MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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73 hedge funds and large institutions have $180M invested in Marinus Pharmaceuticals, Inc in 2018 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 19 increasing their positions, 9 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
73
Holders Change
+13
Holders Change %
+21.67%
% of All Funds
1.67%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
31
Increased
19
Reduced
9
Closed
17
Calls
$5.01M
Puts
$2.9M
Net Calls
+$2.11M
Net Calls Change
+$1.57M

Top Buyers

1
BlackRock
BlackRock
New York
$18.7M
2
TBC
Three Bays Capital
Massachusetts
$13.5M
3
State Street
State Street
Massachusetts
$3.89M
4
VMI
VHCP Management II
New York
$2.44M
5
Northern Trust
Northern Trust
Illinois
$2.74M

Top Sellers

1
GC
GMT Capital
Georgia
$0
2
Millennium Management
Millennium Management
New York
$1.11M
3
Deutsche Bank
Deutsche Bank
Germany
$572K
4
Renaissance Technologies
Renaissance Technologies
New York
$0
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Morgan Stanley
26
Morgan Stanley
New York
$650K +$559K +19,756 +615%
Deutsche Bank
27
Deutsche Bank
Germany
$572K -$1.87M -66,066 -77%
UBS Group
28
UBS Group
Switzerland
$553K +$553K +19,569 New
TA
29
Teachers Advisors
New York
$494K +$494K +17,465 New
AQR Capital Management
30
AQR Capital Management
Connecticut
$493K +$493K +17,429 New
Charles Schwab
31
Charles Schwab
California
$480K +$480K +16,950 New
AA
32
ALPS Advisors
Colorado
$416K +$416K +14,700 New
BCM
33
Bridgeway Capital Management
Texas
$407K +$407K +14,402 New
California State Teachers Retirement System (CalSTRS)
34
California State Teachers Retirement System (CalSTRS)
California
$394K +$394K +13,930 New
DTL
35
Dynamic Technology Lab
Singapore
$363K +$363K +12,822 New
Barclays
36
Barclays
United Kingdom
$333K -$95.1K -3,361 -22%
Citadel Advisors
37
Citadel Advisors
Florida
$251K +$133K +4,700 +112%
RhumbLine Advisers
38
RhumbLine Advisers
Massachusetts
$245K +$245K +8,675 New
Manulife (Manufacturers Life Insurance)
39
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$211K +$200K +7,063 +1,753%
Goldman Sachs
40
Goldman Sachs
New York
$201K -$840K -29,702 -81%
SAM
41
Silphium Asset Management
United Kingdom
$200K +$200K +7,062 New
New York State Common Retirement Fund
42
New York State Common Retirement Fund
New York
$182K +$182K +6,450 New
AIG
43
American International Group
New York
$168K +$168K +5,930 New
ProShare Advisors
44
ProShare Advisors
Maryland
$154K +$22.1K +783 +17%
AllianceBernstein
45
AllianceBernstein
Tennessee
$147K +$147K +5,200 New
GCP
46
GSA Capital Partners
United Kingdom
$141K +$141K +4,975 New
Invesco
47
Invesco
Georgia
$131K +$39.1K +1,387 +43%
FAM
48
Fred Alger Management
New York
$127K – – –
DekaBank Deutsche Girozentrale
49
DekaBank Deutsche Girozentrale
Germany
$120K – – –
TI
50
Trexquant Investment
Connecticut
$102K +$102K +3,616 New
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