Merus Ownership | Who Owns Merus?
Merus Ownership Summary
Merus is owned by 105.20% institutional investors, 2.29% insiders. Fmr is the largest institutional shareholder, holding 10.11% of MRUS shares. Vanguard Health Care Inv is the top mutual fund, with 2.27% of its assets in Merus shares.
MRUS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Merus | 105.20% | 2.29% | -7.49% |
| Sector | Healthcare Stocks | 488.17% | 11.08% | -399.26% |
| Industry | Biotech Stocks | 306.59% | 11.10% | -217.69% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 6.90M | 10.11% | $290.12M |
| Commodore capital lp | 3.87M | 5.68% | $162.91M |
| Rtw investments, lp | 4.00M | 5.63% | $210.43M |
| Wellington management group llp | 3.50M | 5.12% | $147.08M |
| Deerfield management company, l.p. (series c) | 3.38M | 4.76% | $178.03M |
| Avoro capital advisors | 3.16M | 4.44% | $165.98M |
| Boxer capital | 1.90M | 3.27% | $112.42M |
| Holocene advisors, lp | 2.23M | 3.13% | $117.05M |
| Franklin resources | 1.98M | 2.91% | $83.45M |
| Westfield capital management co lp | 2.04M | 2.87% | $107.43M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Lynx1 capital management lp | 1.58M | 24.92% | $66.47M |
| Commodore capital lp | 3.87M | 11.94% | $162.91M |
| Silverarc capital management | 741.97K | 7.20% | $39.03M |
| Artia global partners lp | 463.84K | 6.97% | $19.50M |
| Ally bridge group (ny) | 140.21K | 6.14% | $7.37M |
| Allostery investments lp | 9.00K | 6.03% | $473.40K |
| Boxer capital | 1.90M | 5.92% | $112.42M |
| Dafna capital management | 398.80K | 5.79% | $20.98M |
| Saturn v capital management | 224.26K | 4.78% | $11.80M |
| Stempoint capital lp | 266.09K | 4.49% | $14.00M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ubs group | 1.11M | 0.01% | 1.10M |
| Adage capital partners gp | 833.40K | 0.07% | 833.40K |
| Wellington management group llp | 3.50M | 0.03% | 610.14K |
| Westfield capital management co lp | 2.04M | 0.45% | 541.17K |
| Commodore capital lp | 3.87M | 11.94% | 524.18K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Samlyn capital | 765.18K | 0.55% | -1.61M |
| Bvf inc/il | - | - | -1.28M |
| Medicxi ventures management (jersey) | - | - | -1.17M |
| Paradigm biocapital advisors lp | 1.69M | 2.47% | -765.00K |
| Logos global management lp | - | - | -750.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Capital investors | 491.24K | 0.00% | 491.24K | $25.84M |
| Gilead sciences | 452.53K | 1.23% | 452.53K | $19.03M |
| Sofinnova investments | 404.56K | 1.30% | 404.56K | $21.28M |
| Octagon capital advisors lp | 308.00K | 2.13% | 308.00K | $12.95M |
| Deep track capital, lp | 275.00K | 0.46% | 275.00K | $14.46M |
Sold Out
| Holder | Change |
|---|---|
| Ifp advisors | -2.00 |
| Capital performance advisors llp | -4.00 |
| Allworth financial lp | -5.00 |
| Hexagon capital partners | -6.00 |
| Twin tree management, lp | -6.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 213 | 11.52% | 74,790,427 | 8.39% | 105 | 1.05% | 121 | 26.04% | 65 | 6.56% |
| Mar 31, 2025 | 194 | -3.00% | 70,836,485 | 0.66% | 102 | 0.97% | 97 | -11.01% | 63 | 18.87% |
| Dec 31, 2024 | 197 | 0.51% | 69,971,572 | 1.37% | 102 | 1.00% | 107 | 2.88% | 54 | 5.88% |
| Sep 30, 2024 | 195 | 4.84% | 69,020,442 | 3.79% | 101 | 0.77% | 104 | -15.45% | 51 | 21.43% |
| Jun 30, 2024 | 185 | 12.80% | 66,502,612 | 29.82% | 114 | 1.16% | 123 | 43.02% | 42 | -19.23% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Health Care Inv | 1.69M | 2.27% | -687.83K |
| Fidelity Select Health Care | 1.20M | 1.61% | - |
| HBM Healthcare Investments AG Ord | 1.00M | 1.34% | 82.59K |
| Polar Capital Healthcare Opports Inc | 948.58K | 1.25% | - |
| Federated Hermes Kaufmann Small Cap A | 825.00K | 1.11% | 117.71K |
| Federated Hermes Kaufmann Small Cap Grow | 825.00K | 1.09% | 117.71K |
| Strategic Advisers Fidelity US TtlStk | 798.29K | 1.07% | 74.90K |
| Franklin Biotechnology Discv A(acc)USD | 783.58K | 1.04% | - |
| Fidelity Select Biotechnology | 708.85K | 0.95% | - |
| Fidelity Advisor Health Care I | 690.00K | 0.93% | -10.00K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 17, 2025 | Silverman Peter B. | COO & GC | Sell | $1.50M |
| Jul 10, 2025 | Silverman Peter B. | COO & GC | Sell | $924.27K |
| Jun 20, 2025 | Silverman Peter B. | COO & GC | Sell | $1.79M |
| Mar 21, 2025 | Shuman Harry | VP Controller, PAO | Sell | $145.44K |
| Mar 21, 2025 | Shuman Harry | VP Controller, PAO | Sell | $48.55K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 2 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | 2 |
| 2024 Q3 | - | 1 |
| 2024 Q2 | - | 6 |
MRUS Ownership FAQ
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