MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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105 hedge funds and large institutions have $592M invested in Marinus Pharmaceuticals, Inc in 2023 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 35 increasing their positions, 33 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
105
Holders Change
+1
Holders Change %
+0.96%
% of All Funds
1.54%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
21
Increased
35
Reduced
33
Closed
19
Calls
$12.9M
Puts
$826K
Net Calls
+$12.1M
Net Calls Change
+$1.27M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$12.7M
2
SI
2
Sofinnova Investments
California
$19.3M
3
CAM
3
Cormorant Asset Management
Massachusetts
$35.3M
4
Aberdeen Group
4
Aberdeen Group
United Kingdom
$6.01M
5
BlackRock
5
BlackRock
New York
$50M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$5.36M
2
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$28.1M
3
BFM
3
Boothbay Fund Management
New York
$1.76M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$2.95M
5
SSA
5
Schonfeld Strategic Advisors
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
DA
76
Denali Advisors
California
$148K -$141K -13,000 -49%
SG Americas Securities
77
SG Americas Securities
New York
$134K +$134K +12,289 New
ProShare Advisors
78
ProShare Advisors
Maryland
$129K +$129K +11,880 New
CC
79
Corton Capital
Ontario, Canada
$120K +$120K +10,999 New
California State Teachers Retirement System (CalSTRS)
80
California State Teachers Retirement System (CalSTRS)
California
$90.7K -$30.9K -2,842 -25%
Citigroup
81
Citigroup
New York
$89K +$81.9K +7,532 +1,150%
AB
82
Amalgamated Bank
New York
$77K -$5.46K -500 -7%
CUAMC
83
China Universal Asset Management Company
China
$68.6K +$54.4K +5,003 +384%
Osaic Holdings
84
Osaic Holdings
Arizona
$63.1K -$2.59K -238 -4%
Legal & General Group
85
Legal & General Group
United Kingdom
$60.5K -$1.73K -159 -3%
AIP
86
Ameritas Investment Partners
Nebraska
$57.1K +$12.3K +1,135 +28%
CAS
87
Coppell Advisory Solutions
Texas
$54.2K +$54.2K +4,984 New
Walleye Trading
88
Walleye Trading
New York
$45.9K -$168K -15,456 -79%
MLICM
89
Metropolitan Life Insurance Company (MetLife)
New York
$29.7K – – –
Zurich Cantonal Bank
90
Zurich Cantonal Bank
Switzerland
$28.1K -$3.54K -326 -11%
Fidelity Investments
91
Fidelity Investments
Massachusetts
$26.6K -$22.8K -2,097 -46%
MIM
92
Macroview Investment Management
Maryland
$11.2K -$2.79K -257 -20%
S
93
SignatureFD
Georgia
$3.72K +$1.69K +155 +83%
AF
94
Allworth Financial
California
$2.88K +$2.88K +265 New
LC
95
Lindbrook Capital
California
$2.63K – – –
Fifth Third Bancorp
96
Fifth Third Bancorp
Ohio
$1.25K – – –
Daiwa Securities Group
97
Daiwa Securities Group
Japan
$1K – – –
ASN
98
Advisory Services Network
Georgia
$826 +$826 +76 New
SWA
99
SOA Wealth Advisors
New York
$435 +$435 +40 New
HIA
100
Harbor Investment Advisory
Maryland
$402 – – –
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4
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