California Water Service
338 hedge funds and large institutions have $2.36B invested in California Water Service in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 127 increasing their positions, 115 reducing their positions, and 31 closing their positions.
35% more first-time investments, than exits
New positions opened: 42 | Existing positions closed: 31
10% more repeat investments, than reductions
Existing positions increased: 127 | Existing positions reduced: 115
2% more funds holding
Funds holding: 330 → 338 (+8)
0.38% less ownership
Funds ownership: 84.92% → 84.54% (-0.38%)
4% less capital invested
Capital invested by funds: $2.45B → $2.36B (-$92.6M)
24% less call options, than puts
Call options by funds: $90K | Put options by funds: $118K
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$47.3M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$11.8M |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$4.93M |
| 4 |
Adage Capital Partners
Boston,
Massachusetts
|
+$4.79M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$4.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$29.3M |
| 2 |
NI
Nuance Investments
Kansas City,
Missouri
|
-$13.8M |
| 3 |
Northern Trust
Chicago,
Illinois
|
-$12.4M |
| 4 |
Goldman Sachs
New York
|
-$10.8M |
| 5 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$9.69M |
CWT Hedge Fund Activity: Q2 2025 in Review
338 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in California Water Service (CWT) for Q2 2025, worth a combined $2.36B — down 3.8% from $2.45B a quarter earlier.
Buyers outnumbered sellers: 42 funds opened new CWT positions and 31 closed out — a net gain of 11 holders — while 127 added to existing stakes and 115 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $47.3M. The largest seller was BlackRock, cutting an estimated $29.3M.
- 338 institutional investors held California Water Service (CWT) as of Q2 2025, up from 330 in Q1 2025.
- Funds reported $2.36B of California Water Service stock for Q2 2025, down 3.8% quarter-over-quarter.
- 42 funds opened new California Water Service positions in Q2 2025 and 31 closed out, a net change of +11 holders.
- The largest California Water Service buyer in Q2 2025 was Fidelity Investments, an estimated $47.3M added.
- The largest California Water Service seller in Q2 2025 was BlackRock, an estimated $29.3M sold.
Based on aggregated 13F filings for Q2 2025.