TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 407,498 Value ($000) $13,667 Avg Close $33.82 Range $31.18 - $37.75

Q3 2025

Shares 167,281 Value ($000) $7,889 Avg Close $36.35 Range $32.91 - $38.66

Q2 2025

Shares 232,942 Value ($000) $8,377 Avg Close $33.29 Range $27.27 - $36.67

Q1 2025

Shares 244,538 Value ($000) $7,153 Avg Close $33.56 Range $28.17 - $42.98

Q4 2024

Shares 248,464 Value ($000) $9,899 Avg Close $44.89 Range $39.19 - $51.20

Q3 2024

Shares 167,281 Value ($000) $8 Avg Close $44.50 Range $39.43 - $48.26

Q2 2024

Shares 18,840 Value ($000) $3,852 Avg Close $40.77 Range $36.50 - $44.28

Q1 2024

Shares 56,954 Value ($000) $10,520 Avg Close $34.64 Range $31.61 - $38.03

Q4 2023

Shares 55,958 Value ($000) $9,341 Avg Close $31.93 Range $28.67 - $33.99

Q3 2023

Shares 33,385 Value ($000) $5,076 Avg Close $32.50 Range $30.19 - $34.65

Q2 2023

Shares 35,232 Value ($000) $6 Avg Close $29.41 Range $26.46 - $33.10

Q1 2023

Shares 26,834 Value ($000) $4 Avg Close $28.89 Range $26.24 - $31.92

Q4 2022

Shares 21,925 Value ($000) $3 Avg Close $28.91 Range $24.57 - $33.93

Q3 2022

Shares 26,383 Value ($000) $3,392 Avg Close $27.98 Range $24.84 - $31.09

Q2 2022

Shares 16,987 Value ($000) $2,320 Avg Close $27.42 Range $23.71 - $33.82

Q1 2022

Shares 12,721 Value ($000) $2,097 Avg Close $30.77 Range $25.33 - $35.29

Q4 2021

Shares 79,053 Value ($000) $13,422 Avg Close $34.44 Range $29.39 - $38.58

Q3 2021

Shares 51,699 Value ($000) $7,721 Avg Close $27.46 Range $24.08 - $30.91

Q2 2021

Shares 41,278 Value ($000) $5,038 Avg Close $25.16 Range $23.20 - $28.95

Q1 2021

Shares 45,848 Value ($000) $6,223 Avg Close $26.50 Range $22.63 - $28.94

Q4 2020

Shares 23,758 Value ($000) $2,749 Avg Close $22.53 Range $19.06 - $25.44

Q3 2020

Shares 28,068 Value ($000) $2,680 Avg Close $17.77 Range $14.99 - $19.31

Q2 2020

Shares 38,201 Value ($000) $3,023 Avg Close $15.19 Range $12.93 - $17.00

Q1 2020

Shares 20,517 Value ($000) $1,449 Avg Close $17.03 Range $12.72 - $19.87

Q4 2019

Shares 63,778 Value ($000) $5,495 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 39,536 Value ($000) $3,430 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 74,732 Value ($000) $5,870 Avg Close $13.48 Range $11.77 - $15.78

Q1 2019

Shares 86,559 Value ($000) $5,159 Avg Close $11.21 Range $9.70 - $12.25

Q4 2018

Shares 66,593 Value ($000) $3,449 Avg Close $12.40 Range $9.76 - $14.51

Q3 2018

Shares 103,933 Value ($000) $7,099 Avg Close $13.24 Range $11.60 - $14.44

Q2 2018

Shares 52,004 Value ($000) $3,042 Avg Close $10.68 Range $9.26 - $11.77

Q1 2018

Shares 39,620 Value ($000) $1,940 Avg Close $9.88 Range $8.93 - $10.68

Q4 2017

Shares 28,905 Value ($000) $1,393 Avg Close $9.70 Range $9.21 - $10.18

Q3 2017

Shares 20,159 Value ($000) $939 Avg Close $8.79 Range $7.99 - $9.67

Q2 2017

Shares 15,537 Value ($000) $711 Avg Close $8.91 Range $7.98 - $9.55

Q1 2017

Shares 11,430 Value ($000) $467 Avg Close $8.29 Range $7.77 - $8.97

Q4 2016

Shares 1,978 Value ($000) $86 Avg Close $8.08 Range $6.96 - $8.86

Q3 2016

Shares 1,841 Value ($000) $65 Avg Close $6.78 Range $6.02 - $7.25

Q2 2016

Shares 315 Value ($000) $10 Avg Close $5.98 Range $5.60 - $6.35

Q1 2016

Shares 1,460 Value ($000) $43 Avg Close $5.32 Range $4.57 - $6.01

Q4 2015

Shares 98 Value ($000) $3 Avg Close $5.34 Range $4.76 - $5.64

Q3 2015

Shares 1,642 Value ($000) $39 Avg Close $5.12 Range $4.82 - $5.50

Q2 2015

Shares 2,631 Value ($000) $66 Avg Close $5.12 Range $4.77 - $5.50

Q1 2015

Shares 17,826 Value ($000) $428 Avg Close $4.94 Range $4.60 - $5.40

Q4 2014

Shares 111,061 Value ($000) $2,887 Avg Close $5.23 Range $4.74 - $5.57

Q3 2014

Shares 39,741 Value ($000) $953 Avg Close $5.21 Range $4.59 - $5.65

Q2 2014

Shares 1,344 Value ($000) $36 Avg Close $5.47 Range $5.05 - $6.00

Q1 2014

Shares 39,799 Value ($000) $1,154 Avg Close $5.82 Range $5.47 - $6.18

Q4 2013

Shares 9,315 Value ($000) $252 Avg Close $5.40 Range $4.77 - $6.00

Q3 2013

Shares 31,436 Value ($000) $786 Avg Close $4.79 Range $4.44 - $5.21

Q2 2013

Shares 52,223 Value ($000) $1,227 Avg Close $5.31 Range $4.51 - $6.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	407,498	$13,667	$33.82	$31.18 - $37.75
Q3 2025	167,281	$7,889	$36.35	$32.91 - $38.66
Q2 2025	232,942	$8,377	$33.29	$27.27 - $36.67
Q1 2025	244,538	$7,153	$33.56	$28.17 - $42.98
Q4 2024	248,464	$9,899	$44.89	$39.19 - $51.20
Q3 2024	167,281	$8	$44.50	$39.43 - $48.26
Q2 2024	18,840	$3,852	$40.77	$36.50 - $44.28
Q1 2024	56,954	$10,520	$34.64	$31.61 - $38.03
Q4 2023	55,958	$9,341	$31.93	$28.67 - $33.99
Q3 2023	33,385	$5,076	$32.50	$30.19 - $34.65
Q2 2023	35,232	$6	$29.41	$26.46 - $33.10
Q1 2023	26,834	$4	$28.89	$26.24 - $31.92
Q4 2022	21,925	$3	$28.91	$24.57 - $33.93
Q3 2022	26,383	$3,392	$27.98	$24.84 - $31.09
Q2 2022	16,987	$2,320	$27.42	$23.71 - $33.82
Q1 2022	12,721	$2,097	$30.77	$25.33 - $35.29
Q4 2021	79,053	$13,422	$34.44	$29.39 - $38.58
Q3 2021	51,699	$7,721	$27.46	$24.08 - $30.91
Q2 2021	41,278	$5,038	$25.16	$23.20 - $28.95
Q1 2021	45,848	$6,223	$26.50	$22.63 - $28.94
Q4 2020	23,758	$2,749	$22.53	$19.06 - $25.44
Q3 2020	28,068	$2,680	$17.77	$14.99 - $19.31
Q2 2020	38,201	$3,023	$15.19	$12.93 - $17.00
Q1 2020	20,517	$1,449	$17.03	$12.72 - $19.87
Q4 2019	63,778	$5,495	$17.32	$16.24 - $18.07
Q3 2019	39,536	$3,430	$16.34	$14.60 - $17.46
Q2 2019	74,732	$5,870	$13.48	$11.77 - $15.78
Q1 2019	86,559	$5,159	$11.21	$9.70 - $12.25
Q4 2018	66,593	$3,449	$12.40	$9.76 - $14.51
Q3 2018	103,933	$7,099	$13.24	$11.60 - $14.44
Q2 2018	52,004	$3,042	$10.68	$9.26 - $11.77
Q1 2018	39,620	$1,940	$9.88	$8.93 - $10.68
Q4 2017	28,905	$1,393	$9.70	$9.21 - $10.18
Q3 2017	20,159	$939	$8.79	$7.99 - $9.67
Q2 2017	15,537	$711	$8.91	$7.98 - $9.55
Q1 2017	11,430	$467	$8.29	$7.77 - $8.97
Q4 2016	1,978	$86	$8.08	$6.96 - $8.86
Q3 2016	1,841	$65	$6.78	$6.02 - $7.25
Q2 2016	315	$10	$5.98	$5.60 - $6.35
Q1 2016	1,460	$43	$5.32	$4.57 - $6.01
Q4 2015	98	$3	$5.34	$4.76 - $5.64
Q3 2015	1,642	$39	$5.12	$4.82 - $5.50
Q2 2015	2,631	$66	$5.12	$4.77 - $5.50
Q1 2015	17,826	$428	$4.94	$4.60 - $5.40
Q4 2014	111,061	$2,887	$5.23	$4.74 - $5.57
Q3 2014	39,741	$953	$5.21	$4.59 - $5.65
Q2 2014	1,344	$36	$5.47	$5.05 - $6.00
Q1 2014	39,799	$1,154	$5.82	$5.47 - $6.18
Q4 2013	9,315	$252	$5.40	$4.77 - $6.00
Q3 2013	31,436	$786	$4.79	$4.44 - $5.21
Q2 2013	52,223	$1,227	$5.31	$4.51 - $6.11