Back to stocks
QTTB

QTTB

Q32 Bio Inc.

Institutional holders
72
As of Q2 2026
Total 13F value
$284.3M
Sum of disclosed positions
New positions
28
This quarter
Sold positions
9
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
ORBIMED ADVISORS LLC

Orbimed Advisors Llc

$52.6M4.13M0.97%+83.2%
Boxer Capital Management, LLC

Boxer Capital Management, Llc

$40.1M3.15M3.02%New Position
Atlas Venture Life Science Advisors, LLC

Atlas Venture Life Science Advisors, Llc

$34.6M2.72M3.93%+29.9%
BVF INC/IL

Bvf Inc/Il

$29.9M2.35M0.77%New Position
RA CAPITAL MANAGEMENT, L.P.

Ra Capital Management, L.P.

$29.7M2.33M0.26%New Position
Point72 Asset Management, L.P.

Point72 Asset Management

$14.9M1.17M0.02%New Position
Opaleye Management Inc.

Opaleye Management Inc.

$11.9M931.0K1.07%-25.9%
Logos Global Management LP

Logos Global Management Lp

$10.2M800.0K0.44%New Position
SummitTX Capital, L.P.

Summittx Capital, L.P.

$9.3M733.8K0.24%New Position
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$6.6M518.8K0.00%+69.3%
Ikarian Capital, LLC

Ikarian Capital, Llc

$5.5M430.0K0.59%New Position
Woodline Partners LP

Woodline Partners Lp

$3.6M286.2K0.01%New Position
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$3.5M272.8K0.00%+1353.1%
Sanofi

Sanofi

$3.1M244.1K0.58%Unchanged
CITADEL ADVISORS LLC

Citadel Advisors

$3.1M241.3K0.00%+679.4%
ACADIAN ASSET MANAGEMENT LLC

Acadian Asset Management Llc

$2.8M218.2K0.00%+26.4%
ACORN CAPITAL ADVISORS, LLC

Acorn Capital Advisors, Llc

$2.8M216.2K0.75%-31.4%
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$2.3M179.6K0.00%-13.2%
JANE STREET GROUP, LLC

Jane Street Group, Llc

$2.1M162.7K0.00%+148.1%
MONIMUS CAPITAL MANAGEMENT, LP

Monimus Capital Management, Lp

$1.7M132.0K0.39%-1.7%
BOOTHBAY FUND MANAGEMENT, LLC

Boothbay Fund Management, Llc

$1.7M130.4K0.02%New Position
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$1.6M122.7K0.00%+3.8%
BlackRock, Inc.

Blackrock, Inc.

$1.5M118.5K0.00%+37.6%
MARSHALL WACE, LLP

Marshall Wace, Llp

$854K67.0K0.00%+27.9%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$844K66.2K0.00%+32.5%
Carlyle Group Inc.

Carlyle Group Inc.

$769K60.4K0.01%-94.5%
STATE STREET CORP

State Street Corporation

$665K52.2K0.00%+25.8%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$632K49.6K0.00%+17.1%
Quadrature Capital Ltd

Quadrature Capital Ltd

$464K36.4K0.00%New Position
Cambridge Investment Research Advisors, Inc.

Cambridge Investment Research Advisors, Inc.

$460K36.2K0.00%-48.4%
BRIDGEWAY CAPITAL MANAGEMENT, LLC

Bridgeway Capital Management, Llc

$441K34.6K0.01%+174.4%
DAFNA Capital Management LLC

Dafna Capital Management Llc

$419K32.9K0.08%New Position
Knott David M Jr

Knott David M Jr

$387K30.4K0.20%New Position
Affinity Asset Advisors, LLC

Affinity Asset Advisors, Llc

$354K27.8K0.02%Unchanged
Squarepoint Ops LLC

Squarepoint Ops Llc

$303K23.8K0.00%New Position
NORTHERN TRUST CORP

Northern Trust Corp

$301K23.6K0.00%-5.6%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$301K23.6K0.00%New Position
SUSQUEHANNA INTERNATIONAL GROUP, LLP

Susquehanna International Group, Llp

$297K23.3K0.00%New Position
MANGROVE PARTNERS IM, LLC

Mangrove Partners

$282K22.1K0.02%New Position
LPL Financial LLC

Lpl Financial Llc

$231K18.2K0.00%New Position
HRT FINANCIAL LP

Hrt Financial Lp

$203K15.9K0.00%New Position
UBS Group AG

Ubs Group Ag

$191K15.0K0.00%+5458.5%
BALYASNY ASSET MANAGEMENT L.P.

Balyasny Asset Management Llc

$157K12.3K0.00%New Position
ExodusPoint Capital Management, LP

Exoduspoint Capital Management, Lp

$144K11.3K0.00%New Position
MILLENNIUM MANAGEMENT LLC

Millennium Management

$139K10.9K0.00%New Position
XTX Topco Ltd

Xtx Topco Ltd

$139K10.9K0.00%New Position
MORGAN STANLEY

Morgan Stanley

$82K6.5K0.00%-32.5%
Vanguard Global Advisers, LLC

Vanguard Global Advisers, Llc

$61K4.8K0.00%+151.9%
FMR LLC

Fmr Llc

$43K3.4K0.00%-0.3%
CITIGROUP INC

Citigroup Inc

$37K2.9K0.00%New Position

Explore