Merus N.V.
MRUSDelisted Dec 30, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001651311
Merus N.V. was delisted on Dec 30, 2025; its insiders filed their last Form 4 on Dec 30, 2025; 268 institutions reported holding it in 13F filings for Q3 2025, worth $6.70B in total; Soros Fund Management was the only superinvestor holding it.
Holders of 5% or more of MRUS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Merus N.V., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Paradigm Biocapital Advisors LP | 13G/A | 6.20%4.67M shares | +1.10 ppfrom 5.10% | Apr 10, 20252 filings | Nov 14, 2025 | 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
12 Schedule 13D and 13G filings on Merus N.V., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Dec 30, 20255:24 PM ET | Genmab A/Sand 1 other | 13D/A | 0.00%0 shares | −94.80 ppfrom 94.80%Below 5% | Dec 30, 2025 | SEC |
| Dec 19, 202512:32 PM ET | Genmab A/Sand 1 other | 13D | 94.80%71.9M shares | New | Dec 12, 2025 | SEC |
| Nov 14, 20254:32 PM ET | Paradigm Biocapital Advisors LPand 3 others | 13G/A | 6.20%4.67M shares | +1.10 ppfrom 5.10% | Sep 30, 2025 | SEC |
| Nov 14, 20258:28 AM ET | RTW Investments, LPand 1 other | 13G/A | 2.70%2.03M shares | –Below 5% | Sep 30, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 0.60%459.1K shares | −4.40 ppfrom 5.00%Below 5% | Sep 30, 2025 | SEC |
| Nov 5, 202511:40 AM ET | FMR LLCand 1 other | 13G/A | 3.70%2.78M shares | –Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20255:06 PM ET | Commodore Capital LPand 1 other | 13G/A | 4.70%3.52M shares | −0.80 ppfrom 5.50%Below 5% | Jun 30, 2025 | SEC |
| Aug 12, 202510:34 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 5.00%3.73M shares | −1.80 ppfrom 6.80% | Jun 30, 2025 | SEC |
| May 12, 202510:44 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 6.80%4.72M shares | +1.70 ppfrom 5.10% | Mar 31, 2025 | SEC |
| Apr 10, 20254:19 PM ET | Paradigm Biocapital Advisors LPand 3 others | 13G | 5.10%3.55M shares | New | Apr 3, 2025 | SEC |
| Feb 10, 202510:25 AM ET | Wellington Management Group LLPand 2 others | 13G | 5.10%3.50M shares | New | Dec 31, 2024 | SEC |
| Dec 16, 20249:51 PM ET | Commodore Capital LPand 1 other | 13G | 5.50%3.75M shares | New | Dec 9, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Merus N.V. shares.
No Form 144 notices for Merus N.V. are on file.