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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

75 hedge funds and large institutions have $72.9M invested in Marinus Pharmaceuticals, Inc in 2024 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 20 increasing their positions, 28 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

176% more call options, than puts

Call options by funds: $398K | Put options by funds: $144K

44% more capital invested

Capital invested by funds: $50.6M → $72.9M (+$22.2M)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

17% less funds holding

Funds holding: 9075 (-15)

29% less repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 28

60% less first-time investments, than exits

New positions opened: 10 | Existing positions closed: 25

Holders
75
Holders Change
-15
Holders Change %
-16.67%
% of All Funds
1.08%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
10
Increased
20
Reduced
28
Closed
25
Calls
$398K
Puts
$144K
Net Calls
+$254K
Net Calls Change
-$65K
Name Holding Trade Value Shares
Change
Change in
Stake
AI
51
Atria Investments
North Carolina
$23.4K +$18.6K +13,310 New
XT
52
XTX Topco
Cayman Islands
$23.2K -$258K -184,735 -93%
Commonwealth Equity Services
53
Commonwealth Equity Services
Massachusetts
$22K +$1.38K +985 +8%
Group One Trading
54
Group One Trading
Illinois
$20.6K +$5.71K +4,091 +54%
Osaic Holdings
55
Osaic Holdings
Arizona
$19.4K -$6.7K -4,800 -30%
PWP
56
Perfromance Wealth Partners
Illinois
$19.4K +$15.4K +11,000 New
CFM
57
Catalyst Funds Management
Australia
$19K
CUAMC
58
China Universal Asset Management Company
China
$18.6K +$5.78K +4,139 +64%
Balyasny Asset Management
59
Balyasny Asset Management
Illinois
$17.6K +$14K +10,006 New
Fidelity Investments
60
Fidelity Investments
Massachusetts
$11.9K -$5.52K -3,953 -37%
Federated Hermes
61
Federated Hermes
Pennsylvania
$6.58K -$2.91K -2,086 -36%
Russell Investments Group
62
Russell Investments Group
United Kingdom
$4.53K -$2.67K -1,915 -43%
UBS Group
63
UBS Group
Switzerland
$3.97K -$23.4K -16,787 -88%
Mirae Asset Global Investments
64
Mirae Asset Global Investments
South Korea
$3.67K +$491 +352 +21%
Wells Fargo
65
Wells Fargo
California
$3.17K +$2.51K +1,800 New
Zurich Cantonal Bank
66
Zurich Cantonal Bank
Switzerland
$2.92K -$38 -27 -2%
Citigroup
67
Citigroup
New York
$2.3K -$77.1K -55,262 -98%
1IA
68
1620 Investment Advisors
Massachusetts
$1.76K
PS
69
Principal Securities
Iowa
$804
MIM
70
Macroview Investment Management
Maryland
$618
Barclays
71
Barclays
United Kingdom
$531 -$50.4K -36,097 -99%
Fifth Third Bancorp
72
Fifth Third Bancorp
Ohio
$202
FFA
73
Farther Finance Advisors
California
$144
PD
74
Point72 (DIFC)
United Arab Emirates
$49 -$33K -23,670 -100%
Jennison Associates
75
Jennison Associates
New York
-$1.72M -1,469,285 Closed

MRNS Hedge Fund Activity: Q3 2024 in Review

75 of the 6,964 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q3 2024, worth a combined $72.9M — up 44% from $50.6M a quarter earlier.

Sellers outnumbered buyers: 25 funds closed out of MRNS and 10 opened new positions — a net loss of 15 holders — while 28 trimmed existing stakes and 20 added.

The largest buyer was Aberdeen Group, adding an estimated $2.2M. The largest seller was Woodline Partners, cutting an estimated $3.79M.

  • 75 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q3 2024, down from 90 in Q2 2024.
  • Funds reported $72.9M of Marinus Pharmaceuticals, Inc stock for Q3 2024, up 44% quarter-over-quarter.
  • 10 funds opened new Marinus Pharmaceuticals, Inc positions in Q3 2024 and 25 closed out, a net change of -15 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q3 2024 was Aberdeen Group, an estimated $2.2M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q3 2024 was Woodline Partners, an estimated $3.79M sold.

Based on aggregated 13F filings for Q3 2024.