Acuity (AYI) Market Cap 2001–2026

As of November 13, 2026, Acuity had a market cap of $9.883 billion, which increased by 0.08% 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

Acuity Inc. (AYI)

🌍 United States 📈 NYSE 🏭 Industrials 🏢 Electrical Equipment

Latest Market Cap

$9.883B ▲ 0.08%

Start of 2026

$11.06B ▼ 10.64%

1 Year Ago

$10.82B ▼ 8.66%

All-Time High

$12.252B ▼ 19.33%

Loading data...

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.

📈 Acuity Market Cap History by Year and Month

Acuity Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$9.883B	▼ 10.64%
November 13, 2026	$9.883B	▲ 3.90%
October 30, 2026	$9.512B	▲ 2.01%
September 30, 2026	$9.325B	▼ 6.63%
August 31, 2026	$9.987B	▲ 1.03%
July 31, 2026	$9.885B	▼ 12.83%
June 30, 2026	$11.34B	▲ 22.61%
May 29, 2026	$9.249B	▲ 5.29%
April 30, 2026	$8.784B	▲ 2.23%
March 31, 2026	$8.592B	▼ 7.09%
February 27, 2026	$9.248B	▼ 2.47%
January 30, 2026	$9.482B	▼ 14.27%
2025	$11.06B	▲ 22.13%
December 31, 2025	$11.06B	▼ 1.43%
November 28, 2025	$11.22B	▲ 0.36%
October 31, 2025	$11.18B	▲ 5.97%
September 30, 2025	$10.55B	▲ 5.50%
August 29, 2025	$10B	▲ 4.81%
July 31, 2025	$9.541B	▲ 4.35%
June 30, 2025	$9.143B	▲ 13.83%
May 30, 2025	$8.032B	▲ 6.68%
April 30, 2025	$7.529B	▼ 7.49%
March 31, 2025	$8.139B	▼ 11.64%
February 28, 2025	$9.211B	▼ 10.49%
January 31, 2025	$10.29B	▲ 13.63%
2024	$9.056B	▲ 43.17%
December 31, 2024	$9.056B	▼ 8.85%
November 29, 2024	$9.935B	▲ 7.07%
October 31, 2024	$9.279B	▲ 9.15%
September 30, 2024	$8.501B	▲ 8.47%
August 30, 2024	$7.837B	▲ 1.33%
July 31, 2024	$7.734B	▲ 4.10%
June 28, 2024	$7.429B	▼ 6.79%
May 31, 2024	$7.97B	▲ 4.22%
April 30, 2024	$7.648B	▼ 7.60%
March 28, 2024	$8.277B	▲ 6.62%
February 29, 2024	$7.763B	▲ 5.77%
January 31, 2024	$7.34B	▲ 16.05%
2023	$6.325B	▲ 19.06%
December 29, 2023	$6.325B	▲ 14.26%
November 30, 2023	$5.536B	▲ 10.42%
October 31, 2023	$5.013B	▼ 5.20%
September 29, 2023	$5.288B	▲ 5.60%
August 31, 2023	$5.008B	▼ 2.83%
July 31, 2023	$5.154B	▲ 1.32%
June 30, 2023	$5.086B	▲ 7.67%
May 31, 2023	$4.724B	▼ 5.61%
April 28, 2023	$5.005B	▼ 13.87%
March 31, 2023	$5.811B	▼ 6.11%
February 28, 2023	$6.189B	▲ 2.44%
January 31, 2023	$6.042B	▲ 13.73%
2022	$5.313B	▼ 28.41%
December 30, 2022	$5.313B	▼ 12.24%
November 30, 2022	$6.054B	▲ 2.54%
October 31, 2022	$5.904B	▲ 15.39%
September 30, 2022	$5.116B	▼ 3.94%
August 31, 2022	$5.326B	▼ 10.73%
July 29, 2022	$5.966B	▲ 18.41%
June 30, 2022	$5.039B	▼ 12.95%
May 31, 2022	$5.788B	▼ 2.96%
April 29, 2022	$5.964B	▼ 9.38%
March 31, 2022	$6.582B	▲ 3.80%
February 28, 2022	$6.341B	▼ 5.46%
January 31, 2022	$6.707B	▼ 9.61%
2021	$7.421B	▲ 68.41%
December 31, 2021	$7.421B	▲ 5.15%
November 30, 2021	$7.057B	▼ 1.62%
October 29, 2021	$7.174B	▲ 17.58%
September 30, 2021	$6.101B	▼ 6.05%
August 31, 2021	$6.494B	▲ 3.69%
July 30, 2021	$6.263B	▼ 6.23%
June 30, 2021	$6.679B	▲ 0.69%
May 28, 2021	$6.633B	▲ 0.12%
April 30, 2021	$6.625B	▲ 12.44%
March 31, 2021	$5.892B	▲ 32.63%
February 26, 2021	$4.442B	▲ 2.54%
January 29, 2021	$4.332B	▼ 1.68%
2020	$4.406B	▼ 19.20%
December 31, 2020	$4.406B	▲ 2.00%
November 30, 2020	$4.32B	▲ 29.52%
October 30, 2020	$3.336B	▼ 16.16%
September 30, 2020	$3.978B	▼ 6.35%
August 31, 2020	$4.248B	▲ 8.14%
July 31, 2020	$3.928B	▲ 3.51%
June 30, 2020	$3.795B	▲ 11.13%
May 29, 2020	$3.415B	▼ 0.51%
April 30, 2020	$3.432B	▲ 1.09%
March 31, 2020	$3.396B	▼ 16.68%
February 28, 2020	$4.075B	▼ 12.73%
January 31, 2020	$4.67B	▼ 14.37%
2019	$5.454B	▲ 19.03%
December 31, 2019	$5.454B	▲ 5.25%
November 29, 2019	$5.182B	▲ 4.75%
October 31, 2019	$4.947B	▼ 6.97%
September 30, 2019	$5.317B	▲ 6.27%
August 30, 2019	$5.004B	▼ 6.56%
July 31, 2019	$5.355B	▼ 2.68%
June 28, 2019	$5.503B	▲ 12.13%
May 31, 2019	$4.907B	▼ 15.97%
April 30, 2019	$5.84B	▲ 21.93%
March 29, 2019	$4.79B	▼ 7.21%
February 28, 2019	$5.162B	▲ 7.02%
January 31, 2019	$4.823B	▲ 5.26%
2018	$4.582B	▼ 37.93%
December 31, 2018	$4.582B	▼ 11.59%
November 30, 2018	$5.183B	▲ 2.66%
October 31, 2018	$5.048B	▼ 19.70%
September 28, 2018	$6.286B	▲ 2.85%
August 31, 2018	$6.112B	▲ 9.41%
July 31, 2018	$5.586B	▲ 19.99%
June 29, 2018	$4.656B	▼ 1.50%
May 31, 2018	$4.726B	▼ 3.75%
April 30, 2018	$4.911B	▼ 13.95%
March 29, 2018	$5.707B	▼ 1.80%
February 28, 2018	$5.812B	▼ 10.75%
January 31, 2018	$6.511B	▼ 11.79%
2017	$7.381B	▼ 27.03%
December 29, 2017	$7.381B	▲ 2.67%
November 30, 2017	$7.189B	▲ 2.18%
October 31, 2017	$7.036B	▼ 1.89%
September 29, 2017	$7.171B	▼ 3.12%
August 31, 2017	$7.402B	▼ 13.22%
July 31, 2017	$8.53B	▼ 0.31%
June 30, 2017	$8.556B	▲ 25.50%
May 31, 2017	$6.818B	▼ 12.19%
April 28, 2017	$7.764B	▼ 13.68%
March 31, 2017	$8.994B	▼ 2.88%
February 28, 2017	$9.261B	▲ 1.36%
January 31, 2017	$9.137B	▼ 9.68%
2016	$10.116B	▼ 0.55%
December 30, 2016	$10.116B	▼ 8.17%
November 30, 2016	$11.017B	▲ 11.81%
October 31, 2016	$9.853B	▼ 14.87%
September 30, 2016	$11.574B	▼ 3.82%
August 31, 2016	$12.034B	▲ 4.48%
July 29, 2016	$11.518B	▲ 5.84%
June 30, 2016	$10.883B	▼ 3.62%
May 31, 2016	$11.292B	▲ 5.63%
April 29, 2016	$10.69B	▲ 11.80%
March 31, 2016	$9.561B	▲ 4.90%
February 29, 2016	$9.114B	▲ 2.82%
January 29, 2016	$8.864B	▼ 12.86%
2015	$10.173B	▲ 68.47%
December 31, 2015	$10.173B	▲ 1.26%
November 30, 2015	$10.046B	▲ 5.30%
October 30, 2015	$9.54B	▲ 25.48%
September 30, 2015	$7.603B	▼ 9.90%
August 31, 2015	$8.438B	▼ 3.68%
July 31, 2015	$8.76B	▲ 11.78%
June 30, 2015	$7.836B	▲ 2.24%
May 29, 2015	$7.665B	▲ 5.71%
April 30, 2015	$7.251B	▼ 0.72%
March 31, 2015	$7.303B	▲ 6.25%
February 27, 2015	$6.873B	▲ 5.73%
January 30, 2015	$6.501B	▲ 7.66%
2014	$6.038B	▲ 29.45%
December 31, 2014	$6.038B	▲ 0.75%
November 28, 2014	$5.994B	▼ 0.61%
October 31, 2014	$6.03B	▲ 19.53%
September 30, 2014	$5.045B	▼ 5.75%
August 29, 2014	$5.353B	▲ 15.48%
July 31, 2014	$4.635B	▼ 22.41%
June 30, 2014	$5.974B	▲ 10.15%
May 30, 2014	$5.423B	▲ 0.75%
April 30, 2014	$5.383B	▼ 6.03%
March 31, 2014	$5.728B	▼ 5.18%
February 28, 2014	$6.041B	▲ 10.43%
January 31, 2014	$5.47B	▲ 17.27%
2013	$4.665B	▲ 63.05%
December 31, 2013	$4.665B	▲ 5.71%
November 29, 2013	$4.413B	▲ 2.27%
October 31, 2013	$4.315B	▲ 10.36%
September 30, 2013	$3.91B	▲ 6.77%
August 30, 2013	$3.662B	▼ 1.16%
July 31, 2013	$3.705B	▲ 14.54%
June 28, 2013	$3.235B	▲ 1.79%
May 31, 2013	$3.178B	▲ 1.67%
April 30, 2013	$3.126B	▲ 5.21%
March 28, 2013	$2.971B	▲ 3.14%
February 28, 2013	$2.881B	▼ 2.18%
January 31, 2013	$2.945B	▲ 2.93%
2012	$2.861B	▲ 30.17%
December 31, 2012	$2.861B	▲ 2.39%
November 30, 2012	$2.794B	▲ 1.81%
October 31, 2012	$2.745B	▲ 3.77%
September 28, 2012	$2.645B	▼ 1.36%
August 31, 2012	$2.681B	▲ 9.27%
July 31, 2012	$2.454B	▲ 13.81%
June 29, 2012	$2.156B	▼ 5.22%
May 31, 2012	$2.275B	▼ 3.32%
April 30, 2012	$2.353B	▼ 10.24%
March 30, 2012	$2.621B	▲ 1.03%
February 29, 2012	$2.595B	▲ 5.81%
January 31, 2012	$2.452B	▲ 11.56%
2011	$2.198B	▼ 10.24%
December 30, 2011	$2.198B	▲ 5.47%
November 30, 2011	$2.084B	▲ 6.86%
October 31, 2011	$1.95B	▲ 30.42%
September 30, 2011	$1.495B	▼ 21.72%
August 31, 2011	$1.91B	▼ 9.48%
July 29, 2011	$2.11B	▼ 12.71%
June 30, 2011	$2.418B	▼ 7.02%
May 31, 2011	$2.6B	▲ 2.09%
April 29, 2011	$2.547B	▲ 0.53%
March 31, 2011	$2.533B	▲ 5.21%
February 28, 2011	$2.408B	▲ 0.97%
January 31, 2011	$2.385B	▼ 2.61%
2010	$2.449B	▲ 61.17%
December 31, 2010	$2.449B	▲ 7.07%
November 30, 2010	$2.287B	▲ 6.69%
October 29, 2010	$2.143B	▲ 15.03%
September 30, 2010	$1.863B	▲ 14.20%
August 31, 2010	$1.632B	▼ 11.07%
July 30, 2010	$1.835B	▲ 15.81%
June 30, 2010	$1.584B	▼ 11.43%
May 28, 2010	$1.789B	▼ 9.02%
April 30, 2010	$1.966B	▲ 7.11%
March 31, 2010	$1.836B	▲ 8.46%
February 26, 2010	$1.693B	▲ 8.94%
January 29, 2010	$1.554B	▲ 2.25%
2009	$1.519B	▲ 7.81%
December 31, 2009	$1.519B	▲ 10.41%
November 30, 2009	$1.376B	▲ 0.40%
October 30, 2009	$1.371B	▲ 0.28%
September 30, 2009	$1.367B	▲ 0.31%
August 31, 2009	$1.362B	▲ 7.14%
July 31, 2009	$1.272B	▲ 5.20%
June 30, 2009	$1.209B	▲ 8.70%
May 29, 2009	$1.112B	▼ 5.43%
April 30, 2009	$1.176B	▲ 27.51%
March 31, 2009	$0.922B	▼ 0.47%
February 27, 2009	$0.926B	▼ 14.70%
January 30, 2009	$1.086B	▼ 22.94%
2008	$1.409B	▼ 24.35%
December 31, 2008	$1.409B	▲ 29.49%
November 28, 2008	$1.088B	▼ 22.88%
October 31, 2008	$1.411B	▼ 15.93%
September 30, 2008	$1.679B	▼ 5.11%
August 29, 2008	$1.769B	▲ 6.49%
July 31, 2008	$1.661B	▼ 15.02%
June 30, 2008	$1.955B	▼ 9.58%
May 30, 2008	$2.162B	▲ 11.31%
April 30, 2008	$1.942B	▲ 11.08%
March 31, 2008	$1.748B	▼ 3.29%
February 29, 2008	$1.808B	▼ 3.15%
January 31, 2008	$1.867B	▲ 0.21%
2007	$1.863B	▼ 16.90%
December 31, 2007	$1.863B	▲ 13.95%
November 30, 2007	$1.635B	▼ 19.05%
October 31, 2007	$2.02B	▼ 5.31%
September 28, 2007	$2.133B	▼ 3.92%
August 31, 2007	$2.22B	▼ 13.95%
July 31, 2007	$2.58B	▼ 1.96%
June 29, 2007	$2.631B	▼ 0.71%
May 31, 2007	$2.65B	▲ 3.19%
April 30, 2007	$2.568B	▲ 8.60%
March 30, 2007	$2.365B	▼ 1.63%
February 28, 2007	$2.404B	▼ 3.80%
January 31, 2007	$2.499B	▲ 11.47%
2006	$2.242B	▲ 57.19%
December 29, 2006	$2.242B	▼ 1.20%
November 30, 2006	$2.269B	▲ 6.39%
October 31, 2006	$2.133B	▲ 9.09%
September 29, 2006	$1.955B	▲ 6.25%
August 31, 2006	$1.84B	▼ 3.94%
July 31, 2006	$1.915B	▲ 12.39%
June 30, 2006	$1.704B	▼ 2.99%
May 31, 2006	$1.757B	▼ 5.22%
April 28, 2006	$1.853B	▲ 3.20%
March 31, 2006	$1.796B	▲ 1.74%
February 28, 2006	$1.765B	▲ 3.87%
January 31, 2006	$1.699B	▲ 19.15%
2005	$1.426B	▲ 3.53%
December 30, 2005	$1.426B	▲ 0.80%
November 30, 2005	$1.415B	▲ 13.04%
October 31, 2005	$1.252B	▼ 6.21%
September 30, 2005	$1.335B	▲ 0.47%
August 31, 2005	$1.328B	▲ 2.34%
July 29, 2005	$1.298B	▲ 14.23%
June 30, 2005	$1.136B	▲ 4.64%
May 31, 2005	$1.086B	▲ 2.91%
April 29, 2005	$1.055B	▼ 11.44%
March 31, 2005	$1.192B	▼ 1.25%
February 28, 2005	$1.207B	▲ 1.40%
January 31, 2005	$1.19B	▼ 13.62%
2004	$1.378B	▲ 27.77%
December 31, 2004	$1.378B	▲ 8.48%
November 30, 2004	$1.27B	▲ 12.84%
October 29, 2004	$1.125B	▲ 11.14%
September 30, 2004	$1.013B	▲ 3.30%
August 31, 2004	$0.98B	▼ 3.50%
July 30, 2004	$1.016B	▼ 11.67%
June 30, 2004	$1.15B	▲ 9.49%
May 28, 2004	$1.05B	▲ 0.78%
April 30, 2004	$1.042B	▲ 2.57%
March 31, 2004	$1.016B	▼ 0.85%
February 27, 2004	$1.025B	▲ 0.53%
January 30, 2004	$1.019B	▼ 5.45%
2003	$1.078B	▲ 91.97%
December 31, 2003	$1.078B	▲ 8.23%
November 28, 2003	$0.996B	▲ 10.93%
October 31, 2003	$0.898B	▲ 19.30%
September 30, 2003	$0.753B	▲ 1.15%
August 29, 2003	$0.744B	▼ 1.32%
July 31, 2003	$0.754B	▼ 0.11%
June 30, 2003	$0.755B	▲ 9.74%
May 30, 2003	$0.688B	▲ 8.80%
April 30, 2003	$0.632B	▲ 13.23%
March 31, 2003	$0.558B	▲ 1.23%
February 28, 2003	$0.552B	▲ 0.38%
January 31, 2003	$0.55B	▼ 2.14%
2002	$0.562B	▲ 12.36%
December 31, 2002	$0.562B	▼ 0.20%
November 29, 2002	$0.563B	▲ 13.26%
October 31, 2002	$0.497B	▼ 1.99%
September 30, 2002	$0.507B	▼ 12.49%
August 30, 2002	$0.579B	▲ 6.46%
July 31, 2002	$0.544B	▼ 27.69%
June 28, 2002	$0.753B	▲ 7.69%
May 31, 2002	$0.699B	▼ 8.89%
April 30, 2002	$0.767B	▲ 12.33%
March 28, 2002	$0.683B	▲ 16.41%
February 28, 2002	$0.587B	▲ 8.81%
January 31, 2002	$0.539B	▲ 7.85%
2001	$0.5B	N/A
December 31, 2001	$0.5B	▼ 11.03%
November 30, 2001	$0.562B	N/A

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

📊 Acuity 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.