MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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74 hedge funds and large institutions have $131M invested in Marinus Pharmaceuticals, Inc in 2020 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 30 increasing their positions, 12 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
74
Holders Change
-5
Holders Change %
-6.33%
% of All Funds
1.63%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.09%
New
16
Increased
30
Reduced
12
Closed
17
Calls
$407K
Puts
$1.41M
Net Calls
-$1.01M
Net Calls Change
-$214K

Top Buyers

1
JG
Jefferies Group
New York
+$3.84M
2
BlackRock
BlackRock
New York
+$3.12M
3
BL
Bleichroeder LP
New York
+$2.54M
4
ACP
Acuta Capital Partners
California
+$2.11M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$2M

Top Sellers

1
GPCM
Granite Point Capital Management
Massachusetts
-$1.65M
2
OAM
Oxford Asset Management
United Kingdom
-$398K
3
BCM
Bridgeway Capital Management
Texas
-$195K
4
AC
Aristides Capital
Kentucky
-$177K
5
ARTA
A.R.T. Advisors
New York
-$157K
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$483K +$218K +26,879 +82%
Charles Schwab
27
Charles Schwab
California
$400K +$142K +17,475 +55%
Dimensional Fund Advisors
28
Dimensional Fund Advisors
Texas
$379K -$74.8K -9,217 -16%
PAI
29
Palo Alto Investors
California
$254K – – –
California State Teachers Retirement System (CalSTRS)
30
California State Teachers Retirement System (CalSTRS)
California
$254K +$99.1K +12,177 +64%
Los Angeles Capital Management
31
Los Angeles Capital Management
California
$243K +$243K +29,950 New
Citadel Advisors
32
Citadel Advisors
Florida
$192K +$52.6K +6,498 +38%
Jacobs Levy Equity Management
33
Jacobs Levy Equity Management
New Jersey
$162K -$149K -18,349 -48%
RhumbLine Advisers
34
RhumbLine Advisers
Massachusetts
$150K +$13.9K +1,705 +10%
UBS Group
35
UBS Group
Switzerland
$139K -$39.8K -4,898 -22%
Group One Trading
36
Group One Trading
Illinois
$129K -$4.86K -598 -4%
Goldman Sachs
37
Goldman Sachs
New York
$121K -$75K -9,219 -38%
Wells Fargo
38
Wells Fargo
California
$118K +$14.5K +1,800 +14%
CM
39
Caption Management
Oklahoma
$114K – – –
AllianceBernstein
40
AllianceBernstein
Tennessee
$107K +$56.2K +6,950 +111%
Manulife (Manufacturers Life Insurance)
41
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$101K +$101K +12,395 New
AIG
42
American International Group
New York
$99K +$33.5K +4,110 +51%
VOYA Investment Management
43
VOYA Investment Management
Georgia
$86K +$25.4K +3,133 +42%
Squarepoint
44
Squarepoint
New York
$76K +$76K +9,399 New
Deutsche Bank
45
Deutsche Bank
Germany
$60K -$20.3K -2,509 -25%
SG Americas Securities
46
SG Americas Securities
New York
$58K +$58K +7,116 New
Barclays
47
Barclays
United Kingdom
$56K -$49.5K -6,035 -47%
GF
48
Gabelli Funds
New York
$55K – – –
New York State Common Retirement Fund
49
New York State Common Retirement Fund
New York
$53K – – –
Wolverine Trading
50
Wolverine Trading
Illinois
$53K +$7.4K +1,003 +16%
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