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 |
|---|---|---|---|---|---|
| Trexquant Investment LP | 342,157 | $11.4M | 0.12% | +342,157 | New |
| Kames Capital plc | 341,807 | $11.4M | 0.14% | −820−0.2% | Reduced |
| FMR LLC | 339,338 | $11.3M | 0.00% | +394+0.1% | Added |
| Toroso Investments, LLC | 322,033 | $10.7M | 0.05% | −91,456−22.1% | Reduced |
| Van Eck Associates Corp | 320,953 | $10.7M | 0.01% | +15,669+5.1% | Added |
| State of Wisconsin Investment Board | 314,414 | $10.5M | 0.02% | −2,460−0.8% | Reduced |
| Algert Global LLC | 312,389 | $10.4M | 0.17% | +35,740+12.9% | Added |
| Osprey Private Wealth LLC | 305,475 | $10.2M | 3.71% | +86,675+39.6% | Added |
| Perpetual Ltd | 301,191 | $10.1M | 0.12% | +3,213+1.1% | Added |
| Renaissance Investment Group LLC | 293,090 | $9.78M | 1.98% | +445+0.2% | Added |
| Macquarie Group Ltd | 280,010 | $9.35M | 0.01% | +4,951+1.8% | Added |
| DekaBank Deutsche Girozentrale | 279,017 | $9.24M | 0.02% | 00.0% | Unchanged |
| Williams Jones Wealth Management, LLC. | 272,427 | $9.09M | 0.10% | −32,377−10.6% | Reduced |
| Duff & Phelps Investment Management Co | 269,216 | $8.99M | 0.10% | −42,512−13.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 269,024 | $8.97M | 0.04% | +286+0.1% | Added |
| Susquehanna Portfolio Strategies, LLC | 268,180 | $8.95M | 0.14% | −148,558−35.6% | Reduced |
| Mercer Global Advisors Inc | 263,858 | $8.81M | 0.01% | +17,626+7.2% | Added |
| New York State Teachers Retirement System | 248,345 | $8.29M | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 247,623 | $8.27M | 0.03% | +179,978+266.1% | Added |
| California State Teachers Retirement System | 238,581 | $7.96M | 0.01% | +120.0% | Added |
| Blair William & Co | 235,949 | $7.88M | 0.02% | +3,575+1.5% | Added |
| GHP Investment Advisors, Inc. | 230,591 | $7.70M | 0.32% | +9,569+4.3% | Added |
| Bahl & Gaynor Inc | 222,951 | $7.44M | 0.04% | +7,933+3.7% | Added |
| Dana Investment Advisors, Inc. | 215,835 | $7.20M | 0.21% | −1,531−0.7% | Reduced |
| Nicholas Company, Inc. | 214,090 | $7.15M | 0.12% | −1000.0% | Reduced |
| State Board of Administration of Florida Retirement System | 208,583 | $6.96M | 0.01% | −3,347−1.6% | Reduced |
| Great West Life Assurance Co | 203,145 | $6.83M | 0.01% | +2,065+1.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 202,637 | $6.76M | 0.01% | +57,216+39.3% | Added |
| Manufacturers Life Insurance Company, The | 195,752 | $6.53M | 0.01% | −8,066−4.0% | Reduced |
| Capital International Sarl | 187,032 | $6.24M | 0.11% | +187,032 | New |
| Aquatic Capital Management LLC | 186,888 | $6.24M | 0.12% | −41,371−18.1% | Reduced |
| ExodusPoint Capital Management, LP | 186,069 | $6.21M | 0.09% | +26,967+16.9% | Added |
| Systematic Financial Management LP | 183,190 | $6.11M | 0.15% | +774+0.4% | Added |
| Asset Management One Co.,Ltd. | 179,996 | $6.01M | 0.02% | −50,432−21.9% | Reduced |
| Raymond James Financial Inc | 179,669 | $6.00M | 0.00% | +1,727+1.0% | Added |
| Moran Wealth Management, LLC | 175,334 | $5.85M | 0.18% | −8,960−4.9% | Reduced |
| Kingdon Capital Management, L.L.C. | 175,000 | $5.84M | 0.92% | −140,000−44.4% | Reduced |
| Erste Asset Management GmbH | 167,700 | $5.64M | 0.05% | +167,700 | New |
| Mirova | 165,280 | $5.52M | 0.78% | +20,451+14.1% | Added |
| OP Asset Management Ltd | 161,510 | $5.39M | 0.07% | −28,096−14.8% | Reduced |
| CenterBook Partners LP | 161,181 | $5.38M | 0.27% | −45,361−22.0% | Reduced |
| Verition Fund Management LLC | 153,904 | $5.14M | 0.03% | −20,298−11.7% | Reduced |
| River Wealth Advisors LLC | 148,907 | $4.97M | 0.58% | +5,336+3.7% | Added |
| MetLife Investment Management | 137,365 | $4.59M | 0.02% | −6,843−4.7% | Reduced |
| Edgestream Partners, L.P. | 135,525 | $4.52M | 0.13% | −173,717−56.2% | Reduced |
| S&T Bank | 134,849 | $4.50M | 1.27% | −14,530−9.7% | Reduced |
| Creative Planning | 132,539 | $4.42M | 0.00% | +6,705+5.3% | Added |
| Alpine Woods Capital Investors, LLC | 131,367 | $4.39M | 1.02% | −19,231−12.8% | Reduced |
| Crossmark Global Holdings, Inc. | 128,172 | $4.28M | 0.06% | +106,947+503.9% | Added |
| Stifel Financial Corp | 127,240 | $4.25M | 0.00% | −1,299−1.0% | Reduced |
| Artemis Investment Management LLP | 127,167 | $4.24M | 0.05% | −619,376−83.0% | Reduced |
| Crown Advisors Management, Inc. | 125,000 | $4.17M | 2.79% | 00.0% | Unchanged |
| HRT Financial LP | 122,350 | $4.08M | 0.02% | −22,473−15.5% | Reduced |
| Amalgamated Bank | 121,385 | $4.05M | 0.03% | −329−0.3% | Reduced |
| Mutual of America Capital Management LLC | 121,357 | $4.05M | 0.04% | −9,685−7.4% | Reduced |
| Advisors Asset Management, Inc. | 119,533 | $3.99M | 0.07% | +5,873+5.2% | Added |
| Treasurer of the State of North Carolina | 118,037 | $3.94M | 0.01% | −6,707−5.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 117,161 | $3.91M | 0.03% | +15,715+15.5% | Added |
| Swiss Life Asset Management Ltd | 115,867 | $3.87M | 0.02% | +5,198+4.7% | Added |
| Penobscot Investment Management Company, Inc. | 115,345 | $3.85M | 0.30% | −6,010−5.0% | Reduced |
| Icon Advisers Inc | 114,000 | $3.81M | 0.83% | 00.0% | Unchanged |
| Capital International Ltd | 112,889 | $3.77M | 0.14% | +112,889 | New |
| Isthmus Partners, LLC | 110,919 | $3.70M | 0.82% | +3,938+3.7% | Added |
| AIA Group Ltd | 108,977 | $3.64M | 0.06% | +16,985+18.5% | Added |
| State of Tennessee, Treasury Department | 108,032 | $3.61M | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 107,470 | $3.59M | 0.00% | −42,546−28.4% | Reduced |
| Kennedy Capital Management, Inc. | 106,038 | $3.54M | 0.08% | −24,751−18.9% | Reduced |
| Union Bancaire Privee, UBP SA | 103,649 | $3.45M | 0.07% | 00.0% | Unchanged |
| Portman Square Capital LLP | 102,325 | $3.42M | 0.45% | +86,356+540.8% | Added |
| Rice Hall James & Associates, LLC | 102,266 | $3.41M | 0.19% | −732−0.7% | Reduced |
| Nisa Investment Advisors, LLC | 101,844 | $3.40M | 0.01% | −28,900−22.1% | Reduced |
| Pathstone Holdings, LLC | 95,627 | $3.19M | 0.01% | +1,180+1.2% | Added |
| SG Americas Securities, LLC | 95,046 | $3.17M | 0.01% | +75,173+378.3% | Added |
| Scholtz & Company, LLC | 93,235 | $3.11M | 1.37% | −17,818−16.0% | Reduced |
| Lazard Asset Management LLC | 93,062 | $3.11M | 0.00% | +93,062 | New |
| First National Bank of Omaha | 91,053 | $3.04M | 0.19% | +18,390+25.3% | Added |
| Zacks Investment Management | 90,803 | $3.03M | 0.02% | −547−0.6% | Reduced |
| Agf Management Ltd | 89,482 | $2.99M | 0.01% | +5,260+6.2% | Added |
| State of New Jersey Common Pension Fund D | 87,129 | $2.91M | 0.01% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 86,835 | $2.90M | 0.00% | −2,497−2.8% | Reduced |
| Public Employees Retirement System of Ohio | 84,387 | $2.82M | 0.01% | −749−0.9% | Reduced |
| Comerica Bank | 84,045 | $2.81M | 0.01% | −6,369−7.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 83,898 | $2.80M | 0.01% | −119,772−58.8% | Reduced |
| Yousif Capital Management, LLC | 83,859 | $2.80M | 0.03% | −6,433−7.1% | Reduced |
| Relyea Zuckerberg Hanson LLC | 82,643 | $2.76M | 0.29% | +5,011+6.5% | Added |
| WCM Investment Management, LLC | 82,016 | $2.76M | 0.01% | +24,673+43.0% | Added |
| SFE Investment Counsel | 81,760 | $2.73M | 0.44% | −96−0.1% | Reduced |
| Zions Bancorporation, National Association | 81,638 | $2.73M | 0.13% | −12,059−12.9% | Reduced |
| VELA Investment Management, LLC | 80,787 | $2.70M | 0.78% | −15,576−16.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 79,425 | $2.65M | 0.02% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 79,148 | $2.64M | 0.02% | +14,579+22.6% | Added |
| D'Orazio & Associates, Inc. | 78,904 | $2.63M | 0.35% | −370−0.5% | Reduced |
| Daiwa Securities Group Inc. | 78,519 | $2.62M | 0.01% | −66,081−45.7% | Reduced |
| Commerce Bank | 77,265 | $2.58M | 0.01% | +341+0.4% | Added |
| Staley Capital Advisers Inc | 76,835 | $2.56M | 0.11% | −1,176−1.5% | Reduced |
| D. E. Shaw & Co., Inc. | 76,725 | $2.56M | 0.00% | +47,350+161.2% | Added |
| Catalyst Capital Advisors LLC | 75,660 | $2.53M | 0.05% | 00.0% | Unchanged |
| Ieq Capital, LLC | 75,222 | $2.51M | 0.01% | +75,222 | New |
| Brasada Capital Management, LP | 73,660 | $2.48M | 0.42% | +671+0.9% | Added |
| Arizona State Retirement System | 74,045 | $2.47M | 0.01% | −230−0.3% | Reduced |