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MRNS

Marinus Pharmaceuticals, Inc
MRNS

Delisted

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

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38 hedge funds and large institutions have $54.3M invested in Marinus Pharmaceuticals, Inc in 2015 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 11 increasing their positions, 8 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

550% more first-time investments, than exits

New positions opened: 13 | Existing positions closed: 2

41% more funds holding

Funds holding: 27 → 38 (+11)

38% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 8

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

26% less capital invested

Capital invested by funds: $73.2M → $54.3M (-$18.9M)

Holders
38
Holders Change
+11
Holders Change %
+40.74%
% of All Funds
1.06%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
13
Increased
11
Reduced
8
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Allianz Asset Management
Allianz Asset Management
Germany
+$1.15M
2
CS
Credit Suisse
Switzerland
+$1.09M
3
IHM
Iguana Healthcare Management
New York
+$1.06M
4
ACH
ArrowMark Colorado Holdings
Colorado
+$847K
5
PAI
Palo Alto Investors
California
+$833K

Top Sellers

Rank Fund Capital Flow
1
Franklin Resources
Franklin Resources
California
-$2.98M
2
SFM
Sphera Funds Management
Israel
-$1.92M
3
Goldman Sachs
Goldman Sachs
New York
-$413K
4
AIC
AWM Investment Company
New York
-$247K
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$43.8K
Name Holding Trade Value Shares
Change 		Change in
Stake
BFA
26
BlackRock Fund Advisors
California
$102K +$172K +3,055 New
PP
27
PDT Partners
New York
$98K +$166K +2,950 New
BIT
28
BlackRock Institutional Trust
California
$41K +$69.4K +1,230 New
CGT
29
Capital Guardian Trust
California
$34K – – –
CSS
30
Cubist Systematic Strategies
Connecticut
$17K +$29.5K +523 New
Walleye Trading
31
Walleye Trading
New York
$14K +$24K +425 New
MFS
32
MSI Financial Services
Massachusetts
$8K +$14.1K +250 New
BIM
33
BlackRock Investment Management
Delaware
$6K – – –
UBS Group
34
UBS Group
Switzerland
$5K -$1.07K -19 -10%
PCM
35
Prelude Capital Management
New York
$3K +$5.64K +100 New
TRCT
36
Tower Research Capital (TRC)
New York
$2K +$2.82K +50 New
Wells Fargo
37
Wells Fargo
California
$1K -$9.88K -175 -88%
Deutsche Bank
38
Deutsche Bank
Germany
– -$3K -75 Closed
Manulife (Manufacturers Life Insurance)
39
Manulife (Manufacturers Life Insurance)
Ontario, Canada
– -$2 -41 Closed
Citigroup
40
Citigroup
New York
– -$451 -8 -57%
1
2

MRNS Hedge Fund Activity: Q3 2015 in Review

38 of the 3,583 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q3 2015, worth a combined $54.3M — down 26% from $73.2M a quarter earlier.

Buyers outnumbered sellers: 13 funds opened new MRNS positions and 2 closed out — a net gain of 11 holders — while 11 added to existing stakes and 8 trimmed.

The largest buyer was Allianz Asset Management, opening a new position worth an estimated $1.15M. The largest seller was Franklin Resources, cutting an estimated $2.98M.

  • 38 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q3 2015, up from 27 in Q2 2015.
  • Funds reported $54.3M of Marinus Pharmaceuticals, Inc stock for Q3 2015, down 26% quarter-over-quarter.
  • 13 funds opened new Marinus Pharmaceuticals, Inc positions in Q3 2015 and 2 closed out, a net change of +11 holders.
  • The largest Marinus Pharmaceuticals, Inc buyer in Q3 2015 was Allianz Asset Management, an estimated $1.15M added.
  • The largest Marinus Pharmaceuticals, Inc seller in Q3 2015 was Franklin Resources, an estimated $2.98M sold.

Based on aggregated 13F filings for Q3 2015.