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 2025
Institutional positions in Tetra Tech Inc as of Jun 30, 2025. 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
- 590
- +29 vs. Q1 2025
- Shares held
- 249.4M
- +4.09M (+1.7%) vs. Q1 2025
- Total value
- $8.94B
- +$1.76B (+24.6%) vs. Q1 2025
- New holders
- 106
- 210 more added
- Sold out
- 77
- 202 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −149,043−100.0% | Sold out |
| Fundamentun, LLC | 0 | $0 | 0.00% | −109,890−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −82,674−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −74,727−100.0% | Sold out |
| Ilex Capital Partners (UK) LLP | 0 | $0 | 0.00% | −59,665−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −57,234−100.0% | Sold out |
| ING Groep NV | 0 | $0 | 0.00% | −50,500−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −38,357−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −36,573−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −35,357−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −30,282−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −29,642−100.0% | Sold out |
| Sumitomo Life Insurance Co | 0 | $0 | 0.00% | −29,059−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −25,648−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −25,573−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −24,600−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −22,486−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −21,451−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −18,187−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −18,060−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −17,769−100.0% | Sold out |
| TT International Asset Management LTD | 0 | $0 | 0.00% | −16,993−100.0% | Sold out |
| Financial Counselors Inc | 0 | $0 | 0.00% | −15,765−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −15,617−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −15,128−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −14,661−100.0% | Sold out |
| Polen Capital Management LLC | 0 | $0 | 0.00% | −14,061−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −12,146−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −12,132−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −11,905−100.0% | Sold out |
| Pensionmark Financial Group, LLC | 0 | $0 | 0.00% | −11,499−100.0% | Sold out |
| Guinness Asset Management LTD | 0 | $0 | 0.00% | −11,214−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −10,537−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −10,569−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −10,434−100.0% | Sold out |
| Riverbend Wealth Management, LLC | 0 | $0 | 0.00% | −10,183−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −9,713−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −9,004−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −8,496−100.0% | Sold out |
| First Western Trust Bank | 0 | $0 | 0.00% | −7,250−100.0% | Sold out |
| City Center Advisors, LLC | 0 | $0 | 0.00% | −7,106−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −6,874−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −6,667−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −2,972−100.0% | Sold out |
| Ameliora Wealth Management Ltd. | 0 | $0 | 0.00% | −2,460−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −1,750−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −1,224−100.0% | Sold out |
| Ostrum Asset Management | 0 | $0 | 0.00% | −1,049−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −886−100.0% | Sold out |
| Chilton Capital Management LLC | 0 | $0 | 0.00% | −862−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −787−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −565−100.0% | Sold out |
| Creekmur Asset Management LLC | 0 | $0 | 0.00% | −517−100.0% | Sold out |
| Stuart Chaussee & Associates, Inc. | 0 | $0 | 0.00% | −490−100.0% | Sold out |
| Wayfinding Financial, LLC | 0 | $0 | 0.00% | −431−100.0% | Sold out |
| Bank of Jackson Hole Trust | 0 | $0 | 0.00% | −215−100.0% | Sold out |
| Key Financial Inc | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Synergy Investment Management, LLC | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Chesapeake Asset Management LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Sachetta, LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Global Financial Private Client, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Greenline Partners, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| MPWM Advisory Solutions, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Paradoxiom Capital L.P. | – | – | – | – | Not filed |
| Orion Portfolio Solutions, LLC | – | – | – | – | Not filed |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |
| Financial Network Wealth Management LLC | – | – | – | – | Not filed |
| Credit Agricole S A | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |
| Sandy Spring Bank | – | – | – | – | Not filed |