MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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106 hedge funds and large institutions have $485M invested in Marinus Pharmaceuticals, Inc in 2023 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 23 increasing their positions, 28 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
106
Holders Change
+20
Holders Change %
+23.26%
% of All Funds
1.67%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
42
Increased
23
Reduced
28
Closed
22
Calls
$11.1M
Puts
$1.99M
Net Calls
+$9.09M
Net Calls Change
+$1.21M

Top Buyers

1
BlackRock
1
BlackRock
New York
$42.3M
2
Jennison Associates
2
Jennison Associates
New York
$20.3M
3
State Street
3
State Street
Massachusetts
$9.77M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$29.7M
5
IC
5
Ikarian Capital
Texas
$6.65M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$14.4M
2
Millennium Management
2
Millennium Management
New York
$144K
3
ACM
3
AIGH Capital Management
Maryland
$0
4
WP
4
Woodline Partners
California
$8.69M
5
SCM
5
Suvretta Capital Management
New York
$44.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fifth Third Bancorp
101
Fifth Third Bancorp
Ohio
$1.25K +$1.25K +115 New
Daiwa Securities Group
102
Daiwa Securities Group
Japan
$1K – – –
PA
103
Parallel Advisors
California
$652 – – –
HIA
104
Harbor Investment Advisory
Maryland
$402 – – –
Nisa Investment Advisors
105
Nisa Investment Advisors
Missouri
$348 +$348 +32 New
ACM
106
AIGH Capital Management
Maryland
– -$9.22M -1,336,150 Closed
ACM
107
Altium Capital Management
New York
– -$1.58M -228,714 Closed
HF
108
HRT Financial
New York
– -$1.05M -152,410 Closed
Qube Research & Technologies (QRT)
109
Qube Research & Technologies (QRT)
United Kingdom
– -$708K -102,602 Closed
CM
110
Caption Management
Oklahoma
– -$647K -93,778 Closed
Marshall Wace
111
Marshall Wace
United Kingdom
– -$600K -87,025 Closed
MFS
112
Mirabella Financial Services
United Kingdom
– -$396K -57,388 Closed
Verition Fund Management
113
Verition Fund Management
Connecticut
– -$325K -47,108 Closed
TC
114
Tejara Capital
United Kingdom
– -$267K -38,649 Closed
LP
115
LMR Partners
United Kingdom
– -$246K -35,639 Closed
AA
116
ALPS Advisors
Colorado
– -$226K -32,691 Closed
IM
117
Islet Management
New York
– -$207K -30,000 Closed
6CM
118
683 Capital Management
New York
– -$186K -27,000 Closed
DC
119
Diametric Capital
Massachusetts
– -$131K -18,986 Closed
Balyasny Asset Management
120
Balyasny Asset Management
Illinois
– -$120K -17,423 Closed
YIH
121
Y-Intercept (HK)
Hong Kong
– -$99.9K -14,479 Closed
DTL
122
Dynamic Technology Lab
Singapore
– -$83K -12,051 Closed
LIP
123
Lighthouse Investment Partners
Florida
– -$82K -11,888 Closed
JF
124
Jump Financial
Illinois
– -$79.5K -11,526 Closed
ECM
125
ExodusPoint Capital Management
New York
– -$77K -11,100 Closed
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5
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