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 |
|---|---|---|---|---|---|
| Commodore Capital LP | 4,747,373 | $130.6M | 11.41% | +319,301+7.2% | Added |
| Federated Hermes, Inc. | 3,637,309 | $100.0M | 0.25% | +751,609+26.0% | Added |
| Samlyn Capital, LLC | 3,412,410 | $93.8M | 2.04% | +155,892+4.8% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,019,901 | $83.0M | 1.53% | −857,037−22.1% | Reduced |
| BVF Inc | 2,752,420 | $75.7M | 1.89% | 00.0% | Unchanged |
| RTW Investments, LP | 2,373,625 | $65.3M | 1.02% | +376,861+18.9% | Added |
| VR Adviser, LLC | 2,148,214 | $59.1M | 4.05% | +422,000+24.4% | Added |
| Wellington Management Group LLP | 2,009,403 | $55.3M | 0.01% | −725,844−26.5% | Reduced |
| Boxer Capital, LLC | 1,900,000 | $52.3M | 2.60% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,883,091 | $51.8M | 0.02% | −8,835−0.5% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $44.0M | 14.85% | 00.0% | Unchanged |
| BlackRock Inc. | 1,429,893 | $39.3M | 0.00% | −36,043−2.5% | Reduced |
| Driehaus Capital Management LLC | 1,311,013 | $36.1M | 0.43% | +175,818+15.5% | Added |
| Balyasny Asset Management LLC | 1,233,238 | $33.9M | 0.09% | +372,879+43.3% | Added |
| Pictet Asset Management Holding SA | 1,232,808 | $33.9M | 0.04% | +1,232,808 | New |
| Lynx1 Capital Management LP | 1,135,225 | $31.2M | 12.28% | −15,000−1.3% | Reduced |
| Avoro Capital Advisors LLC | 888,888 | $24.4M | 0.34% | +444,444+100.0% | Added |
| Rock Springs Capital Management LP | 872,069 | $24.0M | 0.59% | +33,641+4.0% | Added |
| Frazier Life Sciences Management, L.P. | 746,479 | $20.5M | 1.10% | 00.0% | Unchanged |
| FMR LLC | 730,453 | $20.1M | 0.00% | −44,500−5.7% | Reduced |
| Fairmount Funds Management LLC | 717,254 | $19.7M | 2.08% | −1,164,091−61.9% | Reduced |
| Millennium Management LLC | 693,327 | $19.1M | 0.02% | +64,128+10.2% | Added |
| Silverarc Capital Management, LLC | 645,581 | $17.8M | 5.48% | +145,581+29.1% | Added |
| Janus Henderson Group PLC | 531,044 | $14.6M | 0.01% | +332,756+167.8% | Added |
| 5AM Venture Management, LLC | 521,531 | $14.3M | 3.80% | +521,531 | New |
| StemPoint Capital LP | 501,806 | $13.8M | 3.72% | +501,806 | New |
| DAFNA Capital Management LLC | 454,870 | $12.5M | 3.00% | −30,000−6.2% | Reduced |
| Two Sigma Advisers, LP | 431,500 | $11.9M | 0.03% | +212,400+96.9% | Added |
| Morgan Stanley | 416,541 | $11.5M | 0.00% | +69,645+20.1% | Added |
| Carmignac Gestion | 403,861 | $11.1M | 0.19% | −50,470−11.1% | Reduced |
| Saturn V Capital Management LLC | 389,333 | $10.7M | 4.10% | +349,267+871.7% | Added |
| Goldman Sachs Group Inc | 386,944 | $10.6M | 0.00% | +180,967+87.9% | Added |
| Braidwell LP | 370,679 | $10.2M | 0.37% | −1,530,658−80.5% | Reduced |
| Aquilo Capital Management, LLC | 355,109 | $9.77M | 6.85% | −75,000−17.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 330,000 | $9.07M | 0.02% | +230,000+230.0% | Added |
| Two Sigma Investments, LP | 315,053 | $8.66M | 0.02% | +256,863+441.4% | Added |
| Soleus Capital Management, L.P. | 302,577 | $8.32M | 0.92% | −81,913−21.3% | Reduced |
| Citadel Advisors LLC | 280,251 | $7.71M | 0.01% | +277,066+8,699.1% | Added |
| Ally Bridge Group (NY) LLC | 274,923 | $7.56M | 5.44% | +53,539+24.2% | Added |
| Woodline Partners LP | 243,229 | $6.69M | 0.07% | 00.0% | Unchanged |
| State Street Corp | 235,688 | $6.48M | 0.00% | +15,910+7.2% | Added |
| Sphera Funds Management Ltd. | 230,333 | $6.33M | 1.18% | −23,000−9.1% | Reduced |
| Alliancebernstein L.P. | 169,098 | $4.65M | 0.00% | −23,186−12.1% | Reduced |
| Parkman Healthcare Partners LLC | 157,817 | $4.34M | 0.61% | +27,082+20.7% | Added |
| Vanguard Group Inc | 151,957 | $4.18M | 0.00% | −27,093−15.1% | Reduced |
| Platinum Investment Management Ltd | 142,029 | $3.91M | 0.16% | 00.0% | Unchanged |
| Nan Fung Group Holdings Ltd | 137,038 | $3.77M | 2.35% | 00.0% | Unchanged |
| HighVista Strategies LLC | 133,572 | $3.67M | 1.33% | +10,941+8.9% | Added |
| Cubist Systematic Strategies, LLC | 126,505 | $3.48M | 0.04% | +126,505 | New |
| UBS Oconnor LLC | 121,300 | $3.34M | 0.11% | −30,806−20.3% | Reduced |
| Eversept Partners, LP | 115,726 | $3.18M | 0.31% | −18,284−13.6% | Reduced |
| Deutsche Bank AG | 112,553 | $3.10M | 0.00% | +236+0.2% | Added |
| Voya Investment Management LLC | 93,975 | $2.58M | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 87,200 | $2.40M | 0.02% | −80,618−48.0% | Reduced |
| Swiss National Bank | 72,654 | $2.00M | 0.00% | −20,700−22.2% | Reduced |
| Algert Global LLC | 68,933 | $1.90M | 0.08% | −1,549−2.2% | Reduced |
| BNP Paribas Arbitrage, SA | 62,825 | $1.73M | 0.00% | +36,160+135.6% | Added |
| Norges Bank | 60,300 | $1.66M | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 59,033 | $1.62M | 0.00% | +59,033 | New |
| DekaBank Deutsche Girozentrale | 56,000 | $1.55M | 0.00% | +31,000+124.0% | Added |
| Northern Trust Corp | 54,643 | $1.50M | 0.00% | −6,662−10.9% | Reduced |
| Geode Capital Management, LLC | 53,608 | $1.47M | 0.00% | +150+0.3% | Added |
| Campbell & CO Investment Adviser LLC | 48,007 | $1.32M | 0.12% | +48,007 | New |
| Invesco Ltd. | 47,364 | $1.30M | 0.00% | +47,364 | New |
| Jump Financial, LLC | 46,120 | $1.27M | 0.04% | +46,120 | New |
| Credit Suisse AG | 44,990 | $1.24M | 0.00% | −3,675−7.6% | Reduced |
| Nuveen Asset Management, LLC | 43,677 | $1.20M | 0.00% | +43,677 | New |
| Trexquant Investment LP | 40,489 | $1.11M | 0.03% | +23,503+138.4% | Added |
| Alps Advisors Inc | 40,128 | $1.10M | 0.01% | +40,128 | New |
| ExodusPoint Capital Management, LP | 39,087 | $1.07M | 0.01% | +39,087 | New |
| HRT Financial LP | 37,773 | $1.04M | 0.01% | +11,265+42.5% | Added |
| Schonfeld Strategic Advisors LLC | 37,600 | $1.03M | 0.01% | −201,770−84.3% | Reduced |
| Atom Investors LP | 35,544 | $977.5K | 0.17% | +21,976+162.0% | Added |
| First Trust Advisors LP | 35,185 | $967.6K | 0.00% | +35,185 | New |
| Legal & General Group Plc | 34,621 | $952.1K | 0.00% | −1,848−5.1% | Reduced |
| UBS Asset Management Americas Inc | 33,596 | $923.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 32,809 | $902.2K | 0.00% | −4,759−12.7% | Reduced |
| Sanders Morris Harris LLC | 24,870 | $811.3K | 0.40% | 00.0% | Unchanged |
| Barclays PLC | 27,326 | $751.5K | 0.00% | −20,464−42.8% | Reduced |
| State of Wisconsin Investment Board | 25,618 | $704.5K | 0.00% | −1,737−6.3% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 24,628 | $677.3K | 0.01% | +24,628 | New |
| Tudor Investment Corp Et Al | 24,443 | $672.2K | 0.01% | +805+3.4% | Added |
| HealthInvest Partners AB | 24,325 | $668.9K | 0.52% | +24,325 | New |
| ADAR1 Capital Management, LLC | 24,000 | $660.0K | 0.30% | +24,000 | New |
| Bellevue Group AG | 22,700 | $624.3K | 0.01% | −21,800−49.0% | Reduced |
| Great Point Partners LLC | 20,000 | $550.0K | 0.09% | +20,000 | New |
| Nebula Research & Development LLC | 19,524 | $536.9K | 0.16% | +19,524 | New |
| Bank of America Corp | 18,104 | $497.9K | 0.00% | −529−2.8% | Reduced |
| Allianz Asset Management GmbH | 17,100 | $470.3K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 13,434 | $369.4K | 0.00% | +13,434 | New |
| Corton Capital Inc. | 13,206 | $363.2K | 0.12% | +786+6.3% | Added |
| Aquatic Capital Management LLC | 13,200 | $363.0K | 0.01% | +13,200 | New |
| Bayesian Capital Management, LP | 11,741 | $322.9K | 0.03% | +11,741 | New |
| JPMorgan Chase & Co | 11,096 | $305.1K | 0.00% | −152−1.4% | Reduced |
| Victory Capital Management Inc | 10,770 | $296.2K | 0.00% | +10,770 | New |
| Weiss Multi-Strategy Advisers LLC | 10,651 | $293.0K | 0.01% | −1,849−14.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,114 | $283.5K | 0.00% | −3,332−24.8% | Reduced |
| Arizona State Retirement System | 10,299 | $283.2K | 0.00% | −1,804−14.9% | Reduced |
| Brevan Howard Capital Management LP | 9,134 | $251.2K | 0.03% | +9,134 | New |
| Engineers Gate Manager LP | 9,126 | $251.0K | 0.01% | +9,126 | New |