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 Top 10 Customers Concentration by Year
Top 10 Customers Concentration (%)
TransDigm Top 10 Customers Concentration: 40.0% in FY2025, down 2.0 pts from a year earlier. That is the lowest of the 8 years on record here.
Latest, FY2025
40.0%
Period ended Sep 30, 2025
Change on a year earlier
-2.0 pts
42.0% in FY2024
History
8 years
Since FY2018
Sources
8
Documents cited below
Where the FY2025 figure comes from
“Our top ten customers for fiscal year 2025 accounted for approximately 40% of our net sales.”
Source: TDG Form 10-K, filed 2025-11-12 ↗
Reported in SEC Form 10-K Item 1 (Customers).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Top 10 Customers Concentration (%) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Sep 30, 2025 | 40.0% | -2.0 pts | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2024 | Sep 30, 2024 | 42.0% | +1.0 pts | TDG Form 10-K, filed 2024-11-07 ↗ |
| FY2023 | Sep 30, 2023 | 41.0% | 0.0 pts | TDG Form 10-K, filed 2023-11-09 ↗ |
| FY2022 | Sep 30, 2022 | 41.0% | -1.0 pts | TDG Form 10-K, filed 2022-11-10 ↗ |
| FY2021 | Sep 30, 2021 | 42.0% | -2.0 pts | TDG Form 10-K, filed 2021-11-16 ↗ |
| FY2020 | Sep 30, 2020 | 44.0% | +2.0 pts | TDG Form 10-K, filed 2020-11-12 ↗ |
| FY2019 | Sep 30, 2019 | 42.0% | -1.0 pts | TDG Form 10-K, filed 2019-11-19 ↗ |
| FY2018 | Sep 30, 2018 | 43.0% | – | TDG Form 10-K, filed 2018-11-09 ↗ |
Cite this data
StockData. (2026). TransDigm Top 10 Customers Concentration (%), annual FY2018–FY2025 [Data set]. Compiled from TransDigm SEC filings and investor materials. https://stockdatahq.com/stocks/tdg/kpis/top10-customers-share-pct
See every metric in the TransDigm KPI table. Data updated Nov 2, 2026.