QSI — QUANTUM SI INC

Ownership history in Squarepoint Ops LLC  ·  5 quarters on record

This page tracks every 13F SEC filing in which Squarepoint Ops LLC reported a position in QUANTUM SI INC (QSI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 613,475 +595,960 +3402.6% 0.00% $865K $1.41
2023 Q4 REDUCED 17,515 -78,927 -81.8% 0.00% $35K $2.01
2022 Q4 ADDED 96,442 +1,362 +1.4% 0.00% $176K $1.83
2022 Q1 ADDED 95,080 +74,508 +362.2% 0.00% $445K $4.68
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% of Fund (quarterly)    QSI price (monthly, adj. close)

Other funds also holding QSI

As of 2025 Q4 — sorted by position size

Fosun International Ltd 3Y 7Y 0.19% Amova Asset Management Americas, Inc. 3Y 7Y 0.06% Green Alpha Advisors, LLC 3Y 0.05% ARK Investment Management LLC 3Y 7Y 0.05% Scientech Research LLC 0.03% Knollwood Investment Advisory, LLC 0.03% IQ EQ FUND MANAGEMENT (IRELAND) Ltd 3Y 7Y 0.02% Shay Capital LLC 3Y 0.02% XTX Topco Ltd 3Y 0.01% Verdence Capital Advisors LLC 3Y 0.01%
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