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 2021
Institutional positions in Tetra Tech Inc as of Sep 30, 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
- 359
- −2 vs. Q2 2021
- Shares held
- 47.5M
- +3.81M (+8.7%) vs. Q2 2021
- Total value
- $7.08B
- +$1.74B (+32.6%) vs. Q2 2021
- New holders
- 35
- 118 more added
- Sold out
- 37
- 133 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prospera Financial Services Inc | 11,341 | $1.69M | 0.08% | +11,341 | New |
| Aviva PLC | 11,484 | $1.72M | 0.01% | +11,484 | New |
| Cna Financial Corp | 11,600 | $1.73M | 0.47% | +730+6.7% | Added |
| Lapides Asset Management, LLC | 13,300 | $1.99M | 0.82% | −1,300−8.9% | Reduced |
| State of Michigan Retirement System | 13,545 | $2.02M | 0.01% | −100−0.7% | Reduced |
| Louisiana State Employees Retirement System | 13,800 | $2.06M | 0.05% | −200−1.4% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 14,100 | $2.11M | 0.01% | +14,100 | New |
| Arizona State Retirement System | 14,753 | $2.20M | 0.02% | +12+0.1% | Added |
| Staley Capital Advisers Inc | 15,000 | $2.24M | 0.12% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 15,000 | $2.24M | 0.03% | 00.0% | Unchanged |
| Isthmus Partners, LLC | 15,209 | $2.27M | 0.41% | −32−0.2% | Reduced |
| Van Eck Associates Corp | 15,724 | $2.35M | 0.01% | −1,723−9.9% | Reduced |
| Aptus Capital Advisors, LLC | 16,260 | $2.43M | 0.10% | +2,912+21.8% | Added |
| Brinker Capital Investments, LLC | 20,298 | $2.48M | 0.04% | 00.0% | Unchanged |
| AQR Capital Management LLC | 16,645 | $2.49M | 0.00% | −7,745−31.8% | Reduced |
| Advisor Group Holdings, Inc. | 16,584 | $2.49M | 0.01% | +469+2.9% | Added |
| BNP Paribas Arbitrage, SA | 16,902 | $2.52M | 0.01% | −4,092−19.5% | Reduced |
| Alpine Woods Capital Investors, LLC | 17,015 | $2.54M | 0.27% | 00.0% | Unchanged |
| Natixis | 17,161 | $2.56M | 0.01% | +17,161 | New |
| Citigroup Inc | 17,468 | $2.61M | 0.00% | +6,868+64.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 17,864 | $2.67M | 0.03% | −179−1.0% | Reduced |
| Oregon Public Employees Retirement Fund | 18,250 | $2.73M | 0.03% | −241−1.3% | Reduced |
| Ameritas Investment Partners, Inc. | 18,533 | $2.77M | 0.10% | −335−1.8% | Reduced |
| AtonRa Partners | 18,576 | $2.77M | 0.93% | +1,717+10.2% | Added |
| Martingale Asset Management L P | 18,777 | $2.81M | 0.04% | +10,161+117.9% | Added |
| Bristlecone Advisors, LLC | 19,142 | $2.86M | 0.37% | +40+0.2% | Added |
| First Republic Investment Management, Inc. | 19,507 | $2.91M | 0.01% | +3,898+25.0% | Added |
| Raymond James & Associates | 19,920 | $2.98M | 0.00% | +1,914+10.6% | Added |
| State Board of Administration of Florida Retirement System | 20,047 | $2.99M | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 20,331 | $3.04M | 0.02% | −7,528−27.0% | Reduced |
| Formula Growth Ltd | 21,300 | $3.18M | 0.46% | 00.0% | Unchanged |
| Autonomy Capital (Jersey) L.P. | 21,429 | $3.20M | 3.44% | −1,249−5.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 21,833 | $3.26M | 0.03% | 00.0% | Unchanged |
| Calamos Advisors LLC | 21,893 | $3.27M | 0.02% | +21,893 | New |
| NFJ Investment Group, LLC | 22,004 | $3.29M | 0.06% | +932+4.4% | Added |
| Stifel Financial Corp | 22,861 | $3.41M | 0.01% | +376+1.7% | Added |
| Metropolitan Life Insurance Co | 22,899 | $3.42M | 0.05% | −726−3.1% | Reduced |
| Private Advisor Group, LLC | 22,911 | $3.42M | 0.02% | +13,037+132.0% | Added |
| Bridge City Capital, LLC | 23,634 | $3.53M | 1.60% | −6,325−21.1% | Reduced |
| Two Sigma Advisers, LP | 24,600 | $3.67M | 0.01% | −1,200−4.7% | Reduced |
| Kennedy Capital Management, Inc. | 25,329 | $3.78M | 0.08% | +287+1.1% | Added |
| Voya Investment Management LLC | 25,373 | $3.79M | 0.01% | −579−2.2% | Reduced |
| Great West Life Assurance Co | 25,738 | $3.87M | 0.01% | +4,297+20.0% | Added |
| Catalyst Capital Advisors LLC | 26,305 | $3.93M | 0.20% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 26,678 | $3.98M | 0.09% | +15,630+141.5% | Added |
| Ashfield Capital Partners, LLC | 26,917 | $4.02M | 0.29% | −68−0.3% | Reduced |
| Rice Hall James & Associates, LLC | 26,959 | $4.03M | 0.15% | −270−1.0% | Reduced |
| South Dakota Investment Council | 27,074 | $4.04M | 0.07% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 27,635 | $4.13M | 0.03% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 29,020 | $4.33M | 0.01% | −1,209−4.0% | Reduced |
| Comerica Bank | 26,091 | $4.34M | 0.03% | −5,174−16.5% | Reduced |
| Edgestream Partners, L.P. | 29,051 | $4.34M | 0.27% | +1,011+3.6% | Added |
| Susquehanna Fundamental Investments, LLC | 29,970 | $4.48M | 0.08% | +5,393+21.9% | Added |
| PDT Partners, LLC | 31,500 | $4.70M | 0.34% | −200−0.6% | Reduced |
| Thrivent Financial for Lutherans | 31,739 | $4.74M | 0.01% | −338−1.1% | Reduced |
| UBS Group AG | 32,127 | $4.80M | 0.00% | −263−0.8% | Reduced |
| Man Group plc | 33,930 | $5.07M | 0.02% | +3,342+10.9% | Added |
| Prudential Financial Inc | 36,552 | $5.45M | 0.01% | −18,806−34.0% | Reduced |
| Amalgamated Bank | 38,350 | $5.73M | 0.05% | −4,110−9.7% | Reduced |
| Texas Permanent School Fund | 39,998 | $5.97M | 0.07% | −363−0.9% | Reduced |
| Crown Advisors Management, Inc. | 40,000 | $5.97M | 4.20% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 40,832 | $6.10M | 0.00% | +4,627+12.8% | Added |
| Ensign Peak Advisors, Inc | 42,491 | $6.35M | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 44,107 | $6.59M | 0.10% | +1,399+3.3% | Added |
| MetLife Investment Management | 44,550 | $6.65M | 0.06% | −1,644−3.6% | Reduced |
| Marks Group Wealth Management, Inc | 46,825 | $7.00M | 0.95% | −760−1.6% | Reduced |
| McKinley Capital Management LLC /Delaware | 47,813 | $7.14M | 0.67% | −609−1.3% | Reduced |
| LPL Financial LLC | 51,116 | $7.63M | 0.01% | +5,482+12.0% | Added |
| Barclays PLC | 51,699 | $7.72M | 0.01% | +10,421+25.2% | Added |
| UBS Asset Management Americas Inc | 51,909 | $7.75M | 0.00% | +272+0.5% | Added |
| AXA S.A. | 53,746 | $8.03M | 0.02% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 54,906 | $8.20M | 0.03% | −130.0% | Reduced |
| Sandler Capital Management | 55,631 | $8.31M | 0.96% | −2,790−4.8% | Reduced |
| GHP Investment Advisors, Inc. | 56,264 | $8.40M | 0.67% | −2,276−3.9% | Reduced |
| New York State Common Retirement Fund | 62,687 | $9.36M | 0.01% | −13,914−18.2% | Reduced |
| Renaissance Investment Group LLC | 63,667 | $9.51M | 2.42% | +1,205+1.9% | Added |
| Envestnet Asset Management Inc | 64,727 | $9.67M | 0.01% | +2,531+4.1% | Added |
| Bahl & Gaynor Inc | 65,641 | $9.80M | 0.06% | +205+0.3% | Added |
| New York State Teachers Retirement System | 68,958 | $10.3M | 0.02% | −190.0% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 69,257 | $10.3M | 1.04% | −5,972−7.9% | Reduced |
| Retirement Systems of Alabama | 70,012 | $10.5M | 0.04% | −547−0.8% | Reduced |
| Zacks Investment Management | 70,606 | $10.5M | 0.17% | +983+1.4% | Added |
| Credit Suisse AG | 72,483 | $10.8M | 0.01% | +4,820+7.1% | Added |
| California State Teachers Retirement System | 73,465 | $11.0M | 0.01% | −872−1.2% | Reduced |
| Franklin Resources Inc | 75,865 | $11.3M | 0.00% | +351+0.5% | Added |
| Russell Investments Group, Ltd. | 76,819 | $11.5M | 0.02% | +7,130+10.2% | Added |
| S&T Bank | 78,424 | $11.7M | 1.81% | −1,897−2.4% | Reduced |
| Segall Bryant & Hamill, LLC | 81,878 | $12.2M | 0.12% | −1,241−1.5% | Reduced |
| Sarasin & Partners LLP | 84,844 | $12.7M | 0.13% | +84,844 | New |
| HighTower Advisors, LLC | 86,824 | $13.0M | 0.03% | +19,985+29.9% | Added |
| Mutual of America Capital Management LLC | 87,003 | $13.0M | 0.13% | −1,457−1.6% | Reduced |
| Manufacturers Life Insurance Company, The | 88,494 | $13.2M | 0.01% | +178+0.2% | Added |
| Millennium Management LLC | 90,332 | $13.5M | 0.02% | +21,953+32.1% | Added |
| WCM Investment Management, LLC | 102,919 | $15.4M | 0.04% | +660+0.6% | Added |
| Trillium Asset Management, LLC | 103,311 | $15.4M | 0.41% | +6,120+6.3% | Added |
| Ameriprise Financial Inc | 106,072 | $15.9M | 0.01% | −32,727−23.6% | Reduced |
| Winslow Asset Management Inc | 109,636 | $16.4M | 3.16% | −1,740−1.6% | Reduced |
| Agf Investments Inc. | 111,434 | $16.6M | 0.13% | +18,880+20.4% | Added |
| Systematic Financial Management LP | 118,163 | $17.6M | 0.55% | −5,927−4.8% | Reduced |
| Swiss National Bank | 119,700 | $17.9M | 0.01% | +200+0.2% | Added |