Quantum-Si (NASDAQ:QSI) Stock Bumped Down to “Sell” by Wall Street Zen

Posted by George Bondi on Oct 20th, 2026

Wall Street Zen cut shares of Quantum-Si (NASDAQ:QSI – Free Report) from a hold rating to a sell rating in a report released on Monday morning,Wall Street Zen reports.

Other equities analysts have also recently issued research reports about the company. Alliance Global Partners reissued a “buy” rating on shares of Quantum-Si in a report on Friday, August 14th. Weiss Ratings upgraded Quantum-Si from a “sell (e+)” rating to a “sell (d-)” rating in a research note on Thursday, September 24th. Finally, HC Wainwright set a $4.00 target price on Quantum-Si in a report on Friday, October 9th. Two analysts have rated the stock with a Buy rating, one has given a Hold rating and one has assigned a Sell rating to the company. According to data from MarketBeat, Quantum-Si has an average rating of “Hold” and an average price target of $2.50.

Check Out Our Latest Stock Report on QSI

Quantum-Si Price Performance

Shares of Quantum-Si stock opened at $1.09 on Monday. The firm has a fifty day moving average price of $0.92 and a 200 day moving average price of $0.92. Quantum-Si has a 1 year low of $0.69 and a 1 year high of $2.73. The stock has a market cap of $238.58 million, a PE ratio of -2.37 and a beta of 3.21.

Quantum-Si (NASDAQ:QSI – Get Free Report) last posted its earnings results on Thursday, August 13th. The company reported ($0.11) earnings per share (EPS) for the quarter, meeting analysts’ consensus estimates of ($0.11). Quantum-Si had a negative net margin of 6,138.26% and a negative return on equity of 47.12%. The company had revenue of $0.34 million during the quarter, compared to the consensus estimate of $0.30 million. As a group, equities analysts expect that Quantum-Si will post -0.47 EPS for the current year.

Institutional Trading of Quantum-Si

A number of hedge funds have recently added to or reduced their stakes in the company. Renaissance Technologies LLC purchased a new position in shares of Quantum-Si in the 1st quarter valued at about $91,000. WINTON GROUP Ltd acquired a new position in Quantum-Si in the 2nd quarter worth about $67,000. Green Alpha Advisors LLC acquired a new position in Quantum-Si in the 2nd quarter worth about $41,000. Corient Private Wealth LP purchased a new position in Quantum-Si during the second quarter worth approximately $34,000. Finally, IPG Investment Advisors LLC purchased a new position in Quantum-Si during the second quarter worth approximately $27,000. 39.90% of the stock is owned by hedge funds and other institutional investors.

Quantum-Si Company Profile

(Get Free Report)

Quantum-Si Incorporated (NASDAQ:QSI) is a life sciences technology company focused on advancing proteomics, the study of proteins and their functions. The company develops tools intended to make protein analysis more accessible, scalable and cost-effective for researchers, pharmaceutical companies, biotechnology firms and academic institutions.

Its primary offering is the Platinum platform, which combines a benchtop protein sequencing instrument with single-use consumables and software.