Middlesex Water
MSEX
226 hedge funds and large institutions have $882M invested in Middlesex Water in 2026 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 90 increasing their positions, 55 reducing their positions, and 21 closing their positions.
371% more call options, than puts
Call options by funds: $2.7M | Put options by funds: $573K
64% more repeat investments, than reductions
Existing positions increased: 90 | Existing positions reduced: 55
52% more first-time investments, than exits
New positions opened: 32 | Existing positions closed: 21
11% more capital invested
Capital invested by funds: $793M → $882M (+$88.2M)
3.13% more ownership
Funds ownership: 81.16% → 84.29% (+3.1%)
3% more funds holding
Funds holding: 220 → 226 (+6)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCMG
TSP Capital Management Group
Summit,
New Jersey
|
+$11.1M |
| 2 |
BlackRock
New York
|
+$6.2M |
| 3 |
Two Sigma Investments
New York
|
+$5.13M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$3.51M |
| 5 |
DIA
Dean Investment Associates
Beavercreek,
Ohio
|
+$3.15M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$4.32M |
| 2 |
HF
HRT Financial
New York
|
-$3.52M |
| 3 |
Goldman Sachs
New York
|
-$2.37M |
| 4 |
Millennium Management
New York
|
-$2.12M |
| 5 |
NIG
NFJ Investment Group
Dallas,
Texas
|
-$1.99M |
MSEX Hedge Fund Activity: Q2 2026 in Review
226 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Middlesex Water (MSEX) for Q2 2026, worth a combined $882M — up 11% from $793M a quarter earlier.
Buyers outnumbered sellers: 32 funds opened new MSEX positions and 21 closed out — a net gain of 11 holders — while 90 added to existing stakes and 55 trimmed.
The largest buyer was TSP Capital Management Group, opening a new position worth an estimated $11.1M. The largest seller was Jane Street, cutting an estimated $4.32M.
- 226 institutional investors held Middlesex Water (MSEX) as of Q2 2026, up from 220 in Q1 2026.
- Funds reported $882M of Middlesex Water stock for Q2 2026, up 11% quarter-over-quarter.
- 32 funds opened new Middlesex Water positions in Q2 2026 and 21 closed out, a net change of +11 holders.
- The largest Middlesex Water buyer in Q2 2026 was TSP Capital Management Group, an estimated $11.1M added.
- The largest Middlesex Water seller in Q2 2026 was Jane Street, an estimated $4.32M sold.
Based on aggregated 13F filings for Q2 2026.