Q32 Bio Inc.

QTTBNASDAQ

$8.37+0.14 (+1.70% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Q32 Bio Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+285.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Orbimed Advisors LLC	17.39%	$52.6M	0.97%	Not reported
Boxer Capital Management, LLC	13.27%	$40.1M	3.02%	New Not reported
Atlas Venture Life Science Advisors, LLC	11.45%	$34.6M	3.93%	Add 29.87%
BVF Inc	9.90%	$29.9M	0.77%	New Not reported
Ra Capital Management, L.P.	9.83%	$29.7M	0.26%	New Not reported
Point72 Asset Management, L.P.	4.94%	$14.9M	0.02%	Not reported
Opaleye Management Inc.	3.92%	$11.9M	1.07%	Reduce 25.89%
Logos Global Management LP	3.37%	$10.2M	0.44%	New Not reported
SummitTX Capital, L.P.	3.09%	$9.35M	0.24%	New Not reported
Vanguard Capital Management LLC	2.19%	$6.61M	0.00%	Not reported
Ikarian Capital, LLC	1.81%	$5.48M	0.59%	New Not reported
Woodline Partners LP	1.21%	$3.65M	0.01%	Not reported
American Century Companies Inc	1.15%	$3.47M	0.00%	Not reported
Sanofi	1.03%	$3.11M	0.58%	Not reported
Acadian Asset Management LLC	0.92%	$2.78M	0.00%	Not reported
Acorn Capital Advisors, LLC	0.91%	$2.75M	0.75%	Reduce 31.39%
Renaissance Technologies LLC	0.76%	$2.29M	0.00%	Not reported
Jane Street Group, LLC	0.69%	$2.07M	0.00%	Not reported
Monimus Capital Management, LP	0.56%	$1.68M	0.39%	Reduce 1.69%
Boothbay Fund Management, LLC	0.55%	$1.66M	0.02%	Not reported
Geode Capital Management, LLC	0.52%	$1.56M	0.00%	Not reported
Citadel Advisors LLC	0.51%	$1.54M	0.00%	Not reported
BlackRock, Inc.	0.50%	$1.51M	0.00%	Not reported
Marshall Wace, LLP	0.28%	$854K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.28%	$844K	0.00%	Not reported
Carlyle Group Inc.	0.25%	$769K	0.01%	Reduce 94.53%
State Street Corp	0.22%	$665K	0.00%	Not reported
Two Sigma Investments, LP	0.21%	$632K	0.00%	Not reported
Quadrature Capital Ltd	0.15%	$464K	0.00%	Not reported
Cambridge Investment Research Advisors, Inc.	0.15%	$460K	0.00%	Not reported
Bridgeway Capital Management, LLC	0.15%	$441K	0.01%	Not reported
DAFNA Capital Management LLC	0.14%	$419K	0.08%	New Not reported
Knott David M Jr	0.13%	$387K	0.20%	New Not reported
Affinity Asset Advisors, LLC	0.12%	$354K	0.02%	Not reported
Squarepoint Ops LLC	0.10%	$303K	0.00%	Not reported
Northern Trust Corp	0.10%	$301K	0.00%	Not reported
Dimensional Fund Advisors LP	0.10%	$301K	0.00%	Not reported
Susquehanna International Group, LLP	0.10%	$297K	0.00%	Not reported
Mangrove Partners Im, LLC	0.09%	$282K	0.02%	Not reported
LPL Financial LLC	0.08%	$231K	0.00%	Not reported
UBS Group AG	0.06%	$191K	0.00%	Not reported
Balyasny Asset Management L.P.	0.05%	$157K	0.00%	Not reported
ExodusPoint Capital Management, LP	0.05%	$144K	0.00%	Not reported
Millennium Management LLC	0.05%	$139K	0.00%	Not reported
XTX Topco Ltd	0.05%	$139K	0.00%	Not reported
Morgan Stanley	0.03%	$82.3K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.02%	$61.5K	0.00%	Not reported
FMR LLC	0.01%	$43.2K	0.00%	Not reported
Citigroup Inc	0.01%	$36.8K	0.00%	Not reported
Private Wealth Asset Management, LLC	0.01%	$21.7K	0.00%	New Not reported

50 of 66 holders

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