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 2023
Institutional positions in Merus N.V. as of Jun 30, 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
- 114
- +10 vs. Q1 2023
- Shares held
- 41.3M
- +4.78M (+13.1%) vs. Q1 2023
- Total value
- $1.09B
- +$414.7M (+61.7%) vs. Q1 2023
- New holders
- 25
- 35 more added
- Sold out
- 15
- 32 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Merus N.V.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP | 1,152,525 | $30.3M | 19.88% | +84,802+7.9% | Added |
| BlackRock Inc. | 1,185,820 | $31.2M | 0.00% | +584,094+97.1% | Added |
| Fairmount Funds Management LLC | 1,482,405 | $39.0M | 5.50% | +1,107,970+295.9% | Added |
| Braidwell LP | 1,543,162 | $40.6M | 1.33% | +70,078+4.8% | Added |
| Franklin Resources Inc | 1,592,258 | $41.9M | 0.02% | +1,193+0.1% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 1,600,000 | $42.1M | 11.80% | 00.0% | Unchanged |
| BVF Inc | 1,602,420 | $42.2M | 1.18% | −1,376,000−46.2% | Reduced |
| VR Adviser, LLC | 1,726,214 | $45.5M | 7.27% | +500,000+40.8% | Added |
| Boxer Capital, LLC | 1,900,000 | $50.0M | 2.32% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,638,700 | $69.5M | 0.17% | 00.0% | Unchanged |
| Wellington Management Group LLP | 2,675,112 | $70.4M | 0.01% | −462,133−14.7% | Reduced |
| Samlyn Capital, LLC | 2,837,449 | $74.7M | 1.30% | +1,224,022+75.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,031,938 | $79.8M | 1.70% | +651,500+27.4% | Added |
| Commodore Capital LP | 4,000,000 | $105.3M | 11.84% | +1,050,000+35.6% | Added |
| Vivo Capital, LLC | 0 | $0 | 0.00% | −353,600−100.0% | Sold out |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −139,734−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −100,887−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −76,411−100.0% | Sold out |
| Tekla Capital Management LLC | 0 | $0 | 0.00% | −69,025−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −66,400−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −53,056−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −30,513−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −22,280−100.0% | Sold out |
| Kynam Capital Management, LP | 0 | $0 | 0.00% | −21,457−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −21,192−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −15,997−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −15,777−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −15,564−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6,527−100.0% | Sold out |