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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

31 hedge funds and large institutions have $52.2M invested in Marinus Pharmaceuticals, Inc in 2016 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 8 increasing their positions, 6 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

33% more repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 6

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

18% less funds holding

Funds holding: 3831 (-7)

32% less capital invested

Capital invested by funds: $76.3M → $52.2M (-$24M)

54% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 13

Holders
31
Holders Change
-7
Holders Change %
-18.42%
% of All Funds
0.83%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.08%
New
6
Increased
8
Reduced
6
Closed
13
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CPV
1
Canaan Partners VII
Connecticut
$13.2M
Franklin Resources
2
Franklin Resources
California
$11.7M +$1.48M +69,975 +15%
O
3
OrbiMed
New York
$5.19M
ACH
4
ArrowMark Colorado Holdings
Colorado
$4.62M +$56.8K +2,681 +1%
NLVP
5
New Leaf Venture Partners
New York
$3.79M
SFM
6
Sphera Funds Management
Israel
$3.07M
DCM
7
DAFNA Capital Management
California
$3.05M
EAM
8
EverPoint Asset Management
Connecticut
$1.75M
PI
9
Putnam Investments
Massachusetts
$1.61M
Vanguard Group
10
Vanguard Group
Pennsylvania
$1.48M +$484K +22,861 +50%
Allianz Asset Management
11
Allianz Asset Management
Germany
$394K -$22.2K -1,047 -5%
PPA
12
Parametric Portfolio Associates
Washington
$372K +$366K +17,275 New
PAI
13
Palo Alto Investors
California
$318K
UOC
14
UBS O'Connor
Illinois
$298K +$121K +5,725 +70%
BCM
15
Bridgeway Capital Management
Texas
$272K
BIT
16
BlackRock Institutional Trust
California
$215K -$37.1K -1,753 -15%
BA
17
BlackRock Advisors
Delaware
$172K -$3.18K -150 -2%
Bank of America
18
Bank of America
North Carolina
$114K
Northern Trust
19
Northern Trust
Illinois
$114K +$11.6K +547 +12%
UBS Group
20
UBS Group
Switzerland
$113K +$84.4K +3,985 +309%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$89K +$87.6K +4,134 New
BFA
22
BlackRock Fund Advisors
California
$71K -$3.28K -155 -4%
HCM
23
Harvey Capital Management
Florida
$53K -$21.2K -1,000 -29%
JP Morgan Chase
24
JP Morgan Chase
New York
$51K +$50.3K +2,375 New
CGT
25
Capital Guardian Trust
California
$22K

MRNS Hedge Fund Activity: Q1 2016 in Review

31 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q1 2016, worth a combined $52.2M — down 32% from $76.3M a quarter earlier.

Sellers outnumbered buyers: 13 funds closed out of MRNS and 6 opened new positions — a net loss of 7 holders — while 6 trimmed existing stakes and 8 added.

The largest buyer was Franklin Resources, adding an estimated $1.48M. The largest seller was Point72 Asset Management, exiting entirely with an estimated $1.56M sold.

  • 31 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q1 2016, down from 38 in Q4 2015.
  • Funds reported $52.2M of Marinus Pharmaceuticals, Inc stock for Q1 2016, down 32% quarter-over-quarter.
  • 6 funds opened new Marinus Pharmaceuticals, Inc positions in Q1 2016 and 13 closed out, a net change of -7 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q1 2016 was Franklin Resources, an estimated $1.48M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q1 2016 was Point72 Asset Management, an estimated $1.56M sold.

Based on aggregated 13F filings for Q1 2016.