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 |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 19 | $604 | 0.00% | −348−94.8% | Reduced |
| State of Wyoming | 110 | $3.00K | 0.00% | −6−5.2% | Reduced |
| TFC Financial Management | 81 | $3.00K | 0.00% | +81 | New |
| Daiwa Securities Group Inc. | 125 | $4.00K | 0.00% | +125 | New |
| Wells Fargo & Company | 300 | $10.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 594 | $19.0K | 0.00% | −1,374−69.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 800 | $25.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 987 | $32.0K | 0.00% | −2,312−70.1% | Reduced |
| Macquarie Group Ltd | 1,716 | $55.0K | 0.00% | −869−33.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,836 | $58.0K | 0.00% | +1,836 | New |
| Simplex Trading, LLC | 2,215 | $70.0K | 0.00% | +2,215 | New |
| Federation des caisses Desjardins du Quebec | 2,927 | $93.0K | 0.00% | −4,130−58.5% | Reduced |
| JPMorgan Chase & Co | 3,892 | $124.0K | 0.00% | +3,798+4,040.4% | Added |
| DekaBank Deutsche Girozentrale | 4,000 | $127.0K | 0.00% | +4,000 | New |
| Quantbot Technologies LP | 4,200 | $133.0K | 0.01% | +4,200 | New |
| Ensign Peak Advisors, Inc | 5,500 | $175.0K | 0.00% | +5,500 | New |
| Virtus ETF Advisers LLC | 5,843 | $186.0K | 0.07% | −3,548−37.8% | Reduced |
| Veritable, L.P. | 6,410 | $204.0K | 0.00% | +6,410 | New |
| Cubist Systematic Strategies, LLC | 6,590 | $210.0K | 0.00% | +6,587+219,566.7% | Added |
| Legal & General Group Plc | 6,627 | $211.0K | 0.00% | +1,200+22.1% | Added |
| Arizona State Retirement System | 7,465 | $237.0K | 0.00% | +7,465 | New |
| Old Well Partners, LLC | 7,532 | $240.0K | 0.15% | +7,532 | New |
| UBS Asset Management Americas Inc | 8,062 | $256.4K | 0.00% | +8,062 | New |
| Brown Advisory Inc | 8,082 | $257.0K | 0.00% | +8,082 | New |
| D. E. Shaw & Co., Inc. | 8,851 | $281.0K | 0.00% | +8,851 | New |
| Jefferies Group LLC | 8,978 | $285.5K | 0.01% | +8,978 | New |
| Weiss Multi-Strategy Advisers LLC | 9,024 | $287.0K | 0.01% | −11,009−55.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,163 | $314.0K | 0.00% | −1,659−14.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 11,200 | $356.0K | 0.01% | +11,200 | New |
| Credit Suisse AG | 14,113 | $448.0K | 0.00% | −148−1.0% | Reduced |
| Walleye Capital LLC | 14,525 | $462.0K | 0.02% | +14,525 | New |
| Algert Global LLC | 14,918 | $474.0K | 0.06% | −950−6.0% | Reduced |
| TD Waterhouse Canada Inc. | 18,389 | $543.9K | 0.01% | +18,389 | New |
| Tudor Investment Corp Et Al | 18,549 | $590.0K | 0.01% | +18,549 | New |
| Eversept Partners, LP | 19,000 | $604.2K | 0.05% | +19,000 | New |
| Geode Capital Management, LLC | 20,484 | $651.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 22,646 | $720.0K | 0.00% | +20,815+1,136.8% | Added |
| California State Teachers Retirement System | 23,422 | $745.0K | 0.00% | +5,851+33.3% | Added |
| Sanders Morris Harris LLC | 24,870 | $770.0K | 0.13% | 00.0% | Unchanged |
| J. Goldman & Co LP | 26,812 | $853.0K | 0.08% | +26,812 | New |
| Vident Investment Advisory, LLC | 31,495 | $1.00M | 0.03% | +31,495 | New |
| First Quadrant L P | 33,200 | $1.06M | 0.11% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 36,704 | $1.17M | 0.00% | −12,772−25.8% | Reduced |
| Tekla Capital Management LLC | 41,857 | $1.33M | 0.04% | +41,857 | New |
| Victory Capital Management Inc | 44,620 | $1.42M | 0.00% | −2,020−4.3% | Reduced |
| Resolute Capital Asset Partners LLC | 45,000 | $1.43M | 0.93% | +45,000 | New |
| Acadian Asset Management LLC | 49,871 | $1.58M | 0.01% | −44,263−47.0% | Reduced |
| Alps Advisors Inc | 50,050 | $1.59M | 0.02% | +50,050 | New |
| Ikarian Capital, LLC | 50,907 | $1.62M | 0.46% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 53,500 | $1.70M | 0.02% | +53,500 | New |
| Northern Trust Corp | 53,549 | $1.70M | 0.00% | +7,955+17.4% | Added |
| HighVista Strategies LLC | 53,840 | $1.71M | 1.36% | +53,840 | New |
| LMR Partners LLP | 55,000 | $1.75M | 0.02% | +55,000 | New |
| Pura Vida Investments, LLC | 58,660 | $1.86M | 0.19% | +58,660 | New |
| Swiss National Bank | 61,054 | $1.94M | 0.00% | +13,900+29.5% | Added |
| Alliancebernstein L.P. | 70,354 | $2.24M | 0.00% | +70,354 | New |
| Norges Bank | 75,000 | $2.38M | 0.00% | +75,000 | New |
| Goldman Sachs Group Inc | 76,108 | $2.42M | 0.00% | +43,136+130.8% | Added |
| Citigroup Inc | 81,678 | $2.60M | 0.00% | −35,619−30.4% | Reduced |
| ExodusPoint Capital Management, LP | 82,431 | $2.62M | 0.03% | +61,545+294.7% | Added |
| Sio Capital Management, LLC | 90,000 | $2.86M | 0.87% | +90,000 | New |
| Cormorant Asset Management, LP | 100,000 | $3.18M | 0.19% | −150,000−60.0% | Reduced |
| Avidity Partners Management LP | 103,000 | $3.27M | 0.07% | +103,000 | New |
| Two Sigma Investments, LP | 110,883 | $3.53M | 0.01% | −129,869−53.9% | Reduced |
| HealthCor Management, L.P. | 111,760 | $3.55M | 0.20% | +40,862+57.6% | Added |
| Vanguard Group Inc | 120,251 | $3.82M | 0.00% | −6,185−4.9% | Reduced |
| Point72 Asset Management, L.P. | 120,941 | $3.85M | 0.02% | −43,209−26.3% | Reduced |
| Kynam Capital Management, LP | 122,158 | $3.88M | 2.08% | +122,158 | New |
| State Street Corp | 161,982 | $5.15M | 0.00% | +46,049+39.7% | Added |
| Platinum Investment Management Ltd | 176,509 | $5.61M | 0.16% | −63,528−26.5% | Reduced |
| RTW Investments, LP | 196,231 | $6.24M | 0.09% | +196,231 | New |
| TCG Crossover Management, LLC | 225,000 | $7.16M | 3.35% | +225,000 | New |
| DAFNA Capital Management LLC | 226,089 | $7.19M | 1.81% | +94,140+71.3% | Added |
| Woodline Partners LP | 231,737 | $7.37M | 0.11% | +231,737 | New |
| Acuta Capital Partners, LLC | 235,500 | $7.49M | 3.15% | +113,500+93.0% | Added |
| Two Sigma Advisers, LP | 238,100 | $7.57M | 0.02% | −900−0.4% | Reduced |
| AXA S.A. | 277,271 | $8.82M | 0.02% | +3,204+1.2% | Added |
| Lord, Abbett & Co. LLC | 316,153 | $10.1M | 0.02% | +316,153 | New |
| Opaleye Management Inc. | 317,800 | $10.1M | 2.14% | +217,550+217.0% | Added |
| Silverarc Capital Management, LLC | 320,174 | $10.2M | 4.56% | −25,790−7.5% | Reduced |
| Sphera Funds Management Ltd. | 340,951 | $10.8M | 1.29% | +31,524+10.2% | Added |
| 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 |
| Morgan Stanley | 354,581 | $11.3M | 0.00% | −74,803−17.4% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 437,000 | $13.9M | 0.29% | +437,000 | New |
| Vivo Capital, LLC | 442,000 | $14.1M | 0.85% | 00.0% | Unchanged |
| Franklin Resources Inc | 453,169 | $14.4M | 0.01% | +278,159+158.9% | Added |
| Frazier Management LLC | 559,179 | $17.8M | 1.37% | +559,179 | New |
| Citadel Advisors LLC | 597,342 | $19.0M | 0.02% | +419,152+235.2% | Added |
| FMR LLC | 675,686 | $21.5M | 0.00% | +429,086+174.0% | Added |
| BlackRock Inc. | 697,622 | $22.2M | 0.00% | +418,306+149.8% | Added |
| Millennium Management LLC | 774,767 | $24.6M | 0.03% | +218,244+39.2% | Added |
| Lynx1 Capital Management LP | 783,398 | $24.9M | 21.74% | +783,398 | New |
| Aquilo Capital Management, LLC | 896,502 | $28.5M | 7.01% | +896,502 | New |
| MPM Oncology Impact Management LP | 927,302 | $29.5M | 5.38% | −14,646−1.6% | Reduced |
| Driehaus Capital Management LLC | 1,096,679 | $34.9M | 0.36% | +427,302+63.8% | Added |
| Commodore Capital LP | 1,498,890 | $47.7M | 11.04% | +780,754+108.7% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $50.9M | 12.73% | 00.0% | Unchanged |
| Boxer Capital, LLC | 1,900,000 | $60.4M | 2.40% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 2,037,469 | $64.8M | 0.32% | 00.0% | Unchanged |