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, Q3 2025
Institutional positions in Tetra Tech Inc as of Sep 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
- 597
- +14 vs. Q2 2025
- Shares held
- 246.3M
- −56.3K (0.0%) vs. Q2 2025
- Total value
- $8.22B
- −$607.6M (−6.9%) vs. Q2 2025
- New holders
- 74
- 231 more added
- Sold out
- 60
- 202 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Catalyst Capital Advisors LLC | 75,660 | $2.53M | 0.05% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 76,725 | $2.56M | 0.00% | +47,350+161.2% | Added |
| Staley Capital Advisers Inc | 76,835 | $2.56M | 0.11% | −1,176−1.5% | Reduced |
| Commerce Bank | 77,265 | $2.58M | 0.01% | +341+0.4% | Added |
| Daiwa Securities Group Inc. | 78,519 | $2.62M | 0.01% | −66,081−45.7% | Reduced |
| D'Orazio & Associates, Inc. | 78,904 | $2.63M | 0.35% | −370−0.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 79,148 | $2.64M | 0.02% | +14,579+22.6% | Added |
| Teachers Retirement System of the State of Kentucky | 79,425 | $2.65M | 0.02% | 00.0% | Unchanged |
| VELA Investment Management, LLC | 80,787 | $2.70M | 0.78% | −15,576−16.2% | Reduced |
| Zions Bancorporation, National Association | 81,638 | $2.73M | 0.13% | −12,059−12.9% | Reduced |
| SFE Investment Counsel | 81,760 | $2.73M | 0.44% | −96−0.1% | Reduced |
| WCM Investment Management, LLC | 82,016 | $2.76M | 0.01% | +24,673+43.0% | Added |
| Relyea Zuckerberg Hanson LLC | 82,643 | $2.76M | 0.29% | +5,011+6.5% | Added |
| Yousif Capital Management, LLC | 83,859 | $2.80M | 0.03% | −6,433−7.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 83,898 | $2.80M | 0.01% | −119,772−58.8% | Reduced |
| Comerica Bank | 84,045 | $2.81M | 0.01% | −6,369−7.0% | Reduced |
| Public Employees Retirement System of Ohio | 84,387 | $2.82M | 0.01% | −749−0.9% | Reduced |
| HighTower Advisors, LLC | 86,835 | $2.90M | 0.00% | −2,497−2.8% | Reduced |
| State of New Jersey Common Pension Fund D | 87,129 | $2.91M | 0.01% | 00.0% | Unchanged |
| Agf Management Ltd | 89,482 | $2.99M | 0.01% | +5,260+6.2% | Added |
| Zacks Investment Management | 90,803 | $3.03M | 0.02% | −547−0.6% | Reduced |
| First National Bank of Omaha | 91,053 | $3.04M | 0.19% | +18,390+25.3% | Added |
| Lazard Asset Management LLC | 93,062 | $3.11M | 0.00% | +93,062 | New |
| Scholtz & Company, LLC | 93,235 | $3.11M | 1.37% | −17,818−16.0% | Reduced |
| SG Americas Securities, LLC | 95,046 | $3.17M | 0.01% | +75,173+378.3% | Added |
| Pathstone Holdings, LLC | 95,627 | $3.19M | 0.01% | +1,180+1.2% | Added |
| Nisa Investment Advisors, LLC | 101,844 | $3.40M | 0.01% | −28,900−22.1% | Reduced |
| Rice Hall James & Associates, LLC | 102,266 | $3.41M | 0.19% | −732−0.7% | Reduced |
| Portman Square Capital LLP | 102,325 | $3.42M | 0.45% | +86,356+540.8% | Added |
| Union Bancaire Privee, UBP SA | 103,649 | $3.45M | 0.07% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 106,038 | $3.54M | 0.08% | −24,751−18.9% | Reduced |
| Citigroup Inc | 107,470 | $3.59M | 0.00% | −42,546−28.4% | Reduced |
| State of Tennessee, Treasury Department | 108,032 | $3.61M | 0.01% | 00.0% | Unchanged |
| AIA Group Ltd | 108,977 | $3.64M | 0.06% | +16,985+18.5% | Added |
| Isthmus Partners, LLC | 110,919 | $3.70M | 0.82% | +3,938+3.7% | Added |
| Capital International Ltd | 112,889 | $3.77M | 0.14% | +112,889 | New |
| Icon Advisers Inc | 114,000 | $3.81M | 0.83% | 00.0% | Unchanged |
| Penobscot Investment Management Company, Inc. | 115,345 | $3.85M | 0.30% | −6,010−5.0% | Reduced |
| Swiss Life Asset Management Ltd | 115,867 | $3.87M | 0.02% | +5,198+4.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 117,161 | $3.91M | 0.03% | +15,715+15.5% | Added |
| Treasurer of the State of North Carolina | 118,037 | $3.94M | 0.01% | −6,707−5.4% | Reduced |
| Advisors Asset Management, Inc. | 119,533 | $3.99M | 0.07% | +5,873+5.2% | Added |
| Mutual of America Capital Management LLC | 121,357 | $4.05M | 0.04% | −9,685−7.4% | Reduced |
| Amalgamated Bank | 121,385 | $4.05M | 0.03% | −329−0.3% | Reduced |
| HRT Financial LP | 122,350 | $4.08M | 0.02% | −22,473−15.5% | Reduced |
| Crown Advisors Management, Inc. | 125,000 | $4.17M | 2.79% | 00.0% | Unchanged |
| Artemis Investment Management LLP | 127,167 | $4.24M | 0.05% | −619,376−83.0% | Reduced |
| Stifel Financial Corp | 127,240 | $4.25M | 0.00% | −1,299−1.0% | Reduced |
| Crossmark Global Holdings, Inc. | 128,172 | $4.28M | 0.06% | +106,947+503.9% | Added |
| Alpine Woods Capital Investors, LLC | 131,367 | $4.39M | 1.02% | −19,231−12.8% | Reduced |
| Creative Planning | 132,539 | $4.42M | 0.00% | +6,705+5.3% | Added |
| S&T Bank | 134,849 | $4.50M | 1.27% | −14,530−9.7% | Reduced |
| Edgestream Partners, L.P. | 135,525 | $4.52M | 0.13% | −173,717−56.2% | Reduced |
| MetLife Investment Management | 137,365 | $4.59M | 0.02% | −6,843−4.7% | Reduced |
| River Wealth Advisors LLC | 148,907 | $4.97M | 0.58% | +5,336+3.7% | Added |
| Verition Fund Management LLC | 153,904 | $5.14M | 0.03% | −20,298−11.7% | Reduced |
| CenterBook Partners LP | 161,181 | $5.38M | 0.27% | −45,361−22.0% | Reduced |
| OP Asset Management Ltd | 161,510 | $5.39M | 0.07% | −28,096−14.8% | Reduced |
| Mirova | 165,280 | $5.52M | 0.78% | +20,451+14.1% | Added |
| Erste Asset Management GmbH | 167,700 | $5.64M | 0.05% | +167,700 | New |
| Kingdon Capital Management, L.L.C. | 175,000 | $5.84M | 0.92% | −140,000−44.4% | Reduced |
| Moran Wealth Management, LLC | 175,334 | $5.85M | 0.18% | −8,960−4.9% | Reduced |
| Raymond James Financial Inc | 179,669 | $6.00M | 0.00% | +1,727+1.0% | Added |
| Asset Management One Co.,Ltd. | 179,996 | $6.01M | 0.02% | −50,432−21.9% | Reduced |
| Systematic Financial Management LP | 183,190 | $6.11M | 0.15% | +774+0.4% | Added |
| ExodusPoint Capital Management, LP | 186,069 | $6.21M | 0.09% | +26,967+16.9% | Added |
| Aquatic Capital Management LLC | 186,888 | $6.24M | 0.12% | −41,371−18.1% | Reduced |
| Capital International Sarl | 187,032 | $6.24M | 0.11% | +187,032 | New |
| Manufacturers Life Insurance Company, The | 195,752 | $6.53M | 0.01% | −8,066−4.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 202,637 | $6.76M | 0.01% | +57,216+39.3% | Added |
| Great West Life Assurance Co | 203,145 | $6.83M | 0.01% | +2,065+1.0% | Added |
| State Board of Administration of Florida Retirement System | 208,583 | $6.96M | 0.01% | −3,347−1.6% | Reduced |
| Nicholas Company, Inc. | 214,090 | $7.15M | 0.12% | −1000.0% | Reduced |
| Dana Investment Advisors, Inc. | 215,835 | $7.20M | 0.21% | −1,531−0.7% | Reduced |
| Bahl & Gaynor Inc | 222,951 | $7.44M | 0.04% | +7,933+3.7% | Added |
| GHP Investment Advisors, Inc. | 230,591 | $7.70M | 0.32% | +9,569+4.3% | Added |
| Blair William & Co | 235,949 | $7.88M | 0.02% | +3,575+1.5% | Added |
| California State Teachers Retirement System | 238,581 | $7.96M | 0.01% | +120.0% | Added |
| Handelsbanken Fonder AB | 247,623 | $8.27M | 0.03% | +179,978+266.1% | Added |
| New York State Teachers Retirement System | 248,345 | $8.29M | 0.02% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 263,858 | $8.81M | 0.01% | +17,626+7.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 268,180 | $8.95M | 0.14% | −148,558−35.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 269,024 | $8.97M | 0.04% | +286+0.1% | Added |
| Duff & Phelps Investment Management Co | 269,216 | $8.99M | 0.10% | −42,512−13.6% | Reduced |
| Williams Jones Wealth Management, LLC. | 272,427 | $9.09M | 0.10% | −32,377−10.6% | Reduced |
| DekaBank Deutsche Girozentrale | 279,017 | $9.24M | 0.02% | 00.0% | Unchanged |
| Macquarie Group Ltd | 280,010 | $9.35M | 0.01% | +4,951+1.8% | Added |
| Renaissance Investment Group LLC | 293,090 | $9.78M | 1.98% | +445+0.2% | Added |
| Perpetual Ltd | 301,191 | $10.1M | 0.12% | +3,213+1.1% | Added |
| Osprey Private Wealth LLC | 305,475 | $10.2M | 3.71% | +86,675+39.6% | Added |
| Algert Global LLC | 312,389 | $10.4M | 0.17% | +35,740+12.9% | Added |
| State of Wisconsin Investment Board | 314,414 | $10.5M | 0.02% | −2,460−0.8% | Reduced |
| Van Eck Associates Corp | 320,953 | $10.7M | 0.01% | +15,669+5.1% | Added |
| Toroso Investments, LLC | 322,033 | $10.7M | 0.05% | −91,456−22.1% | Reduced |
| FMR LLC | 339,338 | $11.3M | 0.00% | +394+0.1% | Added |
| Kames Capital plc | 341,807 | $11.4M | 0.14% | −820−0.2% | Reduced |
| Trexquant Investment LP | 342,157 | $11.4M | 0.12% | +342,157 | New |
| La Banque Postale Asset Management SA | 345,230 | $11.5M | 0.14% | +140,219+68.4% | Added |
| Thematics Asset Management | 345,750 | $11.5M | 0.52% | +30,000+9.5% | Added |
| Mackenzie Financial Corp | 352,367 | $11.8M | 0.01% | +352,367 | New |