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.

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 %
ABG
26
Ally Bridge Group
New York
$4.24M +$4.24M +390,418 New
Walleye Capital
27
Walleye Capital
New York
$3.91M +$3.58M +329,362 +1,066%
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$3.85M +$2.89M +266,521 +302%
Citadel Advisors
29
Citadel Advisors
Florida
$3.28M +$1.29M +118,904 +65%
Prudential Financial
30
Prudential Financial
New Jersey
$2.95M +$2.95M +271,280 New
JFG
31
Jefferies Financial Group
New York
$2.76M -$2.71M -249,772 -50%
Two Sigma Investments
32
Two Sigma Investments
New York
$2.42M +$2.42M +222,484 New
Bank of Montreal
33
Bank of Montreal
Ontario, Canada
$2.06M -$1.78M -163,106 -46%
PHP
34
Parkman Healthcare Partners
Connecticut
$1.86M -$857K -78,925 -32%
EI
35
EAM Investors
California
$1.86M – – –
Bank of New York Mellon
36
Bank of New York Mellon
New York
$1.78M +$1.21M +111,757 +215%
Jane Street
37
Jane Street
New York
$1.72M -$1.58M -145,400 -48%
Wellington Management Group
38
Wellington Management Group
Massachusetts
$1.7M +$1.7M +156,978 New
SAM
39
Simplify Asset Management
Nevada
$1.63M – – –
SSA
40
Schonfeld Strategic Advisors
New York
$1.62M +$1.1M +101,227 +210%
Nuveen Asset Management
41
Nuveen Asset Management
Illinois
$1.51M +$1.51M +139,477 New
Charles Schwab
42
Charles Schwab
California
$1.47M +$1.25M +115,496 +590%
CSS
43
Cubist Systematic Strategies
Connecticut
$1.33M +$1.33M +122,190 +174,557%
Morgan Stanley
44
Morgan Stanley
New York
$1.07M -$251K -23,146 -19%
Simplex Trading
45
Simplex Trading
Illinois
$996K -$208K -19,182 -17%
IBT
46
International Biotechnology Trust
United Kingdom
$977K +$977K +90,000 New
Federated Hermes
47
Federated Hermes
Pennsylvania
$890K +$890K +81,964 New
MCM
48
Moore Capital Management
New York
$815K +$815K +75,000 New
Two Sigma Advisers
49
Two Sigma Advisers
New York
$804K +$804K +74,025 New
RhumbLine Advisers
50
RhumbLine Advisers
Massachusetts
$727K +$727K +66,902 New
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