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 2025
Institutional positions in Tetra Tech Inc as of Dec 31, 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
- 611
- +26 vs. Q3 2025
- Shares held
- 241.8M
- −4.04M (−1.6%) vs. Q3 2025
- Total value
- $8.10B
- −$102.0M (−1.2%) vs. Q3 2025
- New holders
- 96
- 182 more added
- Sold out
- 70
- 253 more reduced
12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CIBC Asset Management Inc | 8,488 | $284.7K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 8,535 | $286.3K | 0.11% | +8,535 | New |
| EP Wealth Advisors, LLC | 8,551 | $286.8K | 0.00% | +8,551 | New |
| TCG Advisory Services, LLC | 8,559 | $287.1K | 0.01% | −1,282−13.0% | Reduced |
| Fifth Third Wealth Advisors LLC | 8,624 | $289.2K | 0.01% | −20−0.2% | Reduced |
| Shelton Capital Management | 8,767 | $294.0K | 0.01% | −3,504−28.6% | Reduced |
| Bayforest Capital Ltd | 8,973 | $301.0K | 0.22% | −1,657−15.6% | Reduced |
| Versant Capital Management, Inc | 9,093 | $305.0K | 0.04% | −2,963−24.6% | Reduced |
| Malaga Cove Capital, LLC | 9,125 | $306.1K | 0.11% | +9,125 | New |
| Modern Wealth Management, LLC | 9,142 | $306.6K | 0.01% | +228+2.6% | Added |
| Commerce Bank | 9,191 | $308.3K | 0.00% | −68,074−88.1% | Reduced |
| North Dakota State Investment Board | 9,285 | $311.4K | 0.01% | +9,285 | New |
| Novem Group | 9,345 | $313.4K | 0.04% | −7,791−45.5% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 9,354 | $313.7K | 0.01% | +678+7.8% | Added |
| HighPoint Advisor Group LLC | 9,384 | $314.7K | 0.01% | −4,181−30.8% | Reduced |
| Everence Capital Management Inc | 9,380 | $315.0K | 0.02% | 00.0% | Unchanged |
| Inceptionr LLC | 9,431 | $316.3K | 0.09% | +9,431 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 9,500 | $318.6K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 9,686 | $324.9K | 0.00% | −69,462−87.8% | Reduced |
| NewEdge Wealth, LLC | 9,894 | $331.8K | 0.00% | −714−6.7% | Reduced |
| Whalen Wealth Management Inc. | 9,985 | $334.9K | 0.18% | +9,985 | New |
| Nomura Holdings Inc | 10,185 | $341.6K | 0.00% | +10,185 | New |
| Dakota Wealth Management | 10,196 | $342.0K | 0.01% | +10,196 | New |
| Huntington National Bank | 10,316 | $346.0K | 0.00% | −1,019−9.0% | Reduced |
| ProShare Advisors LLC | 10,483 | $351.6K | 0.00% | −693−6.2% | Reduced |
| Pallas Capital Advisors LLC | 10,518 | $352.8K | 0.01% | +10,518 | New |
| Steward Partners Investment Advisory, LLC | 10,523 | $352.9K | 0.00% | −395−3.6% | Reduced |
| Global Retirement Partners, LLC | 10,537 | $353.4K | 0.01% | +3,073+41.2% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 10,597 | $355.4K | 0.00% | −15,318−59.1% | Reduced |
| Sequoia Financial Advisors, LLC | 10,666 | $357.7K | 0.00% | +4,338+68.6% | Added |
| We Are One Seven, LLC | 10,890 | $365.3K | 0.01% | +68+0.6% | Added |
| Graham Capital Management, L.P. | 10,939 | $366.9K | 0.01% | −4,064−27.1% | Reduced |
| Argent Trust Co | 11,051 | $370.7K | 0.01% | −7,534−40.5% | Reduced |
| National Bank of Canada | 11,164 | $374.3K | 0.00% | +4,891+78.0% | Added |
| North Star Asset Management Inc | 11,500 | $385.7K | 0.02% | 00.0% | Unchanged |
| Clear Creek Financial Management, LLC | 11,590 | $388.7K | 0.03% | +11,590 | New |
| Kera Capital Partners, Inc. | 10,432 | $392.9K | 0.05% | +10,432 | New |
| Define Financial, LLC | 11,715 | $392.9K | 0.22% | −3,615−23.6% | Reduced |
| Snowden Capital Advisors LLC | 11,891 | $398.8K | 0.01% | −2,346−16.5% | Reduced |
| Groupe la Francaise | 12,000 | $402.3K | 0.01% | +500+4.3% | Added |
| Trust Point Inc. | 12,037 | $403.7K | 0.03% | +12+0.1% | Added |
| Aureus Asset Management, LLC | 12,065 | $404.7K | 0.03% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 12,078 | $405.0K | 0.00% | −1,469−10.8% | Reduced |
| Fred Alger Management, LLC | 12,237 | $410.4K | 0.00% | 00.0% | Unchanged |
| RWC Asset Management LLP | 12,253 | $411.0K | 0.02% | 00.0% | Unchanged |
| Holocene Advisors, LP | 12,317 | $413.1K | 0.00% | +2,194+21.7% | Added |
| HB Wealth Management, LLC | 12,387 | $415.5K | 0.00% | +2,907+30.7% | Added |
| Maryland State Retirement & Pension System | 12,454 | $417.7K | 0.01% | 00.0% | Unchanged |
| Optas, LLC | 12,473 | $418.3K | 0.07% | +6,239+100.1% | Added |
| Advisor Group Holdings, Inc. | 12,525 | $420.2K | 0.00% | −4,749−27.5% | Reduced |
| Rathbone Brothers plc | 12,581 | $422.0K | 0.00% | +1,512+13.7% | Added |
| J.W. Cole Advisors, Inc. | 12,870 | $429.3K | 0.01% | −174−1.3% | Reduced |
| Abacus Wealth Partners, LLC | 12,933 | $433.8K | 0.04% | +12,933 | New |
| Sterling Capital Management LLC | 12,995 | $435.9K | 0.01% | −296−2.2% | Reduced |
| Cynosure Management, LLC | 13,419 | $450.1K | 0.05% | +1,287+10.6% | Added |
| Buckingham Strategic Partners | 13,575 | $455.3K | 0.01% | +13,575 | New |
| Dover Advisors, LLC | 13,600 | $456.1K | 0.18% | +13,600 | New |
| Harbor Capital Advisors, Inc. | 13,632 | $457.0K | 0.04% | −639−4.5% | Reduced |
| ELCO Management Co., LLC | 13,697 | $459.4K | 0.29% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 13,805 | $463.0K | 0.00% | −2,600−15.8% | Reduced |
| Ensign Peak Advisors, Inc | 13,845 | $464.4K | 0.00% | −25,200−64.5% | Reduced |
| AdvisorShares Investments LLC | 13,856 | $464.7K | 0.08% | +1,117+8.8% | Added |
| Brevan Howard Capital Management LP | 13,924 | $467.0K | 0.01% | −37,195−72.8% | Reduced |
| SWP Financial LLC | 13,925 | $467.0K | 0.23% | −150−1.1% | Reduced |
| Utah Retirement Systems | 14,116 | $473.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 14,370 | $482.0K | 0.01% | +4,101+39.9% | Added |
| Cullen Capital Management LLC | 14,433 | $484.1K | 0.01% | −8,008−35.7% | Reduced |
| Laird Norton Trust Company, LLC | 14,814 | $496.9K | 0.01% | +14,814 | New |
| Tocqueville Asset Management L.P. | 15,025 | $503.9K | 0.01% | 00.0% | Unchanged |
| Ledyard National Bank | 15,068 | $505.4K | 0.04% | −489−3.1% | Reduced |
| Compass Wealth Management LLC | 15,125 | $507.3K | 0.13% | 00.0% | Unchanged |
| Dynamic Advisor Solutions LLC | 15,464 | $518.7K | 0.02% | +4,674+43.3% | Added |
| Baker Avenue Asset Management, LP | 15,560 | $521.9K | 0.01% | +1,382+9.7% | Added |
| New Hampshire Trust | 15,765 | $528.8K | 0.10% | 00.0% | Unchanged |
| Midwest Trust Co | 15,765 | $528.8K | 0.01% | 00.0% | Unchanged |
| VestGen Advisors, LLC | 15,879 | $532.6K | 0.02% | −30,450−65.7% | Reduced |
| Bowen Hanes & Co Inc | 15,975 | $536.0K | 0.01% | −721,450−97.8% | Reduced |
| Patten Group, Inc. | 15,997 | $536.5K | 0.10% | −9,250−36.6% | Reduced |
| WBI Investments | 16,156 | $541.9K | 0.14% | +1,082+7.2% | Added |
| Sanctuary Advisors, LLC | 16,628 | $557.7K | 0.00% | −3,001−15.3% | Reduced |
| Prudential Financial Inc | 16,545 | $562.0K | 0.00% | −10,525−38.9% | Reduced |
| Evergreen Capital Management LLC | 16,804 | $563.6K | 0.01% | −1,789−9.6% | Reduced |
| First Business Financial Services, Inc. | 16,820 | $564.1K | 0.05% | −735−4.2% | Reduced |
| Axq Capital, LP | 17,094 | $573.3K | 0.13% | −13,584−44.3% | Reduced |
| American Century Companies Inc | 17,297 | $580.1K | 0.00% | +5,197+43.0% | Added |
| Prelude Capital Management, LLC | 17,683 | $593.1K | 0.04% | +17,683 | New |
| First Pacific Financial | 17,751 | $595.4K | 0.08% | −1,139−6.0% | Reduced |
| Great Lakes Advisors, LLC | 17,773 | $596.1K | 0.00% | −2,367−11.8% | Reduced |
| Diversified Trust Co | 17,995 | $603.6K | 0.01% | +7,669+74.3% | Added |
| Nwam LLC | 16,510 | $605.6K | 0.03% | +49+0.3% | Added |
| Diametric Capital, LP | 18,070 | $606.1K | 0.16% | +18,070 | New |
| Merit Financial Group, LLC | 18,177 | $609.7K | 0.00% | +9,127+100.9% | Added |
| State of Wyoming | 18,457 | $619.0K | 0.07% | +3,115+20.3% | Added |
| Wiley Bros.-Aintree Capital, LLC | 18,694 | $627.0K | 0.00% | +1,178+6.7% | Added |
| AlphaGrep UK Ltd | 18,802 | $630.6K | 0.21% | +18,802 | New |
| Ballentine Partners, LLC | 18,829 | $631.5K | 0.01% | −750−3.8% | Reduced |
| Winton Group Ltd | 18,900 | $633.9K | 0.02% | +18,900 | New |
| Securian Asset Management, Inc | 19,051 | $639.0K | 0.02% | −629−3.2% | Reduced |
| Regal Investment Advisors LLC | 19,131 | $641.7K | 0.04% | +19,131 | New |
| Entropy Technologies, LP | 19,652 | $659.1K | 0.04% | −16,406−45.5% | Reduced |