Merus NVMRUS
13F holders, Q3 2025 (September 30)268holders +68
105new positions
38sold out
8famous investors
$94.09avg. 13F price*
At the end of Q3 2025, 268 institutions reported holding Merus NV (MRUS) in their 13F filings, up 68 from Q2 2025. 105 opened new positions and 38 sold out. The largest holders were Paradigm Biocapital Advisors LP ($411.8M), Avoro Capital Advisors LLC ($333.5M) and Commodore Capital LP ($331.9M). 8 famous investors held it, including George Soros (0.9% of Soros Fund Management's portfolio), Paul Tudor Jones (0.5% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.1% of Point72 Asset Management's portfolio).
- Company
- Merus NV
- CUSIP
- N5749R100
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 105 | $1.7B |
| Exits | 38 | $384.5M |
All 13F filers, Q2 2025 → Q3 2025: 26,402,533 shares bought and 30,109,601 shares sold, net −3,707,068 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 268 holders
| Paradigm Biocapital Advisors LP | 12.18% | Add +2.1% | 4,373,770 | $411.8M |
| Avoro Capital Advisors LLC | 4.31% | Add +12.3% | 3,542,500 | $333.5M |
| Commodore Capital LP | 16.20% | No change | 3,525,000 | $331.9M |
| Deerfield Management Company, L.P. | 4.76% | Reduce -10.0% | 3,046,916 | $286.9M |
| HBK Investments L P | 4.45% | New | 2,850,000 | $268.3M |
| FMR LLC | 0.01% | Reduce -62.5% | 2,810,935 | $264.6M |
| BlackRock, Inc. | 0.00% | Add +106.7% | 2,172,015 | $204.5M |
| Westfield Capital Management Co. LP | 0.84% | Add +4.4% | 2,132,489 | $200.8M |
| RTW Investments, LP | 2.35% | Reduce -49.4% | 2,025,277 | $190.7M |
| Woodline Partners LP | 0.74% | Add +8.5% | 1,674,167 | $157.6M |
| Glazer Capital, LLC | 5.64% | New | 1,619,372 | $152.5M |
| Lynx1 Capital Management LP | 29.40% | Reduce -2.2% | 1,534,141 | $144.4M |
| Perceptive Advisors LLC | 3.74% | Add +91.1% | 1,353,093 | $127.4M |
| Federated Hermes, Inc. | 0.21% | Reduce -18.3% | 1,249,162 | $117.6M |
| Davidson Kempner Capital Management LP | 2.45% | New | 1,233,909 | $116.2M |
| Alliancebernstein L.P. | 0.04% | Add +8.5% | 1,196,325 | $112.6M |
| Goldman Sachs Group Inc. | 0.02% | Add +1021.2% | 1,195,408 | $112.5M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -51.9% | 1,087,143 | $102.4M |
| KRYGER CAPITAL Ltd | 11.46% | New | 1,053,500 | $99.2M |
| Magnetar Financial LLC | 0.63% | New | 1,045,209 | $98.4M |
| Pentwater Capital Management LP | 0.82% | New | 970,000 | $91.3M |
| Ameriprise Financial Inc. | 0.02% | Reduce -20.7% | 898,822 | $84.6M |
| TIG Advisors, LLC | 5.05% | New | 868,145 | $81.7M |
| Alpine Associates Management Inc. | 4.80% | New | 835,600 | $78.7M |
| JPMorgan Chase & Co. | 0.00% | Add +9.4% | 756,013 | $71.2M |
| Novo Holdings A/S | 4.55% | No change | 750,000 | $70.6M |
| Hudson Bay Capital Management LP | 0.49% | Add +4988.3% | 740,394 | $69.7M |
| Tudor Investment Corporation | 0.46% | New | 731,150 | $68.8M |
| Millennium Management | 0.05% | Add +4325.4% | 699,029 | $65.8M |
| Janus Henderson Group PLC | 0.03% | Reduce -20.2% | 662,140 | $62.3M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 1.97% | Add +3816.0% | 654,126 | $61.6M |
| Balyasny Asset Management L.P. | 0.13% | New | 644,283 | $60.7M |
| Citadel Advisors | 0.05% | Add +83.1% | 614,538 | $57.9M |
| Tang Capital Management LLC | 2.17% | No change | 600,000 | $56.5M |
| Adage Capital Partners Gp, L.L.C. | 0.09% | Reduce -28.0% | 600,000 | $56.5M |
| Rock Springs Capital Management LP | 3.30% | Reduce -43.9% | 597,051 | $56.2M |
| UBS Group AG | 0.01% | Add +0.6% | 581,071 | $54.7M |
| Baker Bros. Advisors LP | 0.39% | No change | 574,377 | $54.1M |
| Invesco Ltd. | 0.01% | Reduce -34.2% | 548,521 | $51.6M |
| Franklin Resources Inc. | 0.01% | Reduce -72.7% | 501,615 | $47.2M |
| Verition Fund Management LLC | 0.28% | Add +12444.6% | 498,900 | $47.0M |
| Wellington Management Group LLP | 0.01% | Reduce -87.7% | 459,087 | $43.2M |
| Gilead Sciences, Inc. | 2.38% | No change | 452,527 | $42.6M |
| Qube Research & Technologies Ltd | 0.06% | Add +9777.8% | 422,277 | $39.8M |
| Soros Fund Management | 0.87% | New | 405,000 | $38.1M |
| LMR Partners LLP | 0.71% | New | 390,465 | $36.8M |
| First Turn Management, LLC | 5.26% | Add +27.0% | 372,022 | $35.0M |
| Man Group plc | 0.07% | New | 361,703 | $34.1M |
| FIL Ltd | 0.03% | New | 338,000 | $31.8M |
| Absolute Gestao de Investimentos Ltda. | 4.11% | New | 330,588 | $31.1M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -63.9% | 330,228 | $31.1M |
| Bank of America Corp. | 0.00% | Add +107.8% | 311,566 | $29.3M |
| Twin Securities, Inc. | 14.72% | New | 310,263 | $29.2M |
| Octagon Capital Advisors LP | 4.53% | Reduce -20.8% | 308,000 | $29.0M |
| Artia Global Partners LP | 4.92% | No change | 296,750 | $27.9M |
| Affinity Asset Advisors, LLC | 2.58% | Add +308.2% | 285,769 | $26.9M |
| Vanguard Group Inc. | 0.00% | Add +6.6% | 282,882 | $26.6M |
| Point72 Asset Management | 0.06% | Add +49.2% | 254,751 | $24.0M |
| State Street Corp. | 0.00% | Add +2.6% | 247,302 | $23.3M |
| First Trust Capital Management L.P. | 1.49% | New | 245,354 | $23.1M |
| Sand Grove Capital Management LLP | 11.01% | New | 239,378 | $22.5M |
| Readystate Asset Management LP | 2.19% | Add +204.1% | 238,696 | $22.5M |
| First Light Asset Management, LLC | 1.99% | New | 224,080 | $21.1M |
| DAFNA Capital Management LLC | 5.20% | Reduce -44.7% | 220,451 | $20.8M |
| Caligan Partners LP | 2.83% | Reduce -67.0% | 216,954 | $20.4M |
| Voya Investment Management LLC | 0.02% | Reduce -9.9% | 210,304 | $19.8M |
| AQR Arbitrage LLC | 0.68% | New | 204,994 | $19.3M |
| Versor Investments LP | 3.45% | New | 198,789 | $18.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.03% | New | 192,500 | $18.1M |
| Allianz Asset Management GmbH | 0.02% | Add +638.9% | 192,100 | $18.1M |
| Decheng Capital LLC | 3.06% | Reduce -1.4% | 186,546 | $17.6M |
| Saturn V Capital Management LP | 3.80% | Reduce -17.9% | 184,135 | $17.3M |
| Driehaus Capital Management LLC | 0.12% | Reduce -87.0% | 177,508 | $16.7M |
| Voloridge Investment Management, LLC | 0.06% | New | 176,009 | $16.6M |
| Carmignac Gestion | 0.23% | Reduce -22.0% | 167,532 | $15.8M |
| Holocene Advisors, LP | 0.04% | Reduce -92.5% | 166,741 | $15.7M |
| Sofinnova Investments, Inc. | 0.96% | Reduce -58.8% | 166,729 | $15.7M |
| TimesSquare Capital Management, LLC | 0.22% | Reduce -31.6% | 166,002 | $15.6M |
| Aberdeen Group plc | 0.02% | Add +23.4% | 155,151 | $14.6M |
| Capstone Investment Advisors, LLC | 0.15% | New | 152,000 | $14.3M |
| Nan Fung Trinity (hk) Ltd. | 1.41% | No change | 150,338 | $14.2M |
| Taconic Capital Advisors LP | 4.04% | New | 145,000 | $13.7M |
| Weiss Asset Management LP | 0.24% | New | 144,902 | $13.6M |
| Barclays PLC | 0.01% | Add +328.1% | 144,035 | $13.6M |
| HighVista Strategies LLC | 3.08% | Add +48.5% | 133,321 | $12.6M |
| Royal Bank of Canada | 0.00% | Add +4.7% | 132,212 | $12.4M |
| Victory Capital Management Inc. | 0.01% | Add +17.9% | 131,432 | $12.4M |
| PFM Health Sciences, LP | 1.06% | Reduce -28.9% | 130,742 | $12.3M |
| Harvest Management LLC | 6.01% | New | 130,000 | $12.2M |
| BNP Paribas Financial Markets | 0.01% | Reduce -8.1% | 121,783 | $11.5M |
| Boxer Capital Management, LLC | 3.60% | Reduce -67.1% | 120,000 | $11.3M |
| Westchester Capital Management, LLC | 0.56% | New | 114,159 | $10.7M |
| Gabelli Funds LLC | 0.07% | New | 105,050 | $9.9M |
| Deutsche Bank AG | 0.00% | Reduce -8.3% | 104,110 | $9.8M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 1.57% | New | 103,450 | $9.7M |
| Meteora Capital, LLC | 1.05% | New | 101,162 | $9.5M |
| Swiss National Bank | 0.01% | Add +9.4% | 101,054 | $9.5M |
| Picton Mahoney Asset Management | 0.12% | New | 100,000 | $9.4M |
| State of Wisconsin Investment Board | 0.02% | Reduce -35.6% | 96,224 | $9.1M |
| Water Island Capital LLC | 1.41% | New | 96,000 | $9.0M |
"% of holder's portfolio" is MRUS's weight in each manager's 13F, not the share of Merus NV the manager owns.