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, Q1 2023
Institutional positions in Merus N.V. as of Mar 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
- 104
- +14 vs. Q4 2022
- Shares held
- 36.5M
- +81.4K (+0.2%) vs. Q4 2022
- Total value
- $672.0M
- +$108.2M (+19.2%) vs. Q4 2022
- New holders
- 19
- 36 more added
- Sold out
- 5
- 25 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 3,137,245 | $57.7M | 0.01% | −553,107−15.0% | Reduced |
| BVF Inc | 2,978,420 | $54.8M | 2.00% | 00.0% | Unchanged |
| Commodore Capital LP | 2,950,000 | $54.3M | 8.26% | +217,433+8.0% | Added |
| Federated Hermes, Inc. | 2,638,700 | $48.6M | 0.12% | −1,285,595−32.8% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 2,380,438 | $43.8M | 0.98% | 00.0% | Unchanged |
| Boxer Capital, LLC | 1,900,000 | $35.0M | 1.72% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 1,613,427 | $29.7M | 0.55% | +787,340+95.3% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $29.4M | 12.61% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,591,065 | $29.3M | 0.01% | +5050.0% | Added |
| Braidwell LP | 1,473,084 | $27.1M | 0.89% | −525,000−26.3% | Reduced |
| VR Adviser, LLC | 1,226,214 | $22.6M | 4.41% | 00.0% | Unchanged |
| Aquilo Capital Management, LLC | 1,225,109 | $22.5M | 13.21% | −207,000−14.5% | Reduced |
| Driehaus Capital Management LLC | 1,104,535 | $20.3M | 0.29% | +31,048+2.9% | Added |
| Lynx1 Capital Management LP | 1,067,723 | $19.6M | 16.38% | +213,132+24.9% | Added |
| Polar Capital Holdings Plc | 750,000 | $13.8M | 0.10% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 746,479 | $13.7M | 0.99% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 668,784 | $12.3M | 5.53% | +394,080+143.5% | Added |
| BlackRock Inc. | 601,726 | $11.1M | 0.00% | −31,435−5.0% | Reduced |
| FMR LLC | 572,956 | $10.5M | 0.00% | +98,147+20.7% | Added |
| Carmignac Gestion | 474,652 | $8.72M | 0.15% | +25,000+5.6% | Added |
| Fairmount Funds Management LLC | 374,435 | $6.89M | 1.18% | +374,435 | New |
| Vivo Capital, LLC | 353,600 | $6.51M | 0.49% | −84,990−19.4% | Reduced |
| Sphera Funds Management Ltd. | 336,993 | $6.20M | 1.34% | +20,000+6.3% | Added |
| TCG Crossover Management, LLC | 300,000 | $5.52M | 1.08% | 00.0% | Unchanged |
| State Street Corp | 289,061 | $5.32M | 0.00% | +7,926+2.8% | Added |
| DAFNA Capital Management LLC | 283,998 | $5.23M | 1.57% | +14,105+5.2% | Added |
| Ally Bridge Group (NY) LLC | 275,970 | $5.08M | 6.66% | +275,970 | New |
| Platinum Investment Management Ltd | 239,052 | $4.40M | 0.15% | +47,697+24.9% | Added |
| Alliancebernstein L.P. | 214,948 | $3.96M | 0.00% | +54,662+34.1% | Added |
| Ikarian Capital, LLC | 208,650 | $3.84M | 1.59% | +52,650+33.8% | Added |
| Point72 Asset Management, L.P. | 194,460 | $3.58M | 0.01% | +194,460 | New |
| Two Sigma Advisers, LP | 163,300 | $3.00M | 0.01% | −8,200−4.8% | Reduced |
| Nan Fung Group Holdings Ltd | 151,000 | $2.78M | 1.89% | +57,250+61.1% | Added |
| Citadel Advisors LLC | 145,459 | $2.68M | 0.00% | +87,533+151.1% | Added |
| Artisan Partners Limited Partnership | 139,734 | $2.57M | 0.00% | 00.0% | Unchanged |
| Eversept Partners, LP | 129,056 | $2.37M | 0.21% | −55,500−30.1% | Reduced |
| Morgan Stanley | 121,744 | $2.24M | 0.00% | −97,108−44.4% | Reduced |
| Vanguard Group Inc | 121,726 | $2.24M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 115,197 | $2.12M | 0.00% | +112,317+3,899.9% | Added |
| UBS Oconnor LLC | 115,080 | $2.12M | 0.05% | +115,080 | New |
| Algert Global LLC | 111,858 | $2.06M | 0.10% | +21,261+23.5% | Added |
| Caas Capital Management LP | 100,887 | $1.86M | 0.60% | +100,887 | New |
| Woodline Partners LP | 76,411 | $1.41M | 0.02% | +76,411 | New |
| Schonfeld Strategic Advisors LLC | 69,159 | $1.27M | 0.01% | +23,799+52.5% | Added |
| Tekla Capital Management LLC | 69,025 | $1.27M | 0.05% | −23,300−25.2% | Reduced |
| Polar Asset Management Partners Inc. | 66,400 | $1.22M | 0.02% | +66,400 | New |
| Swiss National Bank | 64,954 | $1.20M | 0.00% | −7,000−9.7% | Reduced |
| Norges Bank | 60,300 | $1.11M | 0.00% | −14,700−19.6% | Reduced |
| Goldman Sachs Group Inc | 55,307 | $1.02M | 0.00% | −8,440−13.2% | Reduced |
| Two Sigma Investments, LP | 53,369 | $982.0K | 0.00% | −6,426−10.7% | Reduced |
| Vident Investment Advisory, LLC | 53,056 | $976.2K | 0.03% | −1,946−3.5% | Reduced |
| Northern Trust Corp | 51,682 | $950.9K | 0.00% | −839−1.6% | Reduced |
| HighVista Strategies LLC | 45,957 | $845.6K | 0.69% | +45,957 | New |
| Bellevue Group AG | 45,700 | $840.9K | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 38,084 | $700.7K | 0.02% | +10,767+39.4% | Added |
| BIT Capital GmbH | 35,889 | $660.4K | 0.10% | +30,979+630.9% | Added |
| Credit Suisse AG | 35,658 | $656.1K | 0.00% | +4,715+15.2% | Added |
| Marshall Wace, LLP | 31,100 | $572.2K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 30,513 | $561.4K | 0.00% | −873−2.8% | Reduced |
| State of Wisconsin Investment Board | 27,810 | $511.7K | 0.00% | +1,090+4.1% | Added |
| California State Teachers Retirement System | 26,440 | $486.5K | 0.00% | +539+2.1% | Added |
| Bank of America Corp | 25,645 | $471.9K | 0.00% | +180+0.7% | Added |
| Geode Capital Management, LLC | 24,770 | $455.8K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 25,000 | $446.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 23,990 | $441.4K | 0.00% | +23,990 | New |
| Trexquant Investment LP | 22,280 | $410.0K | 0.01% | +22,280 | New |
| UBS Asset Management Americas Inc | 21,928 | $403.5K | 0.00% | 00.0% | Unchanged |
| Kynam Capital Management, LP | 21,457 | $394.8K | 0.05% | +21,457 | New |
| Susquehanna Fundamental Investments, LLC | 21,192 | $389.9K | 0.01% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 17,615 | $324.0K | 0.01% | −5,600−24.1% | Reduced |
| Millennium Management LLC | 16,701 | $307.0K | 0.00% | −324,004−95.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 16,514 | $303.9K | 0.00% | +1,142+7.4% | Added |
| Qube Research & Technologies Ltd | 15,997 | $294.3K | 0.00% | +2,873+21.9% | Added |
| Simplex Trading, LLC | 15,777 | $290.0K | 0.01% | +15,777 | New |
| Sio Capital Management, LLC | 15,564 | $286.4K | 0.14% | −72,389−82.3% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 14,742 | $271.0K | 0.01% | +4,335+41.7% | Added |
| Cubist Systematic Strategies, LLC | 13,836 | $254.6K | 0.00% | +13,836 | New |
| Janus Henderson Group PLC | 11,614 | $213.3K | 0.00% | +11,614 | New |
| Susquehanna International Group, LLP | 11,254 | $207.1K | 0.00% | +11,254 | New |
| New York State Common Retirement Fund | 10,786 | $198.5K | 0.00% | +5,461+102.6% | Added |
| Verition Fund Management LLC | 10,400 | $191.4K | 0.00% | +10,400 | New |
| Legal & General Group Plc | 8,516 | $156.7K | 0.00% | +451+5.6% | Added |
| Virtus ETF Advisers LLC | 7,305 | $134.4K | 0.07% | −2,801−27.7% | Reduced |
| Group One Trading, L.P. | 6,527 | $120.1K | 0.01% | +6,527 | New |
| Russell Investments Group, Ltd. | 5,710 | $105.1K | 0.00% | +5,710 | New |
| Citigroup Inc | 3,470 | $63.8K | 0.00% | −60−1.7% | Reduced |
| Tower Research Capital LLC (TRC) | 1,968 | $36.0K | 0.00% | +246+14.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,836 | $33.8K | 0.00% | −752−29.1% | Reduced |
| Signaturefd, LLC | 1,257 | $23.1K | 0.00% | +1,164+1,251.6% | Added |
| Quadrant Capital Group LLC | 910 | $16.7K | 0.00% | +817+878.5% | Added |
| UBS Group AG | 856 | $15.8K | 0.00% | +756+756.0% | Added |
| Northwestern Mutual Wealth Management Co | 800 | $14.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 735 | $13.5K | 0.00% | −290−28.3% | Reduced |
| China Universal Asset Management Co., Ltd. | 628 | $11.6K | 0.00% | +157+33.3% | Added |
| Wells Fargo & Company | 300 | $5.52K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 184 | $3.39K | 0.00% | +119+183.1% | Added |
| Daiwa Securities Group Inc. | 186 | $3.00K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 161 | $3.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 100 | $1.84K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 100 | $1.84K | 0.00% | 00.0% | Unchanged |