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MRNS

Marinus Pharmaceuticals, Inc

Delisted

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

79 hedge funds and large institutions have $121M invested in Marinus Pharmaceuticals, Inc in 2019 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 26 increasing their positions, 17 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

188% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 8

152% more capital invested

Capital invested by funds: $48.1M → $121M (+$73M)

53% more repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 17

23% more funds holding

Funds holding: 6479 (+15)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

57% less call options, than puts

Call options by funds: $605K | Put options by funds: $1.4M

Holders
79
Holders Change
+15
Holders Change %
+23.44%
% of All Funds
1.56%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
23
Increased
26
Reduced
17
Closed
8
Calls
$605K
Puts
$1.4M
Net Calls
-$793K
Net Calls Change
-$1.73M
Name Holding Trade Value Shares
Change
Change in
Stake
AllianceBernstein
51
AllianceBernstein
Tennessee
$54K
Wolverine Trading
52
Wolverine Trading
Illinois
$54K +$34.7K +6,182 New
AIM
53
Alambic Investment Management
California
$48K +$31.2K +5,566 New
IIA
54
IPG Investment Advisors
California
$37.5K
PPA
55
Parametric Portfolio Associates
Washington
$36K +$23.3K +4,160 New
Bank of America
56
Bank of America
North Carolina
$34K -$20K -3,569 -47%
Jane Street
57
Jane Street
New York
$34K +$6.99K +1,245 +47%
Renaissance Technologies
58
Renaissance Technologies
New York
$32K +$20.5K +3,650 New
Simplex Trading
59
Simplex Trading
Illinois
$25K +$12K +2,140 +278%
VF
60
Virtu Financial
New York
$25K +$16.4K +2,926 New
TAM
61
Tocqueville Asset Management
New York
$24K -$3.51K -625 -19%
Two Sigma Advisers
62
Two Sigma Advisers
New York
$24K -$3.23K -575 -17%
Legal & General Group
63
Legal & General Group
United Kingdom
$22K +$2.7K +481 +24%
Citigroup
64
Citigroup
New York
$22K +$6.37K +1,135 +79%
PHK
65
Point72 Hong Kong
Hong Kong
$22K +$14K +2,498 New
BFM
66
Boothbay Fund Management
New York
$22K +$14K +2,500 New
BNP Paribas Financial Markets
67
BNP Paribas Financial Markets
France
$15.1K -$1.04K -186 -10%
Bank of Montreal
68
Bank of Montreal
Ontario, Canada
$14K +$3.05K +544 +50%
KBC Group
69
KBC Group
Belgium
$14K +$7.25K +1,292 +419%
CBT
70
Capital Bank & Trust
California
$9K
AIP
71
Ameritas Investment Partners
Nebraska
$8K
CG
72
Cutler Group
California
$7K -$701 -125 -13%
MAM
73
Meeder Asset Management
Ohio
$4K -$2.88K -514 -53%
VFA
74
Valeo Financial Advisors
Indiana
$3K
CSS
75
Cubist Systematic Strategies
Connecticut
$3K +$2.25K +400 New

MRNS Hedge Fund Activity: Q4 2019 in Review

79 of the 5,075 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q4 2019, worth a combined $121M — up 152% from $48.1M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new MRNS positions and 8 closed out — a net gain of 15 holders — while 26 added to existing stakes and 17 trimmed.

The largest buyer was Avoro Capital Advisors, opening a new position worth an estimated $8.7M. The largest seller was Franklin Resources, exiting entirely with an estimated $3.74M sold.

  • 79 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q4 2019, up from 64 in Q3 2019.
  • Funds reported $121M of Marinus Pharmaceuticals, Inc stock for Q4 2019, up 152% quarter-over-quarter.
  • 23 funds opened new Marinus Pharmaceuticals, Inc positions in Q4 2019 and 8 closed out, a net change of +15 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q4 2019 was Avoro Capital Advisors, an estimated $8.7M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q4 2019 was Franklin Resources, an estimated $3.74M sold.

Based on aggregated 13F filings for Q4 2019.