2m 2m 2m 2m 2m 2m 2m
- $182.2MMarket Cap
- -44.17%1-Year Change
- Medical DevicesIndustry
Quantum-Si-A (QSI)
Key Performance
More- Earnings Score: N/A
- Momentum Score: 30
- True Yield: N/A
- Financial Health Score: N/A
Latest Research & News
Why Quantum-Si Stock Flopped on Friday
Quantum-Si filed a shelf registration with the SEC to potentially raise up to $300 million through various securities, causing investor concern about potential stock dilution and leading to a nearly 5% stock price decline.
10/10/2025, 4:35 PM • The Motley Fool
Russell 2000 Hits All-Time Highs: 8 Stocks Power Small-Cap Comeback
The Russell 2000 index reached an all-time high after the Federal Reserve signaled potential interest rate cuts, boosting small-cap stocks and providing cheaper borrowing opportunities for smaller companies.
09/18/2025, 3:08 PM • Benzinga
Peers
Statistics
MoreInformation as of 06/22/2026
Company Profile
Quantum-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. The company was founded in 2013 and is headquartered in Branford, Connecticut.
Key Executives
- Jeffrey Alan Hawkins
- Jeffry R. Keyes
- John S. Vieceli
- Christian Lapointe
- Jonathan Rothberg
Current Ownership Distribution
- Institutions975.8M (72.80%)
- Mutual Funds314.8M (23.48%)
- Insiders49.9M (3.72%)
- Other0 (0.00%)