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California Water Service Group

corporate_fare Company Profile

California Water Service Group

CWT·NYSE·Energy & Transportation·CIK 0001035201

California Water Service Group provides water utility and other related services across California, Washington, New Mexico, Hawaii, and Texas. The company handles the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, as well as for fire protection. It serves approximately 500,000 customer connections across 20 districts in California. In Hawaii, it serves approximately 6,800 water and wastewater customer connections on the islands of Kauai, Maui, Oahu, and Hawaii. In Washington, the company serves approximately 38,500 customer connections in the Tacoma, Olympia, Graham, Spanaway, Puyallup, Rainier, Yelm, and Gig Harbor areas. In New Mexico, it serves approximately 11,800 water and wastewater customer connections in the Rio Communities, Rio Del Oro, Meadow Lake, Indian Hills, Squaw Valley, Elephant Butte, Morningstar, Sandia Knolls, Juan Tomas, Monterey, and Cypress Gardens systems. Beyond regulated water services, the company also offers non-regulated water-related services. These include operating municipally owned water systems, privately owned water, and recycled water distribution systems. It also provides water system operation, meter reading, and billing services to private companies and municipalities, leases communication antenna sites on its properties, and bills optional third-party insurance programs to its residential customers. Additionally, California Water Service Group provides wastewater collection and treatment services. The company was founded in 1926 and is headquartered in San Jose, California.

California Water Service Group (NYSE:CWT) is a publicly traded company in the Energy & Transportation sector. Wiseek has independently scored 12 items for CWT at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-07-30, rated 7/10. Across its 12 most recent items scored 7 or higher, the top rating is 9/10, with 6 rated 8 or above. Recent SEC coverage for CWT spans 10-Q, 8-K, DEFA14A, DEF 14A.

Recent high-impact activity:

  • Rate Case Approval Drives California Water Service Q2 Earnings Surge; ATM Dilution Continues
  • California Water Service Group Reports Strong Q2 2026 Earnings, Driven by Rate Case Resolution and Record Infrastructure Investment
  • California Water Service Q2 Revenue Beats by $30M on Retroactive Rate Hikes
  • California Water Service Completes Palm Mutual Water Company Acquisition
  • CPUC Finalizes Favorable Rate Case, Approving $90.5M Revenue Increase & $1.45B Infrastructure Investment

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$963.7M
Net Income
$128.21M
Diluted EPS
$2.15
Op. Cash Flow
$302.56M
Operating Income
$170.37M
Cash & Equivalents
$51.82M
Total Debt
$1.47B
Debt / Equity
0.87×
Net Margin
13.3%
Shares Outstanding
59.64M sh
Source: 10-K · filed 2026-02-26 · accession 0001628280-26-012444

Short Interest & Short Volume

4.29 days to cover

FINRA reported short interest of 2,415,232 shares in CWT as of the September 15, 2026 settlement, a 0.6% decrease from the prior period — about 4.3 days to cover at its recent average daily volume. On October 2, 2026, 53.7% of CWT volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)2,415,232 shares as of September 15, 2026
Change vs prior period▼ 0.6%
Days to cover4.29 at avg daily volume of 563,490
Daily short volume (FINRA facilities)53.7% of 128,623 shares on October 2, 2026
5-day average short volume47.6%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Dilution Risk

Low risk

Filing-implied dilution signals for CWT, detected from its recent SEC filings · based on capital-structure filings through 2026-05-01.

1 recent capital raise

⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.

A filing-implied signal, not a realized share count. How Wiseek tracks dilution →

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$45.96
52-week range · as of 2026-07-30 $41.29 – $53.82
Market cap
$2.84B
Volume
427.4K (0.9× avg)
3-mo avg 467K
Live data · 2026-10-05 05:09 UTC · Market overnight

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feed CWT - Latest Insights

CWT
Jul 30, 2026, 3:05 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $51.13
Real-time Price: $45.96 info
Change: -$5.16 (-10%) info
Market Cap: $2.842B info
CWT
Jul 29, 2026, 9:47 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $51.73
Real-time Price: $45.96 info
Change: -$5.77 (-11%) info
Market Cap: $2.842B info
CWT
Jul 29, 2026, 8:54 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $51.73
Real-time Price: $45.96 info
Change: -$5.77 (-11%) info
Market Cap: $2.842B info
CWT
Jul 01, 2026, 4:15 PM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $49.04
Real-time Price: $45.96 info
Change: -$3.08 (-6%) info
Market Cap: $2.842B info
CWT
May 01, 2026, 9:15 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $42.60
Real-time Price: $45.96 info
Change: +$3.36 (+8%) info
Market Cap: $2.842B info
CWT
Apr 30, 2026, 1:04 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $44.43
Real-time Price: $45.96 info
Change: +$1.54 (+3%) info
Market Cap: $2.842B info
CWT
Apr 29, 2026, 11:05 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $45.38
Real-time Price: $45.96 info
Change: +$0.580 (+1%) info
Market Cap: $2.842B info
CWT
Apr 29, 2026, 9:41 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $45.38
Real-time Price: $45.96 info
Change: +$0.580 (+1%) info
Market Cap: $2.842B info
CWT
Apr 16, 2026, 7:45 PM EDT
Filing Type: DEFA14A
Importance Score:
7
Price at Filing: $45.93
Real-time Price: $45.96 info
Change: +$0.030 (+0.07%) info
Market Cap: $2.842B info
CWT
Apr 08, 2026, 9:15 AM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $45.71
Real-time Price: $45.96 info
Change: +$0.250 (+0.55%) info
Market Cap: $2.842B info
CWT
Feb 25, 2026, 4:20 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $46.64
Real-time Price: $45.96 info
Change: -$0.680 (-1%) info
Market Cap: $2.842B info
CWT
Jan 28, 2026, 5:21 PM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $43.62
Real-time Price: $45.96 info
Change: +$2.34 (+5%) info
Market Cap: $2.842B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets