We are live on ! Find out more
MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

27 hedge funds and large institutions have $13M invested in Marinus Pharmaceuticals, Inc in 2017 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 4 increasing their positions, 5 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

233% more first-time investments, than exits

New positions opened: 10 | Existing positions closed: 3

165% more capital invested

Capital invested by funds: $4.9M → $13M (+$8.07M)

17% more funds holding

Funds holding: 2327 (+4)

20% less repeat investments, than reductions

Existing positions increased: 4 | Existing positions reduced: 5

Holders
27
Holders Change
+4
Holders Change %
+17.39%
% of All Funds
0.67%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
10
Increased
4
Reduced
5
Closed
3
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Franklin Resources
1
Franklin Resources
California
$3.86M
SFM
2
Sphera Funds Management
Israel
$2.36M -$12.3K -2,292 -0.7%
NC
3
Nexthera Capital
New York
$1.42M +$1.07M +200,000 New
GPCM
4
Granite Point Capital Management
Massachusetts
$1.37M +$1.04M +193,750 New
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.16M +$627K +116,708 +250%
O
6
OrbiMed
New York
$1M
Jennison Associates
7
Jennison Associates
New York
$690K +$524K +97,516 New
BlackRock
8
BlackRock
New York
$416K +$316K +58,728 New
VKH
9
Virtu KCG Holdings
New York
$114K +$19.7K +3,673 +29%
PAM
10
Panagora Asset Management
Massachusetts
$99K
Geode Capital Management
11
Geode Capital Management
Massachusetts
$99K +$355 +66 +0.5%
Citadel Advisors
12
Citadel Advisors
Florida
$64K +$48.1K +8,956 New
ARTA
13
A.R.T. Advisors
New York
$63K +$25.4K +4,717 +112%
BFM
14
Boothbay Fund Management
New York
$56K -$63.4K -11,800 -60%
BCM
15
Bridgeway Capital Management
Texas
$53K
Northern Trust
16
Northern Trust
Illinois
$38K
Bank of New York Mellon
17
Bank of New York Mellon
New York
$36K +$27.2K +5,057 New
TDC
18
Thompson Davis & Co
Virginia
$23K +$17.5K +3,250 New
UBS Group
19
UBS Group
Switzerland
$19K -$12K -2,233 -46%
SAMH
20
Shanda Asset Management Holdings
British Virgin Islands
$18K
CGT
21
Capital Guardian Trust
California
$7K
AIM
22
Acrospire Investment Management
Illinois
$3K -$17K -3,157 -88%
TRCT
23
Tower Research Capital (TRC)
New York
$2K +$1.76K +327 New
Creative Planning
24
Creative Planning
Kansas
$1K -$67.9K -12,625 -99%
Squarepoint
25
Squarepoint
New York
-$13K -3,250 Closed

MRNS Hedge Fund Activity: Q1 2017 in Review

27 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q1 2017, worth a combined $13M — up 165% from $4.9M a quarter earlier.

Buyers outnumbered sellers: 10 funds opened new MRNS positions and 3 closed out — a net gain of 7 holders — while 4 added to existing stakes and 5 trimmed.

The largest buyer was Nexthera Capital, opening a new position worth an estimated $1.07M. The largest seller was Creative Planning, cutting an estimated $67.9K.

  • 27 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q1 2017, up from 23 in Q4 2016.
  • Funds reported $13M of Marinus Pharmaceuticals, Inc stock for Q1 2017, up 165% quarter-over-quarter.
  • 10 funds opened new Marinus Pharmaceuticals, Inc positions in Q1 2017 and 3 closed out, a net change of +7 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q1 2017 was Nexthera Capital, an estimated $1.07M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q1 2017 was Creative Planning, an estimated $67.9K sold.

Based on aggregated 13F filings for Q1 2017.