Quantum-Si (QSI) – Investment Analysts’ Recent Ratings Updates

A number of firms have modified their ratings and price targets on shares of Quantum-Si (NASDAQ: QSI) recently:

• 10/27/2026 – Quantum-Si was upgraded by Wall Street Zen from “sell” to “hold”.
• 10/19/2026 – Quantum-Si was downgraded by Wall Street Zen from “hold” to “sell”.
• 10/11/2026 – Quantum-Si was upgraded by Wall Street Zen from “sell” to “hold”.
• 10/9/2026 – Quantum-Si was given a new $4.00 price target by HC Wainwright.
• 10/3/2026 – Quantum-Si was downgraded by Wall Street Zen from “hold” to “sell”.
• 9/29/2026 – Quantum-Si had its “buy” rating reaffirmed by HC Wainwright. They now have a $4.00 price target on the stock.
• 9/24/2026 – Quantum-Si was upgraded by Weiss Ratings from “sell (e+)” to “sell (d-)”.
• 9/12/2026 – Quantum-Si was upgraded by Wall Street Zen from “sell” to “hold”.
• 9/9/2026 – Quantum-Si was downgraded by Weiss Ratings from “sell (d-)” to “sell (e+)”.

Quantum-Si Incorporated (NASDAQ:QSI) is a life sciences technology company focused on transforming protein analysis through next-generation proteomics. The company develops tools designed to identify and characterize proteins at the single-molecule level, with potential applications in drug discovery, translational research, diagnostics development and precision medicine.

Its primary offering is the Platinum platform, which combines a benchtop sequencing instrument, semiconductor-based technology, consumables and data-analysis software.