosed top holdings × AUM
QSI Insider Score
Our composite score: insider buying, sector, volume, tone & dilution
Bull Case vs Bear Case
AI-generated from QSI’s recent data — informational, not investment advice
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