MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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27 hedge funds and large institutions have $13M invested in Marinus Pharmaceuticals, Inc in 2017 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 4 increasing their positions, 5 reducing their positions, and 3 closing their positions.

Holders
27
Holders Change
+4
Holders Change %
+17.39%
% of All Funds
0.67%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
4
Reduced
5
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NC
1
Nexthera Capital
New York
$1.42M
2
GPCM
2
Granite Point Capital Management
Massachusetts
$1.37M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.16M
4
Jennison Associates
4
Jennison Associates
New York
$690K
5
BlackRock
5
BlackRock
New York
$416K

Top Sellers

1
Creative Planning
1
Creative Planning
Kansas
$1K
2
BFM
2
Boothbay Fund Management
New York
$56K
3
AIM
3
Acrospire Investment Management
Illinois
$3K
4
SFM
4
Sphera Funds Management
Israel
$2.36M
5
UBS Group
5
UBS Group
Switzerland
$19K
Name Market Value Shares Shares
Change 		Shares
Change %
Franklin Resources
1
Franklin Resources
California
$3.86M 2,182,185 – –
SFM
2
Sphera Funds Management
Israel
$2.36M 1,331,421 -9,167 -0.7%
NC
3
Nexthera Capital
New York
$1.42M 800,000 +800,000 New
GPCM
4
Granite Point Capital Management
Massachusetts
$1.37M 775,000 +775,000 New
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.16M 653,651 +466,830 +250%
O
6
OrbiMed
New York
$1.01M 567,600 – –
Jennison Associates
7
Jennison Associates
New York
$690K 390,065 +390,065 New
BlackRock
8
BlackRock
New York
$416K 234,910 +234,910 New
VKH
9
Virtu KCG Holdings
New York
$114K 64,539 +14,692 +29%
PAM
10
Panagora Asset Management
Massachusetts
$99K 55,973 – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$99K 56,098 +264 +0.5%
Citadel Advisors
12
Citadel Advisors
Florida
$64K 35,822 +35,822 New
ARTA
13
A.R.T. Advisors
New York
$63K 35,701 +18,871 +112%
BFM
14
Boothbay Fund Management
New York
$56K 31,464 -47,198 -60%
BCM
15
Bridgeway Capital Management
Texas
$53K 30,000 – –
Northern Trust
16
Northern Trust
Illinois
$38K 21,470 – –
Bank of New York Mellon
17
Bank of New York Mellon
New York
$36K 20,229 +20,229 New
TDC
18
Thompson Davis & Co
Virginia
$23K 13,000 +13,000 New
UBS Group
19
UBS Group
Switzerland
$19K 10,693 -8,930 -46%
SAMH
20
Shanda Asset Management Holdings
British Virgin Islands
$18K 10,000 – –
CGT
21
Capital Guardian Trust
California
$7K 4,120 – –
AIM
22
Acrospire Investment Management
Illinois
$3K 1,697 -12,626 -88%
TRCT
23
Tower Research Capital (TRC)
New York
$2K 1,309 +1,309 New
Creative Planning
24
Creative Planning
Kansas
$1K 500 -50,500 -99%
Squarepoint
25
Squarepoint
New York
– – -13,000 Closed
1
2