Question 1

How many shares of TER does PRIMECAP MANAGEMENT CO/CA/ own?

Accepted Answer

As of 2026-Q2, PRIMECAP MANAGEMENT CO/CA/ holds 485,840 shares of TER (TERADYNE INC).

Question 2

What is PRIMECAP MANAGEMENT CO/CA/'s TER position worth?

Accepted Answer

As of 2026-Q2, PRIMECAP MANAGEMENT CO/CA/'s TER position is worth $235.1M.

Question 3

Is PRIMECAP MANAGEMENT CO/CA/ buying or selling TER?

Accepted Answer

In 2026-Q2, PRIMECAP MANAGEMENT CO/CA/ decreased their TER position (-11.8% change in shares).

Question 4

When did PRIMECAP MANAGEMENT CO/CA/ first buy TER?

Accepted Answer

Based on available 13F filings, PRIMECAP MANAGEMENT CO/CA/ first reported a position in TER in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	485,840	-11.8%	$235.1M	0.1%	$483.84	0
2026-Q1	Decreased	550,610	-23.2%	$163.2M	0.1%	$304.22	0
2025-Q4	Decreased	716,570	-71.9%	$138.7M	0.1%	$196.59	0
2025-Q3	Decreased	2.6M	-16.3%	$351.2M	0.3%	$134.17	0
2025-Q2	Increased	3M	+58.6%	$274M	0.2%	$90.15	53
2025-Q1	Decreased	1.9M	-1.9%	$158.7M	0.1%	$82.47	0
2024-Q4	Decreased	2M	-0.4%	$246.6M	0.2%	$126.10	0
2024-Q3	Decreased	2M	-3.6%	$263.3M	0.2%	$133.85	0