Marinus Pharmaceuticals Ownership | Who Owns Marinus Pharmaceuticals?
Marinus Pharmaceuticals Ownership Summary
Marinus Pharmaceuticals is owned by 50.90% institutional investors, 10.94% insiders, and 38.16% retail investors. Beryl capital management is the largest institutional shareholder, holding 7.39% of MRNS shares. Franklin Biotechnology Discv A(acc)USD is the top mutual fund, with 5.42% of its assets in Marinus Pharmaceuticals shares.
MRNS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Marinus Pharmaceuticals | 50.90% | 10.94% | 38.16% |
| Sector | Healthcare Stocks | 57.39% | 9.93% | 32.68% |
| Industry | Biotech Stocks | 68.48% | 9.65% | 21.87% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Beryl capital management | 4.23M | 7.39% | $2.26M |
| Bain capital life sciences investors | 2.69M | 4.71% | $1.44M |
| Abrdn | 2.66M | 4.65% | $1.42M |
| Vanguard group | 2.60M | 4.54% | $1.39M |
| Woodline partners lp | 2.34M | 4.08% | $1.25M |
| Blackrock | 1.87M | 3.29% | $2.19M |
| Gsa capital partners llp | 1.84M | 3.21% | $983.00K |
| Tang capital management | 1.64M | 2.87% | $878.61K |
| Blackrock funding, inc. /de | 883.67K | 1.54% | $472.85K |
| Acadian asset management | 696.74K | 1.22% | $371.00K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Beryl capital management | 4.23M | 0.51% | $2.26M |
| Bain capital life sciences investors | 2.69M | 0.17% | $1.44M |
| Gsa capital partners llp | 1.84M | 0.07% | $983.00K |
| Tang capital management | 1.64M | 0.06% | $878.61K |
| Xtx topco | 219.82K | 0.01% | $117.63K |
| Gabelli & co investment advisers | 100.00K | 0.01% | $53.51K |
| Woodline partners lp | 2.34M | 0.01% | $1.25M |
| Harvest investment services | 41.14K | 0.01% | $22.02K |
| Coppell advisory solutions | 3.09K | 0.00% | $31.41K |
| Point72 asia (singapore) pte. | 20.78K | 0.00% | $11.12K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Beryl capital management | 4.23M | 0.51% | 4.23M |
| Woodline partners lp | 2.34M | 0.01% | 1.07M |
| Gsa capital partners llp | 1.84M | 0.07% | 820.86K |
| Jpmorgan chase | 487.58K | - | 354.39K |
| Ubs group | 258.94K | - | 256.69K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Suvretta capital management | - | - | -5.07M |
| Franklin resources | - | - | -4.71M |
| Sofinnova investments | - | - | -4.39M |
| Avoro capital advisors | - | - | -4.14M |
| Cormorant asset management, lp | - | - | -3.25M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Beryl capital management | 4.23M | 0.51% | 4.23M | $2.26M |
| Gabelli & co investment advisers | 100.00K | 0.01% | 100.00K | $53.51K |
| Virtu financial | 66.72K | 0.00% | 66.72K | $36.00K |
| Harvest investment services | 41.14K | 0.01% | 41.14K | $22.02K |
| Macquarie group | 2.75K | - | 2.75K | $3.22K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -11.00 |
| Quadrant capital group | -22.00 |
| Harbor investment advisory | -37.00 |
| Gamma investing | -56.00 |
| Nisa investment advisors | -76.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2024 | 53 | -33.75% | 29,127,098 | -29.59% | 50 | 0.97% | 20 | -41.18% | 21 | -16.00% |
| Sep 30, 2024 | 80 | -13.04% | 41,366,247 | -4.36% | 72 | 1.25% | 35 | -32.69% | 25 | -16.67% |
| Jun 30, 2024 | 92 | -31.85% | 43,253,724 | -19.62% | 76 | 0.85% | 52 | -21.21% | 30 | -14.29% |
| Mar 31, 2024 | 135 | 10.66% | 53,814,604 | -0.04% | 94 | 0.94% | 66 | 11.86% | 35 | 2.94% |
| Dec 31, 2023 | 122 | 3.39% | 53,838,206 | 5.47% | 100 | 1.12% | 59 | 3.51% | 34 | 6.25% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Franklin Biotechnology Discv A(acc)USD | 2.99M | 5.42% | 694.60K |
| Franklin Biotechnology Discovery A | 1.73M | 3.13% | 525.20K |
| Vanguard Total Stock Mkt Idx Inv | 1.73M | 3.13% | - |
| abrdn Healthcare Investors | 1.53M | 2.77% | -1.56K |
| abrdn Life Sciences Investors | 1.12M | 2.04% | -1.14K |
| PGIM Jennison Health Sciences Z | 844.04K | 1.53% | - |
| Jennison Health Sciences Equity | 844.04K | 1.53% | -882.35K |
| Vanguard Institutional Extnd Mkt Idx Tr | 811.00K | 1.47% | - |
| iShares Biotechnology ETF | 337.13K | 0.61% | - |
| International Biotechnology Ord | 290.00K | 0.53% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 14, 2024 | Braunstein Scott | CHAIRMAN AND CEO | Buy | $6.53K |
| Jan 21, 2025 | Ezickson Elan | - | Sell | $864.00 |
| Jan 21, 2025 | Johnson Marvin | - | Sell | $869.40 |
| Aug 05, 2024 | Pfanstiel Steven | CFO AND COO | Sell | $5.26K |
| Aug 05, 2024 | Shafer Christina | CHIEF COMMERCIAL OFFICER | Sell | $4.35K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q1 | - | 2 |
| 2024 Q4 | - | - |
| 2024 Q3 | - | 5 |
| 2024 Q2 | - | - |
| 2024 Q1 | - | 5 |
MRNS Ownership FAQ
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