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California Water Service

330 hedge funds and large institutions have $2.45B invested in California Water Service in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 122 increasing their positions, 101 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

88% more call options, than puts

Call options by funds: $436K | Put options by funds: $232K

28% more first-time investments, than exits

New positions opened: 46 | Existing positions closed: 36

21% more repeat investments, than reductions

Existing positions increased: 122 | Existing positions reduced: 101

10% more capital invested

Capital invested by funds: $2.23B → $2.45B (+$222M)

2.28% more ownership

Funds ownership: 82.64%84.92% (+2.3%)

2% more funds holding

Funds holding: 323330 (+7)

Holders
330
Holders Change
+7
Holders Change %
+2.17%
% of All Funds
4.42%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.03%
New
46
Increased
122
Reduced
101
Closed
36
Calls
$436K
Puts
$232K
Net Calls
+$204K
Net Calls Change
+$339K

CWT Hedge Fund Activity: Q1 2025 in Review

330 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in California Water Service (CWT) for Q1 2025, worth a combined $2.45B — up 10% from $2.23B a quarter earlier.

Buyers outnumbered sellers: 46 funds opened new CWT positions and 36 closed out — a net gain of 10 holders — while 122 added to existing stakes and 101 trimmed.

The largest buyer was Nuance Investments, adding an estimated $23.9M. The largest seller was First Trust Advisors, cutting an estimated $11.3M.

  • 330 institutional investors held California Water Service (CWT) as of Q1 2025, up from 323 in Q4 2024.
  • Funds reported $2.45B of California Water Service stock for Q1 2025, up 10% quarter-over-quarter.
  • 46 funds opened new California Water Service positions in Q1 2025 and 36 closed out, a net change of +10 holders.
  • The largest California Water Service buyer in Q1 2025 was Nuance Investments, an estimated $23.9M added.
  • The largest California Water Service seller in Q1 2025 was First Trust Advisors, an estimated $11.3M sold.

Based on aggregated 13F filings for Q1 2025.