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 2024
Institutional positions in Merus N.V. as of Dec 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
- 192
- +5 vs. Q3 2024
- Shares held
- 70.4M
- +1.36M (+2.0%) vs. Q3 2024
- Total value
- $2.96B
- −$493.5M (−14.3%) vs. Q3 2024
- New holders
- 37
- 72 more added
- Sold out
- 32
- 54 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 6,899,521 | $290.1M | 0.02% | +25,595+0.4% | Added |
| RTW Investments, LP | 4,169,393 | $175.3M | 2.65% | 00.0% | Unchanged |
| Commodore Capital LP | 3,874,182 | $162.9M | 11.94% | +524,182+15.6% | Added |
| Wellington Management Group LLP | 3,497,653 | $147.1M | 0.03% | +610,139+21.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 2,972,787 | $125.0M | 2.38% | −435,752−12.8% | Reduced |
| Samlyn Capital, LLC | 2,668,178 | $112.2M | 1.78% | +57,785+2.2% | Added |
| Avoro Capital Advisors LLC | 2,125,000 | $89.4M | 1.26% | +770,000+56.8% | Added |
| Franklin Resources Inc | 1,984,538 | $83.4M | 0.02% | −271,966−12.1% | Reduced |
| Boxer Capital Management, LLC | 1,900,000 | $79.9M | 6.80% | +1,900,000 | New |
| Holocene Advisors, LP | 1,880,018 | $79.1M | 0.26% | +242,030+14.8% | Added |
| Polar Capital Holdings Plc | 1,706,238 | $71.7M | 0.40% | +439,186+34.7% | Added |
| Paradigm Biocapital Advisors LP | 1,689,922 | $71.1M | 2.47% | −764,995−31.2% | Reduced |
| Federated Hermes, Inc. | 1,593,375 | $67.0M | 0.15% | −413,425−20.6% | Reduced |
| BlackRock, Inc. | 1,587,161 | $66.7M | 0.00% | −58,248−3.5% | Reduced |
| Lynx1 Capital Management LP | 1,580,841 | $66.5M | 24.92% | −213,025−11.9% | Reduced |
| Driehaus Capital Management LLC | 1,280,337 | $53.8M | 0.44% | −78,631−5.8% | Reduced |
| Woodline Partners LP | 1,188,518 | $50.0M | 0.34% | +3,593+0.3% | Added |
| Price T Rowe Associates Inc | 1,116,820 | $47.0M | 0.01% | −165,160−12.9% | Reduced |
| UBS Group AG | 1,107,438 | $46.6M | 0.01% | +1,096,654+10,169.3% | Added |
| Pictet Asset Management Holding SA | 1,031,827 | $43.4M | 0.05% | +19,379+1.9% | Added |
| Westfield Capital Management Co LP | 993,157 | $41.8M | 0.18% | +384,700+63.2% | Added |
| Rock Springs Capital Management LP | 892,549 | $37.5M | 1.43% | 00.0% | Unchanged |
| Millennium Management LLC | 883,565 | $37.2M | 0.03% | +411,184+87.0% | Added |
| Marshall Wace, LLP | 862,089 | $36.3M | 0.05% | −260,014−23.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 808,576 | $34.0M | 0.02% | −21,692−2.6% | Reduced |
| Alliancebernstein L.P. | 796,957 | $33.5M | 0.01% | +66,326+9.1% | Added |
| Invesco Ltd. | 786,365 | $33.1M | 0.01% | +16,712+2.2% | Added |
| Siren, L.L.C. | 784,412 | $33.0M | 1.46% | +102,211+15.0% | Added |
| Novo Holdings A/S | 750,000 | $31.5M | 1.91% | +50,000+7.1% | Added |
| Logos Global Management LP | 750,000 | $31.5M | 3.69% | +175,000+30.4% | Added |
| Cormorant Asset Management, LP | 740,000 | $31.1M | 1.71% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 720,800 | $30.3M | 0.07% | −9,000−1.2% | Reduced |
| Silverarc Capital Management, LLC | 680,845 | $28.6M | 6.40% | +45,406+7.1% | Added |
| StemPoint Capital LP | 614,812 | $25.9M | 6.48% | +193,590+46.0% | Added |
| VR Adviser, LLC | 592,411 | $24.9M | 1.71% | −315,552−34.8% | Reduced |
| Morgan Stanley | 575,200 | $24.2M | 0.00% | −774,619−57.4% | Reduced |
| Two Sigma Investments, LP | 507,741 | $21.4M | 0.05% | −85,298−14.4% | Reduced |
| Artia Global Partners LP | 463,840 | $19.5M | 7.87% | +383,669+478.6% | Added |
| Gilead Sciences, Inc. | 452,527 | $19.0M | 1.23% | +452,527 | New |
| DAFNA Capital Management LLC | 451,804 | $19.0M | 4.83% | +39,231+9.5% | Added |
| Baker Bros. Advisors LP | 450,000 | $18.9M | 0.20% | +150,000+50.0% | Added |
| Affinity Asset Advisors, LLC | 389,241 | $16.4M | 2.56% | +227,500+140.7% | Added |
| Frazier Life Sciences Management, L.P. | 373,100 | $15.7M | 0.65% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 359,048 | $15.1M | 0.02% | −304,541−45.9% | Reduced |
| Tri Locum Partners LP | 347,303 | $14.6M | 3.03% | +155,146+80.7% | Added |
| TimesSquare Capital Management, LLC | 331,195 | $13.9M | 0.20% | +58,760+21.6% | Added |
| Soleus Capital Management, L.P. | 312,321 | $13.1M | 0.99% | −86,000−21.6% | Reduced |
| Octagon Capital Advisors LP | 308,000 | $13.0M | 2.21% | +308,000 | New |
| Perceptive Advisors LLC | 300,000 | $12.6M | 0.35% | 00.0% | Unchanged |
| First Turn Management, LLC | 285,159 | $12.0M | 2.15% | −22,855−7.4% | Reduced |
| Vanguard Group Inc | 261,628 | $11.0M | 0.00% | +14,694+6.0% | Added |
| Caligan Partners LP | 255,000 | $10.7M | 2.72% | +255,000 | New |
| Camber Capital Management LP | 250,000 | $10.5M | 0.41% | +250,000 | New |
| Adage Capital Partners GP, L.L.C. | 250,000 | $10.5M | 0.02% | +65,000+35.1% | Added |
| Goldman Sachs Group Inc | 242,193 | $10.2M | 0.00% | −498,698−67.3% | Reduced |
| Saturn V Capital Management LLC | 234,637 | $9.87M | 3.86% | +103,397+78.8% | Added |
| State Street Corp | 221,518 | $9.31M | 0.00% | −33,546−13.2% | Reduced |
| Qube Research & Technologies Ltd | 191,191 | $8.04M | 0.01% | +93,414+95.5% | Added |
| Decheng Capital LLC | 189,098 | $7.95M | 1.71% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 187,548 | $7.89M | 0.01% | −7,006−3.6% | Reduced |
| Impax Asset Management Group plc | 180,000 | $7.57M | 0.03% | +180,000 | New |
| Algert Global LLC | 173,114 | $7.28M | 0.17% | +19,390+12.6% | Added |
| Great Point Partners LLC | 158,092 | $6.65M | 3.13% | −91,908−36.8% | Reduced |
| State of Wisconsin Investment Board | 157,865 | $6.64M | 0.02% | −8,653−5.2% | Reduced |
| CenterBook Partners LP | 142,875 | $6.01M | 0.36% | +124,174+664.0% | Added |
| Alyeska Investment Group, L.P. | 136,364 | $5.73M | 0.02% | +136,364 | New |
| Sphera Funds Management Ltd. | 130,532 | $5.49M | 1.01% | −17,101−11.6% | Reduced |
| Nan Fung Group Holdings Ltd | 120,038 | $5.05M | 4.32% | 00.0% | Unchanged |
| Ally Bridge Group (NY) LLC | 116,796 | $4.91M | 4.21% | −91,448−43.9% | Reduced |
| Ensign Peak Advisors, Inc | 114,000 | $4.79M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 113,056 | $4.75M | 0.00% | +416+0.4% | Added |
| Granahan Investment Management Inc | 104,562 | $4.40M | 0.18% | −8,689−7.7% | Reduced |
| Atom Investors LP | 101,757 | $4.28M | 0.53% | +101,757 | New |
| Trexquant Investment LP | 100,733 | $4.24M | 0.05% | −9,711−8.8% | Reduced |
| Tang Capital Management LLC | 100,000 | $4.21M | 0.28% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 98,744 | $4.15M | 0.00% | +14,544+17.3% | Added |
| Swiss National Bank | 93,954 | $3.95M | 0.00% | +8,300+9.7% | Added |
| Standard Life Aberdeen plc | 87,215 | $3.67M | 0.01% | 00.0% | Unchanged |
| Springhill Fund Asset Management (HK) Co Ltd | 83,800 | $3.52M | 5.72% | +83,800 | New |
| ADAR1 Capital Management, LLC | 81,460 | $3.43M | 0.71% | −71,826−46.9% | Reduced |
| Boothbay Fund Management, LLC | 80,000 | $3.36M | 0.10% | +80,000 | New |
| Northern Trust Corp | 76,335 | $3.21M | 0.00% | +28,983+61.2% | Added |
| TD Asset Management Inc | 75,240 | $3.16M | 0.00% | −11,600−13.4% | Reduced |
| Rhenman & Partners Asset Management AB | 74,500 | $3.13M | 0.32% | −5,000−6.3% | Reduced |
| Platinum Investment Management Ltd | 69,085 | $2.91M | 0.17% | 00.0% | Unchanged |
| Eversept Partners, LP | 68,258 | $2.87M | 0.30% | 00.0% | Unchanged |
| HealthInvest Partners AB | 62,521 | $2.62M | 1.24% | +11,834+23.3% | Added |
| Voya Investment Management LLC | 62,000 | $2.61M | 0.00% | +3,405+5.8% | Added |
| KBC Group NV | 57,234 | $2.41M | 0.01% | +56,012+4,583.6% | Added |
| Alps Advisors Inc | 55,361 | $2.33M | 0.01% | +1,882+3.5% | Added |
| HighVista Strategies LLC | 55,039 | $2.31M | 0.86% | −18,941−25.6% | Reduced |
| DekaBank Deutsche Girozentrale | 56,000 | $2.30M | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 54,412 | $2.29M | 0.05% | −20,825−27.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 53,938 | $2.27M | 0.04% | +53,938 | New |
| Geode Capital Management, LLC | 52,636 | $2.21M | 0.00% | +540+1.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 52,000 | $2.19M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 48,268 | $2.03M | 0.01% | +10,842+29.0% | Added |
| Verition Fund Management LLC | 48,164 | $2.03M | 0.01% | +5,418+12.7% | Added |
| Fred Alger Management, LLC | 47,288 | $1.99M | 0.01% | −10,658−18.4% | Reduced |
| Parkman Healthcare Partners LLC | 45,680 | $1.92M | 0.26% | +331+0.7% | Added |