MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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69 hedge funds and large institutions have $184M invested in Marinus Pharmaceuticals, Inc in 2022 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 20 increasing their positions, 16 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
69
Holders Change
-4
Holders Change %
-5.48%
% of All Funds
1.19%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
12
Increased
20
Reduced
16
Closed
16
Calls
$4.72M
Puts
$1.49M
Net Calls
+$3.24M
Net Calls Change
+$3.69M

Top Buyers

1
WP
1
Woodline Partners
California
$9.1M
2
AC
2
Antara Capital
New York
$6.63M
3
Assenagon Asset Management
3
Assenagon Asset Management
Luxembourg
$3.51M
4
Walleye Capital
4
Walleye Capital
New York
$1.91M
5
Goldman Sachs
5
Goldman Sachs
New York
$818K

Top Sellers

1
6CM
1
683 Capital Management
New York
$6.48M
2
AG
2
Artal Group
Luxembourg
$1.04M
3
SCM
3
Stonepine Capital Management
Oregon
$0
4
Millennium Management
4
Millennium Management
New York
$1.4M
5
Victory Capital Management
5
Victory Capital Management
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Goldman Sachs
26
Goldman Sachs
New York
$818K +$515K +77,435 +170%
State Street
27
State Street
Massachusetts
$799K -$66.5K -10,000 -8%
UBS Group
28
UBS Group
Switzerland
$641K +$1.18K +178 +0.2%
Man Group
29
Man Group
United Kingdom
$457K +$457K +68,720 New
Parallax Volatility Advisers
30
Parallax Volatility Advisers
California
$405K +$405K +60,869 New
Northern Trust
31
Northern Trust
Illinois
$380K -$533 -80 -0.1%
Susquehanna International Group
32
Susquehanna International Group
Pennsylvania
$245K +$67.3K +10,139 +38%
MS
33
Maven Securities
Jersey
$233K – – –
GC
34
Grimes & Company
Massachusetts
$230K +$4.98K +750 +2%
Morgan Stanley
35
Morgan Stanley
New York
$227K -$473K -71,611 -68%
Simplex Trading
36
Simplex Trading
Illinois
$221K +$215K +32,368 +3,323%
PAI
37
Palo Alto Investors
California
$208K – – –
GCP
38
GSA Capital Partners
United Kingdom
$205K -$75.7K -11,400 -27%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$136K -$48.1K -7,211 -26%
Bank of New York Mellon
40
Bank of New York Mellon
New York
$130K -$5.21K -780 -4%
LP
41
LMR Partners
United Kingdom
$117K – – –
Walleye Trading
42
Walleye Trading
New York
$117K +$117K +17,669 New
T. Rowe Price Associates
43
T. Rowe Price Associates
Maryland
$104K – – –
Hudson Bay Capital Management
44
Hudson Bay Capital Management
Connecticut
$101K +$101K +15,253 New
Bank of America
45
Bank of America
North Carolina
$97K +$13.9K +2,083 +17%
PP
46
PDT Partners
New York
$95K +$8.59K +1,288 +10%
Charles Schwab
47
Charles Schwab
California
$86K – – –
DU
48
Delphia (USA)
Ontario, Canada
$86K +$86K +12,973 New
XT
49
XTX Topco
Cayman Islands
$85K -$167K -25,169 -66%
CC
50
Corton Capital
Ontario, Canada
$85K +$85K +12,736 New
1
2
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