Middlesex Water
MSEX
201 hedge funds and large institutions have $765M invested in Middlesex Water in 2025 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 64 increasing their positions, 75 reducing their positions, and 34 closing their positions.
527% more call options, than puts
Call options by funds: $1.31M | Put options by funds: $209K
2.1% more ownership
Funds ownership: 79.6% → 81.7% (+2.1%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
1% less capital invested
Capital invested by funds: $776M → $765M (-$11.2M)
6% less funds holding
Funds holding: 214 → 201 (-13)
15% less repeat investments, than reductions
Existing positions increased: 64 | Existing positions reduced: 75
32% less first-time investments, than exits
New positions opened: 23 | Existing positions closed: 34
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$30.3M |
| 2 |
Neuberger Berman Group
New York
|
+$27.5M |
| 3 |
BlackRock
New York
|
+$5.23M |
| 4 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$3.56M |
| 5 |
ACG
Aventail Capital Group
New York
|
+$2.45M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCMG
TSP Capital Management Group
Summit,
New Jersey
|
-$6.41M |
| 2 |
Goldman Sachs
New York
|
-$4.64M |
| 3 |
Renaissance Technologies
New York
|
-$4.61M |
| 4 |
Jane Street
New York
|
-$4.2M |
| 5 |
D.E. Shaw & Co
New York
|
-$3.04M |
MSEX Hedge Fund Activity: Q4 2025 in Review
201 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Middlesex Water (MSEX) for Q4 2025, worth a combined $765M — down 1.4% from $776M a quarter earlier.
Sellers outnumbered buyers: 34 funds closed out of MSEX and 23 opened new positions — a net loss of 11 holders — while 75 trimmed existing stakes and 64 added.
The largest buyer was Morgan Stanley, adding an estimated $30.3M. The largest seller was TSP Capital Management Group, exiting entirely with an estimated $6.41M sold.
- 201 institutional investors held Middlesex Water (MSEX) as of Q4 2025, down from 214 in Q3 2025.
- Funds reported $765M of Middlesex Water stock for Q4 2025, down 1.4% quarter-over-quarter.
- 23 funds opened new Middlesex Water positions in Q4 2025 and 34 closed out, a net change of -11 holders.
- The largest Middlesex Water buyer in Q4 2025 was Morgan Stanley, an estimated $30.3M added.
- The largest Middlesex Water seller in Q4 2025 was TSP Capital Management Group, an estimated $6.41M sold.
Based on aggregated 13F filings for Q4 2025.