Quantum-Si Incorporated Class A (QSI)
NASDAQ: QSIIndustrialsIndustrial Machinery/ComponentsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 1.23 +0.82%
QSI stock chart
Technical analysisKey statistics
All statistics- Market cap
- $267.04M
- EPS (TTM)
- -$0.45
- Dividend yield
- None
- 52-week range
- 0.69 – 3.10
- Day range
- 1.20 – 1.30
- Volume / Avg
- 5.73M / 4.15M
- Beta
- —
- Shares outstanding
- 198.95M
- Next earnings
- Nov 4, 2026
52-week range
QSI stock today
On Oct 8, QSI ended the session at $1.22, shedding $0.06 (4.69%), versus the S&P 500's 0.47% decline. Shares are 60.6% below their 52-week high of $3.10, set on Oct 16, 2025 and 76.8% above the 52-week low of $0.69, in the middle of the past year's range. QSI is up 10.9% year to date, underperforming the S&P 500 (+13.5%). Over the past 12 months, the stock has lost 31.1%.
Quantum-Si has posted a net loss over the last twelve months (EPS of -$0.45), so its P/E ratio is not meaningful. Quantum-Si's next earnings report is expected on Nov 4, 2026.
Summary generated from market data by MetaCap's automated system. Methodology
About Quantum-Si
Company profileQuantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS. It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results.
- Sector
- Industrials
- Industry
- Industrial Machinery/Components
- CEO
- Mr. Jeffrey Alan Hawkins
- Headquarters
- Branford, CT
- Employees
- 145
- IPO year
- 2020
- Website
- quantum-si.com
Analyst forecast
ForecastConsensus (3 analysts)
buy
Avg. price target
$2.28+86.89%
- Strong buy 0
- Buy 2
- Hold 1
- Sell 0
- Strong sell 0
Target range
Ratings and targets reflect third-party analyst opinions, not MetaCap recommendations.
Earnings
Earnings history- Next report
- Nov 4, 2026
- EPS estimate
- $-0.13
QSI news
All QSI newsQuantum-Si peers
Industrials sector| Company | Price | % Chg | Market cap | Compare |
|---|---|---|---|---|
| AIRJAirJoule Technologies Corporation Class A | 3.69 | +0.27% | $270.65M | vs QSI |
| AZA2Z Cust2Mate Solutions Corp. | 5.83 | -1.35% | $256.67M | vs QSI |
| ASYSAmtech Systems Inc. | 16.21 | -7.90% | $283.81M | vs QSI |
| CUBLionheart Holdings Class A | 10.91 | +0.05% | $285.31M | vs QSI |
| ELVAElectrovaya Inc. | 5.79 | -9.11% | $286.65M | vs QSI |
| VELOVelo3D Inc. | 8.98 | -1.32% | $288.70M | vs QSI |
| GPROGoPro Inc. Class A | 1.18 | -3.28% | $243.50M | vs QSI |
| ACUAcme United Corporation. | 61.94 | -0.06% | $237.47M | vs QSI |
Indexes, lists and sector
Quantum-Si stock FAQ
What is Quantum-Si's stock price today?
QSI last traded at $1.22 as of Oct 8, 4:00 PM EDT, down 4.69% on the day. Prices are delayed at least 15 minutes.
When is Quantum-Si's next earnings date?
Quantum-Si is expected to report earnings on Wednesday, November 4, 2026. Analysts expect EPS of $-0.13.
Who is Quantum-Si's CEO?
Mr. Jeffrey Alan Hawkins is the chief executive officer of Quantum-Si Incorporated Class A, which has about 145 employees.
What is the QSI 52-week high?
The 52-week high for QSI is $3.10 and the 52-week low is $0.69. The stock is currently 60.6% below its high.