Transdigm Group (TDG) Superinvestor holders
34 of the superinvestors we track hold Transdigm Group (TDG) in their latest 13F filings, $4.1B in total.
Summary
The largest holder is Mark Massey (AltaRock Partners LP), with $1.2B, 27.5% of the portfolio.
In their latest quarter: 2 opened a new position, 9 added, 18 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Mark Massey AltaRock Partners LP |
Trimmed | 875,755 | $1.2B | 27.5% | Q2 2026 |
| PRIMECAP Management PRIMECAP Management Co |
Held | 410,217 | $546M | 0.3% | Q2 2026 |
| George Loening Select Equity Group |
Added | 353,230 | $471M | 2.5% | Q2 2026 |
| Alan Breed Edgewood Management |
Trimmed | 278,240 | $371M | 3.8% | Q2 2026 |
| C.T. Fitzpatrick Vulcan Value Partners |
Trimmed | 170,429 | $227M | 6.9% | Q2 2026 |
| Takis Sparaggis Alkeon Capital Management |
Held | 149,078 | $199M | 0.8% | Q2 2026 |
| Triple Frond Partners | Held | 106,544 | $142M | 12.7% | Q2 2026 |
| Frank Sands Sands Capital Management |
Trimmed | 89,669 | $119M | 0.4% | Q2 2026 |
| Dan Loeb Third Point LLC |
Added | 79,000 | $105M | 2.3% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 78,501 | $105M | 0.2% | Q2 2026 |
| Alex Captain Cat Rock Capital Management |
Added | 63,339 | $84M | 19.6% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Added | 49,202 | $66M | 0.1% | Q2 2026 |
| Two Sigma Two Sigma Investments |
New position | 44,914 | $60M | 0.0% | Q2 2026 |
| Arrowstreet Capital | Added | 39,099 | $52M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 39,089 | $52M | 0.1% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Trimmed | 31,623 | $42M | 0.2% | Q2 2026 |
| Stephen Mandel Lone Pine Capital |
Trimmed | 28,532 | $38M | 0.2% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 28,466 | $38M | 0.1% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Added | 25,620 | $34M | 0.0% | Q2 2026 |
| Bryan Lawrence Oakcliff Capital Partners |
Held | 24,170 | $32M | 12.0% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 21,370 | $28M | 0.0% | Q2 2026 |
| Jennison Associates | Added | 17,717 | $24M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 15,303 | $20M | 0.0% | Q2 2026 |
| Alger Fred Alger Management |
Trimmed | 8,290 | $11M | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
New position | 5,874 | $8M | 0.3% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 5,845 | $8M | 0.2% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 4,060 | $5M | 0.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Trimmed | 3,787 | $5M | 0.0% | Q2 2026 |
| Thornburg Thornburg Investment Management |
Trimmed | 2,425 | $3M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 1,855 | $2M | 0.0% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Trimmed | 500 | $666,020 | 0.0% | Q2 2026 |
| First Manhattan First Manhattan Co |
Held | 493 | $656,696 | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Trimmed | 250 | $333,010 | 0.0% | Q2 2026 |
| Ken Fisher Fisher Investments |
Trimmed | 280 | $303,714 | 0.0% | Q3 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 35 |
| Q1 2026 | 34 |
| Q4 2025 | 33 |
| Q3 2025 | 27 |
| Q2 2025 | 30 |
| Q1 2025 | 31 |
| Q4 2024 | 30 |
| Q3 2024 | 31 |
Questions about Transdigm Group
Which superinvestors own Transdigm Group?
34 of the superinvestors we track hold Transdigm Group (TDG) in their latest 13F filings, $4.1B in total. Mark Massey, PRIMECAP Management, George Loening, Alan Breed, C.T. Fitzpatrick, Takis Sparaggis.
Who is the largest superinvestor holder of TDG?
The largest holder is Mark Massey (AltaRock Partners LP), with $1.2B, 27.5% of the portfolio.
From Transdigm Group's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.