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COAG

Who owns Hemab Therapeutics?

1 of the world’s richest people holds Hemab Therapeutics in our tracked profiles.

COAG ▼ 0.41%as of Nov 11, 2026 12:21 PM ET · via Finnhub

About

Hemab Therapeutics is a clinical-stage biotech company developing treatments for bleeding and blood-clotting disorders. Its lead candidate, sutacimig, is in trials for Glanzmann thrombasthenia and Factor VII deficiency.

Biological Products, (No Diagnostic Substances) · Cambridge, Massachusetts

Source: Hemab Therapeutics Holdings, Inc. IPO prospectus (424B4) (filed 2026-05-01) ↗. Summary in our own words.

Billionaire holders

  1. Len BlavatnikMedia
    StakeHemab Therapeutics Holdings - 13D via AI DEN-MAB LLC after IPO: 4,876,344 shares · 10.4% · as of May 2026
    source ↗

Each row is a sourced entry from that person’s profile. Stakes are as of the date shown, not today.

Recent SEC filings

No Form 4 insider trades in Hemab Therapeutics from the holders above in the last 90 days.

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Recent moves

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