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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
T. Rowe Price Associates
51
T. Rowe Price Associates
Maryland
$92K +$36.9K +7,500 +48%
Bank of New York Mellon
52
Bank of New York Mellon
New York
$76.1K -$1.79K -365 -2%
Barclays
53
Barclays
United Kingdom
$72.3K +$78.3K +15,937 +719%
LIP
54
Lighthouse Investment Partners
Florida
$67.4K +$83.2K +16,928 New
JF
55
Jump Financial
Illinois
$55.2K +$68.2K +13,874 New
Jane Street
56
Jane Street
New York
$46.5K +$57.5K +11,694 New
MFS
57
Mirabella Financial Services
United Kingdom
$43.5K +$53.7K +10,920 New
Parallax Volatility Advisers
58
Parallax Volatility Advisers
California
$41K -$249K -50,577 -83%
TI
59
Trexquant Investment
Connecticut
$40.6K +$50.2K +10,213 New
ACM
60
Aquatic Capital Management
Illinois
$33K +$40.3K +8,200 New
Acadian Asset Management
61
Acadian Asset Management
Massachusetts
$28K +$34.6K +7,041 New
Group One Trading
62
Group One Trading
Illinois
$10K -$46.2K -9,393 -79%
Zurich Cantonal Bank
63
Zurich Cantonal Bank
Switzerland
$9.26K
JP Morgan Chase
64
JP Morgan Chase
New York
$2K -$9.54K -1,940 -76%
Osaic Holdings
65
Osaic Holdings
Arizona
$2K
CUAMC
66
China Universal Asset Management Company
China
$1.93K +$669 +136 +39%
CWC
67
Carolinas Wealth Consulting
North Carolina
$1.68K
CSS
68
Cubist Systematic Strategies
Connecticut
$1.42K +$1.75K +356 New
Wells Fargo
69
Wells Fargo
California
$1.18K +$349 +71 +32%
Fidelity Investments
70
Fidelity Investments
Massachusetts
$888 -$1.23M -250,644 -100%
HIA
71
Harbor Investment Advisory
Maryland
$147
Dimensional Fund Advisors
72
Dimensional Fund Advisors
Texas
$128 +$158K +32,089 New
GPCM
73
Granite Point Capital Management
Massachusetts
-$3.14M -472,056 Closed
AG
74
Artal Group
Luxembourg
-$1.04M -157,000 Closed
E
75
Ergoteles
New York
-$1M -150,334 Closed

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.