Q32 Bio Inc. Common Stock (QTTB) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for QTTB. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 69 institutions reported holding QTTB, with 22.2 million shares worth $282.6 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Orbimed Advisors4,127,987$53MINCREASED
Boxer Capital Management3,149,310$40MNEW
Atlas Venture Life Science Advisors2,717,106$35MINCREASED
Bvf Inc/IL2,350,000$30MNEW
RA Capital Management,2,332,457$30MNEW

Full institutional holdings, insider history, and congressional trades for Q32 Bio Inc. Common Stock on SentiSense.