TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

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

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

Q4 2020

Shares 35,772 Value ($000) $4,142 Avg Close $22.53 Range $19.06 - $25.44

Q3 2020

Shares 33,975 Value ($000) $3,245 Avg Close $17.77 Range $14.99 - $19.31

Q2 2020

Shares 34,006 Value ($000) $2,691 Avg Close $15.19 Range $12.93 - $17.00

Q1 2020

Shares 55,168 Value ($000) $3,896 Avg Close $17.03 Range $12.72 - $19.87

Q4 2019

Shares 57,404 Value ($000) $4,946 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 45,019 Value ($000) $3,906 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 36,624 Value ($000) $2,877 Avg Close $13.48 Range $11.77 - $15.78

Q1 2019

Shares 30,885 Value ($000) $1,840 Avg Close $11.21 Range $9.70 - $12.25

Q4 2018

Shares 34,965 Value ($000) $1,810 Avg Close $12.40 Range $9.76 - $14.51

Q3 2018

Shares 36,544 Value ($000) $2,496 Avg Close $13.24 Range $11.60 - $14.44

Q2 2018

Shares 34,563 Value ($000) $2,022 Avg Close $10.68 Range $9.26 - $11.77

Q1 2018

Shares 28,477 Value ($000) $1,394 Avg Close $9.88 Range $8.93 - $10.68

Q4 2017

Shares 28,017 Value ($000) $1,349 Avg Close $9.70 Range $9.21 - $10.18

Q3 2017

Shares 25,978 Value ($000) $1,209 Avg Close $8.79 Range $7.99 - $9.67

Q2 2017

Shares 25,715 Value ($000) $1,176 Avg Close $8.91 Range $7.98 - $9.55

Q1 2017

Shares 23,511 Value ($000) $960 Avg Close $8.29 Range $7.77 - $8.97

Q4 2016

Shares 26,247 Value ($000) $1,133 Avg Close $8.08 Range $6.96 - $8.86

Q3 2016

Shares 24,872 Value ($000) $882 Avg Close $6.78 Range $6.02 - $7.25

Q2 2016

Shares 24,805 Value ($000) $763 Avg Close $5.98 Range $5.60 - $6.35

Q1 2016

Shares 24,384 Value ($000) $727 Avg Close $5.32 Range $4.57 - $6.01

Q4 2015

Shares 19,669 Value ($000) $512 Avg Close $5.34 Range $4.76 - $5.64

Q3 2015

Shares 16,324 Value ($000) $397 Avg Close $5.12 Range $4.82 - $5.50

Q2 2015

Shares 15,569 Value ($000) $399 Avg Close $5.12 Range $4.77 - $5.50

Q1 2015

Shares 14,668 Value ($000) $352 Avg Close $4.94 Range $4.60 - $5.40

Q4 2014

Shares 10,998 Value ($000) $294 Avg Close $5.23 Range $4.74 - $5.57

Q3 2014

Shares 8,778 Value ($000) $219 Avg Close $5.21 Range $4.59 - $5.65

Q2 2014

Shares 8,730 Value ($000) $240 Avg Close $5.47 Range $5.05 - $6.00

Q1 2014

Shares 9,800 Value ($000) $290 Avg Close $5.82 Range $5.47 - $6.18

Q4 2013

Shares 7,981 Value ($000) $223 Avg Close $5.40 Range $4.77 - $6.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	35,772	$4,142	$22.53	$19.06 - $25.44
Q3 2020	33,975	$3,245	$17.77	$14.99 - $19.31
Q2 2020	34,006	$2,691	$15.19	$12.93 - $17.00
Q1 2020	55,168	$3,896	$17.03	$12.72 - $19.87
Q4 2019	57,404	$4,946	$17.32	$16.24 - $18.07
Q3 2019	45,019	$3,906	$16.34	$14.60 - $17.46
Q2 2019	36,624	$2,877	$13.48	$11.77 - $15.78
Q1 2019	30,885	$1,840	$11.21	$9.70 - $12.25
Q4 2018	34,965	$1,810	$12.40	$9.76 - $14.51
Q3 2018	36,544	$2,496	$13.24	$11.60 - $14.44
Q2 2018	34,563	$2,022	$10.68	$9.26 - $11.77
Q1 2018	28,477	$1,394	$9.88	$8.93 - $10.68
Q4 2017	28,017	$1,349	$9.70	$9.21 - $10.18
Q3 2017	25,978	$1,209	$8.79	$7.99 - $9.67
Q2 2017	25,715	$1,176	$8.91	$7.98 - $9.55
Q1 2017	23,511	$960	$8.29	$7.77 - $8.97
Q4 2016	26,247	$1,133	$8.08	$6.96 - $8.86
Q3 2016	24,872	$882	$6.78	$6.02 - $7.25
Q2 2016	24,805	$763	$5.98	$5.60 - $6.35
Q1 2016	24,384	$727	$5.32	$4.57 - $6.01
Q4 2015	19,669	$512	$5.34	$4.76 - $5.64
Q3 2015	16,324	$397	$5.12	$4.82 - $5.50
Q2 2015	15,569	$399	$5.12	$4.77 - $5.50
Q1 2015	14,668	$352	$4.94	$4.60 - $5.40
Q4 2014	10,998	$294	$5.23	$4.74 - $5.57
Q3 2014	8,778	$219	$5.21	$4.59 - $5.65
Q2 2014	8,730	$240	$5.47	$5.05 - $6.00
Q1 2014	9,800	$290	$5.82	$5.47 - $6.18
Q4 2013	7,981	$223	$5.40	$4.77 - $6.00