ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 15,521 Value ($000) $2,424 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 16,188 Value ($000) $2,027 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 16,711 Value ($000) $3,164 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 16,048 Value ($000) $2,549 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 14,921 Value ($000) $3,111 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 15,285 Value ($000) $3,887 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 15,378 Value ($000) $3,713 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 15,637 Value ($000) $5,128 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 15,598 Value ($000) $4,274 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 14,311 Value ($000) $4,369 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 12,411 Value ($000) $4,389 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 12,315 Value ($000) $4,115 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 12,279 Value ($000) $3 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 10,625 Value ($000) $2,201 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 10,671 Value ($000) $2,526 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 9,812 Value ($000) $4,278 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 9,205 Value ($000) $6,049 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 9,208 Value ($000) $6,127 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 9,023 Value ($000) $5,513 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 9,006 Value ($000) $4,877 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 8,966 Value ($000) $4,791 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 6,643 Value ($000) $2,175 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 4,098 Value ($000) $1,125 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 4,582 Value ($000) $797 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 4,619 Value ($000) $1,289 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 4,657 Value ($000) $843 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 1,622 Value ($000) $444 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 4,255 Value ($000) $1,210 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 3,971 Value ($000) $832 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 5,998 Value ($000) $2,347 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 7,551 Value ($000) $2,583 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 6,454 Value ($000) $1,621 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 6,455 Value ($000) $1,434 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 5,867 Value ($000) $1,093 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 5,610 Value ($000) $842 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 11,023 Value ($000) $1,264 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 11,090 Value ($000) $1,066 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 11,130 Value ($000) $1,043 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 14,044 Value ($000) $1,131 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 12,953 Value ($000) $942 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 20,972 Value ($000) $1,381 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 21,037 Value ($000) $1,194 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 20,998 Value ($000) $1,317 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 18,960 Value ($000) $1,020 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 15,501 Value ($000) $867 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 10,091 Value ($000) $522 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 34,238 Value ($000) $1,919 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 37,011 Value ($000) $1,917 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 40,105 Value ($000) $2,292 Avg Close $53.83 Range $41.83 - $60.00

Q3 2013

Shares 57,035 Value ($000) $2,743 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 42,925 Value ($000) $1,590 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,521	$2,424	$143.30	$124.91 - $167.02
Q3 2025	16,188	$2,027	$156.63	$122.00 - $208.31
Q2 2025	16,711	$3,164	$176.66	$141.74 - $196.38
Q1 2025	16,048	$2,549	$196.30	$153.77 - $237.23
Q4 2024	14,921	$3,111	$223.39	$204.13 - $256.22
Q3 2024	15,285	$3,887	$235.95	$196.09 - $263.24
Q2 2024	15,378	$3,713	$278.40	$232.80 - $331.64
Q1 2024	15,637	$5,128	$293.39	$250.28 - $335.40
Q4 2023	15,598	$4,274	$237.06	$176.34 - $305.36
Q3 2023	14,311	$4,369	$345.55	$293.42 - $413.20
Q2 2023	12,411	$4,389	$318.43	$273.46 - $363.27
Q1 2023	12,315	$4,115	$295.03	$208.29 - $368.87
Q4 2022	12,279	$3	$200.17	$172.05 - $233.64
Q3 2022	10,625	$2,201	$257.42	$204.32 - $302.97
Q2 2022	10,671	$2,526	$307.23	$225.86 - $451.19
Q1 2022	9,812	$4,278	$486.73	$372.62 - $658.50
Q4 2021	9,205	$6,049	$642.93	$572.51 - $713.33
Q3 2021	9,208	$6,127	$679.09	$589.24 - $737.45
Q2 2021	9,023	$5,513	$591.84	$536.23 - $647.20
Q1 2021	9,006	$4,877	$552.79	$494.45 - $634.46
Q4 2020	8,966	$4,791	$449.62	$310.03 - $543.65
Q3 2020	6,643	$2,175	$305.27	$267.63 - $340.29
Q2 2020	4,098	$1,125	$225.21	$150.38 - $292.04
Q1 2020	4,582	$797	$239.46	$127.88 - $301.65
Q4 2019	4,619	$1,289	$249.35	$175.52 - $281.57
Q3 2019	4,657	$843	$207.89	$169.84 - $290.78
Q2 2019	1,622	$444	$301.97	$263.70 - $334.64
Q1 2019	4,255	$1,210	$238.66	$177.93 - $284.61
Q4 2018	3,971	$832	$252.66	$188.57 - $397.85
Q3 2018	5,998	$2,347	$368.95	$332.01 - $398.88
Q2 2018	7,551	$2,583	$298.30	$234.40 - $371.55
Q1 2018	6,454	$1,621	$256.81	$219.11 - $287.32
Q4 2017	6,455	$1,434	$227.14	$184.67 - $266.41
Q3 2017	5,867	$1,093	$171.20	$148.95 - $190.04
Q2 2017	5,610	$842	$135.62	$113.40 - $154.85
Q1 2017	11,023	$1,264	$101.02	$88.56 - $115.20
Q4 2016	11,090	$1,066	$92.86	$83.27 - $102.10
Q3 2016	11,130	$1,043	$90.43	$80.30 - $96.90
Q2 2016	14,044	$1,131	$76.47	$70.03 - $81.98
Q1 2016	12,953	$942	$65.48	$57.31 - $73.55
Q4 2015	20,972	$1,381	$64.15	$54.69 - $68.48
Q3 2015	21,037	$1,194	$59.62	$52.01 - $66.53
Q2 2015	20,998	$1,317	$59.07	$51.65 - $64.99
Q1 2015	18,960	$1,020	$56.98	$51.77 - $64.75
Q4 2014	15,501	$867	$52.90	$43.27 - $57.72
Q3 2014	10,091	$522	$54.46	$51.29 - $57.79
Q2 2014	34,238	$1,919	$52.02	$47.22 - $57.50
Q1 2014	37,011	$1,917	$55.98	$50.37 - $65.10
Q4 2013	40,105	$2,292	$53.83	$41.83 - $60.00
Q3 2013	57,035	$2,743	$43.65	$36.92 - $49.08
Q2 2013	42,925	$1,590	$34.47	$29.53 - $38.74