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TransDigm Group INC (TDG) stock

TDGNYSEAircraft Parts & Auxiliary Equipment, NECFiscal year ends September 30
Financials through Q3 FY2026, quarter ended Jun 27, 2026Last filing: 10-Q on Aug 4, 2026Score 14/3020% below fair value
$1146.81−29.10 (-2.47%)

Close on Oct 30, 2026Market cap $63.39BP/E 32.1Yield –

Price history

TransDigm share prices for every month, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$1,146.81
-2.47% on the day
52-week range
$1,071.25 – $1,463.03
-21.6% from the high
Change over 52 weeks
-12.2%
From $1,306.14 on Oct 30, 2025
Average volume
386,610
Shares a day, last 90 sessions
MonthOpenHighLowCloseChangeVolume
Oct 2026$1,083.26$1,185.60$1,078.00$1,146.81+5.93%7,645,532
Sep 2026$1,169.73$1,182.00$1,071.25$1,082.60-7.61%8,229,168
Aug 2026$1,280.27$1,359.27$1,161.25$1,171.74-6.59%9,553,409
Jul 2026$1,340.64$1,359.99$1,192.08$1,254.38-5.83%7,292,329
Jun 2026$1,243.88$1,361.77$1,201.86$1,332.04+5.86%8,575,053
May 2026$1,171.58$1,285.00$1,143.40$1,258.32+8.48%8,342,317
Apr 2026$1,159.60$1,303.06$1,123.61$1,159.98+0.09%7,780,807
Mar 2026$1,310.28$1,334.23$1,126.70$1,158.96-11.04%9,062,375
Feb 2026$1,430.10$1,440.87$1,245.80$1,302.79-8.74%8,517,472
Jan 2026$1,329.03$1,463.03$1,319.75$1,427.54+7.35%6,766,687
Dec 2025$1,351.06$1,367.65$1,237.09$1,329.85-2.23%6,765,984
Nov 2025$1,308.83$1,365.69$1,251.21$1,360.17+3.95%6,115,635
Oct 2025$1,304.76$1,365.79$1,235.69$1,308.51-0.72%6,480,659
Sep 2025$1,304.79$1,324.88$1,243.55$1,318.02-5.78%7,687,357
Aug 2025$1,592.78$1,616.89$1,369.83$1,398.88-13.03%9,042,038
Jul 2025$1,515.10$1,623.83$1,481.02$1,608.46+5.78%4,651,535
Jun 2025$1,462.36$1,528.45$1,375.00$1,520.64+3.56%5,423,671
May 2025$1,419.25$1,488.54$1,355.74$1,468.43+3.92%6,605,695
Apr 2025$1,380.47$1,416.81$1,183.60$1,413.07+2.15%6,960,000
Mar 2025$1,370.00$1,407.36$1,304.79$1,383.29+1.18%5,443,581
Feb 2025$1,333.59$1,370.00$1,253.46$1,367.20+1.02%5,359,484
Jan 2025$1,271.86$1,379.46$1,240.34$1,353.34+6.79%4,686,420
Dec 2024$1,265.57$1,317.59$1,234.85$1,267.28+1.14%6,378,177
Nov 2024$1,307.81$1,400.00$1,230.05$1,252.97-3.79%6,831,357
Oct 2024$1,430.00$1,451.32$1,300.03$1,302.30-8.75%3,844,195
Sep 2024$1,368.60$1,433.03$1,287.55$1,427.13+3.93%3,613,069
Aug 2024$1,287.42$1,380.83$1,176.31$1,373.21+6.10%5,293,133
Jul 2024$1,298.46$1,302.45$1,227.31$1,294.22+1.30%4,996,490
Jun 2024$1,356.98$1,369.58$1,266.00$1,277.61-4.89%5,292,697
May 2024$1,245.57$1,363.66$1,240.00$1,343.23+7.63%5,144,391
Apr 2024$1,229.77$1,269.51$1,185.78$1,248.03+1.33%4,016,847
Mar 2024$1,178.00$1,238.95$1,136.27$1,231.60+4.57%3,854,039
Feb 2024$1,099.46$1,207.58$1,095.72$1,177.74+7.78%4,968,039
Jan 2024$1,005.64$1,100.00$972.08$1,092.68+8.02%4,303,227
Dec 2023$958.92$1,018.50$950.94$1,011.60+5.06%3,601,583
Nov 2023$831.27$1,013.08$818.12$962.87+16.28%5,657,344
Oct 2023$841.11$878.82$802.46$828.09-1.78%5,320,347
Sep 2023$909.34$913.79$837.82$843.13-6.72%4,345,660
Aug 2023$897.29$940.00$834.05$903.85+0.46%5,643,529
Jul 2023$888.93$900.00$867.43$899.72+0.62%4,301,809
Jun 2023$775.63$899.56$775.38$894.17+15.58%5,160,603
May 2023$765.00$831.58$750.86$773.65+1.13%6,926,274
Apr 2023$739.51$769.52$714.98$765.00+3.79%3,939,630
Mar 2023$743.07$772.01$686.46$737.05-0.92%6,701,770
Feb 2023$713.45$768.63$704.25$743.87+3.64%7,943,582
Jan 2023$633.04$718.18$623.58$717.75+13.99%6,619,024
Dec 2022$630.22$638.00$599.42$629.65+0.18%5,709,521
Nov 2022$582.00$648.40$545.29$628.50+9.16%6,031,324
Oct 2022$533.68$583.34$499.63$575.76+9.71%5,309,820
Sep 2022$594.84$629.91$523.21$524.82-12.59%5,414,691
Aug 2022$625.00$680.00$598.77$600.39-3.53%6,054,767
Jul 2022$534.31$624.85$514.81$622.34+15.96%5,067,686
Jun 2022$607.64$633.34$500.08$536.67-11.35%7,102,667
May 2022$594.99$624.19$531.23$605.37+1.78%9,370,811
Apr 2022$656.30$678.08$593.61$594.81-8.71%5,215,172
Mar 2022$663.78$684.72$586.83$651.54-2.26%8,862,277
Feb 2022$615.82$674.49$608.84$666.59+8.18%5,848,071
Jan 2022$638.92$669.03$575.03$616.19-3.16%5,697,437
Dec 2021$592.61$642.24$552.72$636.28+10.07%5,761,153
Nov 2021$624.09$686.06$558.11$578.05-7.34%8,632,191

Seasonality

TDG return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average5.5%2.2%-5.1%3.9%5.0%2.6%2.9%0.8%-2.3%0.8%7.0%1.8%
Months up7 of 107 of 105 of 109 of 109 of 107 of 107 of 105 of 104 of 105 of 107 of 96 of 9
20267.3%-8.7%-11.0%0.1%8.5%5.9%-5.8%-6.6%-7.6%5.9%
20256.8%1.0%1.2%2.2%3.9%3.6%5.8%-13.0%0.7%-0.7%3.9%-2.2%
20248.0%7.8%4.6%1.3%7.6%-4.9%1.3%6.1%3.9%-3.7%-3.8%1.1%
202314.0%3.6%-0.9%3.8%1.1%15.6%0.6%0.5%-6.7%-1.8%20.6%5.1%
2022-3.2%8.2%-2.3%-8.7%1.8%-11.3%16.0%-0.8%-12.6%9.7%9.2%0.2%
2021-10.6%4.2%2.0%4.4%5.7%-0.2%-1.0%-5.2%2.8%-0.1%-7.3%10.1%
202014.9%-13.3%-42.6%13.4%17.0%4.1%-2.4%15.8%-4.9%0.5%21.3%6.8%
201915.0%11.0%4.6%6.3%-8.6%9.7%0.3%17.4%-3.3%1.1%7.8%4.4%
201815.4%-9.0%6.5%4.4%4.2%3.3%8.8%-6.8%6.4%-11.3%9.5%-6.0%
2017-13.1%17.5%-13.4%12.1%8.7%0.3%4.9%0.4%-1.9%8.5%2.3%-3.2%