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, Q1 2024
Institutional positions in Merus N.V. as of Mar 31, 2024. 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
- 156
- +26 vs. Q4 2023
- Shares held
- 51.2M
- +20.3K (0.0%) vs. Q4 2023
- Total value
- $2.31B
- +$898.4M (+63.8%) vs. Q4 2023
- New holders
- 37
- 49 more added
- Sold out
- 11
- 52 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deutsche Bank AG | 112,102 | $5.05M | 0.00% | −451−0.4% | Reduced |
| Cubist Systematic Strategies, LLC | 113,632 | $5.12M | 0.06% | −12,873−10.2% | Reduced |
| Eversept Partners, LP | 119,482 | $5.38M | 0.40% | +3,756+3.2% | Added |
| HighVista Strategies LLC | 121,680 | $5.48M | 1.95% | −11,892−8.9% | Reduced |
| Walleye Capital LLC | 122,254 | $5.51M | 0.06% | +122,254 | New |
| ExodusPoint Capital Management, LP | 124,628 | $5.61M | 0.07% | +85,541+218.8% | Added |
| Invesco Ltd. | 128,249 | $5.78M | 0.00% | +80,885+170.8% | Added |
| Sphera Funds Management Ltd. | 149,333 | $6.72M | 1.09% | −81,000−35.2% | Reduced |
| Millennium Management LLC | 150,270 | $6.77M | 0.01% | −543,057−78.3% | Reduced |
| TD Asset Management Inc | 151,174 | $6.81M | 0.01% | +151,174 | New |
| Vanguard Group Inc | 156,149 | $7.03M | 0.00% | +4,192+2.8% | Added |
| Integral Health Asset Management, LLC | 165,000 | $7.43M | 0.73% | +165,000 | New |
| Soleus Capital Management, L.P. | 195,577 | $8.81M | 0.77% | −107,000−35.4% | Reduced |
| Great Point Partners LLC | 223,288 | $10.1M | 1.57% | +203,288+1,016.4% | Added |
| StemPoint Capital LP | 233,871 | $10.5M | 2.81% | −267,935−53.4% | Reduced |
| State Street Corp | 244,676 | $11.0M | 0.00% | +8,988+3.8% | Added |
| Aquilo Capital Management, LLC | 255,109 | $11.5M | 8.61% | −100,000−28.2% | Reduced |
| Ally Bridge Group (NY) LLC | 255,928 | $11.5M | 6.41% | −18,995−6.9% | Reduced |
| D. E. Shaw & Co., Inc. | 273,526 | $12.3M | 0.02% | +214,493+363.3% | Added |
| Tri Locum Partners LP | 286,322 | $12.9M | 4.47% | +286,322 | New |
| Adage Capital Partners GP, L.L.C. | 325,000 | $14.6M | 0.03% | −5,000−1.5% | Reduced |
| Citadel Advisors LLC | 352,208 | $15.9M | 0.02% | +71,957+25.7% | Added |
| Saturn V Capital Management LLC | 376,629 | $17.0M | 6.80% | −12,704−3.3% | Reduced |
| DAFNA Capital Management LLC | 378,995 | $17.1M | 3.89% | −75,875−16.7% | Reduced |
| Artal Group S.A. | 455,081 | $20.5M | 0.53% | +455,081 | New |
| Janus Henderson Group PLC | 542,580 | $24.4M | 0.01% | +11,536+2.2% | Added |
| 5AM Venture Management, LLC | 548,825 | $24.7M | 5.53% | +27,294+5.2% | Added |
| Silverarc Capital Management, LLC | 566,287 | $25.5M | 7.15% | −79,294−12.3% | Reduced |
| Pictet Asset Management Holding SA | 629,675 | $28.4M | 0.03% | −603,133−48.9% | Reduced |
| Woodline Partners LP | 670,799 | $30.2M | 0.28% | +427,570+175.8% | Added |
| Two Sigma Investments, LP | 712,109 | $32.1M | 0.08% | +397,056+126.0% | Added |
| Cormorant Asset Management, LP | 715,000 | $32.2M | 1.42% | +715,000 | New |
| Fairmount Funds Management LLC | 717,254 | $32.3M | 3.52% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 718,500 | $32.4M | 0.07% | +287,000+66.5% | Added |
| T. Rowe Price Investment Management, Inc. | 729,015 | $32.8M | 0.02% | +729,015 | New |
| Frazier Life Sciences Management, L.P. | 746,479 | $33.6M | 1.42% | 00.0% | Unchanged |
| Avoro Capital Advisors LLC | 888,888 | $40.0M | 0.47% | 00.0% | Unchanged |
| Holocene Advisors, LP | 939,576 | $42.3M | 0.16% | +939,576 | New |
| Morgan Stanley | 977,855 | $44.0M | 0.00% | +561,314+134.8% | Added |
| Rock Springs Capital Management LP | 1,146,560 | $51.6M | 1.31% | +274,491+31.5% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 1,169,028 | $52.6M | 11.72% | −430,972−26.9% | Reduced |
| BVF Inc | 1,172,249 | $52.8M | 1.45% | −1,580,171−57.4% | Reduced |
| Price T Rowe Associates Inc | 1,185,354 | $53.4M | 0.01% | +1,185,354 | New |
| Driehaus Capital Management LLC | 1,226,491 | $55.2M | 0.55% | −84,522−6.4% | Reduced |
| Wellington Management Group LLP | 1,248,640 | $56.2M | 0.01% | −760,763−37.9% | Reduced |
| BlackRock Inc. | 1,467,924 | $66.1M | 0.00% | +38,031+2.7% | Added |
| Lynx1 Capital Management LP | 1,509,007 | $68.0M | 17.50% | +373,782+32.9% | Added |
| FMR LLC | 1,662,545 | $74.9M | 0.01% | +932,092+127.6% | Added |
| VR Adviser, LLC | 1,790,214 | $80.6M | 3.83% | −358,000−16.7% | Reduced |
| Franklin Resources Inc | 1,873,248 | $84.4M | 0.03% | −9,843−0.5% | Reduced |
| Boxer Capital, LLC | 1,900,000 | $85.6M | 4.23% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 2,076,590 | $93.5M | 1.63% | −1,335,820−39.1% | Reduced |
| Federated Hermes, Inc. | 2,248,800 | $101.3M | 0.23% | −1,388,509−38.2% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 2,649,401 | $119.3M | 2.08% | −370,500−12.3% | Reduced |
| RTW Investments, LP | 4,109,393 | $185.0M | 2.73% | +1,735,768+73.1% | Added |
| Commodore Capital LP | 4,360,000 | $196.3M | 13.13% | −387,373−8.2% | Reduced |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,233,238−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −370,679−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −60,300−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −48,007−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −46,120−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −24,000−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −11,741−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −10,651−100.0% | Sold out |
| Sierra Summit Advisors LLC | 0 | $0 | 0.00% | −8,049−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −2,982−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −306−100.0% | Sold out |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |