MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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15 hedge funds and large institutions have $61.7M invested in Marinus Pharmaceuticals, Inc in 2014 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 4 reducing their positions, and 4 closing their positions.

Holders
15
Holders Change
-3
Holders Change %
-16.67%
% of All Funds
0.4%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
4
Increased
2
Reduced
4
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NLVP
1
New Leaf Venture Partners
New York
$4.43M
2
AIC
2
AWM Investment Company
New York
$2.82M
3
EA
3
Emerald Advisers
Pennsylvania
$2.88M
4
UOC
4
UBS O'Connor
Illinois
$524K
5
EMFAT
5
Emerald Mutual Fund Advisers Trust
Pennsylvania
$1.72M

Top Sellers

1
Bank of America
1
Bank of America
North Carolina
$0
2
Goldman Sachs
2
Goldman Sachs
New York
$191K
3
Millennium Management
3
Millennium Management
New York
$0
4
SIM
4
Spark Investment Management
New York
$0
5
TRCT
5
Tower Research Capital (TRC)
New York
$41K
Name Market Value Shares Shares
Change 		Shares
Change %
CPV
1
Canaan Partners VII
Connecticut
$26M 2,461,399 – –
Franklin Resources
2
Franklin Resources
California
$14.6M 1,389,100 -400 -0%
NLVP
3
New Leaf Venture Partners
New York
$4.43M 419,388 +419,388 New
PI
4
Putnam Investments
Massachusetts
$3.16M 300,000 – –
SFM
5
Sphera Funds Management
Israel
$3.09M 293,533 – –
EA
6
Emerald Advisers
Pennsylvania
$2.88M 272,013 +114,473 +73%
AIC
7
AWM Investment Company
New York
$2.82M 267,337 +267,337 New
BBA
8
Baker Bros. Advisors
New York
$2.16M 204,476 – –
EMFAT
9
Emerald Mutual Fund Advisers Trust
Pennsylvania
$1.72M 162,903 +18,443 +13%
UOC
10
UBS O'Connor
Illinois
$524K 49,700 +49,700 New
Goldman Sachs
11
Goldman Sachs
New York
$191K 18,080 -34,828 -66%
TRCT
12
Tower Research Capital (TRC)
New York
$41K 3,908 -1,265 -24%
BIM
13
BlackRock Investment Management
Delaware
$9K 897 – –
Deutsche Bank
14
Deutsche Bank
Germany
$2K 254 -146 -37%
Manulife (Manufacturers Life Insurance)
15
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2 162 +162 New
Bank of America
16
Bank of America
North Carolina
– – -67,067 Closed
Millennium Management
17
Millennium Management
New York
– – -18,062 Closed
SIM
18
Spark Investment Management
New York
– – -12,058 Closed
Morgan Stanley
19
Morgan Stanley
New York
– – -1,519 Closed