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 2025
Institutional positions in Merus N.V. as of Dec 31, 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, and 13F filings after Q3 2025 list far fewer holders. See Q3 2025
- Institutional holders
- 10
- −254 vs. Q3 2025
- Shares held
- 89.4K
- −71.0M (−99.9%) vs. Q3 2025
- Total value
- $5.73M
- −$6.69B (−99.9%) vs. Q3 2025
- New holders
- 3
- 3 more added
- Sold out
- 257
- 0 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DekaBank Deutsche Girozentrale | 56,000 | $2.72M | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 26,768 | $2.41M | 0.06% | +14,920+125.9% | Added |
| Skopos Labs, Inc. | 2,452 | $220.7K | 0.01% | +2,452 | New |
| NTV Asset Management LLC | 2,250 | $202.5K | 0.02% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,010 | $90.9K | 0.00% | +485+92.4% | Added |
| Simplex Trading, LLC | 837 | $75.3K | 0.00% | +837 | New |
| EverSource Wealth Advisors, LLC | 53 | $4.77K | 0.00% | +21+65.6% | Added |
| Parallel Advisors, LLC | 9 | $810 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $270 | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 1 | $0 | 0.00% | +1 | New |
| Paradigm Biocapital Advisors LP | 0 | $0 | 0.00% | −4,373,770−100.0% | Sold out |
| Avoro Capital Advisors LLC | 0 | $0 | 0.00% | −3,542,500−100.0% | Sold out |
| Commodore Capital LP | 0 | $0 | 0.00% | −3,525,000−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −3,046,916−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −2,850,000−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −2,810,935−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −2,172,015−100.0% | Sold out |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −2,132,489−100.0% | Sold out |
| RTW Investments, LP | 0 | $0 | 0.00% | −2,025,277−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −1,674,167−100.0% | Sold out |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −1,619,372−100.0% | Sold out |
| Lynx1 Capital Management LP | 0 | $0 | 0.00% | −1,534,141−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −1,353,093−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,249,162−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −1,233,909−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −1,196,325−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −1,195,408−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −1,087,143−100.0% | Sold out |
| Omni Event Management Ltd | 0 | $0 | 0.00% | −1,053,500−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,045,209−100.0% | Sold out |
| Pentwater Capital Management LP | 0 | $0 | 0.00% | −970,000−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −898,822−100.0% | Sold out |
| TIG Advisors, LLC | 0 | $0 | 0.00% | −868,145−100.0% | Sold out |
| Alpine Associates Management Inc. | 0 | $0 | 0.00% | −835,600−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −756,013−100.0% | Sold out |
| Novo Holdings A/S | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −740,394−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −731,150−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −699,029−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −662,140−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −654,126−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −644,283−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −614,538−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −597,051−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −581,071−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −574,377−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −548,521−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −501,615−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −498,900−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −459,087−100.0% | Sold out |
| Gilead Sciences, Inc. | 0 | $0 | 0.00% | −452,527−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −422,277−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −405,000−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −390,465−100.0% | Sold out |
| First Turn Management, LLC | 0 | $0 | 0.00% | −372,022−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −361,703−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −338,000−100.0% | Sold out |
| Absolute Gestao de Investimentos Ltda. | 0 | $0 | 0.00% | −330,588−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −330,228−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −311,566−100.0% | Sold out |
| Twin Securities, Inc. | 0 | $0 | 0.00% | −310,263−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −308,000−100.0% | Sold out |
| Artia Global Partners LP | 0 | $0 | 0.00% | −296,750−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −285,769−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −282,882−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −254,751−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −247,302−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −245,354−100.0% | Sold out |
| Sand Grove Capital Management LLP | 0 | $0 | 0.00% | −239,378−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −238,696−100.0% | Sold out |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −224,080−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −220,451−100.0% | Sold out |
| Caligan Partners LP | 0 | $0 | 0.00% | −216,954−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −210,304−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −204,994−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −198,789−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −192,500−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −192,100−100.0% | Sold out |
| Decheng Capital LLC | 0 | $0 | 0.00% | −186,546−100.0% | Sold out |
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −184,135−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −177,508−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −176,009−100.0% | Sold out |
| Carmignac Gestion | 0 | $0 | 0.00% | −167,532−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −166,741−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −166,729−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −166,002−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −155,151−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −152,000−100.0% | Sold out |
| Nan Fung Trinity (HK) Ltd | 0 | $0 | 0.00% | −150,338−100.0% | Sold out |
| Taconic Capital Advisors LP | 0 | $0 | 0.00% | −145,000−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −144,902−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −144,035−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −133,321−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −132,212−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −131,432−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −130,742−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −121,783−100.0% | Sold out |