TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2025

Shares 98,080 Value ($000) $18,984 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 102,062 Value ($000) $14,048 Avg Close $109.09 Range $88.44 - $138.14

Q2 2025

Shares 102,062 Value ($000) $9,177 Avg Close $79.69 Range $65.55 - $91.58

Q1 2025

Shares 102,062 Value ($000) $8,430 Avg Close $111.43 Range $79.34 - $143.53

Q4 2024

Shares 100,925 Value ($000) $12,708 Avg Close $117.75 Range $101.33 - $134.62

Q3 2024

Shares 100,925 Value ($000) $13,517 Avg Close $133.97 Range $108.45 - $162.17

Q2 2024

Shares 103,401 Value ($000) $15,333 Avg Close $126.14 Range $95.11 - $151.26

Q1 2024

Shares 107,175 Value ($000) $12,093 Avg Close $103.38 Range $91.51 - $112.64

Q4 2023

Shares 109,871 Value ($000) $11,923 Avg Close $94.00 Range $80.30 - $110.31

Q3 2023

Shares 111,306 Value ($000) $11,182 Avg Close $104.39 Range $93.98 - $117.94

Q2 2023

Shares 111,306 Value ($000) $12,392 Avg Close $99.13 Range $87.50 - $111.38

Q1 2023

Shares 111,306 Value ($000) $11,967 Avg Close $101.02 Range $84.46 - $110.63

Q4 2022

Shares 125,221 Value ($000) $10,938 Avg Close $84.55 Range $66.87 - $97.89

Q2 2022

Shares 30,657 Value ($000) $2,745 Avg Close $102.39 Range $84.37 - $118.26

Q1 2022

Shares 27,500 Value ($000) $3,251 Avg Close $124.55 Range $100.76 - $164.83

Q1 2020

Shares 9,433 Value ($000) $511 Avg Close $61.91 Range $41.86 - $79.53

Q4 2019

Shares 18,856 Value ($000) $1,286 Avg Close $61.85 Range $55.39 - $68.15

Q3 2019

Shares 18,215 Value ($000) $1,055 Avg Close $51.49 Range $42.56 - $58.17

Q2 2019

Shares 17,885 Value ($000) $857 Avg Close $44.06 Range $38.92 - $48.33

Q1 2019

Shares 12,000 Value ($000) $478 Avg Close $36.20 Range $28.63 - $41.21

Q2 2016

Shares 10,200 Value ($000) $201 Avg Close $18.63 Range $17.10 - $20.61

Q1 2016

Shares 188,185 Value ($000) $4,063 Avg Close $18.42 Range $16.31 - $20.60

Q4 2015

Shares 10,200 Value ($000) $211 Avg Close $18.68 Range $16.35 - $20.30

Q3 2015

Shares 10,200 Value ($000) $184 Avg Close $17.24 Range $15.01 - $18.69

Q2 2015

Shares 18,280 Value ($000) $353 Avg Close $18.64 Range $16.80 - $19.93

Q1 2015

Shares 27,480 Value ($000) $518 Avg Close $17.82 Range $16.35 - $18.78

Q4 2014

Shares 25,205 Value ($000) $499 Avg Close $17.49 Range $14.84 - $19.04

Q3 2014

Shares 26,440 Value ($000) $513 Avg Close $18.15 Range $16.39 - $19.34

Q2 2014

Shares 41,405 Value ($000) $812 Avg Close $17.16 Range $15.60 - $19.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	98,080	$18,984	$171.50	$131.65 - $205.00
Q3 2025	102,062	$14,048	$109.09	$88.44 - $138.14
Q2 2025	102,062	$9,177	$79.69	$65.55 - $91.58
Q1 2025	102,062	$8,430	$111.43	$79.34 - $143.53
Q4 2024	100,925	$12,708	$117.75	$101.33 - $134.62
Q3 2024	100,925	$13,517	$133.97	$108.45 - $162.17
Q2 2024	103,401	$15,333	$126.14	$95.11 - $151.26
Q1 2024	107,175	$12,093	$103.38	$91.51 - $112.64
Q4 2023	109,871	$11,923	$94.00	$80.30 - $110.31
Q3 2023	111,306	$11,182	$104.39	$93.98 - $117.94
Q2 2023	111,306	$12,392	$99.13	$87.50 - $111.38
Q1 2023	111,306	$11,967	$101.02	$84.46 - $110.63
Q4 2022	125,221	$10,938	$84.55	$66.87 - $97.89
Q2 2022	30,657	$2,745	$102.39	$84.37 - $118.26
Q1 2022	27,500	$3,251	$124.55	$100.76 - $164.83
Q1 2020	9,433	$511	$61.91	$41.86 - $79.53
Q4 2019	18,856	$1,286	$61.85	$55.39 - $68.15
Q3 2019	18,215	$1,055	$51.49	$42.56 - $58.17
Q2 2019	17,885	$857	$44.06	$38.92 - $48.33
Q1 2019	12,000	$478	$36.20	$28.63 - $41.21
Q2 2016	10,200	$201	$18.63	$17.10 - $20.61
Q1 2016	188,185	$4,063	$18.42	$16.31 - $20.60
Q4 2015	10,200	$211	$18.68	$16.35 - $20.30
Q3 2015	10,200	$184	$17.24	$15.01 - $18.69
Q2 2015	18,280	$353	$18.64	$16.80 - $19.93
Q1 2015	27,480	$518	$17.82	$16.35 - $18.78
Q4 2014	25,205	$499	$17.49	$14.84 - $19.04
Q3 2014	26,440	$513	$18.15	$16.39 - $19.34
Q2 2014	41,405	$812	$17.16	$15.60 - $19.07