Q32 Bio Ownership | Who Owns Q32 Bio?

Q32 Bio Ownership Summary

Q32 Bio is owned by 73.59% institutional investors, 6.57% insiders, and 19.85% 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	73.59%	6.57%	19.85%
Sector	Healthcare Stocks	488.17%	11.08%	-399.26%
Industry	Biotech Stocks	306.59%	11.10%	-217.69%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Orbimed advisors	2.25M	18.47%	$3.36M
Atlas venture life science advisors	2.09M	17.15%	$3.12M
Carlyle group	1.10M	9.04%	$1.62M
Monaco asset management sam	591.94K	4.85%	$881.99K
Arch venture management	320.48K	2.63%	$477.52K
Pfizer	277.78K	2.28%	$413.89K
Sanofi	244.08K	2.00%	$363.68K
Blackrock funding, inc. /de	178.68K	1.46%	$266.23K
Acadian asset management	29.74K	0.24%	$44.00K
Affinity asset advisors	27.78K	0.23%	$41.39K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Atlas venture life science advisors	2.09M	0.47%	$3.12M
Sanofi	244.08K	0.21%	$363.68K
Arch venture management	320.48K	0.16%	$477.52K
Monaco asset management sam	591.94K	0.15%	$881.99K
Orbimed advisors	2.25M	0.08%	$3.36M
Pfizer	277.78K	0.07%	$413.89K
Carlyle group	1.10M	0.03%	$1.62M
Affinity asset advisors	27.78K	0.01%	$41.39K
Eversource wealth advisors	5.30K	0.00%	$7.90K
Srs capital advisors	1.11K	0.00%	$1.66K

Top Buyers

Holder	Shares	% Assets	Change
Monaco asset management sam	591.94K	0.15%	86.49K
Marshall wace, llp	16.93K	-	16.93K
Eversource wealth advisors	5.30K	0.00%	5.21K
Srs capital advisors	1.11K	0.00%	1.11K
Mirae asset global investments	471.00	-	63.00

Top Sellers

Holder	Shares	% Assets	Change
Sio capital management	-	-	-697.41K
Temasek (private)	-	-	-313.94K
Blackrock funding, inc. /de	178.68K	-	-278.69K
Arrowmark colorado	-	-	-81.48K
Mariner	11.78K	-	-73.00K

New Positions

Holder	Shares	% Assets	Change	Value
Marshall wace, llp	16.93K	-	16.93K	$25.22K
Srs capital advisors	1.11K	0.00%	1.11K	$1.66K

Sold Out

Holder	Change
Thompson investment management	-4.00
Farther finance advisors	-6.00
Bfsg	-11.00
Jones financial companies lllp	-16.00
Nisa investment advisors	-20.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	71	29.09%	9,108,413	12.93%	75	1.66%	44	25.71%	8	14.29%
Jun 30, 2024	55	41.03%	8,065,328	8.55%	67	0.13%	35	-7.89%	7	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 26, 2025	Morrison Jodie Pope	CEO	Sell	$18.90K
Aug 26, 2025	Violette Shelia M.	Chief Scientific Officer	Sell	$5.38K
Aug 26, 2025	Kalowski Lee	CFO and President	Sell	$7.64K
Mar 25, 2024	TZIANABOS ARTHUR	-	Sell	$6.41K
Mar 25, 2024	Alloway Paul	See Remarks	Sell	$6.49K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	3
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	-
2024 Q2	-	-

QTTB Ownership FAQ

Who Owns Q32 Bio?

Q32 Bio shareholders are primarily institutional investors at 73.59%, followed by 6.57% insiders and 19.84% retail investors. The average institutional ownership in Q32 Bio's industry, Biotech Stocks , is 306.59%, 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?

Atlas venture life science advisors is Q32 Bio’s biggest shareholder by percentage of total assets invested, with 0.47% of its assets in 2.09M Q32 Bio shares, valued at 3.12M$.

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