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, Q3 2025
Institutional positions in Merus N.V. as of Sep 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
MRUS is no longer listed, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 268
- +67 vs. Q2 2025
- Shares held
- 71.1M
- −3.66M (−4.9%) vs. Q2 2025
- Total value
- $6.70B
- +$2.76B (+70.2%) vs. Q2 2025
- New holders
- 106
- 67 more added
- Sold out
- 39
- 73 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Knights of Columbus Asset Advisors LLC | 13,614 | $1.28M | 0.07% | +442+3.4% | Added |
| Harbour Capital Advisors, LLC | 13,810 | $1.30M | 0.27% | −320−2.3% | Reduced |
| Envestnet Asset Management Inc | 14,306 | $1.35M | 0.00% | +786+5.8% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 15,000 | $1.41M | 0.01% | +15,000 | New |
| Maven Securities LTD | 15,000 | $1.41M | 0.27% | +15,000 | New |
| Cantor Fitzgerald, L. P. | 15,115 | $1.42M | 0.03% | +15,115 | New |
| Arizona State Retirement System | 15,427 | $1.45M | 0.01% | +1,339+9.5% | Added |
| Schroder Investment Management Group | 15,721 | $1.47M | 0.00% | +534+3.5% | Added |
| Carlson Capital L P | 16,000 | $1.51M | 0.85% | +16,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,150 | $1.71M | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 18,399 | $1.73M | 0.10% | +13,972+315.6% | Added |
| Harbor Capital Advisors, Inc. | 18,984 | $1.79M | 0.14% | −37,437−66.4% | Reduced |
| Squarepoint Ops LLC | 19,608 | $1.85M | 0.00% | +19,608 | New |
| Mint Tower Capital Management B.V. | 20,000 | $1.88M | 0.24% | +20,000 | New |
| Sanders Morris Harris LLC | 24,870 | $2.34M | 0.31% | +24,870 | New |
| Alpine Global Management, LLC | 25,000 | $2.35M | 0.48% | +25,000 | New |
| DLD Asset Management, LP | 25,200 | $2.37M | 0.31% | +25,200 | New |
| Winton Group Ltd | 27,900 | $2.63M | 0.10% | +1,177+4.4% | Added |
| Platinum Investment Management Ltd | 29,018 | $2.73M | 0.18% | −15,922−35.4% | Reduced |
| Whitebox Advisors LLC | 30,001 | $2.82M | 0.05% | +30,001 | New |
| Moore Capital Management, LP | 30,200 | $2.84M | 0.06% | +30,200 | New |
| Governors Lane LP | 30,500 | $2.87M | 0.40% | +30,500 | New |
| State of New Jersey Common Pension Fund D | 31,914 | $3.00M | 0.01% | −13,361−29.5% | Reduced |
| Raymond James Financial Inc | 32,142 | $3.03M | 0.00% | +1,364+4.4% | Added |
| NEOS Investment Management LLC | 33,134 | $3.12M | 0.02% | −18,081−35.3% | Reduced |
| Tema ETFs LLC | 33,134 | $3.12M | 0.26% | −18,081−35.3% | Reduced |
| ADAR1 Capital Management, LLC | 33,313 | $3.14M | 0.31% | +15,000+81.9% | Added |
| Simplify Asset Management Inc. | 33,314 | $3.14M | 0.06% | +33,314 | New |
| Connecticut Wealth Management, LLC | 33,343 | $3.14M | 0.14% | 00.0% | Unchanged |
| Voleon Capital Management LP | 34,493 | $3.25M | 0.08% | +34,493 | New |
| D. E. Shaw & Co., Inc. | 39,177 | $3.69M | 0.00% | −108,725−73.5% | Reduced |
| Centiva Capital, LP | 39,900 | $3.76M | 0.35% | +39,900 | New |
| Burkehill Global Management, LP | 40,000 | $3.77M | 0.21% | 00.0% | Unchanged |
| Northern Trust Corp | 42,429 | $3.99M | 0.00% | +4,141+10.8% | Added |
| Samlyn Capital, LLC | 43,244 | $4.07M | 0.06% | −721,941−94.3% | Reduced |
| Marshall Wace, LLP | 44,313 | $4.17M | 0.00% | +31,946+258.3% | Added |
| Prelude Capital Management, LLC | 44,471 | $4.19M | 0.33% | +44,471 | New |
| California State Teachers Retirement System | 45,985 | $4.33M | 0.00% | +4,836+11.8% | Added |
| Eversept Partners, LP | 48,054 | $4.52M | 0.35% | −82,870−63.3% | Reduced |
| Manufacturers Life Insurance Company, The | 48,399 | $4.56M | 0.00% | −11,494−19.2% | Reduced |
| Polar Asset Management Partners Inc. | 50,000 | $4.71M | 0.10% | +44,846+870.1% | Added |
| Legal & General Group Plc | 50,445 | $4.75M | 0.00% | +3,357+7.1% | Added |
| Boothbay Fund Management, LLC | 50,581 | $4.76M | 0.12% | −222,274−81.5% | Reduced |
| ExodusPoint Capital Management, LP | 50,877 | $4.79M | 0.07% | −47,652−48.4% | Reduced |
| HealthInvest Partners AB | 47,999 | $4.80M | 1.78% | −11,890−19.9% | Reduced |
| AXA Investment Managers S.A. | 52,606 | $4.95M | 0.01% | +52,606 | New |
| Rhenman & Partners Asset Management AB | 53,500 | $5.04M | 0.56% | −62,500−53.9% | Reduced |
| DekaBank Deutsche Girozentrale | 56,000 | $5.13M | 0.01% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 58,085 | $5.47M | 0.27% | +14,704+33.9% | Added |
| Highbridge Capital Management LLC | 58,605 | $5.52M | 0.28% | +58,605 | New |
| Groupe la Francaise | 60,000 | $5.65M | 0.08% | +60,000 | New |
| Bank of Montreal | 60,208 | $5.67M | 0.00% | +38,069+172.0% | Added |
| Nicholas Investment Partners, LP | 61,558 | $5.80M | 0.44% | +61,558 | New |
| TD Asset Management Inc | 62,584 | $5.89M | 0.00% | −26,526−29.8% | Reduced |
| Granahan Investment Management Inc | 66,208 | $6.23M | 0.26% | −14,411−17.9% | Reduced |
| Geode Capital Management, LLC | 67,999 | $6.39M | 0.00% | +7,047+11.6% | Added |
| Vestcor Inc | 70,000 | $6.59M | 0.20% | +70,000 | New |
| First Trust Advisors LP | 72,987 | $6.87M | 0.01% | +72,987 | New |
| Russell Investments Group, Ltd. | 76,363 | $7.19M | 0.01% | +44,094+136.6% | Added |
| Moody Aldrich Partners LLC | 76,444 | $7.20M | 1.37% | −15,565−16.9% | Reduced |
| Athos Capital Ltd | 80,000 | $7.53M | 4.90% | +80,000 | New |
| Decagon Asset Management LLP | 83,728 | $7.88M | 4.16% | +83,728 | New |
| Morgan Stanley | 88,195 | $8.30M | 0.00% | −371,021−80.8% | Reduced |
| Jane Street Group, LLC | 89,457 | $8.42M | 0.01% | +54,531+156.1% | Added |
| Credit Industriel Et Commercial | 90,000 | $8.47M | 1.35% | +90,000 | New |
| Slotnik Capital, LLC | 90,000 | $8.47M | 3.05% | +90,000 | New |
| Oddo BHF Asset Management SAS | 92,038 | $8.67M | 0.33% | +92,038 | New |
| Citigroup Inc | 95,222 | $8.97M | 0.01% | +60,716+176.0% | Added |
| Water Island Capital LLC | 96,000 | $9.04M | 1.29% | +96,000 | New |
| State of Wisconsin Investment Board | 96,224 | $9.06M | 0.02% | −53,319−35.7% | Reduced |
| Picton Mahoney Asset Management | 100,000 | $9.41M | 0.12% | +100,000 | New |
| Swiss National Bank | 101,054 | $9.51M | 0.01% | +8,700+9.4% | Added |
| Meteora Capital, LLC | 101,162 | $9.52M | 1.01% | +101,162 | New |
| Gabelli & Co Investment Advisers, Inc. | 103,450 | $9.74M | 1.56% | +103,450 | New |
| Deutsche Bank AG | 104,110 | $9.80M | 0.00% | −9,398−8.3% | Reduced |
| Gabelli Funds LLC | 105,050 | $9.89M | 0.07% | +105,050 | New |
| Westchester Capital Management, LLC | 114,159 | $10.7M | 0.56% | +114,159 | New |
| Boxer Capital Management, LLC | 120,000 | $11.3M | 3.60% | −245,000−67.1% | Reduced |
| BNP Paribas Arbitrage, SA | 121,783 | $11.5M | 0.01% | −10,793−8.1% | Reduced |
| Harvest Management LLC | 130,000 | $12.2M | 6.01% | +130,000 | New |
| PFM Health Sciences, LP | 130,742 | $12.3M | 1.05% | −53,140−28.9% | Reduced |
| Victory Capital Management Inc | 131,432 | $12.4M | 0.01% | +19,992+17.9% | Added |
| Royal Bank of Canada | 132,212 | $12.4M | 0.00% | +5,960+4.7% | Added |
| HighVista Strategies LLC | 133,321 | $12.6M | 3.08% | +43,559+48.5% | Added |
| Barclays PLC | 144,035 | $13.6M | 0.00% | +110,393+328.1% | Added |
| Weiss Asset Management LP | 144,902 | $13.6M | 0.19% | +144,902 | New |
| Taconic Capital Advisors LP | 145,000 | $13.7M | 4.04% | +145,000 | New |
| Nan Fung Trinity (HK) Ltd | 150,338 | $14.2M | 1.41% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 152,000 | $14.3M | 0.13% | +152,000 | New |
| Standard Life Aberdeen plc | 155,151 | $14.6M | 0.02% | +29,383+23.4% | Added |
| TimesSquare Capital Management, LLC | 166,002 | $15.6M | 0.22% | −76,696−31.6% | Reduced |
| Sofinnova Investments, Inc. | 166,729 | $15.7M | 0.96% | −237,833−58.8% | Reduced |
| Holocene Advisors, LP | 166,741 | $15.7M | 0.04% | −2,058,500−92.5% | Reduced |
| Carmignac Gestion | 167,532 | $15.8M | 0.23% | −47,190−22.0% | Reduced |
| Voloridge Investment Management, LLC | 176,009 | $16.6M | 0.06% | +176,009 | New |
| Driehaus Capital Management LLC | 177,508 | $16.7M | 0.12% | −1,188,736−87.0% | Reduced |
| Saturn V Capital Management LLC | 184,135 | $17.3M | 3.80% | −40,125−17.9% | Reduced |
| Decheng Capital LLC | 186,546 | $17.6M | 3.06% | −2,552−1.3% | Reduced |
| Allianz Asset Management GmbH | 192,100 | $18.1M | 0.02% | +166,100+638.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 192,500 | $18.1M | 0.03% | +192,500 | New |