DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 104,225 Value ($000) $10,123 Avg Close $76.44 Range $59.22 - $90.35

Q3 2020

Shares 96,032 Value ($000) $6,365 Avg Close $62.47 Range $58.65 - $68.13

Q2 2020

Shares 91,200 Value ($000) $6,007 Avg Close $55.07 Range $46.23 - $63.20

Q1 2020

Shares 77,779 Value ($000) $4,216 Avg Close $60.05 Range $41.00 - $67.18

Q4 2019

Shares 80,805 Value ($000) $5,559 Avg Close $60.42 Range $55.33 - $63.99

Q3 2019

Shares 74,847 Value ($000) $4,838 Avg Close $57.27 Range $50.99 - $62.55

Q2 2019

Shares 76,695 Value ($000) $4,954 Avg Close $57.88 Range $54.55 - $59.82

Q1 2019

Shares 72,959 Value ($000) $4,594 Avg Close $57.83 Range $53.69 - $60.43

Q4 2018

Shares 75,524 Value ($000) $4,670 Avg Close $60.76 Range $52.57 - $64.86

Q3 2018

Shares 83,736 Value ($000) $5,859 Avg Close $60.37 Range $54.64 - $64.93

Q2 2018

Shares 81,424 Value ($000) $5,023 Avg Close $57.13 Range $52.96 - $62.04

Q1 2018

Shares 83,439 Value ($000) $5,303 Avg Close $57.61 Range $52.34 - $66.45

Q4 2017

Shares 81,504 Value ($000) $5,053 Avg Close $53.98 Range $50.40 - $56.65

Q3 2017

Shares 80,265 Value ($000) $4,617 Avg Close $46.70 Range $42.82 - $53.33

Q2 2017

Shares 62,588 Value ($000) $3,064 Avg Close $45.31 Range $43.53 - $47.83

Q1 2017

Shares 26,084 Value ($000) $1,367 Avg Close $43.87 Range $39.92 - $46.64

Q4 2016

Shares 18,861 Value ($000) $852 Avg Close $42.59 Range $39.80 - $48.52

Q3 2016

Shares 25,898 Value ($000) $1,406 Avg Close $44.12 Range $39.59 - $48.22

Q2 2016

Shares 24,124 Value ($000) $1,154 Avg Close $40.14 Range $36.94 - $43.63

Q1 2016

Shares 25,153 Value ($000) $1,093 Avg Close $32.54 Range $26.57 - $38.48

Q4 2015

Shares 23,212 Value ($000) $781 Avg Close $29.99 Range $27.42 - $31.59

Q3 2015

Shares 19,690 Value ($000) $642 Avg Close $29.71 Range $26.03 - $34.72

Q2 2015

Shares 6,802 Value ($000) $270 Avg Close $34.39 Range $32.50 - $36.27

Q4 2014

Shares 4,651 Value ($000) $201 Avg Close $36.69 Range $32.58 - $39.93

Q3 2014

Shares 4,893 Value ($000) $204 Avg Close $38.23 Range $35.13 - $40.80

Q2 2014

Shares 4,868 Value ($000) $210 Avg Close $36.03 Range $33.45 - $38.82

Q1 2014

Shares 5,388 Value ($000) $240 Avg Close $36.24 Range $32.80 - $38.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	104,225	$10,123	$76.44	$59.22 - $90.35
Q3 2020	96,032	$6,365	$62.47	$58.65 - $68.13
Q2 2020	91,200	$6,007	$55.07	$46.23 - $63.20
Q1 2020	77,779	$4,216	$60.05	$41.00 - $67.18
Q4 2019	80,805	$5,559	$60.42	$55.33 - $63.99
Q3 2019	74,847	$4,838	$57.27	$50.99 - $62.55
Q2 2019	76,695	$4,954	$57.88	$54.55 - $59.82
Q1 2019	72,959	$4,594	$57.83	$53.69 - $60.43
Q4 2018	75,524	$4,670	$60.76	$52.57 - $64.86
Q3 2018	83,736	$5,859	$60.37	$54.64 - $64.93
Q2 2018	81,424	$5,023	$57.13	$52.96 - $62.04
Q1 2018	83,439	$5,303	$57.61	$52.34 - $66.45
Q4 2017	81,504	$5,053	$53.98	$50.40 - $56.65
Q3 2017	80,265	$4,617	$46.70	$42.82 - $53.33
Q2 2017	62,588	$3,064	$45.31	$43.53 - $47.83
Q1 2017	26,084	$1,367	$43.87	$39.92 - $46.64
Q4 2016	18,861	$852	$42.59	$39.80 - $48.52
Q3 2016	25,898	$1,406	$44.12	$39.59 - $48.22
Q2 2016	24,124	$1,154	$40.14	$36.94 - $43.63
Q1 2016	25,153	$1,093	$32.54	$26.57 - $38.48
Q4 2015	23,212	$781	$29.99	$27.42 - $31.59
Q3 2015	19,690	$642	$29.71	$26.03 - $34.72
Q2 2015	6,802	$270	$34.39	$32.50 - $36.27
Q4 2014	4,651	$201	$36.69	$32.58 - $39.93
Q3 2014	4,893	$204	$38.23	$35.13 - $40.80
Q2 2014	4,868	$210	$36.03	$33.45 - $38.82
Q1 2014	5,388	$240	$36.24	$32.80 - $38.96