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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
PAI
76
Palo Alto Investors
California
-$208K -31,330 Closed
GCP
77
GSA Capital Partners
United Kingdom
-$205K -30,856 Closed
Walleye Trading
78
Walleye Trading
New York
-$117K -17,669 Closed
LP
79
LMR Partners
United Kingdom
-$117K -17,565 Closed
DU
80
Delphia (USA)
Ontario, Canada
-$86K -12,973 Closed
CC
81
Corton Capital
Ontario, Canada
-$85K -12,736 Closed
CI Investments Inc
82
CI Investments Inc
Ontario, Canada
-$17K -2,500 Closed
QT
83
Quantbot Technologies
New York
-$11K -1,800 Closed
AA
84
Ancora Advisors
Ohio
-$3K -400 Closed
BNP Paribas Financial Markets
85
BNP Paribas Financial Markets
France
-$858 -129 Closed
Royal Bank of Canada
86
Royal Bank of Canada
Ontario, Canada
+$20 +4 +8%

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.