Marinus Pharmaceuticals, Inc
MRNS
MRNS was delisted on the 10th of February, 2025.
15 hedge funds and large institutions have $61.7M invested in Marinus Pharmaceuticals, Inc in 2014 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 4 reducing their positions, and 4 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
77% more capital invested
Capital invested by funds: $34.8M → $61.7M (+$26.9M)
0% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 4
17% less funds holding
Funds holding: 18 → 15 (-3)
50% less repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 4
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EA
Emerald Advisers
Leola,
Pennsylvania
|
+$830K |
| 2 |
UOC
UBS O'Connor
Chicago,
Illinois
|
+$360K |
| 3 |
EMFAT
Emerald Mutual Fund Advisers Trust
Leola,
Pennsylvania
|
+$134K |
| 4 |
Manulife (Manufacturers Life Insurance)
Canada,
Ontario, Canada
|
+$1.19K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$434K |
| 2 |
Goldman Sachs
New York
|
-$253K |
| 3 |
Millennium Management
New York
|
-$117K |
| 4 |
SIM
Spark Investment Management
New York
|
-$77K |
| 5 |
Morgan Stanley
New York
|
-$10K |
MRNS Hedge Fund Activity: Q4 2014 in Review
15 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q4 2014, worth a combined $61.7M — up 77% from $34.8M a quarter earlier.
Fund positioning in MRNS was balanced in Q4 2014: 4 funds opened new positions, 4 closed out, 2 added to existing stakes and 4 trimmed.
The largest buyer was Emerald Advisers, adding an estimated $830K. The largest seller was Bank of America, exiting entirely with an estimated $434K sold.
- 15 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q4 2014, down from 18 in Q3 2014.
- Funds reported $61.7M of Marinus Pharmaceuticals, Inc stock for Q4 2014, up 77% quarter-over-quarter.
- 4 funds opened new Marinus Pharmaceuticals, Inc positions in Q4 2014 and 4 closed out, a net change of 0 holders.
- The largest Marinus Pharmaceuticals, Inc buyer in Q4 2014 was Emerald Advisers, an estimated $830K added.
- The largest Marinus Pharmaceuticals, Inc seller in Q4 2014 was Bank of America, an estimated $434K sold.
Based on aggregated 13F filings for Q4 2014.