ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

SIT INVESTMENT ASSOCIATES INC's Holding History (CIK: 0000769317)

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

Q4 2025

Shares 8,560 Value ($000) $1 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 8,560 Value ($000) $1 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 8,560 Value ($000) $2 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 8,560 Value ($000) $1 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 8,560 Value ($000) $2 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 8,560 Value ($000) $2 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 8,560 Value ($000) $2 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 8,560 Value ($000) $3 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 8,560 Value ($000) $2 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 8,560 Value ($000) $3 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 8,560 Value ($000) $3 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 8,560 Value ($000) $3 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 8,560 Value ($000) $2 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 8,560 Value ($000) $1,773 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 8,560 Value ($000) $2,026 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 8,560 Value ($000) $3,732 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 8,560 Value ($000) $5,625 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 9,840 Value ($000) $6,548 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 10,490 Value ($000) $6,409 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 10,490 Value ($000) $5,681 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 10,490 Value ($000) $5,606 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 13,115 Value ($000) $4,293 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 13,115 Value ($000) $3,599 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 13,115 Value ($000) $2,281 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 14,265 Value ($000) $3,981 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 14,265 Value ($000) $2,581 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 14,265 Value ($000) $3,904 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 14,265 Value ($000) $4,056 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 14,265 Value ($000) $2,988 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 14,265 Value ($000) $5,581 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 15,465 Value ($000) $5,291 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 18,685 Value ($000) $4,692 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 18,685 Value ($000) $4,152 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 21,760 Value ($000) $4,053 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 23,345 Value ($000) $3,505 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 26,600 Value ($000) $3,051 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 32,400 Value ($000) $3,115 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 34,000 Value ($000) $3,188 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 34,000 Value ($000) $2,739 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 34,000 Value ($000) $2,471 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 34,000 Value ($000) $2,239 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 34,000 Value ($000) $1,930 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 34,000 Value ($000) $2,132 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 34,000 Value ($000) $1,829 Avg Close $56.98 Range $51.77 - $64.75

Q3 2014

Shares 51,770 Value ($000) $2,675 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 64,970 Value ($000) $3,641 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 58,570 Value ($000) $3,033 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 27,965 Value ($000) $1,598 Avg Close $53.83 Range $41.83 - $60.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,560	$1	$143.30	$124.91 - $167.02
Q3 2025	8,560	$1	$156.63	$122.00 - $208.31
Q2 2025	8,560	$2	$176.66	$141.74 - $196.38
Q1 2025	8,560	$1	$196.30	$153.77 - $237.23
Q4 2024	8,560	$2	$223.39	$204.13 - $256.22
Q3 2024	8,560	$2	$235.95	$196.09 - $263.24
Q2 2024	8,560	$2	$278.40	$232.80 - $331.64
Q1 2024	8,560	$3	$293.39	$250.28 - $335.40
Q4 2023	8,560	$2	$237.06	$176.34 - $305.36
Q3 2023	8,560	$3	$345.55	$293.42 - $413.20
Q2 2023	8,560	$3	$318.43	$273.46 - $363.27
Q1 2023	8,560	$3	$295.03	$208.29 - $368.87
Q4 2022	8,560	$2	$200.17	$172.05 - $233.64
Q3 2022	8,560	$1,773	$257.42	$204.32 - $302.97
Q2 2022	8,560	$2,026	$307.23	$225.86 - $451.19
Q1 2022	8,560	$3,732	$486.73	$372.62 - $658.50
Q4 2021	8,560	$5,625	$642.93	$572.51 - $713.33
Q3 2021	9,840	$6,548	$679.09	$589.24 - $737.45
Q2 2021	10,490	$6,409	$591.84	$536.23 - $647.20
Q1 2021	10,490	$5,681	$552.79	$494.45 - $634.46
Q4 2020	10,490	$5,606	$449.62	$310.03 - $543.65
Q3 2020	13,115	$4,293	$305.27	$267.63 - $340.29
Q2 2020	13,115	$3,599	$225.21	$150.38 - $292.04
Q1 2020	13,115	$2,281	$239.46	$127.88 - $301.65
Q4 2019	14,265	$3,981	$249.35	$175.52 - $281.57
Q3 2019	14,265	$2,581	$207.89	$169.84 - $290.78
Q2 2019	14,265	$3,904	$301.97	$263.70 - $334.64
Q1 2019	14,265	$4,056	$238.66	$177.93 - $284.61
Q4 2018	14,265	$2,988	$252.66	$188.57 - $397.85
Q3 2018	14,265	$5,581	$368.95	$332.01 - $398.88
Q2 2018	15,465	$5,291	$298.30	$234.40 - $371.55
Q1 2018	18,685	$4,692	$256.81	$219.11 - $287.32
Q4 2017	18,685	$4,152	$227.14	$184.67 - $266.41
Q3 2017	21,760	$4,053	$171.20	$148.95 - $190.04
Q2 2017	23,345	$3,505	$135.62	$113.40 - $154.85
Q1 2017	26,600	$3,051	$101.02	$88.56 - $115.20
Q4 2016	32,400	$3,115	$92.86	$83.27 - $102.10
Q3 2016	34,000	$3,188	$90.43	$80.30 - $96.90
Q2 2016	34,000	$2,739	$76.47	$70.03 - $81.98
Q1 2016	34,000	$2,471	$65.48	$57.31 - $73.55
Q4 2015	34,000	$2,239	$64.15	$54.69 - $68.48
Q3 2015	34,000	$1,930	$59.62	$52.01 - $66.53
Q2 2015	34,000	$2,132	$59.07	$51.65 - $64.99
Q1 2015	34,000	$1,829	$56.98	$51.77 - $64.75
Q3 2014	51,770	$2,675	$54.46	$51.29 - $57.79
Q2 2014	64,970	$3,641	$52.02	$47.22 - $57.50
Q1 2014	58,570	$3,033	$55.98	$50.37 - $65.10
Q4 2013	27,965	$1,598	$53.83	$41.83 - $60.00