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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

94 hedge funds and large institutions have $226M invested in Marinus Pharmaceuticals, Inc in 2020 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 38 increasing their positions, 18 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

286% more first-time investments, than exits

New positions opened: 27 | Existing positions closed: 7

111% more repeat investments, than reductions

Existing positions increased: 38 | Existing positions reduced: 18

72% more capital invested

Capital invested by funds: $131M → $226M (+$94.9M)

27% more funds holding

Funds holding: 7494 (+20)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

42% less call options, than puts

Call options by funds: $819K | Put options by funds: $1.41M

Holders
94
Holders Change
+20
Holders Change %
+27.03%
% of All Funds
1.93%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.06%
New
27
Increased
38
Reduced
18
Closed
7
Calls
$819K
Puts
$1.41M
Net Calls
-$593K
Net Calls Change
+$414K
Name Holding Trade Value Shares
Change
Change in
Stake
AIG
51
American International Group
New York
$132K +$7.29K +793 +7%
Barclays
52
Barclays
United Kingdom
$118K +$44.6K +4,852 +71%
SG Americas Securities
53
SG Americas Securities
New York
$117K +$40.4K +4,388 +62%
Renaissance Technologies
54
Renaissance Technologies
New York
$111K +$101K +10,950 New
MIM
55
MetLife Investment Management
New Jersey
$111K +$100K +10,904 New
Citadel Advisors
56
Citadel Advisors
Florida
$109K -$119K -12,955 -55%
Deutsche Bank
57
Deutsche Bank
Germany
$108K +$29.8K +3,242 +44%
State Board of Administration of Florida Retirement System
58
State Board of Administration of Florida Retirement System
Florida
$97K +$33K +3,592 +60%
ARTA
59
A.R.T. Advisors
New York
$96K +$86.7K +9,430 New
Group One Trading
60
Group One Trading
Illinois
$93K -$61.5K -6,682 -42%
MLICM
61
Metropolitan Life Insurance Company (MetLife)
New York
$76.5K +$69.3K +7,529 New
VOYA Investment Management
62
VOYA Investment Management
Georgia
$73K -$31.4K -3,409 -32%
Morgan Stanley
63
Morgan Stanley
New York
$70K +$31.1K +3,385 +99%
GF
64
Gabelli Funds
New York
$69K
Arrowstreet Capital
65
Arrowstreet Capital
Massachusetts
$60K +$54K +5,875 New
APWM
66
Atlas Private Wealth Management
New York
$51K +$46K +5,000 New
Simplex Trading
67
Simplex Trading
Illinois
$47K -$7.23K -786 -14%
Bank of America
68
Bank of America
North Carolina
$47K +$32.8K +3,566 +360%
TRCT
69
Tower Research Capital (TRC)
New York
$46K +$39.2K +4,266 +1,984%
IIA
70
IPG Investment Advisors
California
$44.1K
DTL
71
Dynamic Technology Lab
Singapore
$44K +$39.9K +4,341 New
PPA
72
Parametric Portfolio Associates
Washington
$44K +$39.9K +4,342 New
Wolverine Trading
73
Wolverine Trading
Illinois
$43K -$27K -2,937 -41%
GC
74
Grimes & Company
Massachusetts
$42K +$37.9K +4,125 New
Principal Financial Group
75
Principal Financial Group
Iowa
$36K +$32.2K +3,498 New

MRNS Hedge Fund Activity: Q2 2020 in Review

94 of the 4,877 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q2 2020, worth a combined $226M — up 72% from $131M a quarter earlier.

Buyers outnumbered sellers: 27 funds opened new MRNS positions and 7 closed out — a net gain of 20 holders — while 38 added to existing stakes and 18 trimmed.

The largest buyer was Avoro Capital Advisors, adding an estimated $13.2M. The largest seller was Acuta Capital Partners, exiting entirely with an estimated $2.11M sold.

  • 94 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q2 2020, up from 74 in Q1 2020.
  • Funds reported $226M of Marinus Pharmaceuticals, Inc stock for Q2 2020, up 72% quarter-over-quarter.
  • 27 funds opened new Marinus Pharmaceuticals, Inc positions in Q2 2020 and 7 closed out, a net change of +20 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q2 2020 was Avoro Capital Advisors, an estimated $13.2M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q2 2020 was Acuta Capital Partners, an estimated $2.11M sold.

Based on aggregated 13F filings for Q2 2020.