Companies / Q32 Bio Inc.

Q32 Bio Inc.

Nasdaq: QTTBCIK 1661998WALTHAM, MA

Financials · FY2025

Revenue$53.74M
Net income$29.82M
Total debt—
Cash$106.27M
Diluted EPS$2.42
Shares outstanding29.8M

Ownership

29.8M shares outstanding · as of Aug 3, 2026
2.7%Insiders
Ownership
Insiders2.71%805,616
10%+ / strategic4.22%1,256,228
Institutions16.33%4,862,012
Public float76.74%22,845,610

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 10

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Insider% of sharesShares
Orbimed Advisors LLCDirector · 10% owner
2.10%625,000
Morrison Jodie PopeCEOCEO · Director
0.30%89,104
Violette Shelia M.Chief Scientific Officer
0.19%55,569
Kalowski LeeCFO and President
0.12%35,943
Grayzel David S.Director
——
Laporte KathleenDirector
——
Lundberg Sven AnteDirector
——
OrbiMed Capital GP VII LLCDirector · 10% owner
——
OrbiMed Genesis GP LLCDirector · 10% owner
——
Thistle MaryDirector
——

Institutional holders 57

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HolderValue% of shares
Orbimed Advisors LLC$14.46M7.57%
Atlas Venture Life Science Advisors, LLC$6.95M7.03%
ARCH Venture Management, LLC$2.06M1.08%
Acorn Capital Advisors, LLC$1.64M1.66%
Sanofi$1.57M0.82%
BlackRock, Inc.$1.51M0.40%
Renaissance Technologies LLC$1.33M0.70%
Vanguard Group Inc$1.07M1.08%
Pfizer Inc$922.2K0.93%
Carlyle Group Inc.$769.0K0.20%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
May 28, 2026Orbimed Advisors LLC
Director
BuyCommon Stock$10.00M+1.3M
+55.48%
3,502,987
11.77% of shares
high
May 28, 2026Orbimed Advisors LLC
Director
BuyCommon Stock$5.00M+625K
625,000
2.10% of shares
high
Feb 25, 2026Morrison Jodie Pope
CEO
SellCommon Stock$44.7K-10K
-10.00%
89,104
0.30% of shares
low
Feb 25, 2026Kalowski Lee
Executive
SellCommon Stock$18.0K-4K
-10.00%
35,943
0.12% of shares
low
Feb 25, 2026Violette Shelia M.
Executive
SellCommon Stock$12.7K-3K
-4.82%
55,569
0.19% of shares
low
Feb 24, 2026Violette Shelia M.
Executive
GrantCommon Stock$0+38K
+67.48%
93,069
0.31% of shares
low
Feb 24, 2026Morrison Jodie Pope
CEO
GrantCommon Stock$0+132K
+148.14%
221,104
0.74% of shares
low
Feb 24, 2026Kalowski Lee
Executive
GrantCommon Stock$0+53K
+148.15%
89,193
0.30% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Opaleye Management Inc.Passive13G—1,256,228—
Point72 Asset Management, L.P.Passive13G———
Pfizer IncPassive13G/A———
RA Capital Management, L.P.Passive13G———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
QTTB——746964105—