Williams Companies (WMB) Market Cap 1985–2026

As of November 13, 2026, Williams Companies had a market cap of $86.43 billion, which decreased by 0.51% 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.

Data updated: Nov 13, 2026, 4:00 PM ET

Williams Companies Inc. (WMB)

🌍 United States 📈 NYSE 🏭 Energy 🏢 Oil, Gas & Consumable Fuels

Latest Market Cap

$86.43B ▼ 0.51%

Start of 2026

$73.41B ▲ 17.74%

1 Year Ago

$72.77B ▲ 18.77%

All-Time High

$97.11B ▼ 11.00%

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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.

📈 Williams Companies Market Cap History by Year and Month

Williams Companies Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$86.43B	▲ 17.74%
November 13, 2026	$86.43B	▼ 4.95%
October 30, 2026	$90.93B	▲ 9.38%
September 30, 2026	$83.13B	▼ 9.43%
August 31, 2026	$91.79B	▲ 4.91%
July 31, 2026	$87.49B	▼ 3.77%
June 30, 2026	$90.92B	▲ 4.13%
May 29, 2026	$87.31B	▼ 6.34%
April 30, 2026	$93.22B	▲ 4.85%
March 31, 2026	$88.91B	▼ 2.63%
February 27, 2026	$91.31B	▲ 11.16%
January 30, 2026	$82.14B	▲ 11.89%
2025	$73.41B	▲ 11.27%
December 31, 2025	$73.41B	▼ 1.34%
November 28, 2025	$74.41B	▲ 5.29%
October 31, 2025	$70.67B	▼ 8.65%
September 30, 2025	$77.36B	▲ 9.45%
August 29, 2025	$70.68B	▼ 3.44%
July 31, 2025	$73.2B	▼ 4.55%
June 30, 2025	$76.691B	▲ 3.80%
May 30, 2025	$73.883B	▲ 3.31%
April 30, 2025	$71.514B	▼ 1.99%
March 31, 2025	$72.967B	▲ 2.72%
February 28, 2025	$71.038B	▲ 5.13%
January 31, 2025	$67.569B	▲ 2.42%
2024	$65.972B	▲ 55.77%
December 31, 2024	$65.972B	▼ 7.52%
November 29, 2024	$71.336B	▲ 11.74%
October 31, 2024	$63.839B	▲ 14.72%
September 30, 2024	$55.647B	▼ 0.26%
August 30, 2024	$55.794B	▲ 6.59%
July 31, 2024	$52.344B	▲ 1.04%
June 28, 2024	$51.808B	▲ 2.38%
May 31, 2024	$50.601B	▲ 8.21%
April 30, 2024	$46.761B	▼ 1.48%
March 28, 2024	$47.465B	▲ 8.52%
February 29, 2024	$43.739B	▲ 3.78%
January 31, 2024	$42.147B	▼ 0.49%
2023	$42.353B	▲ 5.69%
December 29, 2023	$42.353B	▼ 5.33%
November 30, 2023	$44.737B	▲ 6.95%
October 31, 2023	$41.83B	▲ 2.11%
September 29, 2023	$40.967B	▼ 2.43%
August 31, 2023	$41.988B	▲ 0.23%
July 31, 2023	$41.891B	▲ 5.49%
June 30, 2023	$39.711B	▲ 13.76%
May 31, 2023	$34.908B	▼ 5.37%
April 28, 2023	$36.887B	▲ 1.34%
March 31, 2023	$36.399B	▼ 0.80%
February 28, 2023	$36.692B	▼ 6.56%
January 31, 2023	$39.268B	▼ 2.01%
2022	$40.072B	▲ 26.66%
December 30, 2022	$40.072B	▼ 5.19%
November 30, 2022	$42.265B	▲ 6.02%
October 31, 2022	$39.865B	▲ 14.32%
September 30, 2022	$34.871B	▼ 15.94%
August 31, 2022	$41.483B	▼ 0.18%
July 29, 2022	$41.556B	▲ 9.32%
June 30, 2022	$38.014B	▼ 15.79%
May 31, 2022	$45.139B	▲ 8.08%
April 29, 2022	$41.765B	▲ 2.72%
March 31, 2022	$40.66B	▲ 6.81%
February 28, 2022	$38.068B	▲ 4.65%
January 31, 2022	$36.377B	▲ 14.98%
2021	$31.639B	▲ 30.09%
December 31, 2021	$31.639B	▼ 2.80%
November 30, 2021	$32.55B	▼ 4.63%
October 29, 2021	$34.129B	▲ 8.38%
September 30, 2021	$31.491B	▲ 4.98%
August 31, 2021	$29.998B	▼ 1.44%
July 30, 2021	$30.436B	▼ 5.57%
June 30, 2021	$32.232B	▲ 0.71%
May 28, 2021	$32.003B	▲ 8.13%
April 30, 2021	$29.597B	▲ 2.91%
March 31, 2021	$28.76B	▲ 3.64%
February 26, 2021	$27.751B	▲ 7.76%
January 29, 2021	$25.752B	▲ 5.89%
2020	$24.321B	▼ 15.40%
December 31, 2020	$24.321B	▼ 4.51%
November 30, 2020	$25.47B	▲ 9.33%
October 30, 2020	$23.297B	▼ 2.26%
September 30, 2020	$23.835B	▼ 5.42%
August 31, 2020	$25.203B	▲ 8.52%
July 31, 2020	$23.224B	▲ 0.66%
June 30, 2020	$23.071B	▼ 6.90%
May 29, 2020	$24.782B	▲ 5.47%
April 30, 2020	$23.496B	▲ 36.89%
March 31, 2020	$17.164B	▼ 25.72%
February 28, 2020	$23.108B	▼ 7.85%
January 31, 2020	$25.076B	▼ 12.77%
2019	$28.749B	▲ 7.66%
December 31, 2019	$28.749B	▲ 4.40%
November 29, 2019	$27.537B	▲ 1.84%
October 31, 2019	$27.04B	▼ 7.27%
September 30, 2019	$29.161B	▲ 1.95%
August 30, 2019	$28.603B	▼ 4.22%
July 31, 2019	$29.864B	▼ 12.13%
June 28, 2019	$33.984B	▲ 6.29%
May 31, 2019	$31.973B	▼ 6.88%
April 30, 2019	$34.336B	▼ 1.36%
March 29, 2019	$34.809B	▲ 7.61%
February 28, 2019	$32.348B	▼ 0.81%
January 31, 2019	$32.612B	▲ 22.13%
2018	$26.703B	▲ 5.93%
December 31, 2018	$26.703B	▼ 12.91%
November 30, 2018	$30.663B	▲ 4.07%
October 31, 2018	$29.464B	▼ 10.44%
September 28, 2018	$32.9B	▼ 8.11%
August 31, 2018	$35.804B	▲ 45.35%
July 31, 2018	$24.632B	▲ 9.77%
June 29, 2018	$22.44B	▲ 0.94%
May 31, 2018	$22.231B	▲ 4.40%
April 30, 2018	$21.294B	▲ 3.50%
March 29, 2018	$20.574B	▼ 10.45%
February 28, 2018	$22.974B	▼ 11.39%
January 31, 2018	$25.928B	▲ 2.86%
2017	$25.208B	▲ 7.81%
December 29, 2017	$25.208B	▲ 4.96%
November 30, 2017	$24.017B	▲ 1.93%
October 31, 2017	$23.562B	▼ 5.02%
September 29, 2017	$24.808B	▲ 0.94%
August 31, 2017	$24.576B	▼ 6.45%
July 31, 2017	$26.271B	▲ 5.04%
June 30, 2017	$25.011B	▲ 5.84%
May 31, 2017	$23.631B	▼ 6.63%
April 28, 2017	$25.309B	▲ 3.55%
March 31, 2017	$24.441B	▲ 4.39%
February 28, 2017	$23.415B	▼ 0.51%
January 31, 2017	$23.535B	▲ 0.66%
2016	$23.381B	▲ 21.46%
December 30, 2016	$23.381B	▲ 1.43%
November 30, 2016	$23.051B	▲ 5.14%
October 31, 2016	$21.925B	▼ 4.87%
September 30, 2016	$23.048B	▲ 9.89%
August 31, 2016	$20.973B	▲ 16.56%
July 29, 2016	$17.993B	▲ 10.92%
June 30, 2016	$16.222B	▼ 2.46%
May 31, 2016	$16.632B	▲ 14.37%
April 29, 2016	$14.542B	▲ 20.66%
March 31, 2016	$12.053B	▲ 0.49%
February 29, 2016	$11.994B	▼ 17.03%
January 29, 2016	$14.456B	▼ 24.90%
2015	$19.249B	▼ 42.66%
December 31, 2015	$19.249B	▼ 29.78%
November 30, 2015	$27.411B	▼ 7.30%
October 30, 2015	$29.571B	▲ 7.14%
September 30, 2015	$27.601B	▼ 23.62%
August 31, 2015	$36.136B	▼ 8.16%
July 31, 2015	$39.345B	▼ 8.47%
June 30, 2015	$42.985B	▲ 12.32%
May 29, 2015	$38.272B	▼ 0.18%
April 30, 2015	$38.339B	▲ 1.32%
March 31, 2015	$37.841B	▲ 3.16%
February 27, 2015	$36.682B	▲ 11.96%
January 30, 2015	$32.763B	▼ 2.40%
2014	$33.57B	▲ 27.43%
December 31, 2014	$33.57B	▼ 13.21%
November 28, 2014	$38.681B	▼ 6.77%
October 31, 2014	$41.492B	▲ 0.35%
September 30, 2014	$41.346B	▼ 6.92%
August 29, 2014	$44.42B	▲ 4.96%
July 31, 2014	$42.32B	▼ 2.67%
June 30, 2014	$43.483B	▲ 35.07%
May 30, 2014	$32.192B	▲ 11.36%
April 30, 2014	$28.908B	▲ 4.00%
March 31, 2014	$27.797B	▼ 1.79%
February 28, 2014	$28.304B	▲ 2.35%
January 31, 2014	$27.655B	▲ 4.98%
2013	$26.343B	▲ 18.15%
December 31, 2013	$26.343B	▲ 9.44%
November 29, 2013	$24.07B	▼ 1.37%
October 31, 2013	$24.405B	▼ 1.73%
September 30, 2013	$24.834B	▲ 0.30%
August 30, 2013	$24.759B	▲ 6.06%
July 31, 2013	$23.345B	▲ 5.31%
June 28, 2013	$22.167B	▼ 7.70%
May 31, 2013	$24.017B	▼ 7.64%
April 30, 2013	$26.005B	▲ 1.70%
March 28, 2013	$25.569B	▲ 7.95%
February 28, 2013	$23.687B	▼ 0.76%
January 31, 2013	$23.869B	▲ 7.06%
2012	$22.296B	▲ 40.53%
December 31, 2012	$22.296B	▲ 8.22%
November 30, 2012	$20.602B	▼ 6.14%
October 31, 2012	$21.95B	▲ 0.19%
September 28, 2012	$21.908B	▲ 8.37%
August 31, 2012	$20.216B	▲ 1.51%
July 31, 2012	$19.915B	▲ 10.45%
June 29, 2012	$18.031B	▼ 5.60%
May 31, 2012	$19.101B	▼ 10.29%
April 30, 2012	$21.291B	▲ 16.11%
March 30, 2012	$18.337B	▲ 3.33%
February 29, 2012	$17.746B	▲ 4.19%
January 31, 2012	$17.033B	▲ 7.36%
2011	$15.866B	▲ 34.58%
December 30, 2011	$15.866B	▲ 2.29%
November 30, 2011	$15.51B	▲ 7.21%
October 31, 2011	$14.467B	▲ 24.00%
September 30, 2011	$11.667B	▼ 9.96%
August 31, 2011	$12.957B	▼ 14.73%
July 29, 2011	$15.195B	▲ 4.79%
June 30, 2011	$14.5B	▼ 3.66%
May 31, 2011	$15.05B	▼ 5.18%
April 29, 2011	$15.873B	▲ 6.38%
March 31, 2011	$14.92B	▲ 2.59%
February 28, 2011	$14.543B	▲ 12.99%
January 31, 2011	$12.871B	▲ 9.18%
2010	$11.789B	▲ 17.67%
December 31, 2010	$11.789B	▲ 8.42%
November 30, 2010	$10.874B	▲ 6.04%
October 29, 2010	$10.254B	▲ 12.71%
September 30, 2010	$9.098B	▲ 5.28%
August 31, 2010	$8.641B	▼ 6.59%
July 30, 2010	$9.251B	▲ 6.30%
June 30, 2010	$8.703B	▼ 7.49%
May 28, 2010	$9.407B	▼ 16.35%
April 30, 2010	$11.245B	▲ 2.26%
March 31, 2010	$10.997B	▲ 7.32%
February 26, 2010	$10.248B	▲ 3.47%
January 29, 2010	$9.904B	▼ 1.14%
2009	$10.019B	▲ 46.67%
December 31, 2009	$10.019B	▲ 5.96%
November 30, 2009	$9.455B	▲ 5.52%
October 30, 2009	$8.961B	▲ 5.51%
September 30, 2009	$8.493B	▲ 8.70%
August 31, 2009	$7.813B	▼ 1.50%
July 31, 2009	$7.932B	▲ 7.10%
June 30, 2009	$7.406B	▼ 6.67%
May 29, 2009	$7.935B	▲ 19.01%
April 30, 2009	$6.668B	▲ 24.09%
March 31, 2009	$5.373B	▲ 0.71%
February 27, 2009	$5.336B	▼ 20.07%
January 30, 2009	$6.675B	▼ 2.28%
2008	$6.831B	▼ 60.04%
December 31, 2008	$6.831B	▼ 10.73%
November 28, 2008	$7.651B	▼ 22.65%
October 31, 2008	$9.892B	▼ 11.23%
September 30, 2008	$11.144B	▼ 23.21%
August 29, 2008	$14.511B	▼ 3.62%
July 31, 2008	$15.056B	▼ 20.87%
June 30, 2008	$19.026B	▲ 4.99%
May 30, 2008	$18.123B	▲ 7.15%
April 30, 2008	$16.913B	▲ 7.72%
March 31, 2008	$15.701B	▼ 8.60%
February 29, 2008	$17.178B	▲ 12.48%
January 31, 2008	$15.272B	▼ 10.65%
2007	$17.092B	▲ 34.61%
December 31, 2007	$17.092B	▲ 1.77%
November 30, 2007	$16.794B	▼ 4.88%
October 31, 2007	$17.656B	▲ 5.94%
September 28, 2007	$16.666B	▲ 9.87%
August 31, 2007	$15.169B	▼ 3.88%
July 31, 2007	$15.78B	▲ 2.23%
June 29, 2007	$15.437B	▼ 0.44%
May 31, 2007	$15.505B	▲ 7.66%
April 30, 2007	$14.402B	▲ 3.83%
March 30, 2007	$13.871B	▲ 5.52%
February 28, 2007	$13.145B	▲ 0.05%
January 31, 2007	$13.138B	▲ 3.46%
2006	$12.698B	▲ 17.32%
December 29, 2006	$12.698B	▼ 5.91%
November 30, 2006	$13.495B	▲ 13.63%
October 31, 2006	$11.876B	▲ 2.44%
September 29, 2006	$11.594B	▼ 3.09%
August 31, 2006	$11.963B	▲ 1.57%
July 31, 2006	$11.778B	▲ 3.86%
June 30, 2006	$11.34B	▲ 3.42%
May 31, 2006	$10.965B	▲ 3.08%
April 28, 2006	$10.637B	▲ 2.52%
March 31, 2006	$10.375B	▼ 0.78%
February 28, 2006	$10.456B	▼ 6.17%
January 31, 2006	$11.144B	▲ 2.96%
2005	$10.823B	▲ 46.06%
December 30, 2005	$10.823B	▲ 7.77%
November 30, 2005	$10.043B	▼ 3.59%
October 31, 2005	$10.417B	▼ 10.96%
September 30, 2005	$11.699B	▲ 11.77%
August 31, 2005	$10.467B	▲ 5.78%
July 29, 2005	$9.895B	▲ 11.79%
June 30, 2005	$8.852B	▲ 3.33%
May 31, 2005	$8.567B	▲ 8.23%
April 29, 2005	$7.916B	▼ 9.52%
March 31, 2005	$8.748B	▼ 0.03%
February 28, 2005	$8.75B	▲ 14.44%
January 31, 2005	$7.647B	▲ 3.19%
2004	$7.41B	▲ 78.63%
December 31, 2004	$7.41B	▼ 2.01%
November 30, 2004	$7.562B	▲ 41.75%
October 29, 2004	$5.335B	▲ 3.39%
September 30, 2004	$5.16B	▲ 1.91%
August 31, 2004	$5.063B	▼ 2.14%
July 30, 2004	$5.174B	▲ 2.10%
June 30, 2004	$5.067B	▲ 0.41%
May 28, 2004	$5.047B	▲ 15.63%
April 30, 2004	$4.365B	▲ 7.63%
March 31, 2004	$4.055B	▲ 1.16%
February 27, 2004	$4.009B	▼ 6.41%
January 30, 2004	$4.284B	▲ 3.26%
2003	$4.148B	▲ 264.76%
December 31, 2003	$4.148B	▲ 4.69%
November 28, 2003	$3.962B	▼ 8.04%
October 31, 2003	$4.309B	▲ 8.32%
September 30, 2003	$3.978B	▲ 3.19%
August 29, 2003	$3.855B	▲ 43.78%
July 31, 2003	$2.681B	▼ 19.58%
June 30, 2003	$3.334B	▼ 0.13%
May 30, 2003	$3.338B	▲ 13.81%
April 30, 2003	$2.933B	▲ 51.78%
March 31, 2003	$1.933B	▲ 20.22%
February 28, 2003	$1.607B	▲ 17.78%
January 31, 2003	$1.365B	▲ 20.00%
2002	$1.137B	▼ 89.40%
December 31, 2002	$1.137B	▲ 0.38%
November 29, 2002	$1.133B	▲ 43.09%
October 31, 2002	$0.792B	▼ 16.79%
September 30, 2002	$0.952B	▼ 29.82%
August 30, 2002	$1.356B	▲ 9.15%
July 31, 2002	$1.242B	▼ 50.73%
June 28, 2002	$2.521B	▼ 57.82%
May 31, 2002	$5.977B	▼ 25.65%
April 30, 2002	$8.039B	▼ 18.88%
March 28, 2002	$9.911B	▲ 52.49%
February 28, 2002	$6.499B	▼ 12.53%
January 31, 2002	$7.43B	▼ 30.72%
2001	$10.724B	▼ 18.45%
December 31, 2001	$10.724B	▼ 4.47%
November 30, 2001	$11.226B	▼ 7.45%
October 31, 2001	$12.129B	▲ 12.37%
September 28, 2001	$10.794B	▼ 16.13%
August 31, 2001	$12.87B	▼ 2.84%
July 31, 2001	$13.245B	▲ 1.75%
June 29, 2001	$13.017B	▼ 16.37%
May 31, 2001	$15.565B	▼ 6.57%
April 30, 2001	$16.659B	▲ 7.49%
March 30, 2001	$15.498B	▲ 2.76%
February 28, 2001	$15.082B	▲ 14.99%
January 31, 2001	$13.116B	▼ 0.27%
2000	$13.151B	▲ 30.47%
December 29, 2000	$13.151B	▲ 12.90%
November 30, 2000	$11.648B	▼ 15.40%
October 31, 2000	$13.768B	▼ 1.65%
September 29, 2000	$14B	▼ 8.28%
August 31, 2000	$15.263B	▲ 10.33%
July 31, 2000	$13.834B	▲ 0.17%
June 30, 2000	$13.811B	▲ 0.51%
May 31, 2000	$13.741B	▲ 10.83%
April 28, 2000	$12.398B	▼ 14.64%
March 31, 2000	$14.523B	▲ 5.32%
February 29, 2000	$13.79B	▲ 7.21%
January 31, 2000	$12.862B	▲ 27.61%
1999	$10.079B	▲ 0.83%
December 31, 1999	$10.079B	▼ 8.19%
November 30, 1999	$10.979B	▼ 10.00%
October 29, 1999	$12.199B	▼ 0.33%
September 30, 1999	$12.24B	▼ 8.64%
August 31, 1999	$13.397B	▼ 1.93%
July 30, 1999	$13.661B	▼ 1.17%
June 30, 1999	$13.824B	▼ 17.45%
May 28, 1999	$16.747B	▲ 9.66%
April 30, 1999	$15.272B	▲ 19.62%
March 31, 1999	$12.767B	▲ 7.65%
February 26, 1999	$11.859B	▲ 12.12%
January 29, 1999	$10.577B	▲ 5.81%
1998	$9.996B	▲ 46.38%
December 31, 1998	$9.996B	▲ 8.39%
November 30, 1998	$9.222B	▲ 5.25%
October 30, 1998	$8.762B	▼ 4.78%
September 30, 1998	$9.202B	▲ 25.94%
August 31, 1998	$7.307B	▼ 28.40%
July 31, 1998	$10.205B	▼ 4.81%
June 30, 1998	$10.722B	▲ 4.42%
May 29, 1998	$10.268B	▲ 1.96%
April 30, 1998	$10.07B	▼ 0.59%
March 31, 1998	$10.13B	▲ 28.84%
February 27, 1998	$7.862B	▲ 15.13%
January 30, 1998	$6.829B	— 0.00%
1997	$6.829B	▲ 54.53%
December 31, 1997	$6.829B	▲ 7.26%
November 28, 1997	$6.367B	▲ 4.91%
October 31, 1997	$6.069B	▲ 8.81%
September 30, 1997	$5.577B	▲ 0.49%
August 29, 1997	$5.55B	▲ 2.05%
July 31, 1997	$5.439B	▲ 4.57%
June 30, 1997	$5.201B	▼ 0.59%
May 30, 1997	$5.232B	▲ 0.28%
April 30, 1997	$5.217B	▼ 1.40%
March 31, 1997	$5.291B	▲ 2.33%
February 28, 1997	$5.171B	▲ 9.69%
January 31, 1997	$4.714B	▲ 6.67%
1996	$4.419B	▲ 31.87%
December 31, 1996	$4.419B	▲ 0.67%
November 29, 1996	$4.39B	▲ 7.42%
October 31, 1996	$4.087B	▲ 2.45%
September 30, 1996	$3.989B	▲ 1.79%
August 30, 1996	$3.919B	▲ 9.02%
July 31, 1996	$3.595B	▼ 7.24%
June 28, 1996	$3.875B	▼ 1.49%
May 31, 1996	$3.934B	▼ 1.71%
April 30, 1996	$4.002B	▲ 1.45%
March 29, 1996	$3.945B	▲ 7.01%
February 29, 1996	$3.687B	▲ 0.80%
January 31, 1996	$3.658B	▲ 9.14%
1995	$3.351B	▲ 76.73%
December 29, 1995	$3.351B	▲ 4.46%
November 30, 1995	$3.208B	▲ 8.74%
October 31, 1995	$2.95B	▼ 0.82%
September 29, 1995	$2.975B	▲ 6.12%
August 31, 1995	$2.803B	▼ 0.68%
July 31, 1995	$2.822B	▲ 6.09%
June 30, 1995	$2.66B	▲ 14.90%
May 31, 1995	$2.315B	▲ 3.42%
April 28, 1995	$2.238B	▲ 7.35%
March 31, 1995	$2.085B	▲ 6.52%
February 28, 1995	$1.958B	▲ 6.65%
January 31, 1995	$1.835B	▼ 3.21%
1994	$1.896B	▲ 0.90%
December 30, 1994	$1.896B	▼ 11.06%
November 30, 1994	$2.132B	▼ 2.59%
October 31, 1994	$2.189B	▼ 3.33%
September 30, 1994	$2.264B	▼ 6.70%
August 31, 1994	$2.427B	▼ 4.23%
July 29, 1994	$2.534B	▲ 13.54%
June 30, 1994	$2.232B	▲ 1.78%
May 31, 1994	$2.193B	▲ 9.22%
April 29, 1994	$2.008B	▲ 7.29%
March 31, 1994	$1.871B	▼ 1.44%
February 28, 1994	$1.899B	▼ 5.74%
January 31, 1994	$2.014B	▲ 7.18%
1993	$1.879B	▲ 38.72%
December 31, 1993	$1.879B	▼ 9.09%
November 30, 1993	$2.067B	▼ 8.63%
October 29, 1993	$2.262B	▼ 5.57%
September 30, 1993	$2.396B	▲ 5.67%
August 31, 1993	$2.267B	▲ 5.08%
July 30, 1993	$2.158B	▲ 3.42%
June 30, 1993	$2.086B	▲ 21.87%
May 28, 1993	$1.712B	▲ 1.56%
April 30, 1993	$1.686B	▼ 0.26%
March 31, 1993	$1.69B	▲ 11.60%
February 26, 1993	$1.514B	▲ 6.36%
January 29, 1993	$1.424B	▲ 5.10%
1992	$1.355B	▲ 13.04%
December 31, 1992	$1.355B	▲ 1.45%
November 30, 1992	$1.335B	▲ 2.29%
October 30, 1992	$1.305B	▲ 9.29%
September 30, 1992	$1.195B	▲ 6.54%
August 31, 1992	$1.121B	▲ 1.15%
July 31, 1992	$1.109B	▲ 12.93%
June 30, 1992	$0.982B	▼ 4.05%
May 29, 1992	$1.023B	▼ 1.64%
April 30, 1992	$1.04B	▼ 14.69%
March 31, 1992	$1.219B	▲ 0.42%
February 28, 1992	$1.214B	▲ 8.74%
January 31, 1992	$1.117B	▼ 6.84%
1991	$1.199B	▲ 49.72%
December 31, 1991	$1.199B	▲ 11.54%
November 29, 1991	$1.074B	▼ 3.83%
October 31, 1991	$1.117B	▲ 0.35%
September 30, 1991	$1.113B	▲ 6.55%
August 30, 1991	$1.045B	▲ 0.75%
July 31, 1991	$1.037B	▲ 4.89%
June 28, 1991	$0.989B	▼ 9.29%
May 31, 1991	$1.09B	▲ 2.56%
April 30, 1991	$1.063B	▲ 8.20%
March 28, 1991	$0.982B	▲ 2.01%
February 28, 1991	$0.963B	▲ 18.57%
January 31, 1991	$0.812B	▲ 1.45%
1990	$0.8B	▼ 27.39%
December 31, 1990	$0.8B	▼ 6.56%
November 30, 1990	$0.857B	▼ 1.33%
October 31, 1990	$0.868B	▲ 8.38%
September 28, 1990	$0.801B	▲ 1.96%
August 31, 1990	$0.786B	▼ 11.30%
July 31, 1990	$0.886B	▼ 4.02%
June 29, 1990	$0.923B	▼ 6.25%
May 31, 1990	$0.984B	▲ 6.67%
April 30, 1990	$0.923B	▼ 6.78%
March 30, 1990	$0.99B	▲ 4.03%
February 28, 1990	$0.952B	▼ 7.46%
January 31, 1990	$1.028B	▼ 6.72%
1989	$1.102B	▲ 27.25%
December 29, 1989	$1.102B	— 0.00%
November 30, 1989	$1.102B	▼ 4.04%
October 31, 1989	$1.149B	▼ 3.27%
September 29, 1989	$1.188B	▼ 2.34%
August 31, 1989	$1.216B	▲ 7.21%
July 31, 1989	$1.134B	▲ 6.69%
June 30, 1989	$1.063B	▲ 3.87%
May 31, 1989	$1.024B	▲ 14.74%
April 28, 1989	$0.892B	▲ 4.15%
March 31, 1989	$0.857B	▼ 4.76%
February 28, 1989	$0.899B	▼ 5.24%
January 31, 1989	$0.949B	▲ 9.55%
1988	$0.866B	▲ 30.56%
December 30, 1988	$0.866B	▼ 2.40%
November 30, 1988	$0.888B	▼ 8.42%
October 31, 1988	$0.969B	▲ 5.00%
September 30, 1988	$0.923B	▲ 12.62%
August 31, 1988	$0.82B	▼ 4.15%
July 29, 1988	$0.855B	▼ 3.60%
June 30, 1988	$0.887B	▲ 2.89%
May 31, 1988	$0.862B	▼ 4.71%
April 29, 1988	$0.905B	▲ 15.91%
March 31, 1988	$0.781B	— 0.00%
February 29, 1988	$0.781B	▲ 12.82%
January 29, 1988	$0.692B	▲ 4.28%
1987	$0.664B	▲ 11.04%
December 31, 1987	$0.664B	▲ 10.60%
November 30, 1987	$0.6B	▼ 20.83%
October 30, 1987	$0.758B	▼ 23.13%
September 30, 1987	$0.986B	▲ 11.79%
August 31, 1987	$0.882B	▼ 4.96%
July 31, 1987	$0.928B	▲ 2.55%
June 30, 1987	$0.905B	▲ 7.95%
May 29, 1987	$0.838B	▲ 5.24%
April 30, 1987	$0.797B	▼ 3.12%
March 31, 1987	$0.822B	▲ 3.20%
February 27, 1987	$0.797B	▲ 5.53%
January 30, 1987	$0.755B	▲ 26.34%
1986	$0.598B	▼ 21.76%
December 31, 1986	$0.598B	▼ 7.44%
November 28, 1986	$0.646B	▲ 34.00%
October 31, 1986	$0.482B	▲ 1.35%
September 30, 1986	$0.475B	▼ 10.83%
August 29, 1986	$0.533B	▲ 10.67%
July 31, 1986	$0.482B	▼ 20.21%
June 30, 1986	$0.604B	▼ 0.45%
May 30, 1986	$0.607B	— 0.00%
April 30, 1986	$0.607B	▲ 0.53%
March 31, 1986	$0.603B	▼ 5.06%
February 28, 1986	$0.635B	▲ 2.06%
January 31, 1986	$0.623B	▼ 18.49%
1985	$0.764B	N/A
December 31, 1985	$0.764B	▲ 1.33%
November 29, 1985	$0.754B	▼ 3.29%
October 31, 1985	$0.78B	▲ 7.52%
September 30, 1985	$0.725B	▼ 8.50%
August 30, 1985	$0.792B	▲ 10.27%
July 31, 1985	$0.719B	▼ 2.08%
June 28, 1985	$0.734B	▼ 8.06%
May 31, 1985	$0.798B	▲ 12.73%
April 30, 1985	$0.708B	▼ 7.68%
March 29, 1985	$0.767B	▲ 7.62%
February 28, 1985	$0.713B	▼ 3.88%
January 31, 1985	$0.741B	N/A

All market cap values reflect closing prices for the period shown.

📊 Williams Companies Market Cap and Other Industry Peers

Below are selected companies for comparison based on industry, sub-industry, and sector:

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.