TDG TransDigm
Industrials, filed as TRANSDIGM GROUP INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
Bought by 1 manager in 2026 Q2, sold by 3
In 2026 Q2 Dan Loeb added to TransDigm, while Altarock Partners, Vulcan Value Partners, and Stephen Mandel trimmed.
Who owns this now
Largest portfolio weights among holders, up to 27.5% (Altarock Partners). Not free-float ownership.
Who owns TDG
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Eric Mandelblatt, Soroban Capital Partners | Small add +4.9% | 898,197 | $1.2B | History | |
| Altarock Partners | Reduce −3.7% | 875,755 | $1.2B | History | |
| Vulcan Value Partners | Reduce −7.5% | 170,429 | $227M | History | |
| Triple Frond Partners | Hold | 106,544 | $142M | History | |
| Dan Loeb, Third Point | Add +216.0% | 79,000 | $105M | History | |
| Ron Baron, Bamco Inc. (Baron Capital) | Small trim −0.2% | 78,501 | $105M | History | |
| Stephen Mandel, Lone Pine Capital | Reduce −20.0% | 28,532 | $38M | History | |
| Bryan Lawrence, Oakcliff Capital Partners | Hold | 24,170 | $32M | History |
Insider trades
Open-market buys and sales by TDG's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $3.8M bought by 2 insiders
- $173M sold by 3 insiders outside a trading plan
- $320M sold by 4 insiders under 10b5-1 plans
-
Joel Reiss COOPlanned sale$4.6M 4,100 shares at $1,128.04 53% of stakeTraded Oct 15 Filed Oct 16
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Joel Reiss COOPlanned sale$4.3M 3,900 shares at $1,094.58 52% of stakeTraded Sep 15 Filed Sep 16
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W Nicholas Howley DirectorPlanned sale$12.5M 10,132 shares at $1,236.28 32% of stakeTraded Aug 18 Filed Aug 19
-
Joel Reiss COOPlanned sale$4.8M 3,900 shares at $1,238.76 52% of stakeTraded Aug 17 Filed Aug 18
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W Nicholas Howley DirectorPlanned sale$12.3M 10,132 shares at $1,216.08 32% of stakeTraded Jul 20 Filed Jul 21
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Joel Reiss COOPlanned sale$510K 414 shares at $1,231.11 10% of stakeTraded Jul 15 Filed Jul 17
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Joel Reiss COOPlanned sale$4.2M 3,486 shares at $1,216.21 47% of stakeTraded Jul 15 Filed Jul 17
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W Nicholas Howley DirectorSale$13.4M 10,132 shares at $1,319.55 32% of stakeTraded Jun 18 Filed Jun 22
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Joel Reiss COOSale$5M 3,900 shares at $1,276.78 52% of stakeTraded Jun 15 Filed Jun 16
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W Nicholas Howley DirectorPlanned sale$12M 10,132 shares at $1,180.82 32% of stakeTraded May 18 Filed May 19
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Joel Reiss COOPlanned sale$4.5M 3,900 shares at $1,154.09 52% of stakeTraded May 15 Filed May 18
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W Nicholas Howley DirectorPlanned sale$12.8M 10,132 shares at $1,265.06 32% of stakeTraded Apr 20 Filed Apr 21
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Joel Reiss COOPlanned sale$5M 3,900 shares at $1,280.46 52% of stakeTraded Apr 15 Filed Apr 16
Also filed in the last 12 months, not counted as buying or selling: 44 option exercises, 18 stock grants, 2 other transactions, and 1 gift.
Congress
8 members of Congress traded TDG in the last three years: 20 buys and 11 sales. 6 members listed it in 2025 annual reports.
-
April McClain Delaney
Sell
$100K–$250K
Aug 25
filed Sep 9
-
April McClain Delaney
Buy
$1K–$15K
Jul 28
filed Aug 3
- Alan Armstrong Buy $1K–$15K Mar 27 filed Jul 21
-
April McClain Delaney
Buy
$1K–$15K
May 22
filed Jun 5
-
April McClain Delaney
Buy
$1K–$15K
May 21
filed Jun 5
-
April McClain Delaney
Buy
$1K–$15K
May 13
filed Jun 5
SEC filings
Recent issuer filings from EDGAR, 14 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 1.01,2.03,9.01 | Filing Doc | |
| 8-K | 8.01,9.01 | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| 8-K | 7.01 | Filing Doc | |
| 8-K | 7.01 | Filing Doc | |
| 8-K | 7.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| 8-K | 8.01,9.01 | Filing Doc | |
| 8-K | 5.02 | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.