Marinus Pharmaceuticals, Inc.

NasdaqGM:MRNS Stock Report

Market Cap: US$16.7m

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 Insiders241,3840.438%
General Public3,665,5906.65%
Hedge Funds7,799,61714.2%
VC/PE Firms9,651,57617.5%
Institutions33,725,87161.2%

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

Top Shareholders

Top 25 shareholders own 86.71% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.98%
Panacea Venture Management Co., Ltd.
5,500,000US$1.7m0%2.82%
8.71%
Tang Capital Management, LLC
4,800,000US$1.5m0%0.13%
8.56%
Franklin Resources, Inc.
4,713,014US$1.4m34.9%no data
7.54%
Sofinnova Investment, Inc.
4,151,576US$1.3m196%0.08%
7.22%
Woodline Partners LP
3,979,605US$1.2m235%0.01%
6.93%
Suvretta Capital Management, LLC
3,820,012US$1.2m-25.2%0.04%
5.09%
The Vanguard Group, Inc.
2,802,965US$847.3k-0.11%no data
4.83%
abrdn plc
2,658,527US$803.7k146%no data
4.12%
Bain Capital Life Sciences Investors, LLC
2,267,680US$685.5k62.8%0.07%
3.84%
Lion Point Capital, LP
2,114,827US$639.3k-0.2%2.26%
3.4%
Bleichroeder LP
1,872,463US$566.0k0%0.15%
3.39%
BlackRock, Inc.
1,869,949US$565.3k-60.4%no data
1.85%
GSA Capital Partners LLP
1,016,634US$307.3k409%0.02%
1.3%
Millennium Management LLC
718,580US$217.2k0%no data
1.28%
Ikarian Capital, LLC
706,154US$213.5k31.3%0.06%
1.26%
Acadian Asset Management LLC
695,972US$210.4k0%no data
1.13%
Renaissance Technologies LLC
621,625US$187.9k0%no data
1.12%
Geode Capital Management, LLC
617,395US$186.6k-49.2%no data
0.93%
Goldman Sachs Group, Investment Banking and Securities Investments
512,278US$154.9k404%no data
0.91%
Susquehanna International Group, LLP, Asset Management Arm
501,797US$151.7k383%no data
0.81%
Assenagon Asset Management S.A.
444,185US$134.3k70.3%no data
0.73%
Northern Trust Global Investments
403,711US$122.0k-14%no data
0.7%
PGIM, Inc.
385,250US$116.5k0%no data
0.54%
Jacobs Levy Equity Management Inc
297,014US$89.8k600%no data
0.53%
Schroder Investment Management Limited
290,000US$87.7k0%no data