Trillium Asset Management, LLC / TTEK
Trillium Asset Management, LLC’s Tetra Tech Inc New Position
Does Trillium Asset Management, LLC own Tetra Tech Inc New (TTEK)? Yes — 600.4K shares worth $19M (+0.62% of its 13F portfolio) as of Q1 2026, up from 391.3K shares the prior filed quarter.
Position Value
$19M
Q1 2026
Shares
600.4K
% of Portfolio
+0.62%
Quarters Held
30
currently held
Position History TTEK
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 600.4K | $19M | +0.62% |
| Q4 2025 | 391.3K | $13M | +0.41% |
| Q3 2025 | 418.7K | $14M | +0.37% |
| Q2 2025 | 423.0K | $15M | +0.41% |
| Q1 2025 | 436.0K | $13M | +0.37% |
| Q4 2024 | 516.5K | $21M | +0.53% |
| Q3 2024 | 530.5K | $25M | +0.61% |
| Q2 2024 | 107.7K | $22M | +0.56% |
| Q1 2024 | 104.5K | $19M | +0.49% |
| Q4 2023 | 105.5K | $18M | +0.48% |
| Q3 2023 | 101.7K | $15M | +0.47% |
| Q2 2023 | 96.4K | $16M | +0.44% |
| Q1 2023 | 96.6K | $13M | +0.39% |
| Q4 2022 | 95.6K | $14M | +0.43% |
| Q3 2022 | 97.7K | $13M | +0.41% |
| Q2 2022 | 106.7K | $15M | +0.45% |
| Q1 2022 | 107.8K | $18M | +0.47% |
| Q4 2021 | 108.2K | $18M | +0.43% |
| Q3 2021 | 103.3K | $15M | +0.41% |
| Q2 2021 | 97.2K | $12M | +0.33% |
| Q1 2021 | 90.9K | $12M | +0.39% |
| Q4 2020 | 25.4K | $3M | +0.11% |
| Q3 2020 | 28.6K | $3M | +0.12% |
| Q2 2020 | 42.2K | $3M | +0.14% |
| Q1 2020 | 43.4K | $3M | +0.16% |
| Q4 2019 | 41.9K | $4M | +0.16% |
| Q3 2019 | 56.8K | $5M | +0.23% |
| Q2 2019 | 56.9K | $4M | +0.22% |
| Q1 2019 | 50.3K | $3M | +0.15% |
| Q4 2018 | 48.7K | $3M | +0.15% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Trillium Asset Management, LLC’s full portfolio or all institutional holders of TTEK.