AgomAb Therapeutics NV
AGMB- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0002020932
No open-market purchases or sales by AgomAb Therapeutics NV insiders were filed in the last 90 days; 34 institutions reported holding it in 13F filings for Q2 2026, worth $337.0M in total; no superinvestor holds it.
Holders of 5% or more of AGMB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of AgomAb Therapeutics NV, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| LSP 7 Cooperative UA | 13D | 10.60%5.14M shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
| FMR LLC | 13G | 10.00%4.87M shares | New | Mar 6, 20261 filing | Mar 6, 2026 | SEC |
| Sanofi | 13G | 5.71%2.78M shares | New | May 6, 20261 filing | May 6, 2026 | SEC |
| Redmile Group, LLC | 13G | 5.60%2.74M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Cormorant Asset Management, LP | 13G | 5.01%2.47M shares | New | May 15, 20261 filing | May 15, 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
5 Schedule 13D and 13G filings on AgomAb Therapeutics NV, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20264:45 PM ET | Redmile Group, LLCand 2 others | 13G | 5.60%2.74M shares | New | Mar 31, 2026 | SEC |
| May 15, 20261:14 PM ET | Cormorant Asset Management, LPand 1 other | 13G | 5.01%2.47M shares | New | Mar 31, 2026 | SEC |
| May 6, 20266:00 AM ET | Sanofi | 13G | 5.71%2.78M shares | New | Mar 31, 2026 | SEC |
| Mar 6, 202610:05 AM ET | FMR LLCand 1 other | 13G | 10.00%4.87M shares | New | Feb 27, 2026 | SEC |
| Feb 17, 20267:00 AM ET | LSP 7 Cooperative UAand 1 other | 13D | 10.60%5.14M shares | New | Feb 9, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell AgomAb Therapeutics NV shares.
No Form 144 notices for AgomAb Therapeutics NV are on file.