TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 13,309 Value ($000) $2,576 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 13,337 Value ($000) $1,836 Avg Close $109.09 Range $88.44 - $138.14

Q2 2025

Shares 12,629 Value ($000) $1,136 Avg Close $79.69 Range $65.55 - $91.58

Q1 2025

Shares 12,823 Value ($000) $1,059 Avg Close $111.43 Range $79.34 - $143.53

Q4 2024

Shares 12,960 Value ($000) $1,632 Avg Close $117.75 Range $101.33 - $134.62

Q3 2024

Shares 13,215 Value ($000) $1,770 Avg Close $133.97 Range $108.45 - $162.17

Q2 2024

Shares 13,241 Value ($000) $1,964 Avg Close $126.14 Range $95.11 - $151.26

Q1 2024

Shares 15,004 Value ($000) $1,693 Avg Close $103.38 Range $91.51 - $112.64

Q4 2023

Shares 14,921 Value ($000) $1,619 Avg Close $94.00 Range $80.30 - $110.31

Q3 2023

Shares 14,667 Value ($000) $1,473 Avg Close $104.39 Range $93.98 - $117.94

Q2 2023

Shares 15,302 Value ($000) $1,704 Avg Close $99.13 Range $87.50 - $111.38

Q1 2023

Shares 14,224 Value ($000) $1,529 Avg Close $101.02 Range $84.46 - $110.63

Q4 2022

Shares 12,932 Value ($000) $1,130 Avg Close $84.55 Range $66.87 - $97.89

Q3 2022

Shares 12,829 Value ($000) $964 Avg Close $89.83 Range $73.97 - $103.66

Q2 2022

Shares 12,779 Value ($000) $1,144 Avg Close $102.39 Range $84.37 - $118.26

Q1 2022

Shares 12,739 Value ($000) $1,506 Avg Close $124.55 Range $100.76 - $164.83

Q4 2021

Shares 12,997 Value ($000) $2,125 Avg Close $138.21 Range $103.37 - $166.03

Q3 2021

Shares 12,768 Value ($000) $1,394 Avg Close $119.31 Range $107.16 - $131.39

Q2 2021

Shares 12,689 Value ($000) $1,700 Avg Close $125.54 Range $111.97 - $136.59

Q1 2021

Shares 12,628 Value ($000) $1,537 Avg Close $123.17 Range $102.04 - $144.94

Q4 2020

Shares 13,020 Value ($000) $1,561 Avg Close $100.07 Range $76.67 - $119.92

Q3 2020

Shares 11,149 Value ($000) $886 Avg Close $82.97 Range $72.53 - $91.38

Q2 2020

Shares 11,132 Value ($000) $941 Avg Close $65.50 Range $49.94 - $83.54

Q1 2020

Shares 11,122 Value ($000) $602 Avg Close $61.91 Range $41.86 - $79.53

Q4 2019

Shares 11,275 Value ($000) $769 Avg Close $61.85 Range $55.39 - $68.15

Q3 2019

Shares 11,073 Value ($000) $641 Avg Close $51.49 Range $42.56 - $58.17

Q2 2019

Shares 40,448 Value ($000) $1,938 Avg Close $44.06 Range $38.92 - $48.33

Q1 2019

Shares 40,467 Value ($000) $1,612 Avg Close $36.20 Range $28.63 - $41.21

Q4 2018

Shares 39,267 Value ($000) $1,288 Avg Close $32.78 Range $27.80 - $36.35

Q3 2018

Shares 29,695 Value ($000) $1,098 Avg Close $38.82 Range $35.18 - $44.12

Q2 2018

Shares 29,194 Value ($000) $1,111 Avg Close $37.48 Range $30.81 - $43.90

Q1 2018

Shares 21,165 Value ($000) $967 Avg Close $43.91 Range $37.63 - $48.70

Q4 2017

Shares 10,021 Value ($000) $420 Avg Close $39.50 Range $35.71 - $42.73

Q3 2017

Shares 9,021 Value ($000) $336 Avg Close $33.11 Range $28.36 - $35.88

Q2 2017

Shares 9,421 Value ($000) $283 Avg Close $32.09 Range $28.55 - $34.90

Q1 2017

Shares 9,572 Value ($000) $272 Avg Close $27.23 Range $24.01 - $29.76

Q4 2016

Shares 9,572 Value ($000) $243 Avg Close $22.54 Range $19.19 - $25.30

Q3 2016

Shares 9,572 Value ($000) $207 Avg Close $19.55 Range $17.86 - $20.56

Q1 2016

Shares 11,340 Value ($000) $244 Avg Close $18.42 Range $16.31 - $20.60

Q4 2015

Shares 11,647 Value ($000) $240 Avg Close $18.68 Range $16.35 - $20.30

Q3 2015

Shares 12,147 Value ($000) $218 Avg Close $17.24 Range $15.01 - $18.69

Q2 2015

Shares 12,829 Value ($000) $247 Avg Close $18.64 Range $16.80 - $19.93

Q1 2015

Shares 12,147 Value ($000) $228 Avg Close $17.82 Range $16.35 - $18.78

Q4 2014

Shares 12,147 Value ($000) $240 Avg Close $17.49 Range $14.84 - $19.04

Q3 2014

Shares 11,072 Value ($000) $214 Avg Close $18.15 Range $16.39 - $19.34

Q2 2014

Shares 11,080 Value ($000) $217 Avg Close $17.16 Range $15.60 - $19.07

Q1 2014

Shares 11,290 Value ($000) $224 Avg Close $17.80 Range $15.98 - $18.91

Q4 2013

Shares 11,080 Value ($000) $195 Avg Close $15.55 Range $14.50 - $16.48

Q3 2013

Shares 11,020 Value ($000) $182 Avg Close $15.28 Range $14.01 - $17.24

Q2 2013

Shares 33,012 Value ($000) $579 Avg Close $15.29 Range $12.93 - $17.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,309	$2,576	$171.50	$131.65 - $205.00
Q3 2025	13,337	$1,836	$109.09	$88.44 - $138.14
Q2 2025	12,629	$1,136	$79.69	$65.55 - $91.58
Q1 2025	12,823	$1,059	$111.43	$79.34 - $143.53
Q4 2024	12,960	$1,632	$117.75	$101.33 - $134.62
Q3 2024	13,215	$1,770	$133.97	$108.45 - $162.17
Q2 2024	13,241	$1,964	$126.14	$95.11 - $151.26
Q1 2024	15,004	$1,693	$103.38	$91.51 - $112.64
Q4 2023	14,921	$1,619	$94.00	$80.30 - $110.31
Q3 2023	14,667	$1,473	$104.39	$93.98 - $117.94
Q2 2023	15,302	$1,704	$99.13	$87.50 - $111.38
Q1 2023	14,224	$1,529	$101.02	$84.46 - $110.63
Q4 2022	12,932	$1,130	$84.55	$66.87 - $97.89
Q3 2022	12,829	$964	$89.83	$73.97 - $103.66
Q2 2022	12,779	$1,144	$102.39	$84.37 - $118.26
Q1 2022	12,739	$1,506	$124.55	$100.76 - $164.83
Q4 2021	12,997	$2,125	$138.21	$103.37 - $166.03
Q3 2021	12,768	$1,394	$119.31	$107.16 - $131.39
Q2 2021	12,689	$1,700	$125.54	$111.97 - $136.59
Q1 2021	12,628	$1,537	$123.17	$102.04 - $144.94
Q4 2020	13,020	$1,561	$100.07	$76.67 - $119.92
Q3 2020	11,149	$886	$82.97	$72.53 - $91.38
Q2 2020	11,132	$941	$65.50	$49.94 - $83.54
Q1 2020	11,122	$602	$61.91	$41.86 - $79.53
Q4 2019	11,275	$769	$61.85	$55.39 - $68.15
Q3 2019	11,073	$641	$51.49	$42.56 - $58.17
Q2 2019	40,448	$1,938	$44.06	$38.92 - $48.33
Q1 2019	40,467	$1,612	$36.20	$28.63 - $41.21
Q4 2018	39,267	$1,288	$32.78	$27.80 - $36.35
Q3 2018	29,695	$1,098	$38.82	$35.18 - $44.12
Q2 2018	29,194	$1,111	$37.48	$30.81 - $43.90
Q1 2018	21,165	$967	$43.91	$37.63 - $48.70
Q4 2017	10,021	$420	$39.50	$35.71 - $42.73
Q3 2017	9,021	$336	$33.11	$28.36 - $35.88
Q2 2017	9,421	$283	$32.09	$28.55 - $34.90
Q1 2017	9,572	$272	$27.23	$24.01 - $29.76
Q4 2016	9,572	$243	$22.54	$19.19 - $25.30
Q3 2016	9,572	$207	$19.55	$17.86 - $20.56
Q1 2016	11,340	$244	$18.42	$16.31 - $20.60
Q4 2015	11,647	$240	$18.68	$16.35 - $20.30
Q3 2015	12,147	$218	$17.24	$15.01 - $18.69
Q2 2015	12,829	$247	$18.64	$16.80 - $19.93
Q1 2015	12,147	$228	$17.82	$16.35 - $18.78
Q4 2014	12,147	$240	$17.49	$14.84 - $19.04
Q3 2014	11,072	$214	$18.15	$16.39 - $19.34
Q2 2014	11,080	$217	$17.16	$15.60 - $19.07
Q1 2014	11,290	$224	$17.80	$15.98 - $18.91
Q4 2013	11,080	$195	$15.55	$14.50 - $16.48
Q3 2013	11,020	$182	$15.28	$14.01 - $17.24
Q2 2013	33,012	$579	$15.29	$12.93 - $17.09