We are live on ! Find out more
MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

24 hedge funds and large institutions have $10.3M invested in Marinus Pharmaceuticals, Inc in 2017 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 9 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

11% less funds holding

Funds holding: 2724 (-3)

21% less capital invested

Capital invested by funds: $13M → $10.3M (-$2.7M)

38% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 8

67% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 9

Holders
24
Holders Change
-3
Holders Change %
-11.11%
% of All Funds
0.6%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
5
Increased
3
Reduced
9
Closed
8
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Franklin Resources
1
Franklin Resources
California
$2.99M
SFM
2
Sphera Funds Management
Israel
$1.82M
Jennison Associates
3
Jennison Associates
New York
$1.11M +$570K +105,400 +108%
GPCM
4
Granite Point Capital Management
Massachusetts
$1.05M -$11.6K -2,138 -1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$800K -$94.6K -17,499 -11%
O
6
OrbiMed
New York
$778K
NC
7
Nexthera Capital
New York
$685K -$405K -75,000 -38%
JGC
8
J. Goldman & Co
New York
$533K +$526K +97,322 New
BlackRock
9
BlackRock
New York
$228K -$92.5K -17,106 -29%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$74K -$2.62K -485 -3%
ARTA
11
A.R.T. Advisors
New York
$66K +$17.5K +3,240 +36%
BFM
12
Boothbay Fund Management
New York
$43K
Northern Trust
13
Northern Trust
Illinois
$29K
Citadel Advisors
14
Citadel Advisors
Florida
$16K -$32.2K -5,953 -66%
SAMH
15
Shanda Asset Management Holdings
British Virgin Islands
$14K
TRCT
16
Tower Research Capital (TRC)
New York
$7K +$5.26K +973 +298%
CBT
17
Capital Bank & Trust
California
$6K +$5.57K +1,030 New
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$6K +$5.85K +1,082 New
PAM
19
Panagora Asset Management
Massachusetts
$5K -$70.8K -13,100 -94%
UBS Group
20
UBS Group
Switzerland
$4K -$10.9K -2,019 -76%
Creative Planning
21
Creative Planning
Kansas
$1K
Morgan Stanley
22
Morgan Stanley
New York
$1K +$670 +124 New
VKH
23
Virtu KCG Holdings
New York
-$114K -16,135 Closed
BCM
24
Bridgeway Capital Management
Texas
-$53K -7,500 Closed
Bank of New York Mellon
25
Bank of New York Mellon
New York
-$36K -5,057 Closed

MRNS Hedge Fund Activity: Q2 2017 in Review

24 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q2 2017, worth a combined $10.3M — down 21% from $13M a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of MRNS and 5 opened new positions — a net loss of 3 holders — while 9 trimmed existing stakes and 3 added.

The largest buyer was Jennison Associates, adding an estimated $570K. The largest seller was Nexthera Capital, cutting an estimated $405K.

  • 24 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q2 2017, down from 27 in Q1 2017.
  • Funds reported $10.3M of Marinus Pharmaceuticals, Inc stock for Q2 2017, down 21% quarter-over-quarter.
  • 5 funds opened new Marinus Pharmaceuticals, Inc positions in Q2 2017 and 8 closed out, a net change of -3 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q2 2017 was Jennison Associates, an estimated $570K added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q2 2017 was Nexthera Capital, an estimated $405K sold.

Based on aggregated 13F filings for Q2 2017.