TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

OPPENHEIMER ASSET MANAGEMENT INC.'s Holding History (CIK: 0001269119)

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

Q3 2025

Shares 6,033 Value ($000) $201 Avg Close $36.35 Range $32.91 - $38.66

Q2 2025

Shares 6,042 Value ($000) $217 Avg Close $33.29 Range $27.27 - $36.67

Q4 2019

Shares 91 Value ($000) $8 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 91 Value ($000) $8 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 70 Value ($000) $5 Avg Close $13.48 Range $11.77 - $15.78

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	6,033	$201	$36.35	$32.91 - $38.66
Q2 2025	6,042	$217	$33.29	$27.27 - $36.67
Q4 2019	91	$8	$17.32	$16.24 - $18.07
Q3 2019	91	$8	$16.34	$14.60 - $17.46
Q2 2019	70	$5	$13.48	$11.77 - $15.78