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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

69 hedge funds and large institutions have $184M invested in Marinus Pharmaceuticals, Inc in 2022 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 20 increasing their positions, 16 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

218% more call options, than puts

Call options by funds: $4.72M | Put options by funds: $1.49M

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

33% more capital invested

Capital invested by funds: $139M → $184M (+$45.6M)

25% more repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 16

5% less funds holding

Funds holding: 7369 (-4)

25% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 16

Holders
69
Holders Change
-4
Holders Change %
-5.48%
% of All Funds
1.19%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
12
Increased
20
Reduced
16
Closed
16
Calls
$4.72M
Puts
$1.49M
Net Calls
+$3.24M
Net Calls Change
+$3.69M
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
76
Jane Street
New York
-$68K -14,078 Closed
CG
77
Cutler Group
California
-$64K -13,259 Closed
VRM
78
Vectors Research Management
New York
-$10K -2,000 Closed
New York State Common Retirement Fund
79
New York State Common Retirement Fund
New York
-$1K -260 Closed
Royal Bank of Canada
80
Royal Bank of Canada
Ontario, Canada
+$31 +5 +11%

MRNS Hedge Fund Activity: Q3 2022 in Review

69 of the 5,805 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q3 2022, worth a combined $184M — up 33% from $139M a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of MRNS and 12 opened new positions — a net loss of 4 holders — while 16 trimmed existing stakes and 20 added.

The largest buyer was Woodline Partners, opening a new position worth an estimated $8.42M. The largest seller was 683 Capital Management, cutting an estimated $5.69M.

  • 69 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q3 2022, down from 73 in Q2 2022.
  • Funds reported $184M of Marinus Pharmaceuticals, Inc stock for Q3 2022, up 33% quarter-over-quarter.
  • 12 funds opened new Marinus Pharmaceuticals, Inc positions in Q3 2022 and 16 closed out, a net change of -4 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q3 2022 was Woodline Partners, an estimated $8.42M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q3 2022 was 683 Capital Management, an estimated $5.69M sold.

Based on aggregated 13F filings for Q3 2022.