VANGUARD GROUP INC 13D and 13G filings for Teradyne, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-27 1:33 pm Sale | 2026-03-13 | 13G | TERADYNE INC TER | VANGUARD GROUP INC | 0 0.000% | -20,972,755 (Position Closed) | Filing |
| 2025-07-29 2:40 pm Purchase | 2025-06-30 | 13G | TERADYNE INC TER | VANGUARD GROUP INC | 20,972,755 13.070% | 2,686,877 (+14.69%) | Filing |
| 2024-02-13 5:15 pm Purchase | 2023-12-29 | 13G | TERADYNE INC TER | VANGUARD GROUP INC | 18,285,878 11.960% | 261,040 (+1.45%) | Filing |
| 2023-02-09 11:35 am Purchase | 2022-12-30 | 13G | TERADYNE INC TER | VANGUARD GROUP INC | 18,024,838 11.570% | 51,077 (+0.28%) | Filing |
| 2022-02-10 08:42 am Sale | 2021-12-31 | 13G | TERADYNE INC TER | VANGUARD GROUP INC | 17,973,761 11.030% | -1,121,510 (-5.87%) | Filing |