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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

82 hedge funds and large institutions have $362M invested in Marinus Pharmaceuticals, Inc in 2021 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 20 increasing their positions, 23 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more first-time investments, than exits

New positions opened: 10 | Existing positions closed: 8

3% more funds holding

Funds holding: 8082 (+2)

13% less repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 23

36% less capital invested

Capital invested by funds: $563M → $362M (-$202M)

41% less call options, than puts

Call options by funds: $3.35M | Put options by funds: $5.66M

80% less funds holding in top 10

Funds holding in top 10: 51 (-4)

Holders
82
Holders Change
+2
Holders Change %
+2.5%
% of All Funds
1.43%
Holding in Top 10
1
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-80%
% of All Funds
0.02%
New
10
Increased
20
Reduced
23
Closed
8
Calls
$3.35M
Puts
$5.66M
Net Calls
-$2.31M
Net Calls Change
+$96K

MRNS Hedge Fund Activity: Q3 2021 in Review

82 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q3 2021, worth a combined $362M — down 36% from $563M a quarter earlier.

Buyers outnumbered sellers: 10 funds opened new MRNS positions and 8 closed out — a net gain of 2 holders — while 20 added to existing stakes and 23 trimmed.

The largest buyer was Jefferies Group, adding an estimated $5.84M. The largest seller was Scion Asset Management, exiting entirely with an estimated $11.2M sold.

  • 82 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q3 2021, up from 80 in Q2 2021.
  • Funds reported $362M of Marinus Pharmaceuticals, Inc stock for Q3 2021, down 36% quarter-over-quarter.
  • 10 funds opened new Marinus Pharmaceuticals, Inc positions in Q3 2021 and 8 closed out, a net change of +2 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q3 2021 was Jefferies Group, an estimated $5.84M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q3 2021 was Scion Asset Management, an estimated $11.2M sold.

Based on aggregated 13F filings for Q3 2021.