ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

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

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

Q4 2025

Shares 15,590 Value ($000) $2,434 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 33,181 Value ($000) $4,155 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 8,579 Value ($000) $1,624 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 20,319 Value ($000) $3,228 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 11,589 Value ($000) $2,416 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 1,342 Value ($000) $341 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 1,047 Value ($000) $253 Avg Close $278.40 Range $232.80 - $331.64

Q4 2023

Shares 2,343 Value ($000) $642 Avg Close $237.06 Range $176.34 - $305.36

Q2 2023

Shares 862 Value ($000) $305 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 3,793 Value ($000) $1,267 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 5,464 Value ($000) $1,152 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 22,273 Value ($000) $4,613 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 88 Value ($000) $21 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 15,908 Value ($000) $6,936 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 13,956 Value ($000) $9,172 Avg Close $642.93 Range $572.51 - $713.33

Q3 2020

Shares 2,410 Value ($000) $789 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 2,441 Value ($000) $670 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 12,254 Value ($000) $2,132 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 16,068 Value ($000) $4,484 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 14,617 Value ($000) $2,645 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 2,529 Value ($000) $692 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 2,094 Value ($000) $595 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 23,279 Value ($000) $4,875 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 6,783 Value ($000) $2,654 Avg Close $368.95 Range $332.01 - $398.88

Q1 2018

Shares 27,080 Value ($000) $6,801 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 44,378 Value ($000) $9,860 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 2,814 Value ($000) $524 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 32,610 Value ($000) $4,895 Avg Close $135.62 Range $113.40 - $154.85

Q2 2013

Shares 8,276 Value ($000) $307 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,590	$2,434	$143.30	$124.91 - $167.02
Q3 2025	33,181	$4,155	$156.63	$122.00 - $208.31
Q2 2025	8,579	$1,624	$176.66	$141.74 - $196.38
Q1 2025	20,319	$3,228	$196.30	$153.77 - $237.23
Q4 2024	11,589	$2,416	$223.39	$204.13 - $256.22
Q3 2024	1,342	$341	$235.95	$196.09 - $263.24
Q2 2024	1,047	$253	$278.40	$232.80 - $331.64
Q4 2023	2,343	$642	$237.06	$176.34 - $305.36
Q2 2023	862	$305	$318.43	$273.46 - $363.27
Q1 2023	3,793	$1,267	$295.03	$208.29 - $368.87
Q4 2022	5,464	$1,152	$200.17	$172.05 - $233.64
Q3 2022	22,273	$4,613	$257.42	$204.32 - $302.97
Q2 2022	88	$21	$307.23	$225.86 - $451.19
Q1 2022	15,908	$6,936	$486.73	$372.62 - $658.50
Q4 2021	13,956	$9,172	$642.93	$572.51 - $713.33
Q3 2020	2,410	$789	$305.27	$267.63 - $340.29
Q2 2020	2,441	$670	$225.21	$150.38 - $292.04
Q1 2020	12,254	$2,132	$239.46	$127.88 - $301.65
Q4 2019	16,068	$4,484	$249.35	$175.52 - $281.57
Q3 2019	14,617	$2,645	$207.89	$169.84 - $290.78
Q2 2019	2,529	$692	$301.97	$263.70 - $334.64
Q1 2019	2,094	$595	$238.66	$177.93 - $284.61
Q4 2018	23,279	$4,875	$252.66	$188.57 - $397.85
Q3 2018	6,783	$2,654	$368.95	$332.01 - $398.88
Q1 2018	27,080	$6,801	$256.81	$219.11 - $287.32
Q4 2017	44,378	$9,860	$227.14	$184.67 - $266.41
Q3 2017	2,814	$524	$171.20	$148.95 - $190.04
Q2 2017	32,610	$4,895	$135.62	$113.40 - $154.85
Q2 2013	8,276	$307	$34.47	$29.53 - $38.74