MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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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
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

Top Buyers

1
ACA
1
Avoro Capital Advisors
New York
$30.4M
2
BC
2
Boxer Capital
California
$24.4M
3
LPC
3
Lion Point Capital
New York
$27.6M
4
SCM
4
Suvretta Capital Management
New York
$5.08M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$16M

Top Sellers

1
ACP
1
Acuta Capital Partners
California
$0
2
VA
2
VR Adviser
New York
$14.5M
3
Nuveen Asset Management
3
Nuveen Asset Management
Illinois
$773K
4
ACM
4
Asymmetry Capital Management
California
$1.49M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$3.09M
Name Holding Trade Value Shares
Change 		Shares
Change %
AIG
51
American International Group
New York
$132K +$8.08K +793 +7%
Barclays
52
Barclays
United Kingdom
$118K +$49K +4,852 +71%
SG Americas Securities
53
SG Americas Securities
New York
$117K +$44.6K +4,388 +62%
Renaissance Technologies
54
Renaissance Technologies
New York
$111K +$111K +10,950 New
MIM
55
MetLife Investment Management
New Jersey
$111K +$111K +10,904 New
Citadel Advisors
56
Citadel Advisors
Florida
$109K -$131K -12,955 -55%
Deutsche Bank
57
Deutsche Bank
Germany
$108K +$32.8K +3,242 +44%
State Board of Administration of Florida Retirement System
58
State Board of Administration of Florida Retirement System
Florida
$97K +$36.3K +3,592 +60%
ARTA
59
A.R.T. Advisors
New York
$96K +$96K +9,430 New
Group One Trading
60
Group One Trading
Illinois
$93K -$67.7K -6,682 -42%
MLICM
61
Metropolitan Life Insurance Company (MetLife)
New York
$76.5K +$76.5K +7,529 New
VOYA Investment Management
62
VOYA Investment Management
Georgia
$73K -$34.6K -3,409 -32%
Morgan Stanley
63
Morgan Stanley
New York
$70K +$34.9K +3,385 +99%
GF
64
Gabelli Funds
New York
$69K – – –
Arrowstreet Capital
65
Arrowstreet Capital
Massachusetts
$60K +$60K +5,875 New
APWM
66
Atlas Private Wealth Management
New York
$51K +$51K +5,000 New
Simplex Trading
67
Simplex Trading
Illinois
$47K -$7.9K -786 -14%
Bank of America
68
Bank of America
North Carolina
$47K +$36.8K +3,566 +360%
TRCT
69
Tower Research Capital (TRC)
New York
$46K +$43.8K +4,266 +1,984%
IIA
70
IPG Investment Advisors
California
$44.1K – – –
DTL
71
Dynamic Technology Lab
Singapore
$44K +$44K +4,341 New
PPA
72
Parametric Portfolio Associates
Washington
$44K +$44K +4,342 New
Wolverine Trading
73
Wolverine Trading
Illinois
$43K -$29.7K -2,937 -41%
GC
74
Grimes & Company
Massachusetts
$42K +$42K +4,125 New
Principal Financial Group
75
Principal Financial Group
Iowa
$36K +$36K +3,498 New
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