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 2021
Institutional positions in Merus N.V. as of Dec 31, 2021. 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
- 103
- +40 vs. Q3 2021
- Shares held
- 33.0M
- +10.9M (+49.1%) vs. Q3 2021
- Total value
- $1.05B
- +$562.3M (+115.5%) vs. Q3 2021
- New holders
- 43
- 25 more added
- Sold out
- 3
- 25 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BVF Inc | 4,135,071 | $131.5M | 4.77% | +4,135,071 | New |
| Federated Hermes, Inc. | 3,679,300 | $117.0M | 0.22% | +744,500+25.4% | Added |
| Wellington Management Group LLP | 3,154,551 | $100.3M | 0.02% | −1,854,653−37.0% | Reduced |
| Baker Bros. Advisors LP | 2,037,469 | $64.8M | 0.32% | 00.0% | Unchanged |
| Boxer Capital, LLC | 1,900,000 | $60.4M | 2.40% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $50.9M | 12.73% | 00.0% | Unchanged |
| Commodore Capital LP | 1,498,890 | $47.7M | 11.04% | +780,754+108.7% | Added |
| Driehaus Capital Management LLC | 1,096,679 | $34.9M | 0.36% | +427,302+63.8% | Added |
| MPM Oncology Impact Management LP | 927,302 | $29.5M | 5.38% | −14,646−1.6% | Reduced |
| Aquilo Capital Management, LLC | 896,502 | $28.5M | 7.01% | +896,502 | New |
| Lynx1 Capital Management LP | 783,398 | $24.9M | 21.74% | +783,398 | New |
| Millennium Management LLC | 774,767 | $24.6M | 0.03% | +218,244+39.2% | Added |
| BlackRock Inc. | 697,622 | $22.2M | 0.00% | +418,306+149.8% | Added |
| FMR LLC | 675,686 | $21.5M | 0.00% | +429,086+174.0% | Added |
| Citadel Advisors LLC | 597,342 | $19.0M | 0.02% | +419,152+235.2% | Added |
| Frazier Management LLC | 559,179 | $17.8M | 1.37% | +559,179 | New |
| Franklin Resources Inc | 453,169 | $14.4M | 0.01% | +278,159+158.9% | Added |
| Vivo Capital, LLC | 442,000 | $14.1M | 0.85% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 437,000 | $13.9M | 0.29% | +437,000 | New |
| Morgan Stanley | 354,581 | $11.3M | 0.00% | −74,803−17.4% | Reduced |
| Ghost Tree Capital, LLC | 350,000 | $11.1M | 4.26% | +275,000+366.7% | Added |
| Perceptive Advisors LLC | 350,000 | $11.1M | 0.17% | +350,000 | New |
| Sphera Funds Management Ltd. | 340,951 | $10.8M | 1.29% | +31,524+10.2% | Added |
| Silverarc Capital Management, LLC | 320,174 | $10.2M | 4.56% | −25,790−7.5% | Reduced |
| Opaleye Management Inc. | 317,800 | $10.1M | 2.14% | +217,550+217.0% | Added |
| Lord, Abbett & Co. LLC | 316,153 | $10.1M | 0.02% | +316,153 | New |
| AXA S.A. | 277,271 | $8.82M | 0.02% | +3,204+1.2% | Added |
| Two Sigma Advisers, LP | 238,100 | $7.57M | 0.02% | −900−0.4% | Reduced |
| Acuta Capital Partners, LLC | 235,500 | $7.49M | 3.15% | +113,500+93.0% | Added |
| Woodline Partners LP | 231,737 | $7.37M | 0.11% | +231,737 | New |
| DAFNA Capital Management LLC | 226,089 | $7.19M | 1.81% | +94,140+71.3% | Added |
| TCG Crossover Management, LLC | 225,000 | $7.16M | 3.35% | +225,000 | New |
| RTW Investments, LP | 196,231 | $6.24M | 0.09% | +196,231 | New |
| Platinum Investment Management Ltd | 176,509 | $5.61M | 0.16% | −63,528−26.5% | Reduced |
| State Street Corp | 161,982 | $5.15M | 0.00% | +46,049+39.7% | Added |
| Kynam Capital Management, LP | 122,158 | $3.88M | 2.08% | +122,158 | New |
| Point72 Asset Management, L.P. | 120,941 | $3.85M | 0.02% | −43,209−26.3% | Reduced |
| Vanguard Group Inc | 120,251 | $3.82M | 0.00% | −6,185−4.9% | Reduced |
| HealthCor Management, L.P. | 111,760 | $3.55M | 0.20% | +40,862+57.6% | Added |
| Two Sigma Investments, LP | 110,883 | $3.53M | 0.01% | −129,869−53.9% | Reduced |
| Avidity Partners Management LP | 103,000 | $3.27M | 0.07% | +103,000 | New |
| Cormorant Asset Management, LP | 100,000 | $3.18M | 0.19% | −150,000−60.0% | Reduced |
| Sio Capital Management, LLC | 90,000 | $2.86M | 0.87% | +90,000 | New |
| ExodusPoint Capital Management, LP | 82,431 | $2.62M | 0.03% | +61,545+294.7% | Added |
| Citigroup Inc | 81,678 | $2.60M | 0.00% | −35,619−30.4% | Reduced |
| Goldman Sachs Group Inc | 76,108 | $2.42M | 0.00% | +43,136+130.8% | Added |
| Norges Bank | 75,000 | $2.38M | 0.00% | +75,000 | New |
| Alliancebernstein L.P. | 70,354 | $2.24M | 0.00% | +70,354 | New |
| Swiss National Bank | 61,054 | $1.94M | 0.00% | +13,900+29.5% | Added |
| Pura Vida Investments, LLC | 58,660 | $1.86M | 0.19% | +58,660 | New |
| LMR Partners LLP | 55,000 | $1.75M | 0.02% | +55,000 | New |
| HighVista Strategies LLC | 53,840 | $1.71M | 1.36% | +53,840 | New |
| Northern Trust Corp | 53,549 | $1.70M | 0.00% | +7,955+17.4% | Added |
| Schonfeld Strategic Advisors LLC | 53,500 | $1.70M | 0.02% | +53,500 | New |
| Ikarian Capital, LLC | 50,907 | $1.62M | 0.46% | 00.0% | Unchanged |
| Alps Advisors Inc | 50,050 | $1.59M | 0.02% | +50,050 | New |
| Acadian Asset Management LLC | 49,871 | $1.58M | 0.01% | −44,263−47.0% | Reduced |
| Resolute Capital Asset Partners LLC | 45,000 | $1.43M | 0.93% | +45,000 | New |
| Victory Capital Management Inc | 44,620 | $1.42M | 0.00% | −2,020−4.3% | Reduced |
| Tekla Capital Management LLC | 41,857 | $1.33M | 0.04% | +41,857 | New |
| Renaissance Technologies LLC | 36,704 | $1.17M | 0.00% | −12,772−25.8% | Reduced |
| First Quadrant L P | 33,200 | $1.06M | 0.11% | 00.0% | Unchanged |
| Vident Investment Advisory, LLC | 31,495 | $1.00M | 0.03% | +31,495 | New |
| J. Goldman & Co LP | 26,812 | $853.0K | 0.08% | +26,812 | New |
| Sanders Morris Harris LLC | 24,870 | $770.0K | 0.13% | 00.0% | Unchanged |
| California State Teachers Retirement System | 23,422 | $745.0K | 0.00% | +5,851+33.3% | Added |
| Bank of America Corp | 22,646 | $720.0K | 0.00% | +20,815+1,136.8% | Added |
| Geode Capital Management, LLC | 20,484 | $651.0K | 0.00% | 00.0% | Unchanged |
| Eversept Partners, LP | 19,000 | $604.2K | 0.05% | +19,000 | New |
| Tudor Investment Corp Et Al | 18,549 | $590.0K | 0.01% | +18,549 | New |
| TD Waterhouse Canada Inc. | 18,389 | $543.9K | 0.01% | +18,389 | New |
| Algert Global LLC | 14,918 | $474.0K | 0.06% | −950−6.0% | Reduced |
| Walleye Capital LLC | 14,525 | $462.0K | 0.02% | +14,525 | New |
| Credit Suisse AG | 14,113 | $448.0K | 0.00% | −148−1.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 11,200 | $356.0K | 0.01% | +11,200 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,163 | $314.0K | 0.00% | −1,659−14.0% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 9,024 | $287.0K | 0.01% | −11,009−55.0% | Reduced |
| Jefferies Group LLC | 8,978 | $285.5K | 0.01% | +8,978 | New |
| D. E. Shaw & Co., Inc. | 8,851 | $281.0K | 0.00% | +8,851 | New |
| Brown Advisory Inc | 8,082 | $257.0K | 0.00% | +8,082 | New |
| UBS Asset Management Americas Inc | 8,062 | $256.4K | 0.00% | +8,062 | New |
| Old Well Partners, LLC | 7,532 | $240.0K | 0.15% | +7,532 | New |
| Arizona State Retirement System | 7,465 | $237.0K | 0.00% | +7,465 | New |
| Legal & General Group Plc | 6,627 | $211.0K | 0.00% | +1,200+22.1% | Added |
| Cubist Systematic Strategies, LLC | 6,590 | $210.0K | 0.00% | +6,587+219,566.7% | Added |
| Veritable, L.P. | 6,410 | $204.0K | 0.00% | +6,410 | New |
| Virtus ETF Advisers LLC | 5,843 | $186.0K | 0.07% | −3,548−37.8% | Reduced |
| Ensign Peak Advisors, Inc | 5,500 | $175.0K | 0.00% | +5,500 | New |
| Quantbot Technologies LP | 4,200 | $133.0K | 0.01% | +4,200 | New |
| DekaBank Deutsche Girozentrale | 4,000 | $127.0K | 0.00% | +4,000 | New |
| JPMorgan Chase & Co | 3,892 | $124.0K | 0.00% | +3,798+4,040.4% | Added |
| Federation des caisses Desjardins du Quebec | 2,927 | $93.0K | 0.00% | −4,130−58.5% | Reduced |
| Simplex Trading, LLC | 2,215 | $70.0K | 0.00% | +2,215 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,836 | $58.0K | 0.00% | +1,836 | New |
| Macquarie Group Ltd | 1,716 | $55.0K | 0.00% | −869−33.6% | Reduced |
| UBS Group AG | 987 | $32.0K | 0.00% | −2,312−70.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 800 | $25.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 594 | $19.0K | 0.00% | −1,374−69.8% | Reduced |
| Wells Fargo & Company | 300 | $10.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 125 | $4.00K | 0.00% | +125 | New |