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Marinus Pharmaceuticals Ownership | Who Owns Marinus Pharmaceuticals?

OverviewForecastRevenueFinancialsChartTranscripts

Marinus Pharmaceuticals Ownership Summary

Marinus Pharmaceuticals is owned by 72.28% institutional investors, 10.94% insiders, and 16.78% retail investors. Tang capital management is the largest institutional shareholder, holding 8.44% 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

TypeName% Inst% Insiders% Retail
StockMarinus Pharmaceuticals72.28%10.94%16.78%
SectorHealthcare Stocks 49.73%8.84%41.43%
IndustryBiotech Stocks 47.04%8.74%44.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Tang capital management4.80M8.44%$5.62M
Woodline partners lp3.98M7.00%$4.66M
Suvretta capital management3.82M6.72%$4.47M
Franklin resources3.49M6.14%$4.09M
Vanguard group2.80M4.93%$3.28M
Bain capital life sciences investors2.27M3.99%$2.65M
Lion point capital, lp2.11M3.72%$2.47M
Bleichroeder lp1.87M3.29%$2.19M
Blackrock1.87M3.29%$2.19M
Abrdn1.08M1.90%$1.26M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Lion point capital, lp2.11M4.51%$2.47M
Bleichroeder lp1.87M0.65%$2.19M
Tang capital management4.80M0.57%$5.62M
Bain capital life sciences investors2.27M0.29%$2.65M
Suvretta capital management3.82M0.16%$4.47M
Woodline partners lp3.98M0.04%$4.66M
Values first advisors62.67K0.04%$73.33K
Xtx topco197.94K0.02%$231.59K
Gsa capital partners llp199.58K0.02%$234.00K
Point72 asia (singapore) pte.54.88K0.01%$64.21K

Top Buyers

HolderShares% AssetsChange
Tang capital management4.80M0.57%4.80M
Woodline partners lp3.98M0.04%2.79M
Bain capital life sciences investors2.27M0.29%874.30K
Acadian asset management695.97K0.00%695.97K
Renaissance621.63K0.00%621.63K

Top Sellers

HolderShares% AssetsChange
Avoro capital advisors---4.14M
Cormorant asset management, lp---3.25M
Blackrock1.87M--2.85M
Eventide asset management---2.35M
Adage capital partners gp---2.33M

New Positions

HolderShares% AssetsChangeValue
Tang capital management4.80M0.57%4.80M$5.62M
Acadian asset management695.97K0.00%695.97K$813.00K
Renaissance621.63K0.00%621.63K$727.30K
Gsa capital partners llp199.58K0.02%199.58K$234.00K
Xtx topco197.94K0.02%197.94K$231.59K

Sold Out

HolderChange
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

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202480-13.04%41,366,247-4.36%721.25%35-32.69%25-16.67%
Jun 30, 202492-31.85%43,253,724-19.62%760.85%52-21.21%30-14.29%
Mar 31, 202413510.66%53,814,604-0.04%940.94%6611.86%352.94%
Dec 31, 20231223.39%53,838,2065.47%1001.12%593.51%346.25%
Sep 30, 2023118-0.84%51,044,76414.30%941.31%57-12.31%323.23%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Franklin Biotechnology Discv A(acc)USD2.99M5.42%694.60K
Vanguard Total Stock Mkt Idx Inv1.73M3.14%-
Franklin Biotechnology Discovery A1.73M3.13%525.20K
abrdn Healthcare Investors1.53M2.78%-
abrdn Life Sciences Investors1.13M2.04%-
PGIM Jennison Health Sciences Z844.04K1.53%-
Jennison Health Sciences Equity844.04K1.53%-882.35K
Vanguard Institutional Extnd Mkt Idx Tr811.00K1.47%-
iShares Biotechnology ETF347.16K0.63%-2.08K
International Biotechnology Ord290.00K0.53%-

Recent Insider Transactions

DateNameRoleActivityValue
Aug 05, 2024Pfanstiel Steven CFO AND COOSell$5.26K
Aug 05, 2024Shafer Christina CHIEF COMMERCIAL OFFICERSell$4.35K
Aug 05, 2024MANNING MARTHA E SVP, GEN. COUNSEL & CORP. SEC.Sell$4.09K
Aug 05, 2024Hulihan Joseph CHIEF MEDICAL OFFICERSell$5.46K
Aug 05, 2024Braunstein Scott CHAIRMAN AND CEOSell$13.72K

Insider Transactions Trends

DateBuySell
2024 Q3-5
2024 Q2--
2024 Q1-5
2023 Q3-10
2023 Q2--

MRNS Ownership FAQ

Who Owns Marinus Pharmaceuticals?

Marinus Pharmaceuticals shareholders are primarily institutional investors at 72.28%, followed by 10.94% insiders and 16.78% retail investors. The average institutional ownership in Marinus Pharmaceuticals's industry, Biotech Stocks , is 47.04%, which Marinus Pharmaceuticals exceeds.

Who owns the most shares of Marinus Pharmaceuticals?

Marinus Pharmaceuticals’s largest shareholders are Tang capital management (4.8M shares, 8.44%), Woodline partners lp (3.98M shares, 7.00%), and Suvretta capital management (3.82M shares, 6.72%). Together, they hold 22.16% of Marinus Pharmaceuticals’s total shares outstanding.

Does Blackrock own Marinus Pharmaceuticals?

Yes, BlackRock owns 3.29% of Marinus Pharmaceuticals, totaling 1.87M shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 2.19M$. In the last quarter, BlackRock decreased its holdings by -2.851M shares, a -60.39% change.

Who is Marinus Pharmaceuticals’s biggest shareholder by percentage of total assets invested?

Lion point capital, lp is Marinus Pharmaceuticals’s biggest shareholder by percentage of total assets invested, with 4.51% of its assets in 2.11M Marinus Pharmaceuticals shares, valued at 2.47M$.

Who is the top mutual fund holder of Marinus Pharmaceuticals shares?

Franklin Biotechnology Discv A(acc)USD is the top mutual fund holder of Marinus Pharmaceuticals shares, with 5.42% of its total shares outstanding invested in 2.99M Marinus Pharmaceuticals shares.

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