TransDigm Group (TDG) Market Cap 2006–2026

As of October 29, 2026, TransDigm Group had a market cap of $64.99 billion, which increased by 3.45% 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: Oct 29, 2026, 4:00 PM ET

TransDigm Group Inc. (TDG)

🌍 United States 📈 NYSE 🏭 Industrials 🏢 Aerospace & Defense

Latest Market Cap

$64.99B ▲ 3.45%

Start of 2026

$74.9B ▼ 13.23%

1 Year Ago

$73.6B ▼ 11.70%

All-Time High

$91.04B ▼ 28.61%

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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.

📈 TransDigm Group Market Cap History by Year and Month

TransDigm Group Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$64.99B	▼ 13.23%
October 29, 2026	$64.99B	▲ 8.61%
September 30, 2026	$59.84B	▼ 7.60%
August 31, 2026	$64.76B	▼ 7.76%
July 31, 2026	$70.21B	▼ 5.83%
June 30, 2026	$74.56B	▲ 5.94%
May 29, 2026	$70.38B	▲ 7.43%
April 30, 2026	$65.51B	▲ 0.09%
March 31, 2026	$65.45B	▼ 11.04%
February 27, 2026	$73.57B	▼ 8.50%
January 30, 2026	$80.4B	▲ 7.34%
2025	$74.9B	▲ 5.39%
December 31, 2025	$74.9B	▼ 2.22%
November 28, 2025	$76.6B	▲ 3.89%
October 31, 2025	$73.73B	▼ 0.73%
September 30, 2025	$74.27B	▼ 5.78%
August 29, 2025	$78.83B	▼ 12.74%
July 31, 2025	$90.34B	▲ 5.77%
June 30, 2025	$85.41B	▲ 3.55%
May 30, 2025	$82.48B	▲ 3.92%
April 30, 2025	$79.37B	▲ 2.06%
March 31, 2025	$77.77B	▲ 1.42%
February 28, 2025	$76.68B	▲ 1.03%
January 31, 2025	$75.9B	▲ 6.80%
2024	$71.069B	▲ 27.02%
December 31, 2024	$71.069B	▲ 0.87%
November 29, 2024	$70.455B	▼ 3.79%
October 31, 2024	$73.228B	▼ 8.73%
September 30, 2024	$80.233B	▲ 4.13%
August 30, 2024	$77.051B	▲ 6.10%
July 31, 2024	$72.619B	▲ 1.57%
June 28, 2024	$71.495B	▼ 4.89%
May 31, 2024	$75.167B	▲ 7.63%
April 30, 2024	$69.84B	▲ 1.97%
March 28, 2024	$68.489B	▲ 4.57%
February 29, 2024	$65.494B	▲ 7.78%
January 31, 2024	$60.764B	▲ 8.60%
2023	$55.952B	▲ 63.44%
December 29, 2023	$55.952B	▲ 5.06%
November 30, 2023	$53.256B	▲ 16.27%
October 31, 2023	$45.802B	▼ 1.55%
September 29, 2023	$46.524B	▼ 6.72%
August 31, 2023	$49.874B	▲ 0.46%
July 31, 2023	$49.647B	▲ 1.08%
June 30, 2023	$49.117B	▲ 15.58%
May 31, 2023	$42.497B	▲ 1.22%
April 28, 2023	$41.983B	▲ 4.32%
March 31, 2023	$40.243B	▼ 0.92%
February 28, 2023	$40.615B	▲ 3.64%
January 31, 2023	$39.189B	▲ 14.47%
2022	$34.234B	▼ 2.62%
December 30, 2022	$34.234B	▲ 0.18%
November 30, 2022	$34.172B	▲ 9.16%
October 31, 2022	$31.304B	▲ 9.73%
September 30, 2022	$28.529B	▼ 12.38%
August 31, 2022	$32.559B	▼ 3.51%
July 29, 2022	$33.743B	▲ 15.13%
June 30, 2022	$29.308B	▼ 11.35%
May 31, 2022	$33.059B	▲ 1.83%
April 29, 2022	$32.465B	▼ 10.15%
March 31, 2022	$36.134B	▼ 2.26%
February 28, 2022	$36.969B	▲ 8.18%
January 31, 2022	$34.174B	▼ 2.79%
2021	$35.154B	▲ 4.35%
December 31, 2021	$35.154B	▲ 10.07%
November 30, 2021	$31.937B	▼ 7.25%
October 29, 2021	$34.435B	▼ 0.12%
September 30, 2021	$34.476B	▲ 2.98%
August 31, 2021	$33.478B	▼ 5.24%
July 30, 2021	$35.33B	▼ 0.56%
June 30, 2021	$35.53B	▼ 0.24%
May 28, 2021	$35.615B	▲ 5.72%
April 30, 2021	$33.688B	▲ 4.77%
March 31, 2021	$32.153B	▲ 1.95%
February 26, 2021	$31.538B	▲ 4.23%
January 29, 2021	$30.259B	▼ 10.18%
2020	$33.69B	▲ 12.18%
December 31, 2020	$33.69B	▲ 6.85%
November 30, 2020	$31.531B	▲ 21.32%
October 30, 2020	$25.99B	▲ 0.54%
September 30, 2020	$25.851B	▼ 4.56%
August 31, 2020	$27.087B	▲ 15.78%
July 31, 2020	$23.396B	▼ 2.31%
June 30, 2020	$23.95B	▲ 4.27%
May 29, 2020	$22.97B	▲ 17.00%
April 30, 2020	$19.632B	▲ 13.46%
March 31, 2020	$17.303B	▼ 42.23%
February 28, 2020	$29.949B	▼ 13.29%
January 31, 2020	$34.538B	▲ 15.00%
2019	$30.033B	▲ 67.14%
December 31, 2019	$30.033B	▼ 1.10%
November 29, 2019	$30.368B	▲ 7.94%
October 31, 2019	$28.135B	▲ 1.08%
September 30, 2019	$27.835B	▼ 3.12%
August 30, 2019	$28.73B	▲ 10.97%
July 31, 2019	$25.889B	▲ 0.63%
June 28, 2019	$25.728B	▲ 9.71%
May 31, 2019	$23.45B	▼ 8.61%
April 30, 2019	$25.66B	▲ 6.85%
March 29, 2019	$24.016B	▲ 4.59%
February 28, 2019	$22.963B	▲ 11.13%
January 31, 2019	$20.664B	▲ 15.00%
2018	$17.969B	▲ 25.93%
December 31, 2018	$17.969B	▼ 5.81%
November 30, 2018	$19.078B	▲ 9.56%
October 31, 2018	$17.414B	▼ 11.13%
September 28, 2018	$19.594B	▲ 6.37%
August 31, 2018	$18.421B	▼ 6.80%
July 31, 2018	$19.765B	▲ 9.22%
June 29, 2018	$18.096B	▲ 3.31%
May 31, 2018	$17.517B	▲ 4.22%
April 30, 2018	$16.807B	▲ 4.90%
March 29, 2018	$16.022B	▲ 6.46%
February 28, 2018	$15.05B	▼ 9.02%
January 31, 2018	$16.543B	▲ 15.94%
2017	$14.269B	▲ 7.31%
December 29, 2017	$14.269B	▼ 3.23%
November 30, 2017	$14.746B	▲ 2.32%
October 31, 2017	$14.411B	▲ 8.59%
September 29, 2017	$13.271B	▼ 1.92%
August 31, 2017	$13.531B	▼ 7.61%
July 31, 2017	$14.646B	▲ 4.71%
June 30, 2017	$13.987B	▲ 0.29%
May 31, 2017	$13.946B	▲ 8.68%
April 28, 2017	$12.832B	▲ 10.31%
March 31, 2017	$11.633B	▼ 13.39%
February 28, 2017	$13.432B	▲ 17.46%
January 31, 2017	$11.435B	▼ 14.00%
2016	$13.297B	▲ 8.27%
December 30, 2016	$13.297B	▼ 0.87%
November 30, 2016	$13.414B	▼ 7.68%
October 31, 2016	$14.53B	▼ 5.77%
September 30, 2016	$15.419B	▲ 1.49%
August 31, 2016	$15.192B	▲ 2.03%
July 29, 2016	$14.89B	▲ 6.59%
June 30, 2016	$13.97B	▲ 0.06%
May 31, 2016	$13.962B	▲ 15.68%
April 29, 2016	$12.07B	▲ 2.44%
March 31, 2016	$11.782B	▲ 3.17%
February 29, 2016	$11.42B	▼ 4.96%
January 29, 2016	$12.016B	▼ 2.16%
2015	$12.281B	▲ 18.86%
December 31, 2015	$12.281B	▼ 2.51%
November 30, 2015	$12.597B	▲ 6.74%
October 30, 2015	$11.802B	▲ 3.51%
September 30, 2015	$11.402B	▼ 7.32%
August 31, 2015	$12.303B	▲ 1.56%
July 31, 2015	$12.114B	▲ 0.77%
June 30, 2015	$12.022B	▼ 0.17%
May 29, 2015	$12.043B	▲ 6.56%
April 30, 2015	$11.302B	▼ 2.98%
March 31, 2015	$11.649B	▲ 1.91%
February 27, 2015	$11.431B	▲ 5.52%
January 30, 2015	$10.833B	▲ 4.85%
2014	$10.332B	▲ 21.68%
December 31, 2014	$10.332B	▼ 0.42%
November 28, 2014	$10.376B	▲ 5.75%
October 31, 2014	$9.812B	▲ 1.54%
September 30, 2014	$9.663B	▼ 2.11%
August 29, 2014	$9.871B	▲ 11.52%
July 31, 2014	$8.851B	▲ 0.52%
June 30, 2014	$8.805B	▼ 11.84%
May 30, 2014	$9.987B	▲ 6.10%
April 30, 2014	$9.413B	▼ 3.88%
March 31, 2014	$9.793B	▲ 4.18%
February 28, 2014	$9.4B	▲ 6.65%
January 31, 2014	$8.814B	▲ 3.80%
2013	$8.491B	▲ 19.66%
December 31, 2013	$8.491B	▲ 3.00%
November 29, 2013	$8.244B	▲ 7.64%
October 31, 2013	$7.659B	▲ 4.85%
September 30, 2013	$7.305B	▲ 1.49%
August 30, 2013	$7.198B	▼ 5.25%
July 31, 2013	$7.597B	▼ 7.52%
June 28, 2013	$8.215B	▲ 7.30%
May 31, 2013	$7.656B	▼ 0.47%
April 30, 2013	$7.692B	▲ 0.52%
March 28, 2013	$7.652B	▲ 7.43%
February 28, 2013	$7.123B	▲ 5.11%
January 31, 2013	$6.777B	▼ 4.50%
2012	$7.096B	▲ 46.88%
December 31, 2012	$7.096B	▲ 0.92%
November 30, 2012	$7.031B	▲ 2.11%
October 31, 2012	$6.886B	▼ 5.68%
September 28, 2012	$7.301B	▲ 2.36%
August 31, 2012	$7.133B	▲ 12.37%
July 31, 2012	$6.348B	▼ 7.46%
June 29, 2012	$6.86B	▲ 9.18%
May 31, 2012	$6.283B	▼ 2.47%
April 30, 2012	$6.442B	▲ 9.86%
March 30, 2012	$5.864B	▼ 2.56%
February 29, 2012	$6.018B	▲ 13.65%
January 31, 2012	$5.295B	▲ 9.60%
2011	$4.831B	▲ 35.17%
December 30, 2011	$4.831B	▼ 0.47%
November 30, 2011	$4.854B	▲ 2.66%
October 31, 2011	$4.728B	▲ 15.01%
September 30, 2011	$4.111B	▼ 10.77%
August 31, 2011	$4.607B	▲ 1.99%
July 29, 2011	$4.517B	▼ 0.90%
June 30, 2011	$4.558B	▲ 11.22%
May 31, 2011	$4.098B	▼ 1.56%
April 29, 2011	$4.163B	▲ 0.02%
March 31, 2011	$4.162B	▲ 4.28%
February 28, 2011	$3.991B	▲ 3.74%
January 31, 2011	$3.847B	▲ 7.64%
2010	$3.574B	▲ 53.59%
December 31, 2010	$3.574B	▲ 5.52%
November 30, 2010	$3.387B	▲ 3.36%
October 29, 2010	$3.277B	▲ 6.85%
September 30, 2010	$3.067B	▲ 7.39%
August 31, 2010	$2.856B	▲ 6.85%
July 30, 2010	$2.673B	▲ 6.37%
June 30, 2010	$2.513B	▼ 3.27%
May 28, 2010	$2.598B	▼ 4.52%
April 30, 2010	$2.721B	▲ 4.61%
March 31, 2010	$2.601B	▲ 5.65%
February 26, 2010	$2.462B	▲ 4.01%
January 29, 2010	$2.367B	▲ 1.72%
2009	$2.327B	▲ 43.55%
December 31, 2009	$2.327B	▲ 9.61%
November 30, 2009	$2.123B	▲ 10.69%
October 30, 2009	$1.918B	▼ 21.33%
September 30, 2009	$2.438B	▲ 12.97%
August 31, 2009	$2.158B	▲ 16.27%
July 31, 2009	$1.856B	▲ 5.82%
June 30, 2009	$1.754B	▼ 7.44%
May 29, 2009	$1.895B	▲ 11.60%
April 30, 2009	$1.698B	▲ 7.06%
March 31, 2009	$1.586B	▼ 6.87%
February 27, 2009	$1.703B	▲ 3.71%
January 30, 2009	$1.642B	▲ 1.30%
2008	$1.621B	▼ 24.29%
December 31, 2008	$1.621B	▼ 6.14%
November 28, 2008	$1.727B	▲ 17.72%
October 31, 2008	$1.467B	▼ 11.84%
September 30, 2008	$1.664B	▼ 8.47%
August 29, 2008	$1.818B	▲ 2.02%
July 31, 2008	$1.782B	▲ 9.73%
June 30, 2008	$1.624B	▼ 22.22%
May 30, 2008	$2.088B	▲ 14.85%
April 30, 2008	$1.818B	▲ 2.65%
March 31, 2008	$1.771B	▼ 4.06%
February 29, 2008	$1.846B	▼ 6.10%
January 31, 2008	$1.966B	▼ 8.17%
2007	$2.141B	▲ 80.52%
December 31, 2007	$2.141B	▼ 4.84%
November 30, 2007	$2.25B	▲ 5.09%
October 31, 2007	$2.141B	▼ 0.19%
September 28, 2007	$2.145B	▲ 12.48%
August 31, 2007	$1.907B	▼ 1.35%
July 31, 2007	$1.933B	▲ 5.92%
June 29, 2007	$1.825B	▲ 9.54%
May 31, 2007	$1.666B	▼ 2.46%
April 30, 2007	$1.708B	▲ 4.46%
March 30, 2007	$1.635B	▲ 14.02%
February 28, 2007	$1.434B	▲ 0.21%
January 31, 2007	$1.431B	▲ 20.66%
2006	$1.186B	▲ 3.31%
December 29, 2006	$1.186B	▲ 8.51%
November 30, 2006	$1.093B	▲ 1.86%
October 31, 2006	$1.073B	▼ 1.47%
September 29, 2006	$1.089B	▲ 7.82%
August 31, 2006	$1.01B	▼ 11.56%
July 31, 2006	$1.142B	▲ 6.93%
June 30, 2006	$1.068B	▼ 4.90%
May 31, 2006	$1.123B	▲ 1.91%
April 28, 2006	$1.102B	▼ 4.01%
March 31, 2006	$1.148B	— 0.00%

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

📊 TransDigm Group Market Cap and Other Industry Peers

Below are selected companies from the Aerospace & Defense sector / subsector:

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