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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 week, 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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$1,111.00$1,185.60$1,106.78$1,146.81+3.80%1,690,123
Oct 19, 2026$1,135.00$1,154.85$1,082.59$1,104.84-3.03%1,904,891
Oct 12, 2026$1,107.25$1,158.04$1,091.16$1,139.34+2.83%1,661,720
Oct 5, 2026$1,087.00$1,110.77$1,078.00$1,107.99+1.62%1,708,053
Sep 28, 2026$1,105.35$1,118.72$1,077.83$1,090.38-2.31%1,852,882
Sep 21, 2026$1,091.30$1,127.68$1,085.06$1,116.20+2.78%1,827,651
Sep 14, 2026$1,124.00$1,131.31$1,071.25$1,086.05-4.76%2,733,793
Sep 8, 2026$1,160.40$1,163.57$1,119.62$1,140.32-1.87%1,406,725
Aug 31, 2026$1,180.00$1,185.47$1,144.44$1,162.05-2.02%1,585,847
Aug 24, 2026$1,199.88$1,225.97$1,179.00$1,185.97-1.20%1,716,905
Aug 17, 2026$1,257.00$1,257.10$1,179.95$1,200.35-4.50%1,722,499
Aug 10, 2026$1,230.00$1,265.76$1,212.17$1,256.90+2.58%2,040,556
Aug 3, 2026$1,280.27$1,359.27$1,220.42$1,225.25-2.32%3,576,464
Jul 27, 2026$1,250.99$1,317.66$1,236.88$1,254.38+1.43%1,635,229
Jul 20, 2026$1,221.62$1,255.71$1,192.08$1,236.71+1.83%1,713,552
Jul 13, 2026$1,277.66$1,280.82$1,195.00$1,214.43-5.96%1,818,703
Jul 6, 2026$1,359.99$1,359.99$1,280.50$1,291.35-4.24%1,338,604
Jun 29, 2026$1,318.74$1,350.74$1,304.74$1,348.49+1.81%1,682,901
Jun 22, 2026$1,319.99$1,361.77$1,280.70$1,324.56-0.28%2,334,292
Jun 15, 2026$1,273.38$1,337.34$1,265.95$1,328.31+5.75%1,997,047
Jun 8, 2026$1,238.61$1,265.43$1,203.35$1,256.05+1.40%1,494,304
Jun 1, 2026$1,243.88$1,255.24$1,201.86$1,238.74-1.56%1,852,750
May 26, 2026$1,226.29$1,285.00$1,211.29$1,258.32+3.69%1,653,823
May 18, 2026$1,148.18$1,221.20$1,145.01$1,213.51+5.62%2,307,853
May 11, 2026$1,218.74$1,226.55$1,143.40$1,148.97-5.44%1,856,405
May 4, 2026$1,156.83$1,262.26$1,149.22$1,215.08+5.25%2,213,242
Apr 27, 2026$1,146.40$1,173.00$1,128.21$1,154.45+0.55%1,598,433
Apr 20, 2026$1,265.27$1,274.76$1,136.26$1,148.18-9.30%2,578,108
Apr 13, 2026$1,207.20$1,303.06$1,201.03$1,265.88+4.86%1,895,526
Apr 6, 2026$1,168.00$1,234.13$1,158.50$1,207.18+3.44%1,227,720
Mar 30, 2026$1,148.09$1,183.96$1,123.61$1,167.00+2.37%2,120,845
Mar 23, 2026$1,192.07$1,211.74$1,137.06$1,140.03-3.17%1,969,753
Mar 16, 2026$1,222.77$1,264.39$1,169.36$1,177.39-3.07%2,417,067
Mar 9, 2026$1,287.81$1,287.81$1,208.49$1,214.66-6.17%1,922,270
Mar 2, 2026$1,310.28$1,334.23$1,279.67$1,294.53-0.63%1,424,454
Feb 23, 2026$1,331.33$1,334.70$1,263.23$1,302.79-2.70%1,808,489
Feb 17, 2026$1,298.83$1,350.03$1,278.81$1,338.98+4.07%1,178,536
Feb 9, 2026$1,279.37$1,339.83$1,276.11$1,286.67+0.09%1,921,240
Feb 2, 2026$1,430.10$1,440.87$1,245.80$1,285.53-9.95%3,609,207
Jan 26, 2026$1,413.22$1,448.92$1,401.08$1,427.54+0.59%1,552,126
Jan 20, 2026$1,444.60$1,459.99$1,393.35$1,419.19-2.12%1,390,628
Jan 12, 2026$1,391.49$1,463.03$1,374.48$1,450.00+4.16%1,479,688
Jan 5, 2026$1,358.29$1,414.52$1,355.59$1,392.09+2.47%2,065,545
Dec 29, 2025$1,310.00$1,359.98$1,304.39$1,358.55+3.77%900,053
Dec 22, 2025$1,280.00$1,319.89$1,276.54$1,309.24+2.54%748,488
Dec 15, 2025$1,306.58$1,312.34$1,237.09$1,276.83-1.38%2,775,847
Dec 8, 2025$1,344.54$1,356.94$1,276.99$1,294.65-3.88%1,644,077
Dec 1, 2025$1,351.06$1,367.65$1,332.13$1,346.86-0.98%976,219
Nov 24, 2025$1,341.36$1,362.87$1,331.79$1,360.17+0.96%1,117,325
Nov 17, 2025$1,347.29$1,365.69$1,317.03$1,347.22+0.49%1,620,739
Nov 10, 2025$1,281.50$1,359.15$1,270.00$1,340.60+4.35%2,083,334
Nov 3, 2025$1,308.83$1,310.80$1,251.21$1,284.76-1.82%1,294,237

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%