Q32 Bio Ownership | Who Owns Q32 Bio?

Q32 Bio Ownership Summary

Q32 Bio is owned by 4.73% institutional investors, 6.45% insiders, and 88.82% retail investors. Orbimed advisors is the largest institutional shareholder, holding 18.47% of QTTB shares.

QTTB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Q32 Bio	4.73%	6.45%	88.82%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Orbimed advisors	2.25M	18.47%	$4.46M
Atlas venture life science advisors	2.09M	17.15%	$4.14M
Carlyle group	1.10M	9.04%	$2.13M
Acorn capital advisors	803.42K	6.59%	$1.59M
Arch venture management	320.48K	2.63%	$634.55K
Vanguard group	321.05K	2.62%	$1.07M
Pfizer	277.78K	2.27%	$922.22K
Sanofi	244.08K	1.99%	$810.36K
Geode capital management	106.11K	0.87%	$352.39K
Renaissance	99.60K	0.81%	$330.67K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Acorn capital advisors	803.42K	0.81%	$1.59M
Atlas venture life science advisors	2.09M	0.55%	$4.14M
Pfizer	277.78K	0.39%	$922.22K
Sanofi	244.08K	0.26%	$810.36K
Arch venture management	320.48K	0.13%	$634.55K
Orbimed advisors	2.25M	0.11%	$4.46M
Carlyle group	1.10M	0.05%	$2.13M
Monaco asset management sam	50.92K	0.03%	$169.05K
Affinity asset advisors	27.78K	0.00%	$55.00K
Two sigma securities	13.75K	0.00%	$27.22K

Top Buyers

Holder	Shares	% Assets	Change
Renaissance	99.60K	0.00%	52.30K
Two sigma investments, lp	31.51K	0.00%	31.51K
Vanguard group	321.05K	-	25.64K
Jane street group	25.37K	-	25.37K
Acadian asset management	48.37K	0.00%	18.63K

Top Sellers

Holder	Shares	% Assets	Change
Sio capital management	-	-	-697.41K
Temasek (private)	-	-	-313.94K
Monaco asset management sam	50.92K	0.03%	-260.22K
Trustees of columbia university in the city of new york	-	-	-133.90K
Arrowmark colorado	-	-	-81.48K

New Positions

Holder	Shares	% Assets	Change	Value
Two sigma investments, lp	31.51K	0.00%	31.51K	$62.38K
Two sigma securities	13.75K	0.00%	13.75K	$27.22K
Rockefeller capital management	577.00	-	577.00	$1.14K
Northwestern mutual wealth management	30.00	-	30.00	$100.00

Sold Out

Holder	Change
National bank of canada /fi/	-1.00
Thompson investment management	-4.00
Cbiz investment advisory services	-5.00
Farther finance advisors	-6.00
Bfsg	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	8	-84.62%	579,164	-93.13%	4	0.10%	2	-88.24%	2	-88.89%
Sep 30, 2025	17	-71.19%	1,987,514	-77.86%	16	0.30%	5	-77.27%	7	-63.16%
Jun 30, 2025	58	-15.94%	8,975,903	22.91%	73	2.05%	22	-12.00%	19	-5.00%
Mar 31, 2025	70	-25.53%	9,406,755	-13.54%	77	0.95%	26	-57.38%	20	122.22%
Dec 31, 2024	95	33.80%	10,995,641	20.72%	91	1.60%	62	40.91%	9	12.50%

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 25, 2026	Kalowski Lee	CFO and President	Sell	$18.04K
Feb 25, 2026	Morrison Jodie Pope	CEO	Sell	$44.67K
Feb 25, 2026	Violette Shelia M.	Chief Scientific Officer	Sell	$12.71K
Dec 02, 2025	Morrison Jodie Pope	CEO	Sell	$77.87K
Dec 02, 2025	Kalowski Lee	CFO and President	Sell	$31.40K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	3
2025 Q4	-	2
2025 Q3	-	3
2025 Q1	-	-
2024 Q4	-	-

QTTB Ownership FAQ

Who Owns Q32 Bio?

Q32 Bio shareholders are primarily institutional investors at 4.73%, followed by 6.45% insiders and 88.82% retail investors. The average institutional ownership in Q32 Bio's industry, Biotech Stocks , is 381.47%, which Q32 Bio falls below.

Who owns the most shares of Q32 Bio?

Q32 Bio’s largest shareholders are Orbimed advisors (2.25M shares, 18.47%), Atlas venture life science advisors (2.09M shares, 17.15%), and Carlyle group (1.1M shares, 9.04%). Together, they hold 44.66% of Q32 Bio’s total shares outstanding.

Does Blackrock own Q32 Bio?

BlackRock is not among the top 10 institutional shareholders of Q32 Bio.

Who is Q32 Bio’s biggest shareholder by percentage of total assets invested?

Acorn capital advisors is Q32 Bio’s biggest shareholder by percentage of total assets invested, with 0.81% of its assets in 803.42K Q32 Bio shares, valued at 1.59M$.

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