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.
Holders of 5% or more of TDG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of TransDigm Group INC, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Capital International Investors | 13G/A | 9.90%5.58M shares | – | Feb 16, 20215 filings | May 14, 2026 | SEC |
| Capital World Investors | 13G/A | 8.30%4.71M shares | +1.50 ppfrom 6.80% | Feb 16, 20214 filings | May 14, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 7.48%4.22M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| Capital Research Global Investors | 13G | 5.60%3.15M shares | New | May 14, 20261 filing | May 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
30 Schedule 13D and 13G filings on TransDigm Group INC, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 14, 20261:55 PM ET | Capital World Investors | 13G/A | 8.30%4.71M shares | +1.50 ppfrom 6.80% | Mar 31, 2026 | SEC |
| May 14, 202612:52 PM ET | Capital International Investors | 13G/A | 9.90%5.58M shares | – | Mar 31, 2026 | SEC |
| May 14, 202610:19 AM ET | Capital Research Global Investors | 13G | 5.60%3.15M shares | New | Mar 31, 2026 | SEC |
| Apr 30, 20262:11 PM ET | Vanguard Capital Management LLC | 13G | 7.48%4.22M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:33 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −11.91 ppfrom 11.91%Below 5% | Mar 13, 2026 | SEC |
| Jul 29, 20252:40 PM ET | Vanguard Group Inc | 13G/A | 11.91%6.69M shares | – | Jun 30, 2025 | SEC |
| Feb 13, 20254:53 PM ET | Capital World Investors | 13G/A | 6.80%3.81M shares | – | Dec 31, 2024 | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Oct 22, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Principal Global Investors | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Capital World Investors | 13GOld format | – | – | – | SEC |
| Feb 9, 2024 | Capital International Investors | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20244:59 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 15, 2023 | Principal Global Investors | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Capital International Investors | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 30, 20239:06 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202310:36 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Mar 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 15, 2022 | Principal Global Investors | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Capital International Investors | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 2, 20227:18 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Capital International Investors | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Capital World Investors | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Principal Global Investors | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 1, 20218:30 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
44 notices from officers, directors and other affiliates planning to sell TransDigm Group INC shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Jun 12, 20254:20 PM ET | Sarah WynneOfficer | 5.00K | $7.15M | Jun 12, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 10, 20253:38 PM ET | Stockbridge Partners LLCMay be an affiliate | 195.0K | $285.8M | Jun 10, 2025 | Goldman, Sachs & Co., | SEC |
| May 20, 20254:24 PM ET | Sean P HennessyDirector | 4.70K | $6.75M | May 20, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 20, 20254:00 PM ET | Reiss JoelOfficer | 6.30K | $9.04M | May 20, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| May 13, 20254:25 PM ET | Valladares III Jorge L.Director | 10.0K | $14.3M | May 13, 2025 | Stifel Nicolaus & Company Inc | SEC |
| Mar 6, 20259:29 AM ET | Stockbridge Partners LLCMay be deemed affiliate. | 100.0K | $137.5M | Mar 6, 2025 | Glen Eagle Wealth, LLC | SEC |
| Mar 4, 20255:41 PM ET | Jessica L WarrenOfficer | 275 | $378.5K | Mar 4, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Feb 20, 20254:08 PM ET | Reiss JoelAffiliate | 12.0K | $16.1M | Feb 20, 202510b5-1 | Stifel Nicolaus | SEC |
| Feb 14, 20255:42 PM ET | Robert SmallDirector | 3.65K | $4.83M | Feb 14, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jan 15, 20254:03 PM ET | Howley W NicholasOfficer | 21.9K | $28.5M | Jan 15, 202510b5-1 | Stifel Nicolaus & Company Inc. | SEC |
| Dec 20, 20244:15 PM ET | Reiss JoelAffiliate | 9.00K | $11.3M | Dec 20, 202410b5-1 | Stifel Nicolaus | SEC |
| Dec 12, 20244:48 PM ET | Stein Kevin MOfficer | 80.0K | $99.7M | Dec 12, 202410b5-1 | Stifel Investments | SEC |
| Dec 12, 20249:42 AM ET | Stockbridge Partners LLCMay be deemed affiliate. | 45.0K | $56.1M | Dec 12, 2024 | Glen Eagle Wealth, LLC | SEC |
| Sep 16, 20244:03 PM ET | Howley W NicholasOfficer | 21.9K | $29.9M | Sep 16, 202410b5-1 | Stifel Nicolaus & Company Inc. | SEC |
| Sep 16, 20244:02 PM ET | Reiss JoelAffiliate | 6.00K | $8.20M | Sep 16, 202410b5-1 | Stifel Nicolaus | SEC |
| Jun 17, 20244:45 PM ET | Howley W NicholasOfficer | 16.4K | $21.3M | Jun 17, 202410b5-1 | Stifel Nicolaus & Company Inc. | SEC |
| Jun 17, 20244:44 PM ET | Reiss JoelAffiliate | 9.00K | $11.7M | Jun 17, 202410b5-1 | Stifel Nicolaus | SEC |
| Jun 12, 20244:17 PM ET | Stein Kevin MOfficer | 30.0K | $38.8M | Jun 12, 202410b5-1 | Stifel Investments | SEC |
| Jun 7, 202411:39 AM ET | Stockbridge Partners LLCMay be deemed affiliate. | 400.0K | $533.9M | Jun 7, 2024 | Glen Eagle Wealth, LLC | SEC |
| Jun 6, 20244:36 PM ET | Warren Jessica LGeneral Counsel | 925 | $1.26M | Jun 6, 2024 | Stifel Nicolaus & Company Inc. | SEC |
| Mar 15, 20244:15 PM ET | Reiss JoelAffiliate | 9.00K | $10.7M | Mar 15, 202410b5-1 | Stifel Nicolaus | SEC |
| Mar 12, 20244:17 PM ET | Stein Kevin MOfficer | 30.0K | $34.6M | Mar 12, 202410b5-1 | Stifel Investments | SEC |
| Feb 27, 20244:40 PM ET | Stockbridge Partners LLCMay be deemed affiliate. | 1.20M | $1.42B | Feb 27, 2024 | Glen Eagle Wealth, LLC | SEC |
| Feb 26, 20244:23 PM ET | Valladares JorgeDirector | 29.0K | $34.8M | Feb 26, 2024 | Stifel Nicolaus & Company Inc | SEC |
| Feb 23, 20244:31 PM ET | Lisman MichaelOfficer | 24.0K | $28.6M | Feb 23, 2024 | Stifel Nicolaus & Company Inc. | SEC |
Showing the latest 25. See the TDG notices from the last 12 months