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, Q2 2025
Institutional positions in Merus N.V. as of Jun 30, 2025. 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
- 201
- +18 vs. Q1 2025
- Shares held
- 74.8M
- +3.98M (+5.6%) vs. Q1 2025
- Total value
- $3.93B
- +$952.5M (+31.9%) vs. Q1 2025
- New holders
- 47
- 76 more added
- Sold out
- 29
- 65 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NEOS Investment Management LLC | 51,215 | $2.69M | 0.03% | +5,657+12.4% | Added |
| Tema ETFs LLC | 51,215 | $2.69M | 0.72% | +51,215 | New |
| Nuveen, LLC | 52,034 | $2.74M | 0.00% | +52,034 | New |
| DekaBank Deutsche Girozentrale | 56,000 | $2.89M | 0.01% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 56,421 | $2.97M | 0.12% | −7,953−12.4% | Reduced |
| HealthInvest Partners AB | 59,889 | $3.15M | 1.35% | +24,597+69.7% | Added |
| Manufacturers Life Insurance Company, The | 59,893 | $3.15M | 0.00% | +9,987+20.0% | Added |
| Geode Capital Management, LLC | 60,952 | $3.20M | 0.00% | +8,266+15.7% | Added |
| Sio Capital Management, LLC | 62,719 | $3.30M | 1.32% | +62,719 | New |
| Aquatic Capital Management LLC | 63,260 | $3.33M | 0.07% | +47,228+294.6% | Added |
| Affinity Asset Advisors, LLC | 70,000 | $3.68M | 0.54% | −251,962−78.3% | Reduced |
| Troluce Capital Advisors LLC | 70,000 | $3.68M | 1.87% | +70,000 | New |
| Atom Investors LP | 73,789 | $3.88M | 0.34% | −40,369−35.4% | Reduced |
| AXA S.A. | 75,024 | $3.95M | 0.01% | +10,080+15.5% | Added |
| Readystate Asset Management LP | 78,500 | $4.13M | 0.17% | +78,500 | New |
| Granahan Investment Management Inc | 80,619 | $4.24M | 0.17% | −15,101−15.8% | Reduced |
| TD Asset Management Inc | 89,110 | $4.69M | 0.00% | +17,852+25.1% | Added |
| HighVista Strategies LLC | 89,762 | $4.72M | 1.73% | +34,723+63.1% | Added |
| Moody Aldrich Partners LLC | 92,009 | $4.84M | 0.94% | −16,272−15.0% | Reduced |
| Swiss National Bank | 92,354 | $4.86M | 0.00% | −500−0.5% | Reduced |
| ExodusPoint Capital Management, LP | 98,529 | $5.18M | 0.06% | +52,905+116.0% | Added |
| Goldman Sachs Group Inc | 106,618 | $5.61M | 0.00% | −18,177−14.6% | Reduced |
| Victory Capital Management Inc | 111,440 | $5.86M | 0.00% | +102,160+1,100.9% | Added |
| Deutsche Bank AG | 113,508 | $5.97M | 0.00% | +359+0.3% | Added |
| Rhenman & Partners Asset Management AB | 116,000 | $6.10M | 0.77% | +41,500+55.7% | Added |
| CenterBook Partners LP | 117,056 | $6.16M | 0.34% | +25,968+28.5% | Added |
| Two Sigma Investments, LP | 119,094 | $6.26M | 0.01% | −206,767−63.5% | Reduced |
| Alyeska Investment Group, L.P. | 125,000 | $6.58M | 0.02% | +56,818+83.3% | Added |
| Standard Life Aberdeen plc | 125,768 | $6.62M | 0.01% | −46,295−26.9% | Reduced |
| Royal Bank of Canada | 126,252 | $6.64M | 0.00% | +126,252 | New |
| Eversept Partners, LP | 130,924 | $6.89M | 0.69% | +60,595+86.2% | Added |
| BNP Paribas Arbitrage, SA | 132,576 | $6.97M | 0.01% | +130,987+8,243.4% | Added |
| Ally Bridge Group (NY) LLC | 140,208 | $7.37M | 6.14% | +62,312+80.0% | Added |
| D. E. Shaw & Co., Inc. | 147,902 | $7.78M | 0.01% | +96,885+189.9% | Added |
| State of Wisconsin Investment Board | 149,543 | $7.87M | 0.02% | −8,765−5.5% | Reduced |
| Bank of America Corp | 149,962 | $7.89M | 0.00% | +105,877+240.2% | Added |
| Nan Fung Trinity (HK) Ltd | 150,338 | $7.91M | 0.95% | +150,338 | New |
| Parkman Healthcare Partners LLC | 162,980 | $8.57M | 0.99% | +134,750+477.3% | Added |
| Point72 Asset Management, L.P. | 170,777 | $8.98M | 0.02% | +170,777 | New |
| Impax Asset Management Group plc | 180,000 | $9.47M | 0.05% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 183,882 | $9.67M | 0.84% | +183,882 | New |
| Decheng Capital LLC | 189,098 | $9.95M | 2.51% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 194,800 | $10.2M | 0.02% | −359,600−64.9% | Reduced |
| Carmignac Gestion | 214,722 | $11.3M | 0.17% | +93,561+77.2% | Added |
| Saturn V Capital Management LLC | 224,260 | $11.8M | 4.78% | −98,951−30.6% | Reduced |
| UBS Asset Management Americas Inc | 224,475 | $11.8M | 0.00% | +111,953+99.5% | Added |
| Lord, Abbett & Co. LLC | 226,001 | $11.9M | 0.04% | +226,001 | New |
| Voya Investment Management LLC | 233,471 | $12.3M | 0.01% | +155,191+198.3% | Added |
| State Street Corp | 241,116 | $12.7M | 0.00% | +8,366+3.6% | Added |
| TimesSquare Capital Management, LLC | 242,698 | $12.8M | 0.18% | −101,007−29.4% | Reduced |
| Vanguard Group Inc | 265,361 | $14.0M | 0.00% | +5,571+2.1% | Added |
| StemPoint Capital LP | 266,094 | $14.0M | 4.51% | −80,662−23.3% | Reduced |
| Boothbay Fund Management, LLC | 272,855 | $14.4M | 0.45% | +112,855+70.5% | Added |
| Deep Track Capital, LP | 275,000 | $14.5M | 0.47% | +275,000 | New |
| First Turn Management, LLC | 292,964 | $15.4M | 2.87% | −170,996−36.9% | Reduced |
| Artia Global Partners LP | 296,750 | $15.6M | 4.01% | −127,890−30.1% | Reduced |
| Citadel Advisors LLC | 335,594 | $17.7M | 0.02% | +308,605+1,143.4% | Added |
| Boxer Capital Management, LLC | 365,000 | $19.2M | 9.66% | −335,000−47.9% | Reduced |
| Octagon Capital Advisors LP | 389,000 | $20.5M | 4.49% | +81,000+26.3% | Added |
| Darwin Global Management, Ltd. | 395,738 | $21.0M | 0.88% | +395,738 | New |
| DAFNA Capital Management LLC | 398,804 | $21.0M | 5.79% | −63,000−13.6% | Reduced |
| Sofinnova Investments, Inc. | 404,562 | $21.3M | 1.45% | +404,562 | New |
| Gilead Sciences, Inc. | 452,527 | $23.8M | 1.86% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 456,265 | $24.0M | 0.02% | −53,496−10.5% | Reduced |
| Morgan Stanley | 459,216 | $24.2M | 0.00% | −344,372−42.9% | Reduced |
| Capital International Investors | 491,244 | $25.8M | 0.00% | +491,244 | New |
| Baker Bros. Advisors LP | 574,377 | $30.2M | 0.29% | +350,877+157.0% | Added |
| UBS Group AG | 577,694 | $30.4M | 0.01% | −285,054−33.0% | Reduced |
| Tang Capital Management LLC | 600,000 | $31.6M | 1.60% | +500,000+500.0% | Added |
| Caligan Partners LP | 656,999 | $34.6M | 6.71% | +280,045+74.3% | Added |
| JPMorgan Chase & Co | 690,945 | $36.3M | 0.00% | +395,822+134.1% | Added |
| Perceptive Advisors LLC | 708,176 | $37.3M | 1.40% | +17,691+2.6% | Added |
| Silverarc Capital Management, LLC | 741,972 | $39.0M | 7.99% | −69,049−8.5% | Reduced |
| Novo Holdings A/S | 750,000 | $39.5M | 2.78% | −39,129−5.0% | Reduced |
| Samlyn Capital, LLC | 765,185 | $40.2M | 0.58% | −1,614,243−67.8% | Reduced |
| Janus Henderson Group PLC | 829,558 | $43.6M | 0.02% | +447,747+117.3% | Added |
| Invesco Ltd. | 833,361 | $43.8M | 0.01% | +5,144+0.6% | Added |
| Adage Capital Partners GP, L.L.C. | 833,397 | $43.8M | 0.07% | +833,397 | New |
| Siren, L.L.C. | 853,467 | $44.9M | 2.32% | −190,000−18.2% | Reduced |
| Pictet Asset Management Holding SA | 915,252 | $48.1M | 0.05% | −116,849−11.3% | Reduced |
| BlackRock, Inc. | 1,050,942 | $55.3M | 0.00% | −640,927−37.9% | Reduced |
| Rock Springs Capital Management LP | 1,063,608 | $55.9M | 3.49% | +82,857+8.4% | Added |
| Alliancebernstein L.P. | 1,102,356 | $58.0M | 0.02% | +363,068+49.1% | Added |
| Cormorant Asset Management, LP | 1,120,000 | $58.9M | 4.39% | +380,000+51.4% | Added |
| Ameriprise Financial Inc | 1,133,857 | $59.6M | 0.01% | +1,031,457+1,007.3% | Added |
| Driehaus Capital Management LLC | 1,366,244 | $71.9M | 0.57% | +112,095+8.9% | Added |
| Federated Hermes, Inc. | 1,528,587 | $80.4M | 0.15% | +483,962+46.3% | Added |
| Woodline Partners LP | 1,542,900 | $81.2M | 0.43% | +142,729+10.2% | Added |
| Lynx1 Capital Management LP | 1,568,841 | $82.5M | 23.84% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 1,611,049 | $84.7M | 0.44% | −95,813−5.6% | Reduced |
| Franklin Resources Inc | 1,837,575 | $96.7M | 0.03% | −153,618−7.7% | Reduced |
| Westfield Capital Management Co LP | 2,042,388 | $107.4M | 0.45% | +541,168+36.0% | Added |
| Holocene Advisors, LP | 2,225,241 | $117.0M | 0.29% | +351,616+18.8% | Added |
| Price T Rowe Associates Inc | 2,262,011 | $119.0M | 0.01% | +1,166,269+106.4% | Added |
| Avoro Capital Advisors LLC | 3,155,555 | $166.0M | 2.91% | +155,555+5.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,384,628 | $178.0M | 3.23% | +210,700+6.6% | Added |
| Commodore Capital LP | 3,525,000 | $185.4M | 13.09% | −947,840−21.2% | Reduced |
| Wellington Management Group LLP | 3,726,723 | $196.0M | 0.04% | −991,449−21.0% | Reduced |
| RTW Investments, LP | 4,000,553 | $210.4M | 3.00% | −168,840−4.0% | Reduced |
| Paradigm Biocapital Advisors LP | 4,281,954 | $225.2M | 9.62% | +912,255+27.1% | Added |