TotalMarketCap

American Water Works

AWKNYSE United StatesUtilitiesWater Supply

Market cap

$25.445 B

$128.04 +0.16%

Close of 7 Oct 2026

As of 7 Oct 2026, American Water Works (AWK) has a market capitalization of $25.4B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$5.12B

#662 by revenue

Earnings

$1.11B

#354 by earnings

Shares outstanding

198,728,989

Latest filing cover page

P/E ratio

22.9

Cap ÷ net income

Water Supply, ranked by market cap

All 13 →
  1. #1American Water WorksAWK$25.4B
  2. #2Companhia De Saneamento Basico Do Estado De Sao Paulo-SabespSBS$22.6B
  3. #3Essential UtilitiesWTRG$11.0B
  4. #4American States WaterAWR$3.23B
  5. #5California Water Service GroupCWT$2.82B

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Where these numbers come from

Share counts and financials for American Water Works are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 8 Oct 2026. Read the methodology.