MRNS

Marinus Pharmaceuticals, Inc
MRNS

Overview Fund Activity
Delisted

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

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65 hedge funds and large institutions have $210M invested in Marinus Pharmaceuticals, Inc in 2017 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 15 increasing their positions, 13 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
65
Holders Change
+27
Holders Change %
+71.05%
% of All Funds
1.48%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
33
Increased
15
Reduced
13
Closed
6
Calls
$2.26M
Puts
$1.3M
Net Calls
+$953K
Net Calls Change
+$953K

Top Buyers

1
Jennison Associates
1
Jennison Associates
New York
$22M
2
AC
2
Ascend Capital
California
$8.26M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$8.17M
4
Citadel Advisors
4
Citadel Advisors
Florida
$8.34M
5
6CM
5
683 Capital Management
New York
$4.49M

Top Sellers

1
EC
1
EcoR1 Capital
California
$0
2
DM
2
Deerfield Management
New York
$0
3
PA
3
Perceptive Advisors
New York
$7.41M
4
GPCM
4
Granite Point Capital Management
Massachusetts
$18.6M
5
BIM
5
Bogle Investment Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
ACH
51
ArrowMark Colorado Holdings
Colorado
$88K -$10.4K -318 -11%
SAMH
52
Shanda Asset Management Holdings
British Virgin Islands
$82K – – –
QT
53
Quantbot Technologies
New York
$66K +$66K +2,044 New
Bank of America
54
Bank of America
North Carolina
$60K +$60K +1,828 New
NIT
55
NumerixS Investment Technologies
British Columbia, Canada
$57K +$57K +1,750 New
JGC
56
J. Goldman & Co
New York
$53K -$385K -11,868 -88%
Group One Trading
57
Group One Trading
Illinois
$39K +$39K +1,195 New
CBT
58
Capital Bank & Trust
California
$34K – – –
DCM
59
Delpha Capital Management
New York
$24K +$24K +731 New
CG
60
Cutler Group
California
$17K +$17K +550 New
Simplex Trading
61
Simplex Trading
Illinois
$16K +$8.32K +262 +108%
TRCT
62
Tower Research Capital (TRC)
New York
$14K +$14K +430 New
Manulife (Manufacturers Life Insurance)
63
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$12K +$12K +367 New
Citigroup
64
Citigroup
New York
$10K +$10K +319 New
HFP
65
Holistic Financial Partners
Indiana
$2K +$2K +66 New
EC
66
EcoR1 Capital
California
– -$21.3M -905,568 Closed
DM
67
Deerfield Management
New York
– -$7.95M -338,750 Closed
BIM
68
Bogle Investment Management
Massachusetts
– -$2.25M -95,655 Closed
ACM
69
Atika Capital Management
New York
– -$758K -32,250 Closed
VF
70
Virtu Financial
New York
– -$66K -2,824 Closed
Morgan Stanley
71
Morgan Stanley
New York
– -$2K -70 Closed
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