TransDigm Group INC
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
$1213.62+66.81 (+5.83%)
Close on Nov 2, 2026Market cap $67.08BP/E 34.0Yield –
TransDigm Share of Net Sales from Largest Customer by Year
Share of Net Sales from Largest Customer — The Boeing Company (%)
TransDigm Share of Net Sales from Largest Customer: 10.0% in FY2025, unchanged from a year earlier.
Latest, FY2025
10.0%
Period ended Sep 30, 2025
Change on a year earlier
0.0 pts
10.0% in FY2024
History
13 years
Since FY2013
Sources
11
Documents cited below
Where the FY2025 figure comes from
Source: TDG Form 10-K, filed 2025-11-12 ↗
Reported in SEC Form 10-K Note 18/21 (Concentration of Credit Risk / Major Customers XBRL).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Share of Net Sales from Largest Customer — The Boeing Company (%) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Sep 30, 2025 | 10.0% | 0.0 pts | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2024 | Sep 30, 2024 | 10.0% | 0.0 pts | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2023 | Sep 30, 2023 | 10.0% | 0.0 pts | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2022 | Sep 30, 2022 | 10.0% | 0.0 pts | TDG Form 10-K, filed 2024-11-07 ↗ |
| FY2021 | Sep 30, 2021 | 10.0% | 0.0 pts | TDG Form 10-K, filed 2023-11-09 ↗ |
| FY2020 | Sep 30, 2020 | 10.0% | -30.0 pts | TDG Form 10-K, filed 2022-11-10 ↗ |
| FY2019 | Sep 30, 2019 | 40.0% | +29.0 pts | TDG Form 10-K, filed 2021-11-16 ↗ |
| FY2018 | Sep 30, 2018 | 11.0% | -2.0 pts | TDG Form 10-K, filed 2020-11-12 ↗ |
| FY2017 | Sep 30, 2017 | 13.0% | 0.0 pts | TDG Form 10-K, filed 2019-11-19 ↗ |
| FY2016 | Sep 30, 2016 | 13.0% | +2.0 pts | TDG Form 10-K, filed 2018-11-09 ↗ |
| FY2015 | Sep 30, 2015 | 11.0% | +3.0 pts | TDG Form 10-K, filed 2017-11-13 ↗ |
| FY2014 | Sep 30, 2014 | 8.0% | -5.0 pts | TDG Form 10-K, filed 2016-11-15 ↗ |
| FY2013 | Sep 30, 2013 | 13.0% | – | TDG Form 10-K, filed 2015-11-13 ↗ |
Cite this data
StockData. (2026). TransDigm Share of Net Sales from Largest Customer (%), annual FY2013–FY2025 [Data set]. Compiled from TransDigm SEC filings and investor materials. https://stockdatahq.com/stocks/tdg/kpis/top1-cust-pct
See every metric in the TransDigm KPI table. Data updated Nov 2, 2026.