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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, Q3 2023

Institutional positions in Q32 Bio Inc. as of Sep 30, 2023. 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
58
0 vs. Q2 2023
Shares held
17.8M
−144.5K (−0.8%) vs. Q2 2023
Total value
$20.8M
+$4.95M (+31.1%) vs. Q2 2023
New holders
6
5 more added
Sold out
6
19 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 58 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 heldQ3 2023: $20.8M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Q32 Bio Inc.; share changes are against Q2 2023.

Institutions holding QTTB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Temasek Holdings (Private) Ltd5,650,996$6.61M0.04%00.0%Unchanged
5AM Venture Management, LLC4,535,919$5.31M1.53%00.0%Unchanged
Vanguard Group Inc2,046,442$2.39M0.00%00.0%Unchanged
BlackRock Inc.1,106,288$1.29M0.00%−789−0.1%Reduced
Citadel Advisors LLC879,112$1.03M0.00%+158,011+21.9%Added
Erste Asset Management GmbH540,000$631.8K0.01%−57,500−9.6%Reduced
Vivo Capital, LLC370,068$433.0K0.05%00.0%Unchanged
Geode Capital Management, LLC323,459$378.5K0.00%−41,740−11.4%Reduced
Bank of America Corp305,055$356.9K0.00%−128,249−29.6%Reduced
Western Standard LLC250,060$292.6K0.26%+250,060New
Bridgeway Capital Management, LLC185,100$216.6K0.01%+30,000+19.3%Added
Renaissance Technologies LLC180,000$211.0K0.00%−119,100−39.8%Reduced
State Street Corp133,804$156.6K0.00%00.0%Unchanged
Acadian Asset Management LLC130,047$151.0K0.00%−102,997−44.2%Reduced
Millennium Management LLC118,483$138.6K0.00%−63,538−34.9%Reduced
Dimensional Fund Advisors LP117,611$137.5K0.00%−2,619−2.2%Reduced
Tudor Investment Corp Et Al115,623$135.3K0.00%00.0%Unchanged
Susquehanna International Group, LLP115,389$135.0K0.00%+53,929+87.7%Added
Northern Trust Corp65,762$76.9K0.00%−586−0.9%Reduced
OUP Management Co., LLC64,000$74.9K0.17%00.0%Unchanged
FMR LLC63,512$74.3K0.00%−2,506−3.8%Reduced
RBF Capital, LLC58,700$68.7K0.00%00.0%Unchanged
Barclays PLC53,700$62.8K0.00%00.0%Unchanged
Franklin Resources Inc41,000$48.0K0.00%−10,845−20.9%Reduced
George Kaiser Family Foundation39,320$46.0K0.01%+39,320New
American Investment Services, Inc.36,955$43.2K0.01%00.0%Unchanged
Schechter Investment Advisors, LLC29,783$34.8K0.00%00.0%Unchanged
Goldman Sachs Group Inc25,472$29.8K0.00%−970−3.7%Reduced
Assenagon Asset Management S.A.24,392$28.5K0.00%−25,124−50.7%Reduced
Charles Schwab Investment Management Inc21,971$25.7K0.00%00.0%Unchanged
XTX Topco Ltd21,188$24.8K0.00%+21,188New
Mariner, LLC19,833$23.2K0.00%00.0%Unchanged
Bank of New York Mellon Corp19,434$22.7K0.00%00.0%Unchanged
Raymond James & Associates15,919$18.6K0.00%00.0%Unchanged
HSBC Holdings PLC15,531$17.7K0.00%00.0%Unchanged
UBS Group AG14,454$16.9K0.00%−1,943−11.8%Reduced
Morgan Stanley12,980$15.2K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.11,612$13.6K0.00%−80,994−87.5%Reduced
Dimension Capital Management LLC10,950$12.8K0.00%−10.0%Reduced
Two Sigma Securities, LLC10,064$11.8K0.00%−762−7.0%Reduced
Texas Yale Capital Corp.10,000$11.7K0.00%00.0%Unchanged
US Bancorp1,800$2.11K0.00%00.0%Unchanged
Wells Fargo & Company1,685$1.97K0.00%−469−21.8%Reduced
Ameliora Wealth Management Ltd.1,500$1.75K0.00%00.0%Unchanged
Rhumbline Advisers1,173$1.37K0.00%00.0%Unchanged
JPMorgan Chase & Co954$1.12K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec730$8540.00%+30+4.3%Added
GWM Advisors LLC460$5380.00%−1,000−68.5%Reduced
Tower Research Capital LLC (TRC)317$3710.00%+317New
Advisor Group Holdings, Inc.280$3270.00%00.0%Unchanged
BNP Paribas Arbitrage, SA213$2490.00%00.0%Unchanged
St Germain D J Co Inc200$2340.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC163$1910.00%00.0%Unchanged
Investors Research Corp160$1870.00%00.0%Unchanged
Thompson Investment Management, Inc.76$890.00%00.0%Unchanged
Authentikos Wealth Advisory, LLC40$470.00%+40New
Coppell Advisory Solutions LLC24$300.00%+13+118.2%Added
Simplex Trading, LLC490$00.00%+490New
Cornercap Investment Counsel Inc0$00.00%−37,864−100.0%Sold out
Squarepoint Ops LLC0$00.00%−10,200−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−4,356−100.0%Sold out
Royal Bank of Canada0$00.00%−3,322−100.0%Sold out
Salem Investment Counselors Inc0$00.00%−150−100.0%Sold out
IFP Advisors, Inc0$00.00%−250−100.0%Sold out
Endurance Wealth Management, Inc.––––Not filed