Marinus Pharmaceuticals, Inc.

NasdaqGM:MRNS Stock Report

Market Cap: US$65.9m

Marinus Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of MRNS?
Owner TypeNumber of SharesOwnership Percentage
Private Companies14,2620.026%
Individual Insiders180,3240.328%
General Public822,3341.5%
Hedge Funds11,746,11921.4%
Institutions42,160,69676.8%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 10.6%.


Top Shareholders

Top 25 shareholders own 89.67% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.73%
Suvretta Capital Management, LLC
5,346,119US$6.4m2.71%1.64%
8.37%
BlackRock, Inc.
4,599,278US$5.5m10.9%no data
8.25%
Eventide Asset Management, LLC
4,529,997US$5.4m0%0.56%
6.98%
Franklin Resources, Inc.
3,833,845US$4.6m1.31%0.01%
5.92%
Cormorant Asset Management, LP
3,250,000US$3.9m23.8%1.27%
5.74%
Avoro Capital Advisors LLC
3,150,000US$3.8m0%0.34%
5.39%
Jennison Associates LLC
2,959,161US$3.6m0.13%0.01%
4.87%
The Vanguard Group, Inc.
2,673,231US$3.2m3.72%no data
4.7%
Adage Capital Management, L.P.
2,581,250US$3.1m-11.1%0.04%
3.89%
Lion Point Capital, LP
2,134,337US$2.6m-0.51%12.67%
3.41%
Bleichroeder LP
1,872,463US$2.2m0%3.16%
3.23%
Sofinnova Investment, Inc.
1,772,699US$2.1m79.9%0.98%
3.14%
GMT Capital Corp.
1,722,695US$2.1m0%0.35%
2.61%
Bain Capital Life Sciences Investors, LLC
1,431,058US$1.7m0%0.97%
2.07%
Geode Capital Management, LLC
1,139,494US$1.4m9.05%no data
1.83%
State Street Global Advisors, Inc.
1,005,907US$1.2m1.04%no data
1.46%
Woodline Partners LP
800,000US$960.0k26.7%0.06%
1.36%
Ikarian Capital, LLC
746,069US$895.3k0%1.34%
1.09%
Citadel Advisors LLC
596,396US$715.7k24.8%no data
1.05%
Morgan Stanley, Investment Banking and Brokerage Investments
576,772US$692.1k1,350%no data
1.03%
Opaleye Management Inc.
563,500US$676.2k-3.51%0.96%
1.01%
abrdn plc
552,572US$663.1k0%no data
0.9%
Point72 Asset Management, L.P.
493,400US$592.1k-53.7%0.01%
0.84%
Superstring Capital Management LP
462,444US$554.9k0%2.98%
0.84%
Northern Trust Global Investments
459,085US$550.9k6.71%no data
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