TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

OSAIC HOLDINGS, INC.'s Holding History (CIK: 0001677044)

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

Q4 2025

Shares 12,525 Value ($000) $420 Avg Close $33.82 Range $31.18 - $37.75

Q3 2025

Shares 17,274 Value ($000) $592 Avg Close $36.35 Range $32.91 - $38.66

Q2 2025

Shares 17,350 Value ($000) $613 Avg Close $33.29 Range $27.27 - $36.67

Q1 2025

Shares 20,504 Value ($000) $600 Avg Close $33.56 Range $28.17 - $42.98

Q4 2024

Shares 11,723 Value ($000) $467 Avg Close $44.89 Range $39.19 - $51.20

Q3 2024

Shares 20,084 Value ($000) $947 Avg Close $44.50 Range $39.43 - $48.26

Q2 2024

Shares 3,956 Value ($000) $809 Avg Close $40.77 Range $36.50 - $44.28

Q1 2024

Shares 5,828 Value ($000) $1,077 Avg Close $34.64 Range $31.61 - $38.03

Q4 2023

Shares 21,563 Value ($000) $3,602 Avg Close $31.93 Range $28.67 - $33.99

Q3 2023

Shares 54,561 Value ($000) $8,297 Avg Close $32.50 Range $30.19 - $34.65

Q2 2023

Shares 26,762 Value ($000) $4,416 Avg Close $29.41 Range $26.46 - $33.10

Q1 2023

Shares 26,397 Value ($000) $3,833 Avg Close $28.89 Range $26.24 - $31.92

Q4 2022

Shares 26,901 Value ($000) $3,907 Avg Close $28.91 Range $24.57 - $33.93

Q3 2022

Shares 26,075 Value ($000) $3,354 Avg Close $27.98 Range $24.84 - $31.09

Q2 2022

Shares 25,059 Value ($000) $3,439 Avg Close $27.42 Range $23.71 - $33.82

Q1 2022

Shares 22,054 Value ($000) $2,617 Avg Close $30.77 Range $25.33 - $35.29

Q4 2021

Shares 16,225 Value ($000) $2,763 Avg Close $34.44 Range $29.39 - $38.58

Q3 2021

Shares 16,584 Value ($000) $2,489 Avg Close $27.46 Range $24.08 - $30.91

Q2 2021

Shares 16,115 Value ($000) $1,975 Avg Close $25.16 Range $23.20 - $28.95

Q1 2021

Shares 15,199 Value ($000) $2,069 Avg Close $26.50 Range $22.63 - $28.94

Q4 2020

Shares 14,712 Value ($000) $1,703 Avg Close $22.53 Range $19.06 - $25.44

Q3 2020

Shares 12,758 Value ($000) $1,212 Avg Close $17.77 Range $14.99 - $19.31

Q2 2020

Shares 12,002 Value ($000) $949 Avg Close $15.19 Range $12.93 - $17.00

Q1 2020

Shares 16,255 Value ($000) $1,151 Avg Close $17.03 Range $12.72 - $19.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,525	$420	$33.82	$31.18 - $37.75
Q3 2025	17,274	$592	$36.35	$32.91 - $38.66
Q2 2025	17,350	$613	$33.29	$27.27 - $36.67
Q1 2025	20,504	$600	$33.56	$28.17 - $42.98
Q4 2024	11,723	$467	$44.89	$39.19 - $51.20
Q3 2024	20,084	$947	$44.50	$39.43 - $48.26
Q2 2024	3,956	$809	$40.77	$36.50 - $44.28
Q1 2024	5,828	$1,077	$34.64	$31.61 - $38.03
Q4 2023	21,563	$3,602	$31.93	$28.67 - $33.99
Q3 2023	54,561	$8,297	$32.50	$30.19 - $34.65
Q2 2023	26,762	$4,416	$29.41	$26.46 - $33.10
Q1 2023	26,397	$3,833	$28.89	$26.24 - $31.92
Q4 2022	26,901	$3,907	$28.91	$24.57 - $33.93
Q3 2022	26,075	$3,354	$27.98	$24.84 - $31.09
Q2 2022	25,059	$3,439	$27.42	$23.71 - $33.82
Q1 2022	22,054	$2,617	$30.77	$25.33 - $35.29
Q4 2021	16,225	$2,763	$34.44	$29.39 - $38.58
Q3 2021	16,584	$2,489	$27.46	$24.08 - $30.91
Q2 2021	16,115	$1,975	$25.16	$23.20 - $28.95
Q1 2021	15,199	$2,069	$26.50	$22.63 - $28.94
Q4 2020	14,712	$1,703	$22.53	$19.06 - $25.44
Q3 2020	12,758	$1,212	$17.77	$14.99 - $19.31
Q2 2020	12,002	$949	$15.19	$12.93 - $17.00
Q1 2020	16,255	$1,151	$17.03	$12.72 - $19.87