Marinus Pharmaceuticals, Inc
MRNS
MRNS was delisted on the 10th of February, 2025.
21 hedge funds and large institutions have $52.8M invested in Marinus Pharmaceuticals, Inc in 2015 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 2 closing their positions.
300% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 2
40% more funds holding
Funds holding: 15 → 21 (+6)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
14% less capital invested
Capital invested by funds: $61.7M → $52.8M (-$8.85M)
40% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EA
Emerald Advisers
Leola,
Pennsylvania
|
+$1.26M |
| 2 |
NLVP
New Leaf Venture Partners
New York
|
+$1.15M |
| 3 |
ACP
Acuta Capital Partners
Redwood City,
California
|
+$396K |
| 4 |
Morgan Stanley
New York
|
+$365K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$231K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Franklin Resources
San Mateo,
California
|
-$1.82M |
| 2 |
SFM
Sphera Funds Management
Tel Aviv,
Israel
|
-$878K |
| 3 |
UOC
UBS O'Connor
Chicago,
Illinois
|
-$524K |
| 4 |
BBA
Baker Bros. Advisors
New York
|
-$49.1K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$39.6K |
MRNS Hedge Fund Activity: Q1 2015 in Review
21 of the 3,770 institutional investors tracked by Wall St. Rank reported a position in Marinus Pharmaceuticals, Inc (MRNS) for Q1 2015, worth a combined $52.8M — down 14% from $61.7M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new MRNS positions and 2 closed out — a net gain of 6 holders — while 3 added to existing stakes and 5 trimmed.
The largest buyer was Emerald Advisers, adding an estimated $1.26M. The largest seller was Franklin Resources, cutting an estimated $1.82M.
- 21 institutional investors held Marinus Pharmaceuticals, Inc (MRNS) as of Q1 2015, up from 15 in Q4 2014.
- Funds reported $52.8M of Marinus Pharmaceuticals, Inc stock for Q1 2015, down 14% quarter-over-quarter.
- 8 funds opened new Marinus Pharmaceuticals, Inc positions in Q1 2015 and 2 closed out, a net change of +6 holders.
- The largest Marinus Pharmaceuticals, Inc buyer in Q1 2015 was Emerald Advisers, an estimated $1.26M added.
- The largest Marinus Pharmaceuticals, Inc seller in Q1 2015 was Franklin Resources, an estimated $1.82M sold.
Based on aggregated 13F filings for Q1 2015.