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.
13F holders, Q4 2023
Institutional positions in Merus N.V. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 131
- +19 vs. Q3 2023
- Shares held
- 51.2M
- +1.83M (+3.7%) vs. Q3 2023
- Total value
- $1.41B
- +$289.0M (+25.8%) vs. Q3 2023
- New holders
- 32
- 40 more added
- Sold out
- 13
- 41 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRUS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 10 | $5.73M |
| Q3 2025 | 268 | $6.70B |
| Q2 2025 | 201 | $3.93B |
| Q1 2025 | 185 | $2.98B |
| Q4 2024 | 192 | $2.96B |
| Q3 2024 | 189 | $3.45B |
| Q2 2024 | 179 | $3.94B |
| Q1 2024 | 156 | $2.31B |
| Q4 2023 | 131 | $1.41B |
| Q3 2023 | 113 | $1.12B |
| Q2 2023 | 114 | $1.09B |
| Q1 2023 | 104 | $672.0M |
| Q4 2022 | 91 | $563.8M |
| Q3 2022 | 100 | $687.4M |
| Q2 2022 | 93 | $793.4M |
| Q1 2022 | 95 | $878.1M |
| Q4 2021 | 103 | $1.05B |
| Q3 2021 | 64 | $487.8M |
| Q2 2021 | 68 | $564.3M |
| Q1 2021 | 59 | $558.3M |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Saturn V Capital Management LLC | 389,333 | $10.7M | 4.10% | +349,267+871.7% | Added |
| Carmignac Gestion | 403,861 | $11.1M | 0.19% | −50,470−11.1% | Reduced |
| Morgan Stanley | 416,541 | $11.5M | 0.00% | +69,645+20.1% | Added |
| Two Sigma Advisers, LP | 431,500 | $11.9M | 0.03% | +212,400+96.9% | Added |
| DAFNA Capital Management LLC | 454,870 | $12.5M | 3.00% | −30,000−6.2% | Reduced |
| StemPoint Capital LP | 501,806 | $13.8M | 3.72% | +501,806 | New |
| 5AM Venture Management, LLC | 521,531 | $14.3M | 3.80% | +521,531 | New |
| Janus Henderson Group PLC | 531,044 | $14.6M | 0.01% | +332,756+167.8% | Added |
| Silverarc Capital Management, LLC | 645,581 | $17.8M | 5.48% | +145,581+29.1% | Added |
| Millennium Management LLC | 693,327 | $19.1M | 0.02% | +64,128+10.2% | Added |
| Fairmount Funds Management LLC | 717,254 | $19.7M | 2.08% | −1,164,091−61.9% | Reduced |
| FMR LLC | 730,453 | $20.1M | 0.00% | −44,500−5.7% | Reduced |
| Frazier Life Sciences Management, L.P. | 746,479 | $20.5M | 1.10% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 872,069 | $24.0M | 0.59% | +33,641+4.0% | Added |
| Avoro Capital Advisors LLC | 888,888 | $24.4M | 0.34% | +444,444+100.0% | Added |
| Lynx1 Capital Management LP | 1,135,225 | $31.2M | 12.28% | −15,000−1.3% | Reduced |
| Pictet Asset Management Holding SA | 1,232,808 | $33.9M | 0.04% | +1,232,808 | New |
| Balyasny Asset Management LLC | 1,233,238 | $33.9M | 0.09% | +372,879+43.3% | Added |
| Driehaus Capital Management LLC | 1,311,013 | $36.1M | 0.43% | +175,818+15.5% | Added |
| BlackRock Inc. | 1,429,893 | $39.3M | 0.00% | −36,043−2.5% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $44.0M | 14.85% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,883,091 | $51.8M | 0.02% | −8,835−0.5% | Reduced |
| Boxer Capital, LLC | 1,900,000 | $52.3M | 2.60% | 00.0% | Unchanged |
| Wellington Management Group LLP | 2,009,403 | $55.3M | 0.01% | −725,844−26.5% | Reduced |
| VR Adviser, LLC | 2,148,214 | $59.1M | 4.05% | +422,000+24.4% | Added |
| RTW Investments, LP | 2,373,625 | $65.3M | 1.02% | +376,861+18.9% | Added |
| BVF Inc | 2,752,420 | $75.7M | 1.89% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 3,019,901 | $83.0M | 1.53% | −857,037−22.1% | Reduced |
| Samlyn Capital, LLC | 3,412,410 | $93.8M | 2.04% | +155,892+4.8% | Added |
| Federated Hermes, Inc. | 3,637,309 | $100.0M | 0.25% | +751,609+26.0% | Added |
| Commodore Capital LP | 4,747,373 | $130.6M | 11.41% | +319,301+7.2% | Added |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| TCG Crossover Management, LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −245,000−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −183,394−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −25,380−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −22,435−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −20,499−100.0% | Sold out |
| BluePath Capital Management, LLC | 0 | $0 | 0.00% | −1,383−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Innovis Asset Management LLC | – | – | – | – | Not filed |