MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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112 hedge funds and large institutions have $486M invested in Marinus Pharmaceuticals, Inc in 2024 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 38 increasing their positions, 36 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
112
Holders Change
+7
Holders Change %
+6.67%
% of All Funds
1.62%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
21
Increased
38
Reduced
36
Closed
13
Calls
$14.8M
Puts
$27M
Net Calls
-$12.2M
Net Calls Change
-$24.3M

Top Buyers

1
ACA
1
Avoro Capital Advisors
New York
$37.4M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$7.68M
3
Citadel Advisors
3
Citadel Advisors
Florida
$11.2M
4
ABG
4
Ally Bridge Group
New York
$3.57M
5
WP
5
Woodline Partners
California
$10.7M

Top Sellers

1
EAM
1
Eventide Asset Management
Massachusetts
$21.2M
2
Morgan Stanley
2
Morgan Stanley
New York
$3.69M
3
OM
3
Opaleye Management
Massachusetts
$0
4
SI
4
Sofinnova Investments
California
$12.7M
5
Franklin Resources
5
Franklin Resources
California
$31.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
ABG
26
Ally Bridge Group
New York
$3.57M +$3.57M +394,773 New
Prudential Financial
27
Prudential Financial
New Jersey
$3.53M +$358K +39,600 +11%
Wellington Management Group
28
Wellington Management Group
Massachusetts
$2.67M +$485K +53,682 +22%
Schroder Investment Management Group
29
Schroder Investment Management Group
United Kingdom
$2.62M – – –
GTC
30
Ghost Tree Capital
New York
$2.58M +$1.36M +150,000 +111%
Assenagon Asset Management
31
Assenagon Asset Management
Luxembourg
$2.45M – – –
Walleye Capital
32
Walleye Capital
New York
$1.68M -$606K -67,077 -27%
PBM
33
Propel Bio Management
California
$1.63M – – –
ACM
34
Altium Capital Management
New York
$1.6M -$209K -23,160 -12%
Jane Street
35
Jane Street
New York
$1.52M +$632K +69,895 +71%
EAM
36
Exome Asset Management
New York
$1.47M +$1.47M +163,100 New
Bank of New York Mellon
37
Bank of New York Mellon
New York
$1.45M -$84.9K -9,391 -6%
Charles Schwab
38
Charles Schwab
California
$1.4M +$47.4K +5,241 +4%
SAM
39
Simplify Asset Management
Nevada
$1.36M – – –
BFM
40
Boothbay Fund Management
New York
$1.28M -$185K -20,459 -13%
Nuveen Asset Management
41
Nuveen Asset Management
Illinois
$1.26M – – –
Goldman Sachs
42
Goldman Sachs
New York
$1.23M +$576K +63,698 +88%
UBS Group
43
UBS Group
Switzerland
$1.12M +$369K +40,782 +49%
TI
44
Trexquant Investment
Connecticut
$972K +$512K +56,682 +111%
Susquehanna International Group
45
Susquehanna International Group
Pennsylvania
$939K -$362K -40,014 -28%
Simplex Trading
46
Simplex Trading
Illinois
$834K +$834K +92,271 New
Bank of America
47
Bank of America
North Carolina
$820K +$406K +44,951 +98%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$697K +$11.9K +1,311 +2%
Barclays
49
Barclays
United Kingdom
$685K -$4.91K -543 -0.7%
CM
50
Caption Management
Oklahoma
$670K +$670K +74,108 New
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