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 %
Two Sigma Investments
51
Two Sigma Investments
New York
$209K -$1.74M -135,523 -89%
Morgan Stanley
52
Morgan Stanley
New York
$206K +$119K +9,274 +136%
AIG
53
American International Group
New York
$192K +$25.7K +2,001 +15%
Manulife (Manufacturers Life Insurance)
54
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$191K +$20.5K +1,600 +12%
UBS Group
55
UBS Group
Switzerland
$182K -$450 -35 -0.2%
Deutsche Bank
56
Deutsche Bank
Germany
$181K +$43.7K +3,388 +32%
Squarepoint
57
Squarepoint
New York
$160K +$160K +12,474 New
MIM
58
MetLife Investment Management
New Jersey
$154K +$13.5K +1,052 +10%
GC
59
Grimes & Company
Massachusetts
$145K +$91.8K +7,125 +173%
Bank of America
60
Bank of America
North Carolina
$122K +$63.1K +4,886 +107%
MLICM
61
Metropolitan Life Insurance Company (MetLife)
New York
$105K +$8.71K +678 +9%
Simplex Trading
62
Simplex Trading
Illinois
$95K +$34.9K +2,719 +58%
Legal & General Group
63
Legal & General Group
United Kingdom
$38K -$4.92K -385 -11%
SFS
64
Sowell Financial Services
Arkansas
$36K +$36K +2,780 New
MAM
65
Meeder Asset Management
Ohio
$33K +$1.98K +151 +6%
Russell Investments Group
66
Russell Investments Group
United Kingdom
$32K -$12 -1 -0%
AIP
67
Ameritas Investment Partners
Nebraska
$23K -$13 -1 -0.1%
Citigroup
68
Citigroup
New York
$15K -$21.3K -1,707 -59%
Bank of Montreal
69
Bank of Montreal
Ontario, Canada
$15K -$8.82K -623 -37%
PHK
70
Point72 Hong Kong
Hong Kong
$11K +$11K +848 New
PFO
71
Pathstone Family Office
New Jersey
$9K +$9K +699 New
CG
72
Cutler Group
California
$8K – – –
Nisa Investment Advisors
73
Nisa Investment Advisors
Missouri
$6K – – –
Millennium Management
74
Millennium Management
New York
$4.46K +$1.46K +113,453 +49%
Rockefeller Capital Management
75
Rockefeller Capital Management
New York
$3K +$3K +250 New
1 2
3
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