QTTB — Q32 BIO INC

Ownership history in PFIZER INC  ·  5 quarters on record

This page tracks every 13F SEC filing in which PFIZER INC reported a position in Q32 BIO INC (QTTB). 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.

Peak position
0.39% (2025 Q4)
Avg. % of fund
0.14%
First filed
2024 Q4
Last filed
2025 Q4
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 277,777 — 0% 0.39% $922K $3.32
2025 Q3 UNCHANGED 277,777 — 0% 0.13% $550K $1.98
2025 Q2 UNCHANGED 277,777 — 0% 0.07% $414K $1.49
2025 Q1 UNCHANGED 277,777 — 0% 0.09% $458.3M $1.65
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    QTTB price (monthly, adj. close)

Other funds also holding QTTB

As of 2025 Q4 — sorted by position size

Atlas Venture Life Science Advisors, LLC 3Y 0.8% ACORN CAPITAL ADVISORS, LLC 0.56% ARCH Venture Management, LLC 3Y 7Y 0.16% ORBIMED ADVISORS LLC 3Y 7Y 0.15% Opaleye Management Inc. 3Y 7Y 0.09% Scientech Research LLC 0.03% Monaco Asset Management SAM 3Y 0.03% Carlyle Group Inc. 3Y 7Y 0.03% Affinity Asset Advisors, LLC 3Y 0.01% ADAR1 Capital Management, LLC 0.0%
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