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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

77 hedge funds and large institutions have $140M invested in Marinus Pharmaceuticals, Inc in 2019 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 29 increasing their positions, 20 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

45% more repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 20

23% more call options, than puts

Call options by funds: $8.31M | Put options by funds: $6.77M

1% more capital invested

Capital invested by funds: $139M → $140M (+$1.06M)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

5% less funds holding

Funds holding: 8177 (-4)

13% less first-time investments, than exits

New positions opened: 7 | Existing positions closed: 8

Holders
77
Holders Change
-4
Holders Change %
-4.94%
% of All Funds
1.67%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
7
Increased
29
Reduced
20
Closed
8
Calls
$8.31M
Puts
$6.77M
Net Calls
+$1.54M
Net Calls Change
+$1.64M
Name Holding Trade Value Shares
Change
Change in
Stake
PAI
26
Palo Alto Investors
California
$520K +$48.2K +2,775 +10%
Group One Trading
27
Group One Trading
Illinois
$504K -$883K -50,828 -63%
CM
28
Caption Management
Oklahoma
$436K -$195K -11,250 -30%
SFM
29
Sphera Funds Management
Israel
$332K +$347K +20,000 New
Parallax Volatility Advisers
30
Parallax Volatility Advisers
California
$321K -$40.4K -2,325 -11%
California State Teachers Retirement System (CalSTRS)
31
California State Teachers Retirement System (CalSTRS)
California
$321K +$18K +1,037 +6%
UBS Group
32
UBS Group
Switzerland
$318K +$16.8K +969 +5%
Simplex Trading
33
Simplex Trading
Illinois
$281K -$809K -46,594 -73%
EGM
34
Engineers Gate Manager
New York
$277K -$173K -9,971 -37%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$270K +$40.3K +2,320 +17%
Wells Fargo
36
Wells Fargo
California
$218K +$152K +8,768 +200%
New York State Common Retirement Fund
37
New York State Common Retirement Fund
New York
$214K +$112K +6,450 +100%
State of Wisconsin Investment Board
38
State of Wisconsin Investment Board
Wisconsin
$209K +$4.78K +275 +2%
Two Sigma Advisers
39
Two Sigma Advisers
New York
$199K -$24.3K -1,400 -10%
Deutsche Bank
40
Deutsche Bank
Germany
$165K -$176K -10,144 -50%
Manulife (Manufacturers Life Insurance)
41
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$144K +$5.73K +330 +4%
B
42
Bailard
California
$137K
Barclays
43
Barclays
United Kingdom
$134K +$82.6K +4,754 +143%
AIG
44
American International Group
New York
$132K +$7.87K +453 +6%
Bank of America
45
Bank of America
North Carolina
$118K +$27.5K +1,584 +29%
ARTA
46
A.R.T. Advisors
New York
$117K -$101K -5,837 -45%
GF
47
Gabelli Funds
New York
$112K
AllianceBernstein
48
AllianceBernstein
Tennessee
$104K +$39.1K +2,250 +56%
VOYA Investment Management
49
VOYA Investment Management
Georgia
$87K +$17.5K +1,010 +24%
Wolverine Trading
50
Wolverine Trading
Illinois
$83K -$40.6K -2,336 -32%

MRNS Hedge Fund Activity: Q2 2019 in Review

77 of the 4,604 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q2 2019, worth a combined $140M — up 0.76% from $139M a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of MRNS and 7 opened new positions — a net loss of 1 holder — while 20 trimmed existing stakes and 29 added.

The largest buyer was Alyeska Investment Group, opening a new position worth an estimated $4.35M. The largest seller was Tekla Capital Management, exiting entirely with an estimated $1.37M sold.

  • 77 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q2 2019, down from 81 in Q1 2019.
  • Funds reported $140M of Marinus Pharmaceuticals, Inc stock for Q2 2019, up 0.76% quarter-over-quarter.
  • 7 funds opened new Marinus Pharmaceuticals, Inc positions in Q2 2019 and 8 closed out, a net change of -1 holder.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q2 2019 was Alyeska Investment Group, an estimated $4.35M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q2 2019 was Tekla Capital Management, an estimated $1.37M sold.

Based on aggregated 13F filings for Q2 2019.