Renaissance Technologies (RenTech)'s TTEK Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 453,600 shares of Tetra Tech, Inc. (TTEK) worth $13.66 M, representing 0.02% of the portfolio. First purchased in 2013-Q3, this long-term strategic position has been held for 41 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in TTEK, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2022, adding 1.35 M shares. Largest reduction occurred in Q1 2023, reducing 1.08 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Tetra Tech (TTEK) Holding Value Over Time
Track share changes against reported price movement
Quarterly Tetra Tech (TTEK) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -55,100 | Reduce 10.83% | 453,600 | $30.12 |
| Q4 2025 | +1,000 | Add 0.20% | 508,700 | $33.54 |
| Q3 2025 | +115,200 | Add 29.35% | 507,700 | $33.38 |
| Q2 2025 | +127,500 | Add 48.11% | 392,500 | $35.96 |
| Q1 2025 | -389,800 | Reduce 59.53% | 265,000 | $29.25 |
| Q4 2024 | +393,200 | Add 150.31% | 654,800 | $39.84 |
| Q3 2024 | +222,500 | Add 569.05% | 261,600 | $47.16 |
| Q2 2024 | -102,500 | Reduce 72.39% | 39,100 | $40.90 |
| Q1 2024 | -328,000 | Reduce 69.85% | 141,600 | $36.94 |
| Q4 2023 | +49,000 | Add 11.65% | 469,600 | $33.39 |
| Q3 2023 | +420,600 | New Buy | 420,600 | $30.41 |
| Q2 2023 | -259,635 | Sold Out | 0 | $0.00 |
| Q1 2023 | -1.08 M | Reduce 80.60% | 259,635 | $0.03 |
| Q4 2022 | -165,500 | Reduce 11.00% | 1.34 M | $0.03 |
| Q3 2022 | +153,500 | Add 11.37% | 1.5 M | $25.71 |
| Q2 2022 | +1.35 M | New Buy | 1.35 M | $27.31 |
| Q3 2021 | -81,100 | Sold Out | 0 | $0.00 |
| Q2 2021 | +81,100 | New Buy | 81,100 | $24.40 |
| Q4 2020 | -100,100 | Sold Out | 0 | $0.00 |
| Q3 2020 | -600,000 | Reduce 85.70% | 100,100 | $19.10 |
| Q2 2020 | +16,500 | Add 2.41% | 700,100 | $15.82 |
| Q1 2020 | +588,500 | Add 618.82% | 683,600 | $14.12 |
| Q4 2019 | +95,100 | New Buy | 95,100 | $17.23 |
| Q2 2019 | -62,500 | Sold Out | 0 | $0.00 |
| Q1 2019 | -951,600 | Reduce 93.84% | 62,500 | $11.92 |
| Q4 2018 | +334,000 | Add 49.11% | 1.01 M | $10.35 |
| Q3 2018 | -143,400 | Reduce 17.41% | 680,100 | $13.66 |
| Q2 2018 | -220,500 | Reduce 21.12% | 823,500 | $11.70 |
| Q1 2018 | +341,000 | Add 48.51% | 1.04 M | $9.79 |
| Q4 2017 | -119,500 | Reduce 14.53% | 703,000 | $9.63 |
| Q3 2017 | +95,000 | Add 13.06% | 822,500 | $9.31 |
| Q2 2017 | -486,100 | Reduce 40.05% | 727,500 | $9.15 |
| Q1 2017 | +663,100 | Add 120.45% | 1.21 M | $8.17 |
| Q4 2016 | +248,000 | Add 81.98% | 550,500 | $8.63 |
| Q3 2016 | -248,500 | Reduce 45.10% | 302,500 | $7.09 |
| Q2 2016 | +112,500 | Add 25.66% | 551,000 | $6.15 |
| Q1 2016 | -190,100 | Reduce 30.24% | 438,500 | $5.96 |
| Q4 2015 | +628,600 | New Buy | 628,600 | $5.20 |
| Q1 2014 | -338,625 | Sold Out | 0 | $0.00 |
| Q4 2013 | -192,975 | Reduce 36.30% | 338,625 | $5.60 |
| Q3 2013 | +531,600 | New Buy | 531,600 | $5.18 |
Renaissance Technologies (RenTech)'s Tetra Tech Investment FAQs
Renaissance Technologies (RenTech) first purchased Tetra Tech, Inc. (TTEK) in Q3 2013, acquiring 531,600 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Tetra Tech, Inc. (TTEK) for 41 quarters since Q3 2013.
Renaissance Technologies (RenTech)'s largest addition to Tetra Tech, Inc. (TTEK) was in Q2 2022, adding 1,350,600 shares worth $36.88 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 453,600 shares of Tetra Tech, Inc. (TTEK), valued at approximately $13.66 M.
As of the Q1 2026 filing, Tetra Tech, Inc. (TTEK) represents approximately 0.02% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Tetra Tech, Inc. (TTEK) was 1,504,100 shares, as reported at the end of Q3 2022.