MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

Back to rankings

96 hedge funds and large institutions have $279M invested in Marinus Pharmaceuticals, Inc in 2018 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 23 increasing their positions, 19 reducing their positions, and 10 closing their positions.

Holders
96
Holders Change
+23
Holders Change %
+31.51%
% of All Funds
2.2%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
33
Increased
23
Reduced
19
Closed
10
Calls
$18.3M
Puts
$8.28M
Net Calls
+$10M
Net Calls Change
+$7.93M

Top Buyers

1
PHS
1
PFM Health Sciences
California
$17.7M
2
CS
2
Credit Suisse
Switzerland
$10.3M
3
VMI
3
VHCP Management III
New York
$6.72M
4
Goldman Sachs
4
Goldman Sachs
New York
$5.03M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$4.09M

Top Sellers

1
GPCM
1
Granite Point Capital Management
Massachusetts
$10.6M
2
Jennison Associates
2
Jennison Associates
New York
$19M
3
MWNA
3
Marshall Wace North America
New York
$0
4
CAM
4
Cormorant Asset Management
Massachusetts
$3M
5
HT
5
HAP Trading
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BCLSI
1
Bain Capital Life Sciences Investors
Massachusetts
$39.8M 3,977,453 – –
BlackRock
2
BlackRock
New York
$29.1M 2,910,405 +259,793 +10%
TBC
3
Three Bays Capital
Massachusetts
$19.1M 1,905,469 – –
Jennison Associates
4
Jennison Associates
New York
$19M 1,902,523 -854,833 -31%
Franklin Resources
5
Franklin Resources
California
$17.8M 1,784,185 -143,900 -7%
PHS
6
PFM Health Sciences
California
$17.7M 1,774,094 +1,774,094 New
Vanguard Group
7
Vanguard Group
Pennsylvania
$15.6M 1,559,493 -13,788 -0.9%
6CM
8
683 Capital Management
New York
$11M 1,100,000 -100,000 -8%
GPCM
9
Granite Point Capital Management
Massachusetts
$10.6M 1,059,367 -1,578,954 -60%
CS
10
Credit Suisse
Switzerland
$10.3M 1,033,326 +899,780 +674%
PA
11
Perceptive Advisors
New York
$9.08M 907,732 – –
VMI
12
VHCP Management III
New York
$6.72M 672,271 +672,271 New
State Street
13
State Street
Massachusetts
$5.82M 581,696 +30,922 +6%
O
14
OrbiMed
New York
$5.68M 567,600 – –
Goldman Sachs
15
Goldman Sachs
New York
$5.03M 502,686 +474,268 +1,669%
AG
16
Artal Group
Luxembourg
$5M 500,000 – –
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$4.09M 408,658 +408,658 New
Northern Trust
18
Northern Trust
Illinois
$4.02M 401,709 +14,845 +4%
VMI
19
VHCP Management II
New York
$3.97M 397,236 +51,996 +15%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$3.45M 344,815 +74,783 +28%
TCM
21
Tekla Capital Management
Massachusetts
$3.36M 336,228 +336,228 New
CAM
22
Cormorant Asset Management
Massachusetts
$3M 300,000 -178,111 -37%
Balyasny Asset Management
23
Balyasny Asset Management
Illinois
$2.1M 210,240 +210,240 New
CM
24
Caption Management
Oklahoma
$1.89M 188,500 +188,500 New
Millennium Management
25
Millennium Management
New York
$1.79M 179,012 +22,082 +14%
1
2 3 4 5