Teledyne Technologies
TDY · NYSE
Who owns TDY
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 45.4% of TDY’s shares.
- T. Rowe Price Associates, Inc.6.7%
- Vanguard Capital Management, LLC6.5%
- BlackRock Institutional Trust Company, N.A.6.4%
- Vanguard Portfolio Management, LLC5.1%
- Next 6 largest institutions20.7%
- All other shareholders54.6%
| Holder | Shares | % of shares |
|---|---|---|
| T. Rowe Price Associates, Inc. | 3.08M | 6.65% |
| Vanguard Capital Management, LLC | 3.03M | 6.53% |
| BlackRock Institutional Trust Company, N.A. | 2.97M | 6.40% |
| Vanguard Portfolio Management, LLC | 2.38M | 5.14% |
| State Street Investment Management (US) | 2.27M | 4.89% |
| Dodge & Cox | 1.61M | 3.48% |
| Janus Henderson Investors | 1.54M | 3.32% |
| Aristotle Capital Management, LLC | 1.52M | 3.27% |
| Fidelity Investments Canada ULC | 1.34M | 2.88% |
| Geode Capital Management, L.L.C. | 1.32M | 2.84% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 1.48M | 3.18% |
| Dodge & Cox Stock Fund | 1.22M | 2.63% |
| Vanguard 500 Index Fund | 1.22M | 2.62% |
| Vanguard Mid-Cap Index Fund | 1.00M | 2.16% |
| Janus Henderson Enterprise Fund | 848.27K | 1.83% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.71M (5 trades) of TDY on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| VON SCHACK WESLEY W | Sale | 468 | $321.34K |
| LORNE SIMON M | Sale | 958 | $654.13K |
| LORNE SIMON M | Sale | 40 | $27.27K |
| LORNE SIMON M | Sale | 2.00K | $1.36M |
| LORNE SIMON M | Sale | 3.45K | $2.35M |
| Blackwood Stephen Finis | Award | 2.47K | — |
| Belak Cynthia Y | Award | 1.25K | — |
| VanWees Jason | Option exercise | 126 | — |
| VanWees Jason | Award | 272 | — |
| VanWees Jason | Award | 2.42K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| April DelaneyHouse | Sale | $15K–$50K | Aug 25, 2026 |
| April DelaneyHouse | Sale | $1K–$15K | Aug 24, 2026 |
| April DelaneyHouse | Sale | $1K–$15K | Aug 21, 2026 |
| April DelaneyHouse | Sale | $1K–$15K | Aug 20, 2026 |
| April DelaneyHouse | Sale | $1K–$15K | Aug 19, 2026 |
| Alan ArmstrongSenator | Sale (Full) | $50K–$100K | Mar 27, 2026 |
| April McClainHouse | Sale | $1K–$15K | Dec 2, 2025 |
| April McClainHouse | Sale | $1K–$15K | Oct 31, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.12M
- Days to cover
- 3.58
- % of shares outstanding
- 2.41%
- Average daily volume
- 312.88K
- Change since last report
- +24.5%
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