Marinus Pharmaceuticals, Inc.

NasdaqGM:MRNS Stock Report

Market Cap: US$95.8m

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
Individual Insiders244,9020.445%
VC/PE Firms4,151,5767.54%
Hedge Funds7,799,61714.2%
General Public11,483,13520.8%
Institutions31,404,80857%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 72.61% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
8.71%
Tang Capital Management, LLC
4,800,000US$8.4m0%0.72%
7.54%
Sofinnova Investment, Inc.
4,151,576US$7.2m196%0.43%
7.22%
Woodline Partners LP
3,979,605US$6.9m235%0.06%
6.93%
Suvretta Capital Management, LLC
3,820,012US$6.6m-25.2%0.24%
6.34%
Franklin Resources, Inc.
3,493,143US$6.1m0%no data
5.09%
The Vanguard Group, Inc.
2,802,965US$4.9m-0.11%no data
4.12%
Bain Capital Life Sciences Investors, LLC
2,267,680US$3.9m62.8%0.4%
3.84%
Lion Point Capital, LP
2,114,827US$3.7m-0.2%10.87%
3.4%
Bleichroeder LP
1,872,463US$3.3m0%0.82%
3.39%
BlackRock, Inc.
1,869,949US$3.3m-60.4%no data
2.67%
Jennison Associates LLC
1,469,285US$2.6m-50.5%no data
1.96%
abrdn plc
1,080,198US$1.9m95.5%no data
1.3%
Millennium Management LLC
718,580US$1.3m0%no data
1.28%
Ikarian Capital, LLC
706,154US$1.2m31.3%0.33%
1.26%
Acadian Asset Management LLC
695,972US$1.2m0%no data
1.13%
Renaissance Technologies LLC
621,625US$1.1m0%no data
1.12%
Geode Capital Management, LLC
617,395US$1.1m-49.2%no data
0.93%
Goldman Sachs Group, Investment Banking and Securities Investments
512,278US$891.4k404%no data
0.91%
Susquehanna International Group, LLP, Asset Management Arm
501,797US$873.1k383%no data
0.73%
Northern Trust Global Investments
403,711US$702.5k-14%no data
0.7%
PGIM, Inc.
385,250US$670.3k-1.33%no data
0.54%
Jacobs Levy Equity Management Inc
297,014US$516.8k600%no data
0.53%
Schroder Investment Management Limited
290,000US$504.6k0%no data
0.48%
Superstring Capital Management LP
261,861US$455.6k-53.7%0.54%
0.47%
Assenagon Asset Management S.A.
260,789US$453.8k-3.82%no data