MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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77 hedge funds and large institutions have $307M invested in Marinus Pharmaceuticals, Inc in 2020 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 39 increasing their positions, 20 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
77
Holders Change
-17
Holders Change %
-18.09%
% of All Funds
1.56%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
11
Increased
39
Reduced
20
Closed
28
Calls
$23.2M
Puts
$12.1M
Net Calls
+$11.1M
Net Calls Change
+$11.7M

Top Buyers

1
6CM
1
683 Capital Management
New York
$12.5M
2
MS
2
Maven Securities
Jersey
$6.89M
3
BlackRock
3
BlackRock
New York
$22.5M
4
SCM
4
Suvretta Capital Management
New York
$10M
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$12M

Top Sellers

1
VA
1
VR Adviser
New York
$15.3M
2
WG
2
Winton Group
United Kingdom
$0
3
MIM
3
Monashee Investment Management
Massachusetts
$0
4
Two Sigma Investments
4
Two Sigma Investments
New York
$209K
5
ACM
5
Asymmetry Capital Management
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Royal Bank of Canada
76
Royal Bank of Canada
Ontario, Canada
$1K -$2.51K -196 -72%
Osaic Holdings
77
Osaic Holdings
Arizona
$1K +$486 +36 +95%
WG
78
Winton Group
United Kingdom
– -$3.03M -298,139 Closed
MIM
79
Monashee Investment Management
Massachusetts
– -$2.04M -200,625 Closed
ACM
80
Asymmetry Capital Management
California
– -$1.49M -146,561 Closed
D.E. Shaw & Co
81
D.E. Shaw & Co
New York
– -$1.21M -118,574 Closed
AllianceBernstein
82
AllianceBernstein
Tennessee
– -$265K -26,075 Closed
EGM
83
Engineers Gate Manager
New York
– -$255K -25,132 Closed
PHP
84
Parkman Healthcare Partners
Connecticut
– -$254K -25,000 Closed
Barclays
85
Barclays
United Kingdom
– -$118K -11,684 Closed
SG Americas Securities
86
SG Americas Securities
New York
– -$117K -11,504 Closed
Renaissance Technologies
87
Renaissance Technologies
New York
– -$111K -10,950 Closed
State Board of Administration of Florida Retirement System
88
State Board of Administration of Florida Retirement System
Florida
– -$97K -9,592 Closed
ARTA
89
A.R.T. Advisors
New York
– -$96K -9,430 Closed
VOYA Investment Management
90
VOYA Investment Management
Georgia
– -$73K -7,194 Closed
GF
91
Gabelli Funds
New York
– -$69K -6,750 Closed
Arrowstreet Capital
92
Arrowstreet Capital
Massachusetts
– -$60K -5,875 Closed
APWM
93
Atlas Private Wealth Management
New York
– -$51K -5,000 Closed
PPA
94
Parametric Portfolio Associates
Washington
– -$44K -4,342 Closed
DTL
95
Dynamic Technology Lab
Singapore
– -$44K -4,341 Closed
IIA
96
IPG Investment Advisors
California
– -$44.1K -4,338 Closed
Wolverine Trading
97
Wolverine Trading
Illinois
– -$43K -4,248 Closed
Principal Financial Group
98
Principal Financial Group
Iowa
– -$36K -3,498 Closed
AB
99
Amalgamated Bank
New York
– -$34K -3,345 Closed
ProShare Advisors
100
ProShare Advisors
Maryland
– -$29K -2,879 Closed
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