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 |
|---|---|---|---|---|---|
| Commodore Capital LP | 4,360,000 | $196.3M | 13.13% | −387,373−8.2% | Reduced |
| RTW Investments, LP | 4,109,393 | $185.0M | 2.73% | +1,735,768+73.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 2,649,401 | $119.3M | 2.08% | −370,500−12.3% | Reduced |
| Federated Hermes, Inc. | 2,248,800 | $101.3M | 0.23% | −1,388,509−38.2% | Reduced |
| Samlyn Capital, LLC | 2,076,590 | $93.5M | 1.63% | −1,335,820−39.1% | Reduced |
| Boxer Capital, LLC | 1,900,000 | $85.6M | 4.23% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,873,248 | $84.4M | 0.03% | −9,843−0.5% | Reduced |
| VR Adviser, LLC | 1,790,214 | $80.6M | 3.83% | −358,000−16.7% | Reduced |
| FMR LLC | 1,662,545 | $74.9M | 0.01% | +932,092+127.6% | Added |
| Lynx1 Capital Management LP | 1,509,007 | $68.0M | 17.50% | +373,782+32.9% | Added |
| BlackRock Inc. | 1,467,924 | $66.1M | 0.00% | +38,031+2.7% | Added |
| Wellington Management Group LLP | 1,248,640 | $56.2M | 0.01% | −760,763−37.9% | Reduced |
| Driehaus Capital Management LLC | 1,226,491 | $55.2M | 0.55% | −84,522−6.4% | Reduced |
| Price T Rowe Associates Inc | 1,185,354 | $53.4M | 0.01% | +1,185,354 | New |
| BVF Inc | 1,172,249 | $52.8M | 1.45% | −1,580,171−57.4% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 1,169,028 | $52.6M | 11.72% | −430,972−26.9% | Reduced |
| Rock Springs Capital Management LP | 1,146,560 | $51.6M | 1.31% | +274,491+31.5% | Added |
| Morgan Stanley | 977,855 | $44.0M | 0.00% | +561,314+134.8% | Added |
| Holocene Advisors, LP | 939,576 | $42.3M | 0.16% | +939,576 | New |
| Avoro Capital Advisors LLC | 888,888 | $40.0M | 0.47% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 746,479 | $33.6M | 1.42% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 729,015 | $32.8M | 0.02% | +729,015 | New |
| Two Sigma Advisers, LP | 718,500 | $32.4M | 0.07% | +287,000+66.5% | Added |
| Fairmount Funds Management LLC | 717,254 | $32.3M | 3.52% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 715,000 | $32.2M | 1.42% | +715,000 | New |
| Two Sigma Investments, LP | 712,109 | $32.1M | 0.08% | +397,056+126.0% | Added |
| Woodline Partners LP | 670,799 | $30.2M | 0.28% | +427,570+175.8% | Added |
| Pictet Asset Management Holding SA | 629,675 | $28.4M | 0.03% | −603,133−48.9% | Reduced |
| Silverarc Capital Management, LLC | 566,287 | $25.5M | 7.15% | −79,294−12.3% | Reduced |
| 5AM Venture Management, LLC | 548,825 | $24.7M | 5.53% | +27,294+5.2% | Added |
| Janus Henderson Group PLC | 542,580 | $24.4M | 0.01% | +11,536+2.2% | Added |
| Artal Group S.A. | 455,081 | $20.5M | 0.53% | +455,081 | New |
| DAFNA Capital Management LLC | 378,995 | $17.1M | 3.89% | −75,875−16.7% | Reduced |
| Saturn V Capital Management LLC | 376,629 | $17.0M | 6.80% | −12,704−3.3% | Reduced |
| Citadel Advisors LLC | 352,208 | $15.9M | 0.02% | +71,957+25.7% | Added |
| Adage Capital Partners GP, L.L.C. | 325,000 | $14.6M | 0.03% | −5,000−1.5% | Reduced |
| Tri Locum Partners LP | 286,322 | $12.9M | 4.47% | +286,322 | New |
| D. E. Shaw & Co., Inc. | 273,526 | $12.3M | 0.02% | +214,493+363.3% | Added |
| Ally Bridge Group (NY) LLC | 255,928 | $11.5M | 6.41% | −18,995−6.9% | Reduced |
| Aquilo Capital Management, LLC | 255,109 | $11.5M | 8.61% | −100,000−28.2% | Reduced |
| State Street Corp | 244,676 | $11.0M | 0.00% | +8,988+3.8% | Added |
| StemPoint Capital LP | 233,871 | $10.5M | 2.81% | −267,935−53.4% | Reduced |
| Great Point Partners LLC | 223,288 | $10.1M | 1.57% | +203,288+1,016.4% | Added |
| Soleus Capital Management, L.P. | 195,577 | $8.81M | 0.77% | −107,000−35.4% | Reduced |
| Integral Health Asset Management, LLC | 165,000 | $7.43M | 0.73% | +165,000 | New |
| Vanguard Group Inc | 156,149 | $7.03M | 0.00% | +4,192+2.8% | Added |
| TD Asset Management Inc | 151,174 | $6.81M | 0.01% | +151,174 | New |
| Millennium Management LLC | 150,270 | $6.77M | 0.01% | −543,057−78.3% | Reduced |
| Sphera Funds Management Ltd. | 149,333 | $6.72M | 1.09% | −81,000−35.2% | Reduced |
| Invesco Ltd. | 128,249 | $5.78M | 0.00% | +80,885+170.8% | Added |
| ExodusPoint Capital Management, LP | 124,628 | $5.61M | 0.07% | +85,541+218.8% | Added |
| Walleye Capital LLC | 122,254 | $5.51M | 0.06% | +122,254 | New |
| HighVista Strategies LLC | 121,680 | $5.48M | 1.95% | −11,892−8.9% | Reduced |
| Eversept Partners, LP | 119,482 | $5.38M | 0.40% | +3,756+3.2% | Added |
| Cubist Systematic Strategies, LLC | 113,632 | $5.12M | 0.06% | −12,873−10.2% | Reduced |
| Deutsche Bank AG | 112,102 | $5.05M | 0.00% | −451−0.4% | Reduced |
| Altitude Crest Partners Inc. | 109,837 | $4.95M | 2.12% | +109,837 | New |
| JPMorgan Chase & Co | 109,430 | $4.93M | 0.00% | +98,334+886.2% | Added |
| Marshall Wace, LLP | 104,892 | $4.72M | 0.01% | +104,892 | New |
| Goldman Sachs Group Inc | 104,714 | $4.72M | 0.00% | −282,230−72.9% | Reduced |
| BNP Paribas Arbitrage, SA | 102,885 | $4.63M | 0.01% | +40,060+63.8% | Added |
| Decheng Capital LLC | 101,798 | $4.58M | 0.61% | +101,798 | New |
| Platinum Investment Management Ltd | 99,490 | $4.48M | 0.18% | −42,539−30.0% | Reduced |
| Algert Global LLC | 97,774 | $4.40M | 0.17% | +28,841+41.8% | Added |
| Nan Fung Group Holdings Ltd | 89,516 | $4.03M | 3.73% | −47,522−34.7% | Reduced |
| Alliancebernstein L.P. | 83,260 | $3.75M | 0.00% | −85,838−50.8% | Reduced |
| Parkman Healthcare Partners LLC | 80,123 | $3.61M | 0.44% | −77,694−49.2% | Reduced |
| Swiss National Bank | 74,054 | $3.33M | 0.00% | +1,400+1.9% | Added |
| Manufacturers Life Insurance Company, The | 71,947 | $3.24M | 0.00% | +71,947 | New |
| Atom Investors LP | 70,571 | $3.18M | 0.40% | +35,027+98.5% | Added |
| Voloridge Investment Management, LLC | 65,701 | $2.96M | 0.01% | +65,701 | New |
| Trexquant Investment LP | 63,556 | $2.86M | 0.06% | +23,067+57.0% | Added |
| State of New Jersey Common Pension Fund D | 58,574 | $2.64M | 0.01% | +58,574 | New |
| Geode Capital Management, LLC | 57,458 | $2.59M | 0.00% | +3,850+7.2% | Added |
| Bank of America Corp | 55,183 | $2.48M | 0.00% | +37,079+204.8% | Added |
| DekaBank Deutsche Girozentrale | 56,000 | $2.44M | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 52,000 | $2.34M | 0.01% | +52,000 | New |
| Northern Trust Corp | 51,581 | $2.32M | 0.00% | −3,062−5.6% | Reduced |
| First Trust Advisors LP | 51,063 | $2.30M | 0.00% | +15,878+45.1% | Added |
| Artia Global Partners LP | 50,171 | $2.26M | 0.55% | +50,171 | New |
| Credit Suisse AG | 48,694 | $2.19M | 0.00% | +3,704+8.2% | Added |
| Nuveen Asset Management, LLC | 46,574 | $2.10M | 0.00% | +2,897+6.6% | Added |
| Nebula Research & Development LLC | 44,657 | $2.01M | 0.43% | +25,133+128.7% | Added |
| Alps Advisors Inc | 40,828 | $1.84M | 0.01% | +700+1.7% | Added |
| Susquehanna Fundamental Investments, LLC | 39,910 | $1.80M | 0.08% | +39,910 | New |
| Carmignac Gestion | 39,172 | $1.76M | 0.03% | −364,689−90.3% | Reduced |
| UBS Asset Management Americas Inc | 35,754 | $1.61M | 0.00% | +2,158+6.4% | Added |
| Legal & General Group Plc | 34,621 | $1.56M | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 33,745 | $1.52M | 0.00% | +936+2.9% | Added |
| Tudor Investment Corp Et Al | 32,046 | $1.44M | 0.02% | +7,603+31.1% | Added |
| UBS Oconnor LLC | 31,642 | $1.42M | 0.04% | −89,658−73.9% | Reduced |
| Bank of New York Mellon Corp | 31,145 | $1.40M | 0.00% | +31,145 | New |
| Voya Investment Management LLC | 29,850 | $1.34M | 0.00% | −64,125−68.2% | Reduced |
| Barclays PLC | 27,500 | $1.24M | 0.00% | +174+0.6% | Added |
| Schonfeld Strategic Advisors LLC | 26,900 | $1.21M | 0.01% | −10,700−28.5% | Reduced |
| Hudson Bay Capital Management LP | 25,000 | $1.13M | 0.01% | −62,200−71.3% | Reduced |
| Sanders Morris Harris LLC | 24,870 | $1.12M | 0.21% | 00.0% | Unchanged |
| HealthInvest Partners AB | 24,325 | $1.10M | 0.67% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 22,731 | $1.02M | 0.00% | −2,887−11.3% | Reduced |
| Fred Alger Management, LLC | 20,597 | $927.5K | 0.00% | +20,597 | New |