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California Water Service
337 hedge funds and large institutions have $2.32B invested in California Water Service in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 140 increasing their positions, 88 reducing their positions, and 32 closing their positions.
New
Increased
Maintained
Reduced
Closed
59% more repeat investments, than reductions
Existing positions increased: 140 | Existing positions reduced: 88
41% more first-time investments, than exits
New positions opened: 45 | Existing positions closed: 32
7% more capital invested
Capital invested by funds: $2.17B → $2.32B (+$153M)
2% more funds holding
Funds holding: 330 → 337 (+7)
1.93% more ownership
Funds ownership: 84.1% → 86.03% (+1.9%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
61% less call options, than puts
Call options by funds: $32K | Put options by funds: $82K
Holders
337
Holders Change
+7
Holders Change %
+2.12%
% of All Funds
4.15%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
45
Increased
140
Reduced
88
Closed
32
Calls
$32K
Puts
$82K
Net Calls
-$50K
Net Calls Change
-$3.2M
Top Buyers
| 1 |
Amundi
Paris,
France
|
+$32.8M |
| 2 |
Morgan Stanley
New York
|
+$15.8M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$11.5M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$9.33M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$7.93M |
Top Sellers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$18.2M |
| 2 |
BlackRock
New York
|
-$16.7M |
| 3 |
ECM
ExodusPoint Capital Management
New York
|
-$10.3M |
| 4 |
NI
Nuance Investments
Kansas City,
Missouri
|
-$9.94M |
| 5 |
ACA
Aptus Capital Advisors
Fairhope,
Alabama
|
-$7.76M |
