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 %
VA
1
VR Adviser
New York
$13.2M +$13.2M +1,625,710 New
LPC
2
Lion Point Capital
New York
$12.9M – – –
ACA
3
Avoro Capital Advisors
New York
$12.6M – – –
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$12.1M – – –
BlackRock
5
BlackRock
New York
$10.5M +$3.12M +384,219 +42%
BC
6
Boxer Capital
California
$9.74M – – –
Adage Capital Partners
7
Adage Capital Partners
Massachusetts
$9.74M – – –
Vanguard Group
8
Vanguard Group
Pennsylvania
$7.51M +$399K +49,083 +6%
Alyeska Investment Group
9
Alyeska Investment Group
Illinois
$4.58M +$108K +13,277 +2%
JG
10
Jefferies Group
New York
$3.84M +$3.84M +473,025 New
GPCM
11
Granite Point Capital Management
Massachusetts
$3.84M -$1.65M -202,725 -30%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$3.01M +$2M +245,717 +198%
WG
13
Winton Group
United Kingdom
$2.69M +$1.09M +133,608 +67%
BL
14
Bleichroeder LP
New York
$2.54M +$2.54M +312,500 New
State Street
15
State Street
Massachusetts
$2.47M +$613K +75,447 +33%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$2.31M +$891K +109,778 +63%
ACP
17
Acuta Capital Partners
California
$2.11M +$2.11M +259,500 New
IM
18
Islet Management
New York
$2.03M +$254K +31,250 +14%
Northern Trust
19
Northern Trust
Illinois
$1.9M +$816K +100,531 +75%
6CM
20
683 Capital Management
New York
$1.88M – – –
ACM
21
Asymmetry Capital Management
California
$1.74M +$1.02M +125,117 +141%
Nuveen Asset Management
22
Nuveen Asset Management
Illinois
$1.24M +$448K +55,116 +56%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$937K +$13.7K +1,689 +1%
BCM
24
Bridgeway Capital Management
Texas
$566K -$195K -23,950 -26%
Two Sigma Investments
25
Two Sigma Investments
New York
$532K +$234K +28,879 +79%
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