CWTCalifornia Water Service Group

$45.93+3.2% 1Y
Latest close: back above its 200-day averageOct 9, 2026what changed →

Who owns CWT

343 institutions reported holding CWT for 2026Q2, together 93% of the company, more than the 338 a quarter earlier.

343

Institutions reporting a position · as of 2026Q2 · up from 338 the quarter before

Shares held by institutions
55.3M

Shares held by institutions · 93% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.70B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
48%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
51
Positions exited
46
Added to
123
Reduced
87
Top 10 holdersof the company
60%
Shares sold shortsettled Sep 15, 2026
2.4M
Short interestof shares outstanding
4.0%
Days to coverat the average daily volume
4.3
Change in the short positionsince the Aug 31, 2026 count
−0.58%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q234355.3M$2.70B
2026Q133851.3M$2.32B
2025Q432950.1M$2.17B
2025Q333550.1M$2.30B
2025Q233350.3M$2.35B
2025Q132750.5M$2.45B
2024Q432049.1M$2.23B
2024Q332148.5M$2.63B
2024Q229848.4M$2.34B
2024Q127448.8M$2.27B
2023Q428347.7M$2.47B
2023Q326947.8M$2.26B
2023Q228447.1M$2.43B
2023Q129744.9M$2.61B
2022Q429345.0M$2.73B
2022Q327943.9M$2.31B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.10.8M18%$523M
VANGUARD GROUP INC7.6M13%$370M
T. Rowe Price Investment Management, Inc.3.5M5.9%$171M
Amundi Group3.5M5.8%$170M
STATE STREET CORP3.3M5.5%$159M
ATLAS Infrastructure Partners (UK) Ltd.2.0M3.3%$97M
GEODE CAPITAL MANAGEMENT LLC1.6M2.6%$76M
FIRST TRUST ADVISORS LP1.3M2.2%$63M
FMR LLC1.3M2.1%$62M
DIMENSIONAL FUND ADVISORS LP1.2M2.0%$57M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20262.4M4.0%4.3
Aug 31, 20262.4M4.1%5.2
Aug 14, 20261.4M2.4%3.1
Jul 31, 20261.8M3.0%3.5
Jul 15, 20262.1M3.5%5.0
Jun 30, 20262.0M3.3%2.8
Jun 15, 20261.8M3.0%3.3
May 29, 20261.9M3.2%3.3
May 15, 20261.6M2.8%3.8
Apr 30, 20261.4M2.4%1.8
Apr 15, 20261.4M2.4%3.7
Mar 31, 20261.3M2.1%2.5

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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