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 2021
Institutional positions in Tetra Tech Inc as of Jun 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
- 366
- +3 vs. Q1 2021
- Shares held
- 46.6M
- −505.4K (−1.1%) vs. Q1 2021
- Total value
- $5.68B
- −$701.4M (−11.0%) vs. Q1 2021
- New holders
- 50
- 126 more added
- Sold out
- 47
- 134 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 13,071 | $1.59M | 0.02% | +5,790+79.5% | Added |
| Susquehanna International Group, LLP | 13,171 | $1.61M | 0.00% | +13,171 | New |
| Aptus Capital Advisors, LLC | 13,348 | $1.63M | 0.07% | +2,002+17.6% | Added |
| Two Sigma Investments, LP | 13,441 | $1.64M | 0.00% | +13,441 | New |
| State of Michigan Retirement System | 13,645 | $1.67M | 0.01% | −6,400−31.9% | Reduced |
| Louisiana State Employees Retirement System | 14,000 | $1.71M | 0.04% | −100−0.7% | Reduced |
| Lapides Asset Management, LLC | 14,600 | $1.78M | 0.71% | 00.0% | Unchanged |
| Arizona State Retirement System | 14,741 | $1.80M | 0.01% | −914−5.8% | Reduced |
| Staley Capital Advisers Inc | 15,000 | $1.83M | 0.10% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 15,000 | $1.83M | 0.02% | 00.0% | Unchanged |
| Isthmus Partners, LLC | 15,241 | $1.86M | 0.33% | +253+1.7% | Added |
| First Republic Investment Management, Inc. | 15,609 | $1.91M | 0.00% | +6,287+67.4% | Added |
| Advisor Group Holdings, Inc. | 16,115 | $1.98M | 0.00% | +916+6.0% | Added |
| Renaissance Technologies LLC | 16,220 | $1.98M | 0.00% | +16,220 | New |
| Quadrature Capital Ltd | 16,245 | $1.98M | 0.08% | +16,245 | New |
| AtonRa Partners | 16,859 | $2.06M | 0.75% | +9,573+131.4% | Added |
| Granahan Investment Management Inc | 16,875 | $2.06M | 0.04% | −19,846−54.0% | Reduced |
| Alpine Woods Capital Investors, LLC | 17,015 | $2.08M | 0.22% | 00.0% | Unchanged |
| Van Eck Associates Corp | 17,447 | $2.13M | 0.01% | +5,497+46.0% | Added |
| Raymond James & Associates | 18,006 | $2.20M | 0.00% | +8,416+87.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,043 | $2.20M | 0.02% | −48−0.3% | Reduced |
| ProShare Advisors LLC | 18,459 | $2.25M | 0.01% | −359−1.9% | Reduced |
| Oregon Public Employees Retirement Fund | 18,491 | $2.26M | 0.03% | +633+3.5% | Added |
| Ameritas Investment Partners, Inc. | 18,868 | $2.30M | 0.08% | −445−2.3% | Reduced |
| Bristlecone Advisors, LLC | 19,102 | $2.33M | 0.32% | +4,647+32.1% | Added |
| Lazard Asset Management LLC | 19,684 | $2.40M | 0.00% | +10,034+104.0% | Added |
| State Board of Administration of Florida Retirement System | 20,047 | $2.45M | 0.00% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 20,298 | $2.48M | 0.03% | +1,277+6.7% | Added |
| SG Capital Management LLC | 20,696 | $2.53M | 0.71% | +20,696 | New |
| BNP Paribas Arbitrage, SA | 20,994 | $2.56M | 0.00% | +2,169+11.5% | Added |
| NFJ Investment Group, LLC | 21,072 | $2.57M | 0.05% | +5,834+38.3% | Added |
| Formula Growth Ltd | 21,300 | $2.60M | 0.36% | −6,200−22.5% | Reduced |
| Great West Life Assurance Co | 21,441 | $2.62M | 0.01% | +112+0.5% | Added |
| Teachers Retirement System of the State of Kentucky | 21,833 | $2.67M | 0.02% | −1,083−4.7% | Reduced |
| Stifel Financial Corp | 22,485 | $2.75M | 0.00% | +994+4.6% | Added |
| Autonomy Capital (Jersey) L.P. | 22,678 | $2.77M | 2.45% | +22,678 | New |
| Metropolitan Life Insurance Co | 23,625 | $2.88M | 0.04% | +182+0.8% | Added |
| AQR Capital Management LLC | 24,390 | $2.96M | 0.01% | +10,174+71.6% | Added |
| Susquehanna Fundamental Investments, LLC | 24,577 | $3.00M | 0.05% | −10,673−30.3% | Reduced |
| Duality Advisers, LP | 24,642 | $3.01M | 0.27% | +24,642 | New |
| Kennedy Capital Management, Inc. | 25,042 | $3.06M | 0.07% | −1,096−4.2% | Reduced |
| Two Sigma Advisers, LP | 25,800 | $3.15M | 0.01% | −3,700−12.5% | Reduced |
| Voya Investment Management LLC | 25,952 | $3.17M | 0.01% | −25,051−49.1% | Reduced |
| Catalyst Capital Advisors LLC | 26,305 | $3.21M | 0.16% | 00.0% | Unchanged |
| Ashfield Capital Partners, LLC | 26,985 | $3.29M | 0.23% | −1,314−4.6% | Reduced |
| South Dakota Investment Council | 27,074 | $3.30M | 0.06% | −3,370−11.1% | Reduced |
| Rice Hall James & Associates, LLC | 27,229 | $3.32M | 0.12% | −8,960−24.8% | Reduced |
| Nisa Investment Advisors, LLC | 27,635 | $3.37M | 0.02% | 00.0% | Unchanged |
| HRT Financial LP | 27,859 | $3.40M | 0.03% | +27,859 | New |
| Edgestream Partners, L.P. | 28,040 | $3.42M | 0.20% | +28,040 | New |
| SG Americas Securities, LLC | 29,613 | $3.61M | 0.02% | +3,767+14.6% | Added |
| Bridge City Capital, LLC | 29,959 | $3.66M | 1.25% | −1,023−3.3% | Reduced |
| State of New Jersey Common Pension Fund D | 30,229 | $3.69M | 0.01% | −4,490−12.9% | Reduced |
| Man Group plc | 30,588 | $3.73M | 0.01% | +23,544+334.2% | Added |
| PDT Partners, LLC | 31,700 | $3.87M | 0.26% | +200+0.6% | Added |
| Thrivent Financial for Lutherans | 32,077 | $3.92M | 0.01% | −31−0.1% | Reduced |
| UBS Group AG | 32,390 | $3.95M | 0.00% | −21,699−40.1% | Reduced |
| Comerica Bank | 31,265 | $4.19M | 0.03% | −536−1.7% | Reduced |
| Fisher Asset Management, LLC | 36,205 | $4.42M | 0.00% | +8,415+30.3% | Added |
| Crown Advisors Management, Inc. | 40,000 | $4.88M | 3.49% | 00.0% | Unchanged |
| Texas Permanent School Fund | 40,361 | $4.93M | 0.06% | −153−0.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 41,029 | $5.01M | 0.02% | +41,029 | New |
| Barclays PLC | 41,278 | $5.04M | 0.00% | −4,570−10.0% | Reduced |
| Amalgamated Bank | 42,460 | $5.18M | 0.04% | +34,318+421.5% | Added |
| Ensign Peak Advisors, Inc | 42,491 | $5.19M | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 42,708 | $5.21M | 0.08% | +4,936+13.1% | Added |
| LPL Financial LLC | 45,634 | $5.57M | 0.01% | +5,604+14.0% | Added |
| MetLife Investment Management | 46,194 | $5.64M | 0.05% | −2,072−4.3% | Reduced |
| Running Oak Capital LLC | 47,210 | $5.76M | 3.19% | +780+1.7% | Added |
| Marks Group Wealth Management, Inc | 47,585 | $5.81M | 0.80% | +3,224+7.3% | Added |
| McKinley Capital Management LLC /Delaware | 48,422 | $5.91M | 0.41% | +15,689+47.9% | Added |
| Voloridge Investment Management, LLC | 51,581 | $6.29M | 0.04% | +48,760+1,728.5% | Added |
| UBS Asset Management Americas Inc | 51,637 | $6.30M | 0.00% | −40,449−43.9% | Reduced |
| AXA S.A. | 53,746 | $6.56M | 0.02% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 54,919 | $6.70M | 0.02% | +14,498+35.9% | Added |
| Prudential Financial Inc | 55,358 | $6.76M | 0.01% | −20,856−27.4% | Reduced |
| Sandler Capital Management | 58,421 | $7.13M | 0.63% | −21,753−27.1% | Reduced |
| GHP Investment Advisors, Inc. | 58,540 | $7.14M | 0.58% | −49,704−45.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 60,200 | $7.35M | 0.01% | +43,100+252.0% | Added |
| Envestnet Asset Management Inc | 62,196 | $7.59M | 0.00% | +4,600+8.0% | Added |
| Renaissance Investment Group LLC | 62,462 | $7.62M | 1.95% | +895+1.5% | Added |
| DekaBank Deutsche Girozentrale | 65,000 | $7.69M | 0.02% | +25,000+62.5% | Added |
| Bahl & Gaynor Inc | 65,436 | $7.99M | 0.05% | −3,986−5.7% | Reduced |
| Marshall Wace, LLP | 66,266 | $8.09M | 0.04% | +64,005+2,830.8% | Added |
| HighTower Advisors, LLC | 66,839 | $8.18M | 0.02% | +32,794+96.3% | Added |
| Credit Suisse AG | 67,663 | $8.26M | 0.01% | −82,169−54.8% | Reduced |
| Millennium Management LLC | 68,379 | $8.35M | 0.01% | +36,732+116.1% | Added |
| New York State Teachers Retirement System | 68,977 | $8.42M | 0.02% | −9,046−11.6% | Reduced |
| Zacks Investment Management | 69,623 | $8.50M | 0.14% | +260+0.4% | Added |
| Russell Investments Group, Ltd. | 69,689 | $8.50M | 0.01% | +16,510+31.0% | Added |
| Retirement Systems of Alabama | 70,559 | $8.61M | 0.03% | −222−0.3% | Reduced |
| Legal & General Group Plc | 72,803 | $8.88M | 0.00% | −15,383−17.4% | Reduced |
| California State Teachers Retirement System | 74,337 | $9.07M | 0.01% | −7,058−8.7% | Reduced |
| Citadel Advisors LLC | 75,072 | $9.16M | 0.01% | +59,037+368.2% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 75,229 | $9.18M | 0.81% | −9,557−11.3% | Reduced |
| Franklin Resources Inc | 75,514 | $9.21M | 0.00% | −11,942−13.7% | Reduced |
| New York State Common Retirement Fund | 76,601 | $9.35M | 0.01% | −22,764−22.9% | Reduced |
| S&T Bank | 80,321 | $9.80M | 1.52% | +235+0.3% | Added |
| Segall Bryant & Hamill, LLC | 83,119 | $10.1M | 0.10% | +3,268+4.1% | Added |
| Intrinsic Edge Capital Management LLC | 87,110 | $10.6M | 0.64% | +87,110 | New |