How many institutions held CWT - CALIFORNIA WATER SERVICE GROUP - Common Shares, par value $0.01 in Q3 2023?

267 institutional investors reported CWT - CALIFORNIA WATER SERVICE GROUP - Common Shares, par value $0.01 for Q3 2023. Use the holders table for investor-level position and value details.

CALIFORNIA WATER SERVICE GROUP - Common Shares, par value $0.01 (CWT)

Q: What does CUSIP 130788102 represent in this 13F holders report?

CUSIP 130788102 is the security identifier for CWT - CALIFORNIA WATER SERVICE GROUP - Common Shares, par value $0.01 used to aggregate holder disclosures.

CUSIP: 130788102

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Common Shares, par value $0.01
Total 13F shares: 47,752,010
Total 13F value: $2,259,645,943
Share change: +1,061,180
Put/Call ratio: 720%
SEC-reported price per share: $47.31
Number of holders: 267
Value change: +$49,071,720
Number of buys: 124
Number of sells: 126
Shares outstanding: 61,871,955

Security key

130788102

Report period

Q3 2023

Institutions

267

Top holders

CWT full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 CALIFORNIA WATER SERVICE GROUP SEC filings CALIFORNIA WATER SERVICE GROUP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 130788102

Newer quarter: Q2 2026

Recent filing periods:

Q3 2026 Q2 2026

Ownership snapshot

Top reported holders of CWT - CALIFORNIA WATER SERVICE GROUP - Common Shares, par value $0.01 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

0/15

Latest evidence

30 Jun 2023

13F Highest disclosed value: $533,407,545 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. has the largest disclosed position value at $533.41M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Disclosed position value Top 5

BlackRock Finance, Inc. $533.41M

VANGUARD GROUP INC $352.57M

STATE STREET CORP $261.95M

T. Rowe Price Investment Manageme... $120.36M

NUANCE INVESTMENTS, LLC $87.58M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$533,407,545 10,331,349 shares	—	30 Jun 2023
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$352,565,781 6,828,700 shares	—	30 Jun 2023
STATE STREET CORP	13F Company 13F	— denominator unverified	$261,950,020 5,073,601 shares	—	30 Jun 2023
T. Rowe Price Investment Management, Inc.	13F Company 13F	— denominator unverified	$120,364,000 2,331,275 shares	—	30 Jun 2023
NUANCE INVESTMENTS, LLC	13F Company 13F	— denominator unverified	$87,581,133 1,696,323 shares	—	30 Jun 2023
Impax Asset Management Group plc	13F Company 13F	— denominator unverified	$78,658,563 1,523,505 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

267

47,752,010

Rows available

267

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q2 2026 Across Filers

Q2 2026 holders

345

Q3 2023 holders

267

Holder diff

-78

Investor	Q2 2026 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend