Companies / Adicet Bio, Inc.

Adicet Bio, Inc.

Nasdaq: ACETCIK 1720580BOSTON, MA

Financials

Revenue—
Net income$-116.80M
Total debt—
Cash$33.13M
Diluted EPS$-16.95
Shares outstanding9.4M

Ownership

9.4M shares outstanding · as of Aug 3, 2026
0.20%Insiders
Ownership
Insiders0.20%18,398
10%+ / strategic16.72%1,565,353
Institutions54.57%5,108,801
Public float28.51%2,668,938

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

Insiders 18

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Insider% of sharesShares
RA Capital Management, L.P.10% owner
9.96%932,624
Schor ChenCEOPresident & CEO · Director
0.07%6,820
Harvey Brian NicholasChief Financial Officer
0.05%5,145
Healey DonChief Technology Officer
0.04%3,452
Aftab BlakeChief Scientific Officer
0.03%2,981
Orbimed Advisors LLC10% owner
0.00%0
Dubin SteveDirector
——
Kolchinsky Peter10% owner
——
Maltzman Julia D.Chief Medical Officer
——
OrbiMed Advisors Israel II Ltd10% owner
——

Institutional holders 50

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HolderValue% of shares
RA Capital Management, L.P.$8.05M12.63%
Orbimed Advisors LLC$7.00M10.98%
Franklin Resources, Inc.$5.28M6.69%
Woodline Partners LP$5.26M6.68%
Vanguard Group Inc$2.45M3.11%
Prosight Management, LP$2.11M2.67%
The Goldman Sachs Group, Inc.$1.97M2.51%
Adage Capital Partners Gp, L.L.C.$1.87M2.93%
Stonepine Capital Management, LLC$1.85M2.35%
Alyeska Investment Group, L.P.$1.72M2.18%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 20, 2026RA Capital Management, L.P.
10% owner
BuyCommon Stock$543.4K+75K
+6.75%
1,182,624
12.63% of shares
high
Feb 19, 2026RA Capital Management, L.P.
10% owner
BuyCommon Stock$535.5K+74K
+7.19%
1,107,873
11.83% of shares
high
Feb 18, 2026RA Capital Management, L.P.
10% owner
BuyCommon Stock$525.0K+75K
+7.78%
1,033,605
11.04% of shares
high
Apr 8, 2026Orbimed Advisors LLC
10% owner
SellCommon Stock$263.5K-40K
-100.00%
0
0.00% of shares
medium
Apr 8, 2026Orbimed Advisors LLC
10% owner
SellCommon Stock$204.6K-33K
-100.00%
0
0.00% of shares
medium
Apr 7, 2026Orbimed Advisors LLC
10% owner
SellCommon Stock$191.5K-29K
-45.64%
34,923
0.37% of shares
medium
Apr 7, 2026Orbimed Advisors LLC
10% owner
SellCommon Stock$15.3K-2K
-6.87%
32,523
0.35% of shares
low
Jan 24, 2026Schor Chen
CEO
OtherCommon Stock$14.8K-2K
-20.47%
6,820
0.07% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Tang Capital Management, LLCPassive13G/A—6,158—
RA Capital Management, L.P.Passive13G/A———
Franklin Resources, Inc.Passive13G—626,571—
Woodline Partners LPPassive13G———
RA Capital Management, L.P.Passive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ACET——007002207—