Hemab Therapeutics Holdings, Inc.
COAG- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0002114044
No open-market purchases or sales by Hemab Therapeutics Holdings, Inc. insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $1.33B in total; Soros Fund Management is the only superinvestor holding it.
Holders of 5% or more of COAG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hemab Therapeutics Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 13G | 16.60%7.73M shares | New | May 11, 20261 filing | May 11, 2026 | SEC |
| AI Den-Mab LLC | 13D | 10.40%4.88M shares | New | May 11, 20261 filing | May 11, 2026 | SEC |
| Novo Holdings A/S | 13G | 9.00%4.18M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| Deep Track Capital, LP | 13G | 8.15%3.60M shares | New | May 8, 20261 filing | May 8, 2026 | SEC |
| FMR LLC | 13G | 7.90%3.70M shares | New | Aug 6, 20261 filing | Aug 6, 2026 | SEC |
| Capital International Investors | 13G | 7.70%3.60M shares | New | Aug 12, 20261 filing | Aug 12, 2026 | SEC |
| Avoro Capital Advisors LLC | 13G | 7.06%3.30M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| Sofinnova Crossover II S.L.P. | 13G | 5.40%2.51M shares | New | Aug 5, 20261 filing | Aug 5, 2026 | SEC |
| Invus Global Management, LLC | 13G | 5.10%2.37M shares | New | Aug 7, 20261 filing | Aug 7, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
9 Schedule 13D and 13G filings on Hemab Therapeutics Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20265:05 PM ET | Novo Holdings A/S | 13G | 9.00%4.18M shares | New | Jun 30, 2026 | SEC |
| Aug 14, 20269:01 AM ET | Avoro Capital Advisors LLCand 2 others | 13G | 7.06%3.30M shares | New | Jun 30, 2026 | SEC |
| Aug 12, 202610:28 AM ET | Capital International Investors | 13G | 7.70%3.60M shares | New | Jun 30, 2026 | SEC |
| Aug 7, 20269:31 AM ET | Invus Global Management, LLCand 7 others | 13G | 5.10%2.37M shares | New | Aug 3, 2026 | SEC |
| Aug 6, 202610:28 AM ET | FMR LLCand 1 other | 13G | 7.90%3.70M shares | New | Jun 30, 2026 | SEC |
| Aug 5, 202610:38 AM ET | Sofinnova Crossover II S.L.P.and 6 others | 13G | 5.40%2.51M shares | New | Jun 30, 2026 | SEC |
| May 11, 20265:46 PM ET | Ra Capital Management, L.P.and 3 others | 13G | 16.60%7.73M shares | New | May 4, 2026 | SEC |
| May 11, 20264:43 PM ET | AI Den-Mab LLCand 4 others | 13D | 10.40%4.88M shares | New | May 4, 2026 | SEC |
| May 8, 20264:18 PM ET | Deep Track Capital, LPand 3 others | 13G | 8.15%3.60M shares | New | May 1, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Hemab Therapeutics Holdings, Inc. shares.
No Form 144 notices for Hemab Therapeutics Holdings, Inc. are on file.