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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
Renaissance Technologies
26
Renaissance Technologies
New York
$648K -$151K -30,625 -16%
State Street
27
State Street
Massachusetts
$565K +$108K +21,900 +18%
CM
28
Caption Management
Oklahoma
$410K +$506K +103,022 New
Morgan Stanley
29
Morgan Stanley
New York
$403K +$329K +66,925 +195%
TC
30
Tejara Capital
United Kingdom
$381K +$471K +95,828 New
Bank of America
31
Bank of America
North Carolina
$377K +$394K +80,248 +551%
6CM
32
683 Capital Management
New York
$358K -$4.35M -885,000 -91%
Simplex Trading
33
Simplex Trading
Illinois
$334K +$249K +50,663 +152%
Man Group
34
Man Group
United Kingdom
$330K +$69.9K +14,210 +21%
Northern Trust
35
Northern Trust
Illinois
$303K +$93.8K +19,074 +33%
UBS Group
36
UBS Group
Switzerland
$302K -$101K -20,539 -21%
Citigroup
37
Citigroup
New York
$302K +$331K +67,299 +791%
Hudson Bay Capital Management
38
Hudson Bay Capital Management
Connecticut
$287K +$279K +56,763 +372%
Goldman Sachs
39
Goldman Sachs
New York
$255K -$290K -59,048 -48%
Nomura Holdings
40
Nomura Holdings
Japan
$234K +$285K +58,034 +7,421%
XT
41
XTX Topco
Cayman Islands
$219K +$208K +42,293 +330%
Qube Research & Technologies (QRT)
42
Qube Research & Technologies (QRT)
United Kingdom
$177K +$118K +24,031 +118%
PP
43
PDT Partners
New York
$148K +$113K +22,968 +161%
MS
44
Maven Securities
Jersey
$139K
GC
45
Grimes & Company
Massachusetts
$138K
AA
46
ALPS Advisors
Colorado
$129K +$159K +32,378 New
Marshall Wace
47
Marshall Wace
United Kingdom
$107K +$132K +26,813 New
TRCT
48
Tower Research Capital (TRC)
New York
$99K +$114K +23,120 +1,432%
Charles Schwab
49
Charles Schwab
California
$98.1K +$58.3K +11,851 +93%
BFM
50
Boothbay Fund Management
New York
$95.2K +$118K +23,927 New

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.