TransDigm
- Market cap
- 60.59B
- P/E (TTM)i
- 33.25
- P/Bi
- -6.18
- EPSi
- 32.08
- Div yieldi
- 0.00%
- 52W posi
- 6%
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
- The number of reporting institutions decreased by 4 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.5 percentage points.
Institutional ownership
- Held by institutions
- 96.83% -0.45pp
- Institutions
- 1,321 -4
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
DivergingInstitutions trimmed shares last reporting period, and the stock has seen net inflows in main-fund flow over the last 20 trading sessions - the two are pointing in different directions.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Top holders as of 2026-06-30
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 23 buys · 27 sells
| Name | Role | Stake |
|---|---|---|
| Robert Small | Independent Director | 0.12% |
| Sean Hennessy | Independent Director | 0.06% |
| David Barr | Independent Director | 0.06% |
| Walter Howley | Non-Executive Chairperson | 0.05% |
| Michael Graff | Independent Director | 0.02% |
| Jorge Valladares | Director | 0.02% |
| Kevin Stein | Chief Executive Officer | 0.01% |
| Michael Lisman | Co-Chief Operating Officer | 0.01% |
| Sarah Wynne | Chief Financial Officer | 0.01% |
| Peter Palmer | Executive Vice President | 0.01% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-17 | David Barr | Independent Director | Other Acquisition | +46 | $1,085.00 |
| 2026-09-17 | Robert Small | Independent Director | Other Acquisition | +52 | $1,085.00 |
| 2026-09-17 | Gary McCullough | Independent Director | Other Acquisition | +41 | $1,085.00 |
| 2026-09-17 | Sean Hennessy | Independent Director | Other Acquisition | +46 | $1,085.00 |
| 2026-09-17 | Walter Howley | Non-Executive Chairperson | Other Acquisition | +126 | $1,085.00 |
| 2026-09-17 | Michael Graff | Independent Director | Other Acquisition | +34 | $1,085.00 |
| 2026-09-17 | Irina Krasik | Director | Other Acquisition | +13 | $1,085.00 |
| 2026-09-17 | Peter Palmer | Executive Vice President | Other Acquisition | +34 | $1,085.00 |
| 2026-09-17 | Michele Santana | Independent Director | Other Acquisition | +34 | $1,085.00 |
| 2026-09-17 | Jane Cronin | Independent Director | Other Acquisition | +34 | $1,085.00 |
| 2026-09-14 | Joel Reiss | Co-Chief Operating Officer | Derivative Exercise and Sale | -3,900 | $284.97–1,119.00 |
| 2026-08-17 | Walter Howley | Non-Executive Chairperson | Derivative Exercise and Sale | -10,132 | $66.47–1,241.14 |
| 2026-08-16 | Joel Reiss | Co-Chief Operating Officer | Derivative Exercise and Sale | -3,900 | $284.97–1,253.08 |
| 2026-07-19 | Walter Howley | Non-Executive Chairperson | Derivative Exercise and Sale | -10,132 | $66.47–1,224.14 |
| 2026-06-17 | Walter Howley | Non-Executive Chairperson | Intent to Sell (Form 144) | -30,396 | $1,319.55 |
| 2026-06-14 | Joel Reiss | Co-Chief Operating Officer | Derivative Exercise and Sale | -3,900 | $284.97–1,287.59 |
| 2026-05-17 | Walter Howley | Non-Executive Chairperson | Derivative Exercise and Sale | -10,132 | $66.47–1,189.02 |
| 2026-05-14 | Joel Reiss | Co-Chief Operating Officer | Derivative Exercise and Sale | -3,900 | $284.97–1,175.28 |
| 2026-04-19 | Walter Howley | Non-Executive Chairperson | Derivative Exercise and Sale | -10,132 | $50.92–1,271.63 |
| 2026-04-14 | Joel Reiss | Co-Chief Operating Officer | Derivative Exercise and Sale | -3,900 | $284.97–1,294.77 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 08:17:06 · For reference only, not investment advice and not tailored to your situation.