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Livermore
Livermore
ZHEN

D.A. Davidson & Co.

SEC CIK
0001080107
Latest filing
Jul 24, 2026

TTEK holding history

Tetra Tech Inc in every 13F filed by D.A. Davidson & Co., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

TTEK overviewAll 13F holders of TTEKFull Q2 2026 holdings

Shares (Q2 2026)
29,965
Value
$865.7K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of TTEK by D.A. Davidson & Co., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202629,965$865.7K<0.1%−15−0.1%ReducedHolders
Q1 202629,980$903.0K<0.1%−365−1.2%ReducedHolders
Q4 202530,345$1.02M<0.1%−120−0.4%ReducedHolders
Q3 202530,465$1.02M<0.1%+1,800+6.3%AddedHolders
Q2 202528,665$1.03M<0.1%−4,995−14.8%ReducedHolders
Q1 202533,660$984.6K<0.1%−6,218−15.6%ReducedHolders
Q4 202439,878$1.59M<0.1%−615−1.5%ReducedHolders
Q3 202440,493$1.91M<0.1%+218+0.5%AddedConverted for a 5-for-1 splitHolders
Q2 20248,055$1.65M<0.1%00.0%UnchangedHolders
Q1 20248,055$1.49M<0.1%00.0%UnchangedHolders
Q4 20238,055$1.34M<0.1%−1,927−19.3%ReducedHolders
Q3 20239,982$1.52M<0.1%+32+0.3%AddedHolders
Q2 20239,950$1.63M<0.1%+550+5.9%AddedHolders
Q1 20239,400$1.37M<0.1%−600−6.0%ReducedHolders
Q4 202210,000$1.46M<0.1%00.0%UnchangedHolders
Q3 202210,000$1.27M<0.1%00.0%UnchangedHolders
Q2 202210,000$1.37M<0.1%00.0%UnchangedHolders
Q1 202210,000$1.65M<0.1%00.0%UnchangedHolders
Q4 202110,000$1.69M<0.1%00.0%UnchangedHolders
Q3 202110,000$1.49M<0.1%00.0%UnchangedHolders
Q2 202110,000$1.22M<0.1%00.0%UnchangedHolders
Q1 202110,000$1.36M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.