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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
Citigroup
76
Citigroup
New York
$124K +$53.7K +5,525 +67%
ProShare Advisors
77
ProShare Advisors
Maryland
$124K +$17.3K +1,782 +15%
DA
78
Denali Advisors
California
$123K
Ameriprise
79
Ameriprise
Minnesota
$116K +$124K +12,781 New
Parallax Volatility Advisers
80
Parallax Volatility Advisers
California
$115K +$123K +12,700 New
Wolverine Trading
81
Wolverine Trading
Illinois
$101K +$109K +11,165 New
FRM
82
Fox Run Management
Connecticut
$96.4K +$104K +10,663 New
CUAMC
83
China Universal Asset Management Company
China
$94.5K +$40.4K +4,151 +66%
VFA
84
Values First Advisors
Tennessee
$94.1K -$36.8K -3,783 -27%
HSBC Holdings
85
HSBC Holdings
United Kingdom
$91.9K +$98.8K +10,163 New
Belvedere Trading
86
Belvedere Trading
Illinois
$70.7K -$141K -14,474 -65%
Osaic Holdings
87
Osaic Holdings
Arizona
$54.7K +$2.43K +250 +4%
EC
88
EntryPoint Capital
New York
$50.4K +$54.2K +5,574 New
Legal & General Group
89
Legal & General Group
United Kingdom
$49.9K -$428 -44 -0.8%
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$49.8K -$27.6K -2,841 -34%
AIP
91
Ameritas Investment Partners
Nebraska
$47.5K
Fidelity Investments
92
Fidelity Investments
Massachusetts
$26.4K +$4.66K +479 +20%
Group One Trading
93
Group One Trading
Illinois
$25K +$26.9K +2,765 New
MLICM
94
Metropolitan Life Insurance Company (MetLife)
New York
$24.7K
Royal Bank of Canada
95
Royal Bank of Canada
Ontario, Canada
$21K -$127K -13,076 -85%
Zurich Cantonal Bank
96
Zurich Cantonal Bank
Switzerland
$15.9K -$8.11K -834 -32%
AB
97
Amalgamated Bank
New York
$15K -$52.2K -5,374 -76%
TRCT
98
Tower Research Capital (TRC)
New York
$3.24K -$135K -13,904 -97%
MIM
99
Macroview Investment Management
Maryland
$3.17K -$6.6K -679 -66%
AF
100
Allworth Financial
California
$2.87K +$505 +52 +20%

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.