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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
Two Sigma Investments
26
Two Sigma Investments
New York
$317K +$206K +36,644 New
Bank of New York Mellon
27
Bank of New York Mellon
New York
$282K
Charles Schwab
28
Charles Schwab
California
$274K
PAI
29
Palo Alto Investors
California
$271K
Goldman Sachs
30
Goldman Sachs
New York
$208K +$17.5K +3,110 +15%
UBS Group
31
UBS Group
Switzerland
$191K +$30.1K +5,365 +32%
AC
32
Aristides Capital
Kentucky
$177K +$115K +20,453 New
California State Teachers Retirement System (CalSTRS)
33
California State Teachers Retirement System (CalSTRS)
California
$165K -$1.5K -267 -1%
ARTA
34
A.R.T. Advisors
New York
$157K -$13K -2,322 -11%
Morgan Stanley
35
Morgan Stanley
New York
$151K +$73.4K +13,082 +295%
Citadel Advisors
36
Citadel Advisors
Florida
$149K -$31.4K -5,601 -25%
RhumbLine Advisers
37
RhumbLine Advisers
Massachusetts
$145K +$3.51K +626 +4%
Group One Trading
38
Group One Trading
Illinois
$142K -$124K -22,018 -57%
Millennium Management
39
Millennium Management
New York
$137K +$89.2K +15,889 New
EGM
40
Engineers Gate Manager
New York
$127K +$129 +23 +0.2%
ECM
41
ExodusPoint Capital Management
New York
$125K +$81K +14,433 New
CM
42
Caption Management
Oklahoma
$121K +$28.1K +5,000 +56%
Wells Fargo
43
Wells Fargo
California
$111K -$11.2K -1,994 -13%
Barclays
44
Barclays
United Kingdom
$111K -$10.6K -1,891 -13%
GCP
45
GSA Capital Partners
United Kingdom
$102K +$66.5K +11,844 New
Deutsche Bank
46
Deutsche Bank
Germany
$84K +$35.6K +6,342 +177%
AIG
47
American International Group
New York
$70K +$730 +130 +2%
VOYA Investment Management
48
VOYA Investment Management
Georgia
$65K +$12.6K +2,244 +43%
GF
49
Gabelli Funds
New York
$58K
New York State Common Retirement Fund
50
New York State Common Retirement Fund
New York
$57K

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.