As of October 29, 2026, American Water Works had a market cap of $28.26 billion, which increased by 1.73% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.
Note: Each point on the chart represents the market capitalization at the end of the trading day. Source: Data compiled from
EDGAR filings,
Bloomberg
and Yahoo Finance.
📈 American Water Works Market Cap History by Year and Month
American Water Works Market Cap History by Year and Month
Year / Month
Market Cap
% Change
2026
$28.26B
▲ 11.00%
$28.26B
▲ 9.83%
$25.73B
▼ 6.33%
$27.47B
▲ 3.04%
$26.66B
▲ 3.78%
$25.69B
▲ 6.73%
$24.07B
▼ 4.03%
$25.08B
▼ 5.61%
$26.57B
▲ 0.08%
$26.55B
▲ 5.36%
$25.2B
▼ 1.02%
2025
$25.46B
▲ 4.92%
$25.46B
▲ 0.32%
$25.38B
▲ 1.28%
$25.06B
▼ 7.73%
$27.16B
▼ 3.00%
$28B
▲ 2.34%
$27.36B
▲ 0.85%
$27.13B
▼ 2.69%
$27.88B
▼ 2.76%
$28.67B
▼ 0.35%
$28.77B
▲ 8.53%
$26.51B
▲ 9.14%
$24.29B
▲ 0.10%
2024
$24.266B
▼ 5.57%
$24.266B
▼ 9.08%
$26.688B
▼ 0.85%
$26.916B
▼ 5.56%
$28.501B
▲ 2.20%
$27.888B
▲ 0.53%
$27.74B
▲ 10.24%
$25.163B
▼ 1.23%
$25.477B
▲ 6.91%
$23.83B
▲ 0.09%
$23.809B
▲ 3.13%
$23.087B
▼ 4.40%
$24.15B
▼ 6.02%
2023
$25.698B
▼ 7.28%
$25.698B
▲ 0.11%
$25.669B
▲ 12.06%
$22.906B
▼ 4.98%
$24.106B
▼ 10.75%
$27.009B
▼ 5.89%
$28.7B
▲ 3.28%
$27.789B
▼ 1.16%
$28.116B
▼ 2.56%
$28.855B
▲ 1.20%
$28.513B
▲ 11.62%
$25.545B
▼ 10.24%
$28.459B
▲ 2.68%
2022
$27.715B
▼ 19.20%
$27.715B
▲ 0.43%
$27.595B
▲ 4.42%
$26.427B
▲ 11.66%
$23.667B
▼ 12.30%
$26.987B
▼ 4.49%
$28.257B
▲ 4.48%
$27.045B
▼ 1.62%
$27.49B
▼ 1.84%
$28.004B
▼ 6.92%
$30.085B
▲ 9.58%
$27.456B
▼ 5.98%
$29.203B
▼ 14.86%
2021
$34.299B
▲ 23.27%
$34.299B
▲ 12.08%
$30.602B
▼ 3.22%
$31.621B
▲ 3.04%
$30.688B
▼ 7.23%
$33.078B
▲ 7.14%
$30.875B
▲ 10.37%
$27.973B
▼ 0.56%
$28.131B
▼ 0.63%
$28.308B
▲ 4.05%
$27.206B
▲ 5.68%
$25.743B
▼ 10.71%
$28.83B
▲ 3.62%
2020
$27.824B
▲ 25.26%
$27.824B
▲ 0.08%
$27.803B
▲ 1.91%
$27.283B
▲ 3.89%
$26.262B
▲ 2.54%
$25.611B
▼ 4.02%
$26.685B
▲ 14.46%
$23.313B
▲ 1.40%
$22.99B
▲ 4.37%
$22.028B
▲ 1.78%
$21.643B
▼ 3.29%
$22.379B
▼ 9.12%
$24.626B
▲ 10.86%
2019
$22.213B
▲ 35.45%
$22.213B
▲ 1.52%
$21.88B
▼ 1.82%
$22.285B
▼ 0.77%
$22.457B
▼ 2.36%
$23B
▲ 10.92%
$20.735B
▲ 0.39%
$20.654B
▲ 2.64%
$20.123B
▲ 4.46%
$19.263B
▲ 2.35%
$18.82B
▲ 2.46%
$18.368B
▲ 6.26%
$17.286B
▲ 5.40%
2018
$16.4B
▲ 0.49%
$16.4B
▼ 4.82%
$17.231B
▲ 7.77%
$15.989B
▲ 0.70%
$15.878B
▲ 0.51%
$15.798B
▼ 0.82%
$15.928B
▲ 3.43%
$15.4B
▲ 4.03%
$14.803B
▼ 3.98%
$15.416B
▲ 5.43%
$14.622B
▲ 3.19%
$14.17B
▼ 4.52%
$14.841B
▼ 9.06%
2017
$16.32B
▲ 26.71%
$16.32B
▼ 0.07%
$16.332B
▲ 4.32%
$15.655B
▲ 8.53%
$14.425B
▲ 0.01%
$14.423B
▼ 0.25%
$14.459B
▲ 4.04%
$13.897B
▼ 0.24%
$13.931B
▼ 1.98%
$14.212B
▲ 2.82%
$13.822B
▼ 0.56%
$13.9B
▲ 6.27%
$13.08B
▲ 1.55%
2016
$12.88B
▲ 20.92%
$12.88B
▼ 0.16%
$12.9B
▼ 2.12%
$13.179B
▼ 1.07%
$13.322B
▲ 1.21%
$13.163B
▼ 10.40%
$14.691B
▼ 2.28%
$15.034B
▲ 14.17%
$13.168B
▲ 1.84%
$12.93B
▲ 5.53%
$12.252B
▲ 6.18%
$11.539B
▼ 0.29%
$11.572B
▲ 8.64%
2015
$10.652B
▲ 11.36%
$10.652B
▲ 2.76%
$10.366B
▲ 0.70%
$10.294B
▲ 4.08%
$9.89B
▲ 5.63%
$9.363B
▲ 0.06%
$9.357B
▲ 6.83%
$8.759B
▼ 7.94%
$9.514B
▼ 3.03%
$9.811B
▲ 0.59%
$9.753B
▲ 0.31%
$9.723B
▼ 3.49%
$10.075B
▲ 5.33%
2014
$9.565B
▲ 26.89%
$9.565B
▲ 0.56%
$9.512B
▼ 0.61%
$9.57B
▲ 10.69%
$8.646B
▼ 4.64%
$9.067B
▲ 5.95%
$8.558B
▼ 3.39%
$8.858B
▲ 1.79%
$8.702B
▲ 6.79%
$8.149B
▲ 0.28%
$8.126B
▲ 1.40%
$8.014B
▲ 5.53%
$7.594B
▲ 0.74%
2013
$7.538B
▲ 14.70%
$7.538B
▼ 0.16%
$7.55B
▼ 1.20%
$7.642B
▲ 3.93%
$7.353B
▲ 1.42%
$7.25B
▼ 4.53%
$7.594B
▲ 3.64%
$7.327B
▲ 3.24%
$7.097B
▼ 4.62%
$7.441B
▲ 1.09%
$7.361B
▲ 5.17%
$6.999B
▲ 3.31%
$6.775B
▲ 3.09%
2012
$6.572B
▲ 17.53%
$6.572B
▼ 2.59%
$6.747B
▲ 3.90%
$6.494B
▼ 0.67%
$6.538B
▲ 0.51%
$6.505B
▲ 1.70%
$6.396B
▲ 5.88%
$6.041B
▲ 0.22%
$6.028B
▼ 0.10%
$6.034B
▲ 0.72%
$5.991B
▼ 0.55%
$6.024B
▲ 1.67%
$5.925B
▲ 5.95%
2011
$5.592B
▲ 26.34%
$5.592B
▲ 2.55%
$5.453B
▲ 1.75%
$5.359B
▲ 1.17%
$5.297B
▲ 1.38%
$5.225B
▲ 6.35%
$4.913B
▼ 4.92%
$5.167B
▼ 1.82%
$5.263B
▲ 2.15%
$5.152B
▲ 4.74%
$4.919B
▲ 1.21%
$4.86B
▲ 8.90%
$4.463B
▲ 0.84%
2010
$4.426B
▲ 13.11%
$4.426B
▲ 3.27%
$4.286B
▲ 2.63%
$4.176B
▲ 2.63%
$4.069B
▲ 3.09%
$3.947B
▲ 5.65%
$3.736B
▲ 3.78%
$3.6B
▲ 1.32%
$3.553B
▼ 6.62%
$3.805B
▲ 0.11%
$3.801B
▼ 2.24%
$3.888B
▲ 2.13%
$3.807B
▼ 2.71%
2009
$3.913B
▲ 17.16%
$3.913B
▲ 0.77%
$3.883B
▲ 17.24%
$3.312B
▼ 4.88%
$3.482B
▼ 0.77%
$3.509B
▲ 1.98%
$3.441B
▲ 3.15%
$3.336B
▲ 20.65%
$2.765B
▼ 3.99%
$2.88B
▼ 6.43%
$3.078B
▲ 3.71%
$2.968B
▼ 12.40%
$3.388B
▲ 1.44%
2008
$3.34B
▲ 1.33%
$3.34B
▲ 2.96%
$3.244B
▼ 0.03%
$3.245B
▼ 5.67%
$3.44B
▼ 6.29%
$3.671B
▲ 19.23%
$3.079B
▼ 13.22%
$3.548B
▲ 3.14%
$3.44B
▲ 1.65%
$3.384B
▲ 2.67%
All market cap values reflect closing prices for the period shown.
📊 American Water Works Market Cap and Other Industry Peers
Below are selected companies from the Utilities sector / subsector: