TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 413,523 Value ($000) $14 Avg Close $33.82 Range $31.18 - $37.75

Q3 2025

Shares 394,847 Value ($000) $13 Avg Close $36.35 Range $32.91 - $38.66

Q2 2025

Shares 374,847 Value ($000) $13 Avg Close $33.29 Range $27.27 - $36.67

Q1 2025

Shares 189,655 Value ($000) $6 Avg Close $33.56 Range $28.17 - $42.98

Q4 2024

Shares 174,888 Value ($000) $7 Avg Close $44.89 Range $39.19 - $51.20

Q3 2024

Shares 160,944 Value ($000) $8 Avg Close $44.50 Range $39.43 - $48.26

Q2 2024

Shares 30,279 Value ($000) $6 Avg Close $40.77 Range $36.50 - $44.28

Q1 2024

Shares 28,613 Value ($000) $5 Avg Close $34.64 Range $31.61 - $38.03

Q4 2023

Shares 26,517 Value ($000) $4 Avg Close $31.93 Range $28.67 - $33.99

Q3 2023

Shares 25,027 Value ($000) $4 Avg Close $32.50 Range $30.19 - $34.65

Q2 2023

Shares 23,387 Value ($000) $4 Avg Close $29.41 Range $26.46 - $33.10

Q1 2023

Shares 23,467 Value ($000) $3 Avg Close $28.89 Range $26.24 - $31.92

Q4 2022

Shares 22,874 Value ($000) $3 Avg Close $28.91 Range $24.57 - $33.93

Q3 2022

Shares 22,215 Value ($000) $2,856 Avg Close $27.98 Range $24.84 - $31.09

Q2 2022

Shares 734,348 Value ($000) $100,275 Avg Close $27.42 Range $23.71 - $33.82

Q1 2022

Shares 731,066 Value ($000) $120,582 Avg Close $30.77 Range $25.33 - $35.29

Q4 2021

Shares 720,711 Value ($000) $122,377 Avg Close $34.44 Range $29.39 - $38.58

Q3 2021

Shares 757,655 Value ($000) $113,148 Avg Close $27.46 Range $24.08 - $30.91

Q2 2021

Shares 766,690 Value ($000) $93,567 Avg Close $25.16 Range $23.20 - $28.95

Q1 2021

Shares 783,277 Value ($000) $106,306 Avg Close $26.50 Range $22.63 - $28.94

Q4 2020

Shares 813,468 Value ($000) $94,183 Avg Close $22.53 Range $19.06 - $25.44

Q3 2020

Shares 789,932 Value ($000) $75,439 Avg Close $17.77 Range $14.99 - $19.31

Q2 2020

Shares 736,412 Value ($000) $58,265 Avg Close $15.19 Range $12.93 - $17.00

Q1 2020

Shares 486,684 Value ($000) $34,370 Avg Close $17.03 Range $12.72 - $19.87

Q4 2019

Shares 435,068 Value ($000) $37,485 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 28,855 Value ($000) $2,503 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 28,598 Value ($000) $2,246 Avg Close $13.48 Range $11.77 - $15.78

Q1 2019

Shares 28,486 Value ($000) $1,697 Avg Close $11.21 Range $9.70 - $12.25

Q4 2018

Shares 28,334 Value ($000) $1,467 Avg Close $12.40 Range $9.76 - $14.51

Q3 2018

Shares 23,533 Value ($000) $1,607 Avg Close $13.24 Range $11.60 - $14.44

Q2 2018

Shares 23,406 Value ($000) $1,369 Avg Close $10.68 Range $9.26 - $11.77

Q1 2018

Shares 25,435 Value ($000) $1,245 Avg Close $9.88 Range $8.93 - $10.68

Q4 2017

Shares 25,326 Value ($000) $1,219 Avg Close $9.70 Range $9.21 - $10.18

Q3 2017

Shares 25,336 Value ($000) $1,179 Avg Close $8.79 Range $7.99 - $9.67

Q2 2017

Shares 23,436 Value ($000) $1,072 Avg Close $8.91 Range $7.98 - $9.55

Q1 2017

Shares 23,435 Value ($000) $957 Avg Close $8.29 Range $7.77 - $8.97

Q4 2016

Shares 23,435 Value ($000) $1,011 Avg Close $8.08 Range $6.96 - $8.86

Q3 2016

Shares 23,435 Value ($000) $831 Avg Close $6.78 Range $6.02 - $7.25

Q2 2016

Shares 23,435 Value ($000) $721 Avg Close $5.98 Range $5.60 - $6.35

Q1 2016

Shares 23,425 Value ($000) $699 Avg Close $5.32 Range $4.57 - $6.01

Q4 2015

Shares 23,425 Value ($000) $610 Avg Close $5.34 Range $4.76 - $5.64

Q3 2015

Shares 26,875 Value ($000) $653 Avg Close $5.12 Range $4.82 - $5.50

Q2 2015

Shares 23,375 Value ($000) $599 Avg Close $5.12 Range $4.77 - $5.50

Q1 2015

Shares 23,375 Value ($000) $561 Avg Close $4.94 Range $4.60 - $5.40

Q4 2014

Shares 23,375 Value ($000) $624 Avg Close $5.23 Range $4.74 - $5.57

Q3 2014

Shares 26,875 Value ($000) $671 Avg Close $5.21 Range $4.59 - $5.65

Q2 2014

Shares 30,975 Value ($000) $852 Avg Close $5.47 Range $5.05 - $6.00

Q1 2014

Shares 23,975 Value ($000) $709 Avg Close $5.82 Range $5.47 - $6.18

Q4 2013

Shares 26,275 Value ($000) $735 Avg Close $5.40 Range $4.77 - $6.00

Q3 2013

Shares 26,275 Value ($000) $680 Avg Close $4.79 Range $4.44 - $5.21

Q2 2013

Shares 26,275 Value ($000) $618 Avg Close $5.31 Range $4.51 - $6.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	413,523	$14	$33.82	$31.18 - $37.75
Q3 2025	394,847	$13	$36.35	$32.91 - $38.66
Q2 2025	374,847	$13	$33.29	$27.27 - $36.67
Q1 2025	189,655	$6	$33.56	$28.17 - $42.98
Q4 2024	174,888	$7	$44.89	$39.19 - $51.20
Q3 2024	160,944	$8	$44.50	$39.43 - $48.26
Q2 2024	30,279	$6	$40.77	$36.50 - $44.28
Q1 2024	28,613	$5	$34.64	$31.61 - $38.03
Q4 2023	26,517	$4	$31.93	$28.67 - $33.99
Q3 2023	25,027	$4	$32.50	$30.19 - $34.65
Q2 2023	23,387	$4	$29.41	$26.46 - $33.10
Q1 2023	23,467	$3	$28.89	$26.24 - $31.92
Q4 2022	22,874	$3	$28.91	$24.57 - $33.93
Q3 2022	22,215	$2,856	$27.98	$24.84 - $31.09
Q2 2022	734,348	$100,275	$27.42	$23.71 - $33.82
Q1 2022	731,066	$120,582	$30.77	$25.33 - $35.29
Q4 2021	720,711	$122,377	$34.44	$29.39 - $38.58
Q3 2021	757,655	$113,148	$27.46	$24.08 - $30.91
Q2 2021	766,690	$93,567	$25.16	$23.20 - $28.95
Q1 2021	783,277	$106,306	$26.50	$22.63 - $28.94
Q4 2020	813,468	$94,183	$22.53	$19.06 - $25.44
Q3 2020	789,932	$75,439	$17.77	$14.99 - $19.31
Q2 2020	736,412	$58,265	$15.19	$12.93 - $17.00
Q1 2020	486,684	$34,370	$17.03	$12.72 - $19.87
Q4 2019	435,068	$37,485	$17.32	$16.24 - $18.07
Q3 2019	28,855	$2,503	$16.34	$14.60 - $17.46
Q2 2019	28,598	$2,246	$13.48	$11.77 - $15.78
Q1 2019	28,486	$1,697	$11.21	$9.70 - $12.25
Q4 2018	28,334	$1,467	$12.40	$9.76 - $14.51
Q3 2018	23,533	$1,607	$13.24	$11.60 - $14.44
Q2 2018	23,406	$1,369	$10.68	$9.26 - $11.77
Q1 2018	25,435	$1,245	$9.88	$8.93 - $10.68
Q4 2017	25,326	$1,219	$9.70	$9.21 - $10.18
Q3 2017	25,336	$1,179	$8.79	$7.99 - $9.67
Q2 2017	23,436	$1,072	$8.91	$7.98 - $9.55
Q1 2017	23,435	$957	$8.29	$7.77 - $8.97
Q4 2016	23,435	$1,011	$8.08	$6.96 - $8.86
Q3 2016	23,435	$831	$6.78	$6.02 - $7.25
Q2 2016	23,435	$721	$5.98	$5.60 - $6.35
Q1 2016	23,425	$699	$5.32	$4.57 - $6.01
Q4 2015	23,425	$610	$5.34	$4.76 - $5.64
Q3 2015	26,875	$653	$5.12	$4.82 - $5.50
Q2 2015	23,375	$599	$5.12	$4.77 - $5.50
Q1 2015	23,375	$561	$4.94	$4.60 - $5.40
Q4 2014	23,375	$624	$5.23	$4.74 - $5.57
Q3 2014	26,875	$671	$5.21	$4.59 - $5.65
Q2 2014	30,975	$852	$5.47	$5.05 - $6.00
Q1 2014	23,975	$709	$5.82	$5.47 - $6.18
Q4 2013	26,275	$735	$5.40	$4.77 - $6.00
Q3 2013	26,275	$680	$4.79	$4.44 - $5.21
Q2 2013	26,275	$618	$5.31	$4.51 - $6.11