TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

Boston Partners's Holding History (CIK: 0001386060)

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

Q2 2020

Shares 13,377 Value ($000) $1,059 Avg Close $15.19 Range $12.93 - $17.00

Q1 2020

Shares 15,263 Value ($000) $1,078 Avg Close $17.03 Range $12.72 - $19.87

Q4 2019

Shares 553,277 Value ($000) $47,676 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 553,939 Value ($000) $48,156 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 576,547 Value ($000) $45,507 Avg Close $13.48 Range $11.77 - $15.78

Q1 2019

Shares 752,090 Value ($000) $44,817 Avg Close $11.21 Range $9.70 - $12.25

Q4 2018

Shares 736,017 Value ($000) $38,104 Avg Close $12.40 Range $9.76 - $14.51

Q3 2018

Shares 1,019,076 Value ($000) $69,603 Avg Close $13.24 Range $11.60 - $14.44

Q2 2018

Shares 1,054,385 Value ($000) $61,682 Avg Close $10.68 Range $9.26 - $11.77

Q1 2018

Shares 1,049,860 Value ($000) $51,391 Avg Close $9.88 Range $8.93 - $10.68

Q4 2017

Shares 1,079,262 Value ($000) $51,967 Avg Close $9.70 Range $9.21 - $10.18

Q3 2017

Shares 1,033,492 Value ($000) $48,109 Avg Close $8.79 Range $7.99 - $9.67

Q2 2017

Shares 1,010,774 Value ($000) $46,243 Avg Close $8.91 Range $7.98 - $9.55

Q1 2017

Shares 988,785 Value ($000) $40,392 Avg Close $8.29 Range $7.77 - $8.97

Q4 2016

Shares 1,005,135 Value ($000) $43,372 Avg Close $8.08 Range $6.96 - $8.86

Q3 2016

Shares 1,005,809 Value ($000) $35,676 Avg Close $6.78 Range $6.02 - $7.25

Q2 2016

Shares 1,032,661 Value ($000) $31,749 Avg Close $5.98 Range $5.60 - $6.35

Q1 2016

Shares 985,102 Value ($000) $29,376 Avg Close $5.32 Range $4.57 - $6.01

Q4 2015

Shares 948,929 Value ($000) $24,691 Avg Close $5.34 Range $4.76 - $5.64

Q3 2015

Shares 998,325 Value ($000) $24,269 Avg Close $5.12 Range $4.82 - $5.50

Q2 2015

Shares 1,008,645 Value ($000) $25,862 Avg Close $5.12 Range $4.77 - $5.50

Q1 2015

Shares 774,221 Value ($000) $18,597 Avg Close $4.94 Range $4.60 - $5.40

Q4 2014

Shares 892,379 Value ($000) $23,826 Avg Close $5.23 Range $4.74 - $5.57

Q3 2014

Shares 582,388 Value ($000) $14,548 Avg Close $5.21 Range $4.59 - $5.65

Q2 2014

Shares 191,707 Value ($000) $5,272 Avg Close $5.47 Range $5.05 - $6.00

Q1 2014

Shares 190,009 Value ($000) $5,622 Avg Close $5.82 Range $5.47 - $6.18

Q4 2013

Shares 209,370 Value ($000) $5,858 Avg Close $5.40 Range $4.77 - $6.00

Q3 2013

Shares 209,370 Value ($000) $5,421 Avg Close $4.79 Range $4.44 - $5.21

Q2 2013

Shares 209,370 Value ($000) $4,922 Avg Close $5.31 Range $4.51 - $6.11

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	13,377	$1,059	$15.19	$12.93 - $17.00
Q1 2020	15,263	$1,078	$17.03	$12.72 - $19.87
Q4 2019	553,277	$47,676	$17.32	$16.24 - $18.07
Q3 2019	553,939	$48,156	$16.34	$14.60 - $17.46
Q2 2019	576,547	$45,507	$13.48	$11.77 - $15.78
Q1 2019	752,090	$44,817	$11.21	$9.70 - $12.25
Q4 2018	736,017	$38,104	$12.40	$9.76 - $14.51
Q3 2018	1,019,076	$69,603	$13.24	$11.60 - $14.44
Q2 2018	1,054,385	$61,682	$10.68	$9.26 - $11.77
Q1 2018	1,049,860	$51,391	$9.88	$8.93 - $10.68
Q4 2017	1,079,262	$51,967	$9.70	$9.21 - $10.18
Q3 2017	1,033,492	$48,109	$8.79	$7.99 - $9.67
Q2 2017	1,010,774	$46,243	$8.91	$7.98 - $9.55
Q1 2017	988,785	$40,392	$8.29	$7.77 - $8.97
Q4 2016	1,005,135	$43,372	$8.08	$6.96 - $8.86
Q3 2016	1,005,809	$35,676	$6.78	$6.02 - $7.25
Q2 2016	1,032,661	$31,749	$5.98	$5.60 - $6.35
Q1 2016	985,102	$29,376	$5.32	$4.57 - $6.01
Q4 2015	948,929	$24,691	$5.34	$4.76 - $5.64
Q3 2015	998,325	$24,269	$5.12	$4.82 - $5.50
Q2 2015	1,008,645	$25,862	$5.12	$4.77 - $5.50
Q1 2015	774,221	$18,597	$4.94	$4.60 - $5.40
Q4 2014	892,379	$23,826	$5.23	$4.74 - $5.57
Q3 2014	582,388	$14,548	$5.21	$4.59 - $5.65
Q2 2014	191,707	$5,272	$5.47	$5.05 - $6.00
Q1 2014	190,009	$5,622	$5.82	$5.47 - $6.18
Q4 2013	209,370	$5,858	$5.40	$4.77 - $6.00
Q3 2013	209,370	$5,421	$4.79	$4.44 - $5.21
Q2 2013	209,370	$4,922	$5.31	$4.51 - $6.11