TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 6,191 Value ($000) $1,198 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 36,141 Value ($000) $4,974 Avg Close $109.09 Range $88.44 - $138.14

Q2 2025

Shares 14,399 Value ($000) $1,295 Avg Close $79.69 Range $65.55 - $91.58

Q1 2025

Shares 9,942 Value ($000) $821 Avg Close $111.43 Range $79.34 - $143.53

Q4 2024

Shares 8,000 Value ($000) $1,007 Avg Close $117.75 Range $101.33 - $134.62

Q3 2024

Shares 298,000 Value ($000) $39,911 Avg Close $133.97 Range $108.45 - $162.17

Q2 2024

Shares 290,249 Value ($000) $43,041 Avg Close $126.14 Range $95.11 - $151.26

Q1 2024

Shares 6,052 Value ($000) $683 Avg Close $103.38 Range $91.51 - $112.64

Q4 2023

Shares 100,000 Value ($000) $10,852 Avg Close $94.00 Range $80.30 - $110.31

Q3 2023

Shares 209,876 Value ($000) $21,084 Avg Close $104.39 Range $93.98 - $117.94

Q2 2023

Shares 136,200 Value ($000) $15,163 Avg Close $99.13 Range $87.50 - $111.38

Q4 2022

Shares 62,276 Value ($000) $5,440 Avg Close $84.55 Range $66.87 - $97.89

Q3 2022

Shares 5,600 Value ($000) $421 Avg Close $89.83 Range $73.97 - $103.66

Q1 2022

Shares 99 Value ($000) $12 Avg Close $124.55 Range $100.76 - $164.83

Q4 2021

Shares 16,299 Value ($000) $2,665 Avg Close $138.21 Range $103.37 - $166.03

Q3 2021

Shares 99 Value ($000) $11 Avg Close $119.31 Range $107.16 - $131.39

Q2 2021

Shares 99 Value ($000) $13 Avg Close $125.54 Range $111.97 - $136.59

Q1 2021

Shares 29,896 Value ($000) $3,638 Avg Close $123.17 Range $102.04 - $144.94

Q4 2020

Shares 5,569 Value ($000) $668 Avg Close $100.07 Range $76.67 - $119.92

Q3 2020

Shares 38,600 Value ($000) $3,067 Avg Close $82.97 Range $72.53 - $91.38

Q2 2020

Shares 38,600 Value ($000) $3,262 Avg Close $65.50 Range $49.94 - $83.54

Q1 2020

Shares 11,175 Value ($000) $605 Avg Close $61.91 Range $41.86 - $79.53

Q4 2019

Shares 357,520 Value ($000) $24,379 Avg Close $61.85 Range $55.39 - $68.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,191	$1,198	$171.50	$131.65 - $205.00
Q3 2025	36,141	$4,974	$109.09	$88.44 - $138.14
Q2 2025	14,399	$1,295	$79.69	$65.55 - $91.58
Q1 2025	9,942	$821	$111.43	$79.34 - $143.53
Q4 2024	8,000	$1,007	$117.75	$101.33 - $134.62
Q3 2024	298,000	$39,911	$133.97	$108.45 - $162.17
Q2 2024	290,249	$43,041	$126.14	$95.11 - $151.26
Q1 2024	6,052	$683	$103.38	$91.51 - $112.64
Q4 2023	100,000	$10,852	$94.00	$80.30 - $110.31
Q3 2023	209,876	$21,084	$104.39	$93.98 - $117.94
Q2 2023	136,200	$15,163	$99.13	$87.50 - $111.38
Q4 2022	62,276	$5,440	$84.55	$66.87 - $97.89
Q3 2022	5,600	$421	$89.83	$73.97 - $103.66
Q1 2022	99	$12	$124.55	$100.76 - $164.83
Q4 2021	16,299	$2,665	$138.21	$103.37 - $166.03
Q3 2021	99	$11	$119.31	$107.16 - $131.39
Q2 2021	99	$13	$125.54	$111.97 - $136.59
Q1 2021	29,896	$3,638	$123.17	$102.04 - $144.94
Q4 2020	5,569	$668	$100.07	$76.67 - $119.92
Q3 2020	38,600	$3,067	$82.97	$72.53 - $91.38
Q2 2020	38,600	$3,262	$65.50	$49.94 - $83.54
Q1 2020	11,175	$605	$61.91	$41.86 - $79.53
Q4 2019	357,520	$24,379	$61.85	$55.39 - $68.15