Q32 BIO INC (QTTB) Institutional Ownership Changes & 13F Activity

Q32 BIO INC (QTTB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Boxer Capital Management, Llc, Bvf Inc/Il, Ra Capital Management, L.P., Orbimed Advisors Llc, and Point72 Asset Management, L.P..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
State Street CorpBuy+10,700+25.8%52,214$665.21KQ2 2026Sep 22, 2026
Citadel Advisors LlcBuy+105,182+679.4%120,663$1.54MQ2 2026Sep 02, 2026
Boxer Capital Management, LlcBuy+3,149,310—3,149,310$40.12MQ2 2026Aug 14, 2026
Bvf Inc/IlBuy+2,350,000—2,350,000$29.94MQ2 2026Aug 14, 2026
Ra Capital Management, L.P.Buy+2,332,457—2,332,457$29.72MQ2 2026Aug 14, 2026
Orbimed Advisors LlcBuy+1,875,000+83.2%4,127,987$52.59MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+1,173,396—1,173,396$14.95MQ2 2026Aug 14, 2026
Logos Global Management LpBuy+800,000—800,000$10.19MQ2 2026Aug 14, 2026
Summittx Capital, L.P.Buy+733,774—733,774$9.35MQ2 2026Aug 14, 2026
Ikarian Capital, LlcBuy+430,000—430,000$5.48MQ2 2026Aug 14, 2026
Opaleye Management Inc.Sell-325,228-25.9%931,000$11.86MQ2 2026Aug 14, 2026
Woodline Partners LpBuy+286,212—286,212$3.65MQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcBuy+130,427—130,427$1.66MQ2 2026Aug 14, 2026
Acorn Capital Advisors, LlcSell-98,881-31.4%216,171$2.75MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+97,148+148.1%162,747$2.07MQ2 2026Aug 14, 2026
Dafna Capital Management LlcBuy+32,896—32,896$419.10KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+23,790—23,790$303.08KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+23,342—23,342$297.38KQ2 2026Aug 14, 2026
Mangrove Partners Im, LlcBuy+22,150—22,150$282.19KQ2 2026Aug 14, 2026
Bridgeway Capital Management, LlcBuy+22,000+174.4%34,613$440.97KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+15,949—15,949$203.00KQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+12,342—12,342$157.24KQ2 2026Aug 14, 2026
Exoduspoint Capital Management, LpBuy+11,336—11,336$144.42KQ2 2026Aug 14, 2026
Millennium Management LlcBuy+10,928—10,928$139.22KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+10,874—10,874$138.53KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+7,236+17.1%49,582$631.67KQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-2,701-98.4%43$0.00Q2 2026Aug 14, 2026
Monimus Capital Management, LpSell-2,274-1.7%132,036$1.68MQ2 2026Aug 14, 2026
Atlas Venture Life Science Advisors, LlcBuy+625,000+29.9%2,717,106$34.62MQ2 2026Aug 13, 2026
Vanguard Capital Management LlcBuy+212,402+69.3%518,803$6.61MQ2 2026Aug 13, 2026
Showing 30 of 67

Frequently asked questions about QTTB activity

  • Which institutional owners are buying QTTB?

    Institutional owners buying QTTB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in QTTB activity?

    "Buy" means an investor increased their reported position in QTTB compared to the prior reporting period. This reflects growing exposure to Q32 BIO INC (QTTB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in QTTB increasing?

    Institutional interest in QTTB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.