Mersana Therapeutics Ownership | Who Owns Mersana Therapeutics?
Mersana Therapeutics Ownership Summary
Mersana Therapeutics is owned by 94.80% institutional investors, 1.26% insiders, and 3.94% retail investors. Ecor1 capital is the largest institutional shareholder, holding 15.95% of MRSN shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.82% of its assets in Mersana Therapeutics shares.
MRSN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Mersana Therapeutics | 94.80% | 1.26% | 3.94% |
| Sector | Healthcare Stocks | 49.73% | 8.84% | 41.43% |
| Industry | Biotech Stocks | 47.04% | 8.74% | 44.21% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ecor1 capital | 19.36M | 15.95% | $38.92M |
| Vr adviser | 11.33M | 9.33% | $22.77M |
| Nextech invest | 9.53M | 7.85% | $19.15M |
| Bain capital life sciences investors | 8.66M | 7.13% | $17.41M |
| Blackrock | 8.38M | 6.90% | $16.85M |
| Vanguard group | 6.70M | 5.52% | $13.47M |
| Rock springs capital management lp | 3.05M | 2.51% | $6.12M |
| Schonfeld strategic advisors | 2.98M | 2.45% | $5.98M |
| State street | 2.68M | 2.21% | $5.39M |
| Silverarc capital management | 2.50M | 2.06% | $5.03M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Nextech invest | 9.53M | 3.22% | $19.15M |
| Acuta capital partners | 1.66M | 2.82% | $3.34M |
| Bain capital life sciences investors | 8.66M | 1.91% | $17.41M |
| Vr adviser | 11.33M | 1.45% | $22.77M |
| Ecor1 capital | 19.36M | 1.19% | $38.92M |
| Silverarc capital management | 2.50M | 1.19% | $5.03M |
| 5am venture management | 1.30M | 0.59% | $2.62M |
| Octagon capital advisors lp | 992.00K | 0.31% | $1.99M |
| Healthinvest partners ab | 184.90K | 0.23% | $371.65K |
| Rock springs capital management lp | 3.05M | 0.18% | $6.12M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Nextech invest | 9.53M | 3.22% | 5.67M |
| Schonfeld strategic advisors | 2.98M | 0.04% | 1.97M |
| Goldman sachs group | 1.24M | 0.00% | 572.33K |
| Two sigma advisers, lp | 719.30K | 0.00% | 563.50K |
| Jpmorgan chase | 1.98M | 0.00% | 549.56K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Balyasny asset management | - | - | -3.66M |
| State street | 2.68M | 0.00% | -2.82M |
| Cormorant asset management, lp | - | - | -2.60M |
| Woodline partners lp | 1.47M | 0.03% | -1.47M |
| Millennium management | 691.78K | 0.00% | -815.79K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Corebridge financial | 61.03K | 0.00% | 61.03K | $122.67K |
| Mirae asset global etfs | 56.95K | 0.00% | 56.95K | $114.46K |
| Algert global | 44.66K | 0.00% | 44.66K | $90.00K |
| Wolverine trading | 11.30K | - | 11.30K | $22.71K |
| Caption management | 10.20K | 0.00% | 10.20K | $20.50K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -22.00 |
| Optiver b.v. | -1.59K |
| Pacer advisors | -1.72K |
| Metropolitan life insurance co/ny | -4.68K |
| State of wyoming | -9.16K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2024 | 121 | -3.20% | 116,077,343 | 1.64% | 94 | 1.07% | 52 | -17.46% | 32 | -11.11% |
| Jun 30, 2024 | 125 | -2.34% | 114,205,327 | -2.80% | 94 | 0.99% | 63 | -12.50% | 36 | - |
| Mar 31, 2024 | 128 | 17.43% | 117,492,765 | 3.79% | 97 | 1.10% | 72 | 41.18% | 36 | 2.86% |
| Dec 31, 2023 | 109 | -18.05% | 113,199,475 | -0.47% | 93 | 0.97% | 51 | -16.39% | 35 | -20.45% |
| Sep 30, 2023 | 133 | -24.00% | 113,738,584 | 1.10% | 98 | 0.90% | 61 | -37.11% | 44 | 4.76% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.47M | 2.82% | - |
| iShares Russell 2000 ETF | 2.97M | 2.42% | -6.66K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.52M | 1.24% | - |
| Fidelity Small Cap Index | 1.18M | 0.96% | -18.61K |
| State St Russell Sm/Mid Cp® Indx NL Cl C | 848.77K | 0.69% | -23.30K |
| Vanguard Explorer Inv | 614.97K | 0.50% | - |
| Fidelity Extended Market Index | 552.27K | 0.45% | -45.46K |
| HealthInvest Sustainable Healthcare E | 538.62K | 0.44% | - |
| iShares Russell 2000 Growth ETF | 527.13K | 0.43% | - |
| iShares Russell 2000 Value ETF | 520.18K | 0.42% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 28, 2024 | Bala Mohan | SVP, Chief Development Officer | Sell | $3.58K |
| Oct 02, 2024 | DeSchuytner Brian | SVP, COO & CFO | Sell | $16.18K |
| Oct 03, 2024 | DeSchuytner Brian | SVP, COO & CFO | Sell | $10.97K |
| Oct 03, 2024 | Carvajal Alejandra | SVP, Chief Legal Officer | Sell | $10.97K |
| Oct 02, 2024 | Carvajal Alejandra | SVP, Chief Legal Officer | Sell | $16.18K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2024 Q4 | - | 11 |
| 2024 Q3 | - | 1 |
| 2024 Q2 | - | - |
| 2024 Q1 | - | 7 |
| 2023 Q4 | - | 1 |
MRSN Ownership FAQ
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