TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 1,447 Value ($000) $280 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 46,615 Value ($000) $6,416 Avg Close $109.09 Range $88.44 - $138.14

Q1 2025

Shares 22,205 Value ($000) $1,834 Avg Close $111.43 Range $79.34 - $143.53

Q2 2024

Shares 593 Value ($000) $88 Avg Close $126.14 Range $95.11 - $151.26

Q4 2023

Shares 746 Value ($000) $81 Avg Close $94.00 Range $80.30 - $110.31

Q3 2023

Shares 7,970 Value ($000) $801 Avg Close $104.39 Range $93.98 - $117.94

Q2 2023

Shares 10,660 Value ($000) $1,187 Avg Close $99.13 Range $87.50 - $111.38

Q4 2021

Shares 18,388 Value ($000) $3,007 Avg Close $138.21 Range $103.37 - $166.03

Q2 2021

Shares 10,660 Value ($000) $1,428 Avg Close $125.54 Range $111.97 - $136.59

Q1 2021

Shares 20,948 Value ($000) $2,549 Avg Close $123.17 Range $102.04 - $144.94

Q4 2020

Shares 76,949 Value ($000) $9,225 Avg Close $100.07 Range $76.67 - $119.92

Q3 2020

Shares 66,663 Value ($000) $5,297 Avg Close $82.97 Range $72.53 - $91.38

Q2 2020

Shares 12,787 Value ($000) $1,081 Avg Close $65.50 Range $49.94 - $83.54

Q1 2020

Shares 2,314 Value ($000) $125 Avg Close $61.91 Range $41.86 - $79.53

Q4 2019

Shares 4,975 Value ($000) $339 Avg Close $61.85 Range $55.39 - $68.15

Q3 2019

Shares 1,031 Value ($000) $60 Avg Close $51.49 Range $42.56 - $58.17

Q2 2019

Shares 5,893 Value ($000) $282 Avg Close $44.06 Range $38.92 - $48.33

Q3 2018

Shares 6,451 Value ($000) $239 Avg Close $38.82 Range $35.18 - $44.12

Q2 2018

Shares 11,432 Value ($000) $435 Avg Close $37.48 Range $30.81 - $43.90

Q4 2017

Shares 985 Value ($000) $41 Avg Close $39.50 Range $35.71 - $42.73

Q3 2017

Shares 26,506 Value ($000) $988 Avg Close $33.11 Range $28.36 - $35.88

Q2 2017

Shares 57,184 Value ($000) $1,717 Avg Close $32.09 Range $28.55 - $34.90

Q1 2016

Shares 368 Value ($000) $8 Avg Close $18.42 Range $16.31 - $20.60

Q2 2015

Shares 605 Value ($000) $12 Avg Close $18.64 Range $16.80 - $19.93

Q4 2014

Shares 22,644 Value ($000) $448 Avg Close $17.49 Range $14.84 - $19.04

Q1 2014

Shares 29,723 Value ($000) $591 Avg Close $17.80 Range $15.98 - $18.91

Q2 2013

Shares 3,440 Value ($000) $60 Avg Close $15.29 Range $12.93 - $17.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,447	$280	$171.50	$131.65 - $205.00
Q3 2025	46,615	$6,416	$109.09	$88.44 - $138.14
Q1 2025	22,205	$1,834	$111.43	$79.34 - $143.53
Q2 2024	593	$88	$126.14	$95.11 - $151.26
Q4 2023	746	$81	$94.00	$80.30 - $110.31
Q3 2023	7,970	$801	$104.39	$93.98 - $117.94
Q2 2023	10,660	$1,187	$99.13	$87.50 - $111.38
Q4 2021	18,388	$3,007	$138.21	$103.37 - $166.03
Q2 2021	10,660	$1,428	$125.54	$111.97 - $136.59
Q1 2021	20,948	$2,549	$123.17	$102.04 - $144.94
Q4 2020	76,949	$9,225	$100.07	$76.67 - $119.92
Q3 2020	66,663	$5,297	$82.97	$72.53 - $91.38
Q2 2020	12,787	$1,081	$65.50	$49.94 - $83.54
Q1 2020	2,314	$125	$61.91	$41.86 - $79.53
Q4 2019	4,975	$339	$61.85	$55.39 - $68.15
Q3 2019	1,031	$60	$51.49	$42.56 - $58.17
Q2 2019	5,893	$282	$44.06	$38.92 - $48.33
Q3 2018	6,451	$239	$38.82	$35.18 - $44.12
Q2 2018	11,432	$435	$37.48	$30.81 - $43.90
Q4 2017	985	$41	$39.50	$35.71 - $42.73
Q3 2017	26,506	$988	$33.11	$28.36 - $35.88
Q2 2017	57,184	$1,717	$32.09	$28.55 - $34.90
Q1 2016	368	$8	$18.42	$16.31 - $20.60
Q2 2015	605	$12	$18.64	$16.80 - $19.93
Q4 2014	22,644	$448	$17.49	$14.84 - $19.04
Q1 2014	29,723	$591	$17.80	$15.98 - $18.91
Q2 2013	3,440	$60	$15.29	$12.93 - $17.09