MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

Back to rankings

96 hedge funds and large institutions have $279M invested in Marinus Pharmaceuticals, Inc in 2018 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 23 increasing their positions, 19 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
96
Holders Change
+23
Holders Change %
+31.51%
% of All Funds
2.2%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
33
Increased
23
Reduced
19
Closed
10
Calls
$18.3M
Puts
$8.28M
Net Calls
+$10M
Net Calls Change
+$7.93M

Top Buyers

1
PHS
PFM Health Sciences
California
$17.7M
2
CS
Credit Suisse
Switzerland
$10.3M
3
Goldman Sachs
Goldman Sachs
New York
$5.03M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.09M
5
TCM
Tekla Capital Management
Massachusetts
$3.36M

Top Sellers

1
GPCM
Granite Point Capital Management
Massachusetts
$10.6M
2
Jennison Associates
Jennison Associates
New York
$19M
3
MWNA
Marshall Wace North America
New York
$0
4
CAM
Cormorant Asset Management
Massachusetts
$3M
5
HT
HAP Trading
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Manulife (Manufacturers Life Insurance)
51
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$261K -$37.3K -934 -13%
New York State Common Retirement Fund
52
New York State Common Retirement Fund
New York
$258K – – –
Simplex Trading
53
Simplex Trading
Illinois
$252K +$252K +6,311 New
AIG
54
American International Group
New York
$242K +$4.33K +108 +2%
SAM
55
Silphium Asset Management
United Kingdom
$231K -$51.5K -1,288 -18%
ProShare Advisors
56
ProShare Advisors
Maryland
$210K -$8.45K -211 -4%
CC
57
Caxton Corporation
New Jersey
$202K +$70.8K +1,769 +54%
MIM
58
MetLife Investment Management
New Jersey
$187K +$187K +4,669 New
CI
59
Cowen Inc
New York
$186K +$186K +4,650 New
Bank of America
60
Bank of America
North Carolina
$183K +$113K +2,822 +161%
Wells Fargo
61
Wells Fargo
California
$178K +$133K +3,324 +298%
Invesco
62
Invesco
Georgia
$176K -$10.3K -256 -6%
SAM
63
Sectoral Asset Management
Quebec, Canada
$168K +$168K +4,200 New
TD Asset Management
64
TD Asset Management
Ontario, Canada
$168K +$168K +4,200 New
PPA
65
Parametric Portfolio Associates
Washington
$144K +$144K +3,601 New
VOYA Investment Management
66
VOYA Investment Management
Georgia
$137K – – –
MLICM
67
Metropolitan Life Insurance Company (MetLife)
New York
$135K +$135K +3,382 New
SPC
68
Sigma Planning Corp
Michigan
$113K +$113K +2,813 New
TAM
69
Tiverton Asset Management
Delaware
$113K +$113K +2,813 New
PIM
70
Partner Investment Management
California
$112K +$112K +2,797 New
ACH
71
ArrowMark Colorado Holdings
Colorado
$107K – – –
SAMH
72
Shanda Asset Management Holdings
British Virgin Islands
$100K – – –
Citigroup
73
Citigroup
New York
$89K +$48.4K +1,209 +119%
KBC Group
74
KBC Group
Belgium
$79K – – –
CSS
75
Cubist Systematic Strategies
Connecticut
$76K -$51.6K -1,282 -40%
1 2
3
4 5