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Q32 Bio Inc.

QTTB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001661998

In the last 90 days, Q32 Bio Inc. insiders filed 0 open-market purchases and 3 sales; 72 institutions reported holding it in 13F filings for Q2 2026, worth $282.6M in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in Q32 Bio Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
118
+9 vs. Q1 2021
Shares held
33.0M
+4.01M (+13.8%) vs. Q1 2021
Total value
$239.9M
−$32.8M (−12.0%) vs. Q1 2021
New holders
27
50 more added
Sold out
18
16 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting QTTB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 118 institutions
Q1 2021: 109 institutionsQ2 2021: 118 institutionsQ3 2021: 119 institutionsQ4 2021: 121 institutionsQ1 2022: 107 institutionsQ2 2022: 87 institutionsQ3 2022: 83 institutionsQ4 2022: 79 institutionsQ1 2023: 62 institutionsQ2 2023: 59 institutionsQ3 2023: 58 institutionsQ4 2023: 58 institutionsQ1 2024: 39 institutionsQ2 2024: 54 institutionsQ3 2024: 73 institutionsQ4 2024: 92 institutionsQ1 2025: 73 institutionsQ2 2025: 61 institutionsQ3 2025: 53 institutionsQ4 2025: 52 institutionsQ1 2026: 54 institutionsQ2 2026: 72 institutions
Value heldQ2 2021: $239.9M
Q1 2021: $272.7MQ2 2021: $239.9MQ3 2021: $252.1MQ4 2021: $123.0MQ1 2022: $89.7MQ2 2022: $49.9MQ3 2022: $38.7MQ4 2022: $27.3MQ1 2023: $20.0MQ2 2023: $15.9MQ3 2023: $20.8MQ4 2023: $11.4MQ1 2024: $125.9MQ2 2024: $144.2MQ3 2024: $405.8MQ4 2024: $37.8MQ1 2025: $15.5MQ2 2025: $13.4MQ3 2025: $16.6MQ4 2025: $26.7MQ1 2026: $60.6MQ2 2026: $282.6M
Institutions holding QTTB and their total value by quarter
QuarterHoldersValue
Q2 202672$282.6M
Q1 202654$60.6M
Q4 202552$26.7M
Q3 202553$16.6M
Q2 202561$13.4M
Q1 202573$15.5M
Q4 202492$37.8M
Q3 202473$405.8M
Q2 202454$144.2M
Q1 202439$125.9M
Q4 202358$11.4M
Q3 202358$20.8M
Q2 202359$15.9M
Q1 202362$20.0M
Q4 202279$27.3M
Q3 202283$38.7M
Q2 202287$49.9M
Q1 2022107$89.7M
Q4 2021121$123.0M
Q3 2021119$252.1M
Q2 2021118$239.9M
Q1 2021109$272.7M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Q32 Bio Inc.; share changes are against Q1 2021.

Institutions holding QTTB in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.426,826$3.10M0.01%+426,826New
Northern Trust Corp444,892$3.23M0.00%+51,424+13.1%Added
Acadian Asset Management LLC465,184$3.38M0.01%+465,184New
Assenagon Asset Management S.A.486,396$3.54M0.02%+486,396New
Geode Capital Management, LLC703,377$5.11M0.00%+148,254+26.7%Added
State Street Corp718,260$5.22M0.00%+34,900+5.1%Added
Vida Ventures Advisors, LLC770,845$5.60M1.41%00.0%Unchanged
Vivo Capital, LLC853,143$6.20M0.27%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,013,239$7.37M0.05%+409,074+67.7%Added
JPMorgan Chase & Co1,121,500$8.15M0.00%−1,085,771−49.2%Reduced
FMR LLC1,253,091$9.11M0.00%+750,083+149.1%Added
Bellevue Group AG1,737,122$12.6M0.12%00.0%Unchanged
Vanguard Group Inc2,122,081$15.4M0.00%+570,099+36.7%Added
Price T Rowe Associates Inc2,264,659$16.5M0.00%−427,002−15.9%Reduced
Wellington Management Group LLP2,392,638$17.4M0.00%+114,718+5.0%Added
Temasek Holdings (Private) Ltd3,272,578$23.8M0.08%+52,285+1.6%Added
BlackRock Inc.3,358,137$24.4M0.00%+493,007+17.2%Added
5AM Venture Management, LLC4,535,919$33.0M8.30%00.0%Unchanged
Proequities, Inc.0$00.00%−359−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−457,593−100.0%Sold out
California Public Employees Retirement System0$00.00%−70,000−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−48,500−100.0%Sold out
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.0$00.00%−37,714−100.0%Sold out
Ameriprise Financial Inc0$00.00%−23,037−100.0%Sold out
Squarepoint Ops LLC0$00.00%−19,002−100.0%Sold out
Trexquant Investment LP0$00.00%−18,828−100.0%Sold out
Martingale Asset Management L P0$00.00%−17,917−100.0%Sold out
PDT Partners, LLC0$00.00%−15,893−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−12,726−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−9,289−100.0%Sold out
MetLife Investment Management0$00.00%−3,206−100.0%Sold out
Bank of Montreal0$00.00%−1,088−100.0%Sold out
Valeo Financial Advisors, LLC0$00.00%−350−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−270−100.0%Sold out
Sargent Bickham Lagudis LLC0$00.00%−100−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−10,000−100.0%Sold out