ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 3,100 Value ($000) $484 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 698 Value ($000) $87 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 5,292 Value ($000) $1,002 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 2,271 Value ($000) $361 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 5,105 Value ($000) $1,064 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 1,659 Value ($000) $422 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 8,232 Value ($000) $1,987 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 1,739 Value ($000) $570 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 10,106 Value ($000) $2,769 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 4,313 Value ($000) $1,317 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 4,005 Value ($000) $1,416 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 2,486 Value ($000) $1 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 3,740 Value ($000) $1 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 20,404 Value ($000) $4,226 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 15,696 Value ($000) $3,714 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 28,762 Value ($000) $12,540 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 10,563 Value ($000) $6,942 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 7,462 Value ($000) $4,965 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 5,637 Value ($000) $3,444 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 9,308 Value ($000) $5,040 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 1,574 Value ($000) $841 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 3,074 Value ($000) $1,006 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 1,559 Value ($000) $428 Avg Close $225.21 Range $150.38 - $292.04

Q4 2019

Shares 1,492 Value ($000) $416 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 1,393 Value ($000) $252 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 61 Value ($000) $16 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 2,011 Value ($000) $572 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 2,255 Value ($000) $472 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 1,228 Value ($000) $480 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 3,182 Value ($000) $1,089 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 86 Value ($000) $22 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 1,734 Value ($000) $385 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 226 Value ($000) $42 Avg Close $171.20 Range $148.95 - $190.04

Q1 2017

Shares 17 Value ($000) $2 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 150 Value ($000) $14 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 2,330 Value ($000) $218 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 2,929 Value ($000) $236 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 11,692 Value ($000) $850 Avg Close $65.48 Range $57.31 - $73.55

Q3 2015

Shares 291 Value ($000) $17 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 494 Value ($000) $31 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 2,583 Value ($000) $139 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 475 Value ($000) $27 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 386 Value ($000) $20 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 1,360 Value ($000) $76 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 378 Value ($000) $20 Avg Close $55.98 Range $50.37 - $65.10

Q3 2013

Shares 5,599 Value ($000) $269 Avg Close $43.65 Range $36.92 - $49.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,100	$484	$143.30	$124.91 - $167.02
Q3 2025	698	$87	$156.63	$122.00 - $208.31
Q2 2025	5,292	$1,002	$176.66	$141.74 - $196.38
Q1 2025	2,271	$361	$196.30	$153.77 - $237.23
Q4 2024	5,105	$1,064	$223.39	$204.13 - $256.22
Q3 2024	1,659	$422	$235.95	$196.09 - $263.24
Q2 2024	8,232	$1,987	$278.40	$232.80 - $331.64
Q1 2024	1,739	$570	$293.39	$250.28 - $335.40
Q4 2023	10,106	$2,769	$237.06	$176.34 - $305.36
Q3 2023	4,313	$1,317	$345.55	$293.42 - $413.20
Q2 2023	4,005	$1,416	$318.43	$273.46 - $363.27
Q1 2023	2,486	$1	$295.03	$208.29 - $368.87
Q4 2022	3,740	$1	$200.17	$172.05 - $233.64
Q3 2022	20,404	$4,226	$257.42	$204.32 - $302.97
Q2 2022	15,696	$3,714	$307.23	$225.86 - $451.19
Q1 2022	28,762	$12,540	$486.73	$372.62 - $658.50
Q4 2021	10,563	$6,942	$642.93	$572.51 - $713.33
Q3 2021	7,462	$4,965	$679.09	$589.24 - $737.45
Q2 2021	5,637	$3,444	$591.84	$536.23 - $647.20
Q1 2021	9,308	$5,040	$552.79	$494.45 - $634.46
Q4 2020	1,574	$841	$449.62	$310.03 - $543.65
Q3 2020	3,074	$1,006	$305.27	$267.63 - $340.29
Q2 2020	1,559	$428	$225.21	$150.38 - $292.04
Q4 2019	1,492	$416	$249.35	$175.52 - $281.57
Q3 2019	1,393	$252	$207.89	$169.84 - $290.78
Q2 2019	61	$16	$301.97	$263.70 - $334.64
Q1 2019	2,011	$572	$238.66	$177.93 - $284.61
Q4 2018	2,255	$472	$252.66	$188.57 - $397.85
Q3 2018	1,228	$480	$368.95	$332.01 - $398.88
Q2 2018	3,182	$1,089	$298.30	$234.40 - $371.55
Q1 2018	86	$22	$256.81	$219.11 - $287.32
Q4 2017	1,734	$385	$227.14	$184.67 - $266.41
Q3 2017	226	$42	$171.20	$148.95 - $190.04
Q1 2017	17	$2	$101.02	$88.56 - $115.20
Q4 2016	150	$14	$92.86	$83.27 - $102.10
Q3 2016	2,330	$218	$90.43	$80.30 - $96.90
Q2 2016	2,929	$236	$76.47	$70.03 - $81.98
Q1 2016	11,692	$850	$65.48	$57.31 - $73.55
Q3 2015	291	$17	$59.62	$52.01 - $66.53
Q2 2015	494	$31	$59.07	$51.65 - $64.99
Q1 2015	2,583	$139	$56.98	$51.77 - $64.75
Q4 2014	475	$27	$52.90	$43.27 - $57.72
Q3 2014	386	$20	$54.46	$51.29 - $57.79
Q2 2014	1,360	$76	$52.02	$47.22 - $57.50
Q1 2014	378	$20	$55.98	$50.37 - $65.10
Q3 2013	5,599	$269	$43.65	$36.92 - $49.08