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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

74 hedge funds and large institutions have $166M invested in Marinus Pharmaceuticals, Inc in 2022 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 33 increasing their positions, 11 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

392% more call options, than puts

Call options by funds: $5.33M | Put options by funds: $1.08M

200% more repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 11

46% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 13

7% more funds holding

Funds holding: 6974 (+5)

10% less capital invested

Capital invested by funds: $184M → $166M (-$18.9M)

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

Holders
74
Holders Change
+5
Holders Change %
+7.25%
% of All Funds
1.19%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
19
Increased
33
Reduced
11
Closed
13
Calls
$5.33M
Puts
$1.08M
Net Calls
+$4.24M
Net Calls Change
+$1.01M
Name Holding Trade Value Shares
Change
Change in
Stake
LPC
1
Lion Point Capital
New York
$21.5M +$2.64M +538,026 +15%
SCM
2
Suvretta Capital Management
New York
$19.2M +$6.32M +1,285,295 +36%
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$14M +$17.3M +3,515,000 New
ACA
4
Avoro Capital Advisors
New York
$12.5M
EAM
5
Eventide Asset Management
Massachusetts
$12.5M +$15.5M +3,150,000 New
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$8.17M +$4.01M +815,000 +66%
Vanguard Group
7
Vanguard Group
Pennsylvania
$7.93M +$1.48M +300,719 +18%
BL
8
Bleichroeder LP
New York
$7.45M +$2.7M +550,000 +42%
VA
9
VR Adviser
New York
$7.05M -$6.81M -1,386,098 -44%
AC
10
Antara Capital
New York
$6.76M +$3.45M +702,000 +70%
WP
11
Woodline Partners
California
$6.25M +$999K +203,269 +15%
BCLSI
12
Bain Capital Life Sciences Investors
Massachusetts
$5.7M
Millennium Management
13
Millennium Management
New York
$4.31M +$4.29M +872,782 +416%
BlackRock
14
BlackRock
New York
$4.29M +$584K +118,752 +12%
Walleye Capital
15
Walleye Capital
New York
$3.35M +$2.72M +554,074 +193%
OM
16
Opaleye Management
Massachusetts
$3.29M +$4.06M +826,200 New
JFG
17
Jefferies Financial Group
New York
$1.97M +$2.43M +494,764 New
Assenagon Asset Management
18
Assenagon Asset Management
Luxembourg
$1.79M -$383K -77,977 -15%
Franklin Resources
19
Franklin Resources
California
$1.74M
Bank of Montreal
20
Bank of Montreal
Ontario, Canada
$1.68M +$338K +68,700 +20%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$1.66M +$406K +82,573 +25%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$1.46M +$1.62M +329,660 +893%
Citadel Advisors
23
Citadel Advisors
Florida
$1.4M +$593K +120,625 +52%
RCMNY
24
Rubric Capital Management (New York)
New York
$1.25M
IM
25
Islet Management
New York
$796K +$983K +200,000 New

MRNS Hedge Fund Activity: Q4 2022 in Review

74 of the 6,221 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q4 2022, worth a combined $166M — down 10% from $184M a quarter earlier.

Buyers outnumbered sellers: 19 funds opened new MRNS positions and 13 closed out — a net gain of 6 holders — while 33 added to existing stakes and 11 trimmed.

The largest buyer was Point72 Asset Management, opening a new position worth an estimated $17.3M. The largest seller was VR Adviser, cutting an estimated $6.81M.

  • 74 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q4 2022, up from 69 in Q3 2022.
  • Funds reported $166M of Marinus Pharmaceuticals, Inc stock for Q4 2022, down 10% quarter-over-quarter.
  • 19 funds opened new Marinus Pharmaceuticals, Inc positions in Q4 2022 and 13 closed out, a net change of +6 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q4 2022 was Point72 Asset Management, an estimated $17.3M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q4 2022 was VR Adviser, an estimated $6.81M sold.

Based on aggregated 13F filings for Q4 2022.