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California Water Service
CWT

Overview Fund Activity

331 hedge funds and large institutions have $2.29B invested in California Water Service in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 124 increasing their positions, 115 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
331
Holders Change
+5
Holders Change %
+1.53%
% of All Funds
4.44%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
42
Increased
124
Reduced
115
Closed
31
Calls
$90K
Puts
$118K
Net Calls
-$28K
Net Calls Change
-$232K

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$47.9M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$149M
3
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
$5.85M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
$4.55M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$6.74M

Top Sellers

1
BlackRock
BlackRock
New York
$472M
2
NI
Nuance Investments
Missouri
$78.6M
3
Northern Trust
Northern Trust
Illinois
$32.4M
4
Goldman Sachs
Goldman Sachs
New York
$10.3M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Renaissance Technologies
26
Renaissance Technologies
New York
$12.8M +$3.44M +75,600 +37%
Victory Capital Management
27
Victory Capital Management
Texas
$12.3M +$701K +15,406 +6%
JPMorgan Chase & Co
28
JPMorgan Chase & Co
New York
$11M -$706K -15,534 -6%
Goldman Sachs
29
Goldman Sachs
New York
$10.3M -$10.3M -226,635 -50%
Public Sector Pension Investment Board (PSP Investments)
30
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$9.24M +$660K +14,521 +8%
RhumbLine Advisers
31
RhumbLine Advisers
Massachusetts
$8.59M +$49.1K +1,080 +0.6%
Ameriprise
32
Ameriprise
Minnesota
$8.03M -$284K -6,255 -3%
UBS Group
33
UBS Group
Switzerland
$7.79M +$2.26M +49,690 +41%
Bank of America
34
Bank of America
North Carolina
$7.4M +$2.35M +51,757 +47%
ACA
35
Aptus Capital Advisors
Alabama
$7.04M +$636K +13,980 +10%
TAM
36
Thematics Asset Management
France
$7.03M – – –
ProShare Advisors
37
ProShare Advisors
Maryland
$6.78M -$839K -18,449 -11%
T. Rowe Price Associates
38
T. Rowe Price Associates
Maryland
$6.74M +$4.09M +89,847 +154%
Jane Street
39
Jane Street
New York
$6.37M +$755K +16,610 +13%
Barclays
40
Barclays
United Kingdom
$6.26M +$1.29M +28,416 +26%
Royal Bank of Canada
41
Royal Bank of Canada
Ontario, Canada
$5.85M +$4.69M +103,076 +405%
Canada Life
42
Canada Life
Manitoba, Canada
$5.83M +$56.2K +1,234 +1%
COPPSERS
43
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$5.22M +$48.3K +1,062 +0.9%
American Century Companies
44
American Century Companies
Missouri
$5.21M +$474K +10,426 +10%
Swiss National Bank
45
Swiss National Bank
Switzerland
$5.17M -$77.3K -1,700 -1%
AllianceBernstein
46
AllianceBernstein
Tennessee
$4.97M +$402K +8,839 +9%
NAAA
47
New Age Alpha Advisors
New York
$4.75M -$476K -10,467 -9%
NAMM
48
NorthStar Asset Management (Massachusetts)
Massachusetts
$4.65M +$32.2K +709 +0.7%
Adage Capital Partners
49
Adage Capital Partners
Massachusetts
$4.55M +$4.55M +100,000 New
Federated Hermes
50
Federated Hermes
Pennsylvania
$4.42M +$2.21M +48,697 +100%
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