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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

112 hedge funds and large institutions have $486M invested in Marinus Pharmaceuticals, Inc in 2024 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 38 increasing their positions, 36 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

62% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 13

7% more funds holding

Funds holding: 105112 (+7)

6% more repeat investments, than reductions

Existing positions increased: 38 | Existing positions reduced: 36

18% less capital invested

Capital invested by funds: $592M → $486M (-$105M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

45% less call options, than puts

Call options by funds: $14.8M | Put options by funds: $27M

Holders
112
Holders Change
+7
Holders Change %
+6.67%
% of All Funds
1.61%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
21
Increased
38
Reduced
36
Closed
13
Calls
$14.8M
Puts
$27M
Net Calls
-$12.2M
Net Calls Change
-$24.3M
Name Holding Trade Value Shares
Change
Change in
Stake
SCM
1
Suvretta Capital Management
New York
$46.2M -$2.31M -237,599 -4%
BlackRock
2
BlackRock
New York
$42.7M +$1.18M +121,283 +3%
ACA
3
Avoro Capital Advisors
New York
$37.4M +$9.63M +990,607 +31%
Franklin Resources
4
Franklin Resources
California
$31.6M -$3.31M -340,702 -9%
CAM
5
Cormorant Asset Management
Massachusetts
$29.4M
Jennison Associates
6
Jennison Associates
New York
$26.8M +$65.3K +6,722 +0.2%
Vanguard Group
7
Vanguard Group
Pennsylvania
$25.4M +$1.29M +132,689 +5%
EAM
8
Eventide Asset Management
Massachusetts
$21.2M -$21.2M -2,183,471 -48%
Adage Capital Partners
9
Adage Capital Partners
Massachusetts
$21.1M -$2.43M -250,000 -10%
LPC
10
Lion Point Capital
New York
$19.2M -$148K -15,201 -0.7%
BL
11
Bleichroeder LP
New York
$16.9M
GC
12
GMT Capital
Georgia
$14.7M -$907K -93,331 -5%
SI
13
Sofinnova Investments
California
$12.7M -$3.61M -371,646 -21%
BCLSI
14
Bain Capital Life Sciences Investors
Massachusetts
$12.6M -$366K -37,678 -3%
Citadel Advisors
15
Citadel Advisors
Florida
$11.2M +$6.29M +647,444 +109%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$11M +$732K +75,272 +7%
WP
17
Woodline Partners
California
$10.7M +$3.76M +386,781 +48%
State Street
18
State Street
Massachusetts
$10.7M +$1.71M +175,837 +17%
Balyasny Asset Management
19
Balyasny Asset Management
Illinois
$7.68M +$8.26M +849,447 New
SCM
20
Superstring Capital Management
New York
$5.11M +$1M +103,106 +22%
Aberdeen Group
21
Aberdeen Group
United Kingdom
$5M
IC
22
Ikarian Capital
Texas
$4.86M -$2.02M -208,144 -28%
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$4.44M -$17.3K -1,783 -0.4%
Northern Trust
24
Northern Trust
Illinois
$4.25M +$102K +10,513 +2%
Morgan Stanley
25
Morgan Stanley
New York
$3.69M -$7.38M -759,527 -65%

MRNS Hedge Fund Activity: Q1 2024 in Review

112 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q1 2024, worth a combined $486M — down 18% from $592M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new MRNS positions and 13 closed out — a net gain of 8 holders — while 38 added to existing stakes and 36 trimmed.

The largest buyer was Avoro Capital Advisors, adding an estimated $9.63M. The largest seller was Eventide Asset Management, cutting an estimated $21.2M.

  • 112 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q1 2024, up from 105 in Q4 2023.
  • Funds reported $486M of Marinus Pharmaceuticals, Inc stock for Q1 2024, down 18% quarter-over-quarter.
  • 21 funds opened new Marinus Pharmaceuticals, Inc positions in Q1 2024 and 13 closed out, a net change of +8 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q1 2024 was Avoro Capital Advisors, an estimated $9.63M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q1 2024 was Eventide Asset Management, an estimated $21.2M sold.

Based on aggregated 13F filings for Q1 2024.