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, Q4 2021
Institutional positions in Tetra Tech Inc as of Dec 31, 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
- 401
- +47 vs. Q3 2021
- Shares held
- 46.8M
- −774.1K (−1.6%) vs. Q3 2021
- Total value
- $7.93B
- +$857.8M (+12.1%) vs. Q3 2021
- New holders
- 71
- 115 more added
- Sold out
- 24
- 150 more reduced
5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,041,851 | $1.20B | 0.03% | +327,928+4.9% | Added |
| Autonomy Capital (Jersey) L.P. | 0 | $0 | 0.00% | −21,429−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −20,331−100.0% | Sold out |
| Employees Retirement System of Texas | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −10,890−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −5,171−100.0% | Sold out |
| Exane Derivatives | 0 | $0 | 0.00% | −3,747−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −3,027−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −2,895−100.0% | Sold out |
| Wolf Hill Capital Management, LP | 0 | $0 | 0.00% | −137,771−100.0% | Sold out |
| Financial Counselors Inc | 0 | $0 | 0.00% | −2,618−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −2,343−100.0% | Sold out |
| Colony Group LLC | 0 | $0 | 0.00% | −2,219−100.0% | Sold out |
| Personal Cfo Solutions, LLC | 0 | $0 | 0.00% | −1,791−100.0% | Sold out |
| ELCO Management Co., LLC | 0 | $0 | 0.00% | −1,556−100.0% | Sold out |
| Waratah Capital Advisors Ltd. | 0 | $0 | 0.00% | −1,462−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −317−100.0% | Sold out |
| Systematic Alpha Investments, LLC | 0 | $0 | 0.00% | −141−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Liberty Wealth Management LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Kowal Investment Group, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| HighPoint Advisor Group LLC | – | – | – | – | Not filed |
| World Asset Management Inc | – | – | – | – | Not filed |
| First Mercantile Trust Co | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |
| BBVA USA | – | – | – | – | Not filed |