MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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38 hedge funds and large institutions have $118M invested in Marinus Pharmaceuticals, Inc in 2017 Q3 according to their latest regulatory filings, with 23 funds opening new positions, 9 increasing their positions, 2 reducing their positions, and 9 closing their positions.

Holders
38
Holders Change
+14
Holders Change %
+58.33%
% of All Funds
0.95%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
23
Increased
9
Reduced
2
Closed
9
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
EC
1
EcoR1 Capital
California
$21.3M
2
GPCM
2
Granite Point Capital Management
Massachusetts
$15.8M
3
PA
3
Perceptive Advisors
New York
$8.53M
4
DM
4
Deerfield Management
New York
$7.95M
5
FCM
5
Farallon Capital Management
California
$6.87M

Top Sellers

1
JGC
1
J. Goldman & Co
New York
$317K
2
SFM
2
Sphera Funds Management
Israel
$0
3
ARTA
3
A.R.T. Advisors
New York
$0
4
BFM
4
Boothbay Fund Management
New York
$0
5
TRCT
5
Tower Research Capital (TRC)
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
EC
1
EcoR1 Capital
California
$21.3M 3,622,271 +3,622,271 New
GPCM
2
Granite Point Capital Management
Massachusetts
$15.8M 2,684,848 +1,918,400 +250%
Franklin Resources
3
Franklin Resources
California
$12.8M 2,182,185 – –
Jennison Associates
4
Jennison Associates
New York
$9.43M 1,606,733 +795,068 +98%
PA
5
Perceptive Advisors
New York
$8.53M 1,452,700 +1,452,700 New
DM
6
Deerfield Management
New York
$7.95M 1,355,000 +1,355,000 New
FCM
7
Farallon Capital Management
California
$6.87M 1,170,000 +1,170,000 New
Millennium Management
8
Millennium Management
New York
$5.1M 867,927 +867,927 New
Vanguard Group
9
Vanguard Group
Pennsylvania
$4.9M 835,263 +251,609 +43%
NC
10
Nexthera Capital
New York
$3.52M 600,000 +100,000 +20%
Adage Capital Partners
11
Adage Capital Partners
Massachusetts
$3.52M 600,000 +600,000 New
O
12
OrbiMed
New York
$3.33M 567,600 – –
BIM
13
Bogle Investment Management
Massachusetts
$2.25M 382,619 +382,619 New
Renaissance Technologies
14
Renaissance Technologies
New York
$1.78M 303,777 +303,777 New
SSA
15
Schonfeld Strategic Advisors
New York
$1.63M 277,196 +277,196 New
MWNA
16
Marshall Wace North America
New York
$1.6M 267,205 +267,205 New
NLVP
17
New Leaf Venture Partners
New York
$1.47M 250,000 +250,000 New
BlackRock
18
BlackRock
New York
$1.07M 181,359 +14,872 +9%
IHM
19
Iguana Healthcare Management
New York
$1.03M 175,000 +175,000 New
ACM
20
Atika Capital Management
New York
$758K 129,000 +129,000 New
Geode Capital Management
21
Geode Capital Management
Massachusetts
$616K 105,104 +50,946 +94%
EI
22
EAM Investors
California
$554K 94,332 +94,332 New
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$503K 85,618 +85,618 New
JGC
24
J. Goldman & Co
New York
$317K 54,000 -335,288 -86%
Citadel Advisors
25
Citadel Advisors
Florida
$301K 51,383 +39,371 +328%
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