MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

MRNS was delisted on the 10th of February, 2025.

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80 hedge funds and large institutions have $563M invested in Marinus Pharmaceuticals, Inc in 2021 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 37 increasing their positions, 18 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
80
Holders Change
-7
Holders Change %
-8.05%
% of All Funds
1.4%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.09%
New
8
Increased
37
Reduced
18
Closed
15
Calls
$6.59M
Puts
$9.01M
Net Calls
-$2.41M
Net Calls Change
+$4.76M

Top Buyers

1
SAM
1
Scion Asset Management
California
$11.2M
2
BlackRock
2
BlackRock
New York
$54.1M
3
BL
3
Bleichroeder LP
New York
$19.1M
4
AG
4
Artal Group
Luxembourg
$17.9M
5
Citadel Advisors
5
Citadel Advisors
Florida
$3.86M

Top Sellers

1
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$3.93M
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$519K
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$22.6M
4
SC
4
Saltoro Capital
Texas
$0
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$2.35M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wells Fargo
76
Wells Fargo
California
$3K -$86.1K -5,768 -97%
SOW
77
State of Wyoming
Wyoming
$2K +$2K +84 New
HIA
78
Harbor Investment Advisory
Maryland
$1K – – –
Daiwa Securities Group
79
Daiwa Securities Group
Japan
$1K – – –
AIG
80
American International Group
New York
$371 +$67 +3,718 +22%
SC
81
Saltoro Capital
Texas
– -$1.09M -70,623 Closed
California Public Employees Retirement System
82
California Public Employees Retirement System
California
– -$787K -50,850 Closed
Millennium Management
83
Millennium Management
New York
– -$702K -45,339 Closed
T. Rowe Price Associates
84
T. Rowe Price Associates
Maryland
– -$653K -42,186 Closed
HP
85
Harbourvest Partners
Massachusetts
– -$479K -30,962 Closed
Blackstone Inc
86
Blackstone Inc
New York
– -$439K -28,382 Closed
SG Americas Securities
87
SG Americas Securities
New York
– -$281K -18,142 Closed
D.E. Shaw & Co
88
D.E. Shaw & Co
New York
– -$266K -17,203 Closed
Squarepoint
89
Squarepoint
New York
– -$227K -14,657 Closed
EGM
90
Engineers Gate Manager
New York
– -$206K -13,325 Closed
AQR Capital Management
91
AQR Capital Management
Connecticut
– -$179K -11,535 Closed
SFS
92
Sowell Financial Services
Arkansas
– -$58K -4,215 Closed
Bank of Montreal
93
Bank of Montreal
Ontario, Canada
– -$13K -865 Closed
WWM
94
Wagner Wealth Management
South Carolina
– -$2K -100 Closed
SPIA
95
Steward Partners Investment Advisory
New York
– -$1.55K -100 Closed
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