MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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38 hedge funds and large institutions have $76.3M invested in Marinus Pharmaceuticals, Inc in 2015 Q4 according to their latest regulatory filings, with 10 funds opening new positions, 13 increasing their positions, 7 reducing their positions, and 10 closing their positions.

Holders
38
Holders Change
–
Holders Change %
0%
% of All Funds
1%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
10
Increased
13
Reduced
7
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
O
1
OrbiMed
New York
$7.37M
2
Franklin Resources
2
Franklin Resources
California
$14.5M
3
ACH
3
ArrowMark Colorado Holdings
Colorado
$6.48M
4
DCM
4
DAFNA Capital Management
California
$4.33M
5
SFM
5
Sphera Funds Management
Israel
$4.36M

Top Sellers

1
AIC
1
AWM Investment Company
New York
$0
2
Goldman Sachs
2
Goldman Sachs
New York
$0
3
IHM
3
Iguana Healthcare Management
New York
$0
4
Morgan Stanley
4
Morgan Stanley
New York
$2K
5
CS
5
Credit Suisse
Switzerland
$280K
Name Market Value Shares Shares
Change 		Shares
Change %
CPV
1
Canaan Partners VII
Connecticut
$18.8M 2,461,399 – –
Franklin Resources
2
Franklin Resources
California
$14.5M 1,902,285 +811,700 +74%
O
3
OrbiMed
New York
$7.37M 965,000 +965,000 New
ACH
4
ArrowMark Colorado Holdings
Colorado
$6.48M 848,236 +575,535 +211%
NLVP
5
New Leaf Venture Partners
New York
$5.38M 704,572 – –
SFM
6
Sphera Funds Management
Israel
$4.36M 570,908 +408,788 +252%
DCM
7
DAFNA Capital Management
California
$4.33M 566,498 +544,179 +2,438%
EAM
8
EverPoint Asset Management
Connecticut
$2.48M 325,000 +325,000 New
PI
9
Putnam Investments
Massachusetts
$2.29M 300,000 – –
Point72 Asset Management
10
Point72 Asset Management
Connecticut
$1.56M 204,755 -27,140 -12%
BBA
11
Baker Bros. Advisors
New York
$1.53M 200,000 – –
EA
12
Emerald Advisers
Pennsylvania
$1.48M 193,228 +4,706 +2%
Vanguard Group
13
Vanguard Group
Pennsylvania
$1.41M 184,321 +128,801 +232%
Allianz Asset Management
14
Allianz Asset Management
Germany
$592K 77,423 -3,984 -5%
PAI
15
Palo Alto Investors
California
$451K 59,017 – –
Geode Capital Management
16
Geode Capital Management
Massachusetts
$397K 51,968 +14,187 +38%
BCM
17
Bridgeway Capital Management
Texas
$386K 50,500 +8,000 +19%
BIT
18
BlackRock Institutional Trust
California
$359K 46,972 +42,053 +855%
CS
19
Credit Suisse
Switzerland
$280K 36,695 -62,320 -63%
BA
20
BlackRock Advisors
Delaware
$249K 32,627 +32,627 New
UOC
21
UBS O'Connor
Illinois
$248K 32,500 +32,500 New
NC
22
Nexthera Capital
New York
$191K 25,000 +25,000 New
ARTA
23
A.R.T. Advisors
New York
$190K 24,969 +4,646 +23%
Bank of America
24
Bank of America
North Carolina
$162K 21,180 +21,180 New
Northern Trust
25
Northern Trust
Illinois
$145K 18,920 +18,920 New
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