TransDigm Group INC
TDG- Exchange
- NYSE
- Industry
- Aircraft Parts & Auxiliary Equipment, NEC
- SEC CIK
- 0001260221
In the last 90 days, TransDigm Group INC insiders filed 0 open-market purchases and 6 sales; 1,146 institutions reported holding it in 13F filings for Q2 2026, worth $70.0B in total; superinvestors Third Point and Lone Pine Capital hold it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $38.7M in total
- 6
- 13F holdersQ2 2026, +46 vs. previous quarter
- 1,146
- 13F valueReported value at the end of Q2 2026
- $70.0B
- Superinvestors holdingAt the end of Q2 2026
- 2
Price chart
Superinvestors holding TDG, Q2 2026
2 superinvestors report holding TransDigm Group INC on Form 13F. Percentages are the stock's share of each portfolio.
Lone Pine Capital
Stephen Mandel
0.2%
TransDigm Group INC's share of the portfolio
- Shares
- 28,532
- Value
- $38.0M
Latest insider trades
Open-market purchases and sales by TransDigm Group INC insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 (view filing)5:09 PM ET | Sep 15 | 1 day | Reiss JoelCo-Chief Operating Officer | SSale | −3.90K | $1,094.58 | −$4.27M | −52.0%3.60K after | 27 lots10b5-1 |
| Aug 19, 2026 (view filing)4:21 PM ET | Aug 18 | 1 day | Howley W NicholasDirector | SSale | −10.1K | $1,236.28 | −$12.5M | −32.0%21.5K after | 14 lots10b5-1 |
| Aug 18, 2026 (view filing)4:26 PM ET | Aug 17 | 1 day | Reiss JoelCo-Chief Operating Officer | SSale | −3.90K | $1,238.76 | −$4.83M | −52.0%3.60K after | 19 lots10b5-1 |
| Jul 21, 2026 (view filing)4:47 PM ET | Jul 20 | 1 day | Howley W NicholasDirector | SSale | −10.1K | $1,216.08 | −$12.3M | −32.0%21.5K after | 12 lots10b5-1 |
| Jul 17, 2026 (view filing)4:17 PM ET | Jul 15 | 2 days | Reiss JoelCo-Chief Operating Officer | SSale | −414 | $1,231.11 | −$509.7K | −10.3%3.60K after | 4 lots10b5-1 |
| Jul 17, 2026 (view filing)4:16 PM ET | Jul 15 | 2 days | Reiss JoelCo-Chief Operating Officer | SSale | −3.49K | $1,216.21 | −$4.24M | −46.5%4.01K after | 29 lots10b5-1 |
| Jun 22, 2026 (view filing) | Jun 18 | 4 days | Howley W NicholasDirector | SSale | −10.1K | $1,319.55 | −$13.4M | −32.0%21.5K after | 22 lotsDuplicate filing |
| Jun 22, 2026 (view filing) | Jun 18 | 4 days | Howley W NicholasDirector | SSale | −10.1K | $1,319.55 | −$13.4M | −32.0%21.5K after | 22 lotsDuplicate filing |
| Jun 22, 2026 (view filing) | Jun 18 | 4 days | Howley W NicholasDirector | SSale | −10.1K | $1,319.55 | −$13.4M | −32.0%21.5K after | 22 lots |
| Jun 16, 2026 (view filing) | Jun 15 | 1 day | Reiss JoelCo-Chief Operating Officer | SSale | −3.90K | $1,276.78 | −$4.98M | −52.0%3.60K after | 18 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in TransDigm Group INC at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital International Investors | 5,062,682 | $6.74B | 1.39% | −432,013−7.9% | Reduced |
| BlackRock, Inc. | 4,871,505 | $6.49B | 0.10% | +270,253+5.9% | Added |
| Capital World Investors | 4,274,109 | $5.69B | 0.67% | −392,382−8.4% | Reduced |
| Vanguard Capital Management LLC | 3,653,511 | $4.87B | 0.10% | −16,218−0.4% | Reduced |
| Capital Research Global Investors | 3,119,490 | $4.16B | 0.58% | −24,019−0.8% | Reduced |
| Vanguard Portfolio Management LLC | 2,580,994 | $3.44B | 0.15% | +7,907+0.3% | Added |
| State Street Corp | 2,559,096 | $3.41B | 0.10% | +42,490+1.7% | Added |
| Principal Financial Group Inc | 1,709,129 | $2.28B | 1.12% | −304,655−15.1% | Reduced |
| Geode Capital Management, LLC | 1,286,385 | $1.71B | 0.09% | +9,941+0.8% | Added |
| FMR LLC | 1,091,534 | $1.45B | 0.06% | −267,005−19.7% | Reduced |