ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

SIGMA INVESTMENT COUNSELORS INC's Holding History (CIK: 0001085163)

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

Q2 2019

Shares 4,760 Value ($000) $1,303 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 5,300 Value ($000) $1,507 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 5,500 Value ($000) $1,152 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 5,310 Value ($000) $2,077 Avg Close $368.95 Range $332.01 - $398.88

Q3 2017

Shares 1,150 Value ($000) $214 Avg Close $171.20 Range $148.95 - $190.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	4,760	$1,303	$301.97	$263.70 - $334.64
Q1 2019	5,300	$1,507	$238.66	$177.93 - $284.61
Q4 2018	5,500	$1,152	$252.66	$188.57 - $397.85
Q3 2018	5,310	$2,077	$368.95	$332.01 - $398.88
Q3 2017	1,150	$214	$171.20	$148.95 - $190.04