D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
TTEK holding history
Tetra Tech Inc in every 13F filed by D. E. Shaw & Co., Inc., 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)
- 8,286
- Value
- $239.4K
- % of portfolio
- <0.1%
- Quarters held
- 17
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 8,286 | $239.4K | <0.1% | +8,286 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −720,789−100.0% | Sold out | Holders |
| Q4 2025 | 720,789 | $24.2M | <0.1% | +644,064+839.4% | Added | Holders |
| Q3 2025 | 76,725 | $2.56M | <0.1% | +47,350+161.2% | Added | Holders |
| Q2 2025 | 29,375 | $1.06M | <0.1% | −637,317−95.6% | Reduced | Holders |
| Q1 2025 | 666,692 | $19.5M | <0.1% | +666,692 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −113,450−100.0% | Sold outConverted for a 5-for-1 split | Holders |
| Q2 2024 | 22,690 | $4.64M | <0.1% | −17,659−43.8% | Reduced | Holders |
| Q1 2024 | 40,349 | $7.45M | <0.1% | +20,640+104.7% | Added | Holders |
| Q4 2023 | 19,709 | $3.29M | <0.1% | +19,709 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −3,400−100.0% | Sold out | Holders |
| Q2 2023 | 3,400 | $556.7K | <0.1% | −827−19.6% | Reduced | Holders |
| Q1 2023 | 4,227 | $621.0K | <0.1% | −2,958−41.2% | Reduced | Holders |
| Q4 2022 | 7,185 | $1.04M | <0.1% | −11,979−62.5% | Reduced | Holders |
| Q3 2022 | 19,164 | $2.46M | <0.1% | +46+0.2% | Added | Holders |
| Q2 2022 | 19,118 | $2.61M | <0.1% | +19,118 | New | Holders |
| Q1 2022 | 0 | $0 | 0.0% | −2,667−100.0% | Sold out | Holders |
| Q4 2021 | 2,667 | $453.0K | <0.1% | −6,430−70.7% | Reduced | Holders |
| Q3 2021 | 9,097 | $1.36M | <0.1% | −88,308−90.7% | Reduced | Holders |
| Q2 2021 | 97,405 | $11.9M | <0.1% | +61,577+171.9% | Added | Holders |
| Q1 2021 | 35,828 | $4.86M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.