MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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73 hedge funds and large institutions have $139M invested in Marinus Pharmaceuticals, Inc in 2022 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 16 increasing their positions, 23 reducing their positions, and 25 closing their positions.

Holders
73
Holders Change
-10
Holders Change %
-12.05%
% of All Funds
1.23%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
16
Increased
16
Reduced
23
Closed
25
Calls
$425K
Puts
$876K
Net Calls
-$451K
Net Calls Change
-$1.7M

Top Buyers

1
SCM
1
Suvretta Capital Management
New York
$17M
2
Millennium Management
2
Millennium Management
New York
$1.86M
3
AC
3
Antara Capital
New York
$2.26M
4
E
4
Ergoteles
New York
$945K
5
Citadel Advisors
5
Citadel Advisors
Florida
$1.06M

Top Sellers

1
BlackRock
1
BlackRock
New York
$4.56M
2
State Street
2
State Street
Massachusetts
$630K
3
Geode Capital Management
3
Geode Capital Management
Massachusetts
$1.6M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$10K
5
Northern Trust
5
Northern Trust
Illinois
$277K
Name Market Value Shares Shares
Change 		Shares
Change %
LPC
1
Lion Point Capital
New York
$19M 3,684,622 +55,000 +2%
SCM
2
Suvretta Capital Management
New York
$17M 3,510,831 +744,831 +27%
VA
3
VR Adviser
New York
$15.3M 3,156,803 – –
ACA
4
Avoro Capital Advisors
New York
$15.2M 3,150,000 – –
6CM
5
683 Capital Management
New York
$9.2M 1,900,000 -32,829 -2%
Vanguard Group
6
Vanguard Group
Pennsylvania
$8.11M 1,674,558 -22,117 -1%
BCLSI
7
Bain Capital Life Sciences Investors
Massachusetts
$6.93M 1,431,058 – –
BL
8
Bleichroeder LP
New York
$6.4M 1,322,463 – –
Adage Capital Partners
9
Adage Capital Partners
Massachusetts
$6.11M 1,262,500 – –
AG
10
Artal Group
Luxembourg
$4.84M 1,000,000 – –
BlackRock
11
BlackRock
New York
$4.56M 941,311 -1,684,717 -64%
JG
12
Jefferies Group
New York
$2.39M 494,764 – –
GPCM
13
Granite Point Capital Management
Massachusetts
$2.29M 472,056 – –
AC
14
Antara Capital
New York
$2.26M 467,481 +277,273 +146%
Franklin Resources
15
Franklin Resources
California
$2.12M 437,700 +80,500 +23%
Millennium Management
16
Millennium Management
New York
$1.86M 384,071 +384,071 New
Geode Capital Management
17
Geode Capital Management
Massachusetts
$1.6M 330,316 -308,900 -48%
RCMNY
18
Rubric Capital Management (New York)
New York
$1.53M 315,277 +71,803 +29%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$1.22M 251,095 -62,187 -20%
SCM
20
Stonepine Capital Management
Oregon
$1.17M 242,327 +185,580 +327%
Citadel Advisors
21
Citadel Advisors
Florida
$1.06M 219,490 +191,640 +688%
E
22
Ergoteles
New York
$945K 195,288 +195,288 New
Renaissance Technologies
23
Renaissance Technologies
New York
$759K 156,900 +123,000 +363%
State Street
24
State Street
Massachusetts
$630K 130,176 -530,343 -80%
Victory Capital Management
25
Victory Capital Management
Texas
$551K 113,779 – –
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