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California Water Service

326 hedge funds and large institutions have $2.17B invested in California Water Service in 2025 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 98 increasing their positions, 129 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

3% less funds holding

Funds holding: 335326 (-9)

6% less capital invested

Capital invested by funds: $2.3B → $2.17B (-$127M)

24% less repeat investments, than reductions

Existing positions increased: 98 | Existing positions reduced: 129

Holders
326
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.16M
Puts
$9K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
QC
176
Quadrature Capital
United Kingdom
$365K
ET
177
Entropy Technologies
New York
$358K
GAA
178
Green Alpha Advisors
Colorado
$353K
MM
179
MQS Management
New York
$336K
Public Employees Retirement Association of Colorado
180
Public Employees Retirement Association of Colorado
Colorado
$335K
BC
181
Blackhill Capital
New Jersey
$329K
SIS
182
Sound Income Strategies
Florida
$329K
GT
183
Glenmede Trust
Pennsylvania
$329K
Baird Financial Group
184
Baird Financial Group
Wisconsin
$322K
CCM
185
Cullen Capital Management
New York
$309K
WA
186
Wealth Architects
California
$306K
SO
187
STRS Ohio
Ohio
$299K
KF
188
Ketron Financial
California
$299K
DZ Bank
189
DZ Bank
Germany
$296K
MOACM
190
Mutual of America Capital Management
New York
$295K
PA
191
PharVision Advisers
Florida
$293K
MCM
192
Maple Capital Management
Vermont
$289K
PI
193
PFG Investments
New York
$287K
HCM
194
Hutchinson Capital Management
California
$286K
SOAMC
195
Spirit of America Management Corp
New York
$282K
EM
196
ELCO Management
New York
$280K
AG
197
Algert Global
California
$271K
TPWA
198
TRUE Private Wealth Advisors
Oregon
$269K
MMPW
199
Mitchell McLeod Pugh & Williams
Alabama
$267K
LCM
200
Legato Capital Management
California
$264K