Tetra Tech Inc
TTEK- Exchange
- Nasdaq
- Industry
- Services-Engineering Services
- SEC CIK
- 0000831641
No open-market purchases or sales by Tetra Tech Inc insiders were filed in the last 90 days; 555 institutions reported holding it in 13F filings for Q2 2026, worth $7.32B in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Tetra Tech Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 366
- +3 vs. Q1 2021
- Shares held
- 46.6M
- −505.4K (−1.1%) vs. Q1 2021
- Total value
- $5.68B
- −$701.4M (−11.0%) vs. Q1 2021
- New holders
- 50
- 126 more added
- Sold out
- 47
- 134 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TTEK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 555 | $7.32B |
| Q1 2026 | 593 | $7.35B |
| Q4 2025 | 611 | $8.10B |
| Q3 2025 | 597 | $8.22B |
| Q2 2025 | 590 | $8.94B |
| Q1 2025 | 568 | $7.18B |
| Q4 2024 | 638 | $9.45B |
| Q3 2024 | 646 | $11.2B |
| Q2 2024 | 600 | $9.88B |
| Q1 2024 | 512 | $8.66B |
| Q4 2023 | 510 | $7.87B |
| Q3 2023 | 471 | $7.09B |
| Q2 2023 | 455 | $7.67B |
| Q1 2023 | 445 | $6.81B |
| Q4 2022 | 470 | $6.68B |
| Q3 2022 | 412 | $5.91B |
| Q2 2022 | 415 | $6.31B |
| Q1 2022 | 404 | $7.86B |
| Q4 2021 | 401 | $7.93B |
| Q3 2021 | 359 | $7.08B |
| Q2 2021 | 366 | $5.68B |
| Q1 2021 | 365 | $6.39B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| KB Financial Partners, LLC | 0 | $0 | 0.00% | −270−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −197−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Cordasco Financial Network | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Heritage Wealth Management, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Waddell & Reed Financial Inc | – | – | – | – | Not filed |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |