Companies / Hemab Therapeutics Holdings, Inc.

Hemab Therapeutics Holdings, Inc.

Nasdaq: COAGCIK 2114044CAMBRIDGE, MA

Ownership

46.7M shares outstanding · as of Jul 31, 2026
13.9%Insiders
Ownership
Insiders13.87%6,480,585
10%+ / strategic8.95%4,180,550
Institutions0.61%283,833
Public float76.57%35,767,149

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

Insiders 13

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Insider% of sharesShares
RA Capital Management, L.P.Director · 10% owner
13.80%6,444,637
Novo Holdings A/S10% owner
8.95%4,180,550
Maraganore JohnDirector
0.08%35,948
Access Industries Holdings LLC10% owner
——
Access Industries Management, LLC10% owner
——
AI Biotechnology LLC10% owner
——
Ai Den-Mab LLC10% owner
——
Blavatnik Len10% owner
——
Kolchinsky PeterDirector · 10% owner
——
RA Capital Healthcare Fund LPDirector · 10% owner
——

Institutional holders 1

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HolderValue% of shares
BlackRock, Inc.$10.43M0.61%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q2 2026
as of
BlackRock, Inc.
13F manager
New—$10.43M+284K
283,833
0.61% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Invus, L.P.Passive13G———
RA Capital Management, L.P.Passive13G———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
COAG——423494103—