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 |
|---|---|---|---|---|---|
| Ensign Peak Advisors, Inc | 42,491 | $5.19M | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 42,460 | $5.18M | 0.04% | +34,318+421.5% | Added |
| Barclays PLC | 41,278 | $5.04M | 0.00% | −4,570−10.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 41,029 | $5.01M | 0.02% | +41,029 | New |
| Texas Permanent School Fund | 40,361 | $4.93M | 0.06% | −153−0.4% | Reduced |
| Crown Advisors Management, Inc. | 40,000 | $4.88M | 3.49% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 36,205 | $4.42M | 0.00% | +8,415+30.3% | Added |
| Comerica Bank | 31,265 | $4.19M | 0.03% | −536−1.7% | Reduced |
| UBS Group AG | 32,390 | $3.95M | 0.00% | −21,699−40.1% | Reduced |
| Thrivent Financial for Lutherans | 32,077 | $3.92M | 0.01% | −31−0.1% | Reduced |
| PDT Partners, LLC | 31,700 | $3.87M | 0.26% | +200+0.6% | Added |
| Man Group plc | 30,588 | $3.73M | 0.01% | +23,544+334.2% | Added |
| State of New Jersey Common Pension Fund D | 30,229 | $3.69M | 0.01% | −4,490−12.9% | Reduced |
| Bridge City Capital, LLC | 29,959 | $3.66M | 1.25% | −1,023−3.3% | Reduced |
| SG Americas Securities, LLC | 29,613 | $3.61M | 0.02% | +3,767+14.6% | Added |
| Edgestream Partners, L.P. | 28,040 | $3.42M | 0.20% | +28,040 | New |
| HRT Financial LP | 27,859 | $3.40M | 0.03% | +27,859 | New |
| Nisa Investment Advisors, LLC | 27,635 | $3.37M | 0.02% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 27,229 | $3.32M | 0.12% | −8,960−24.8% | Reduced |
| South Dakota Investment Council | 27,074 | $3.30M | 0.06% | −3,370−11.1% | Reduced |
| Ashfield Capital Partners, LLC | 26,985 | $3.29M | 0.23% | −1,314−4.6% | Reduced |
| Catalyst Capital Advisors LLC | 26,305 | $3.21M | 0.16% | 00.0% | Unchanged |
| Voya Investment Management LLC | 25,952 | $3.17M | 0.01% | −25,051−49.1% | Reduced |
| Two Sigma Advisers, LP | 25,800 | $3.15M | 0.01% | −3,700−12.5% | Reduced |
| Kennedy Capital Management, Inc. | 25,042 | $3.06M | 0.07% | −1,096−4.2% | Reduced |
| Duality Advisers, LP | 24,642 | $3.01M | 0.27% | +24,642 | New |
| Susquehanna Fundamental Investments, LLC | 24,577 | $3.00M | 0.05% | −10,673−30.3% | Reduced |
| AQR Capital Management LLC | 24,390 | $2.96M | 0.01% | +10,174+71.6% | Added |
| Metropolitan Life Insurance Co | 23,625 | $2.88M | 0.04% | +182+0.8% | Added |
| Autonomy Capital (Jersey) L.P. | 22,678 | $2.77M | 2.45% | +22,678 | New |
| Stifel Financial Corp | 22,485 | $2.75M | 0.00% | +994+4.6% | Added |
| Teachers Retirement System of the State of Kentucky | 21,833 | $2.67M | 0.02% | −1,083−4.7% | Reduced |
| Great West Life Assurance Co | 21,441 | $2.62M | 0.01% | +112+0.5% | Added |
| Formula Growth Ltd | 21,300 | $2.60M | 0.36% | −6,200−22.5% | Reduced |
| NFJ Investment Group, LLC | 21,072 | $2.57M | 0.05% | +5,834+38.3% | Added |
| BNP Paribas Arbitrage, SA | 20,994 | $2.56M | 0.00% | +2,169+11.5% | Added |
| SG Capital Management LLC | 20,696 | $2.53M | 0.71% | +20,696 | New |
| Brinker Capital Investments, LLC | 20,298 | $2.48M | 0.03% | +1,277+6.7% | Added |
| State Board of Administration of Florida Retirement System | 20,047 | $2.45M | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 19,684 | $2.40M | 0.00% | +10,034+104.0% | Added |
| Bristlecone Advisors, LLC | 19,102 | $2.33M | 0.32% | +4,647+32.1% | Added |
| Ameritas Investment Partners, Inc. | 18,868 | $2.30M | 0.08% | −445−2.3% | Reduced |
| Oregon Public Employees Retirement Fund | 18,491 | $2.26M | 0.03% | +633+3.5% | Added |
| ProShare Advisors LLC | 18,459 | $2.25M | 0.01% | −359−1.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,043 | $2.20M | 0.02% | −48−0.3% | Reduced |
| Raymond James & Associates | 18,006 | $2.20M | 0.00% | +8,416+87.8% | Added |
| Van Eck Associates Corp | 17,447 | $2.13M | 0.01% | +5,497+46.0% | Added |
| Alpine Woods Capital Investors, LLC | 17,015 | $2.08M | 0.22% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 16,875 | $2.06M | 0.04% | −19,846−54.0% | Reduced |
| AtonRa Partners | 16,859 | $2.06M | 0.75% | +9,573+131.4% | Added |
| Quadrature Capital Ltd | 16,245 | $1.98M | 0.08% | +16,245 | New |
| Renaissance Technologies LLC | 16,220 | $1.98M | 0.00% | +16,220 | New |
| Advisor Group Holdings, Inc. | 16,115 | $1.98M | 0.00% | +916+6.0% | Added |
| First Republic Investment Management, Inc. | 15,609 | $1.91M | 0.00% | +6,287+67.4% | Added |
| Isthmus Partners, LLC | 15,241 | $1.86M | 0.33% | +253+1.7% | Added |
| 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 |
| Arizona State Retirement System | 14,741 | $1.80M | 0.01% | −914−5.8% | Reduced |
| Lapides Asset Management, LLC | 14,600 | $1.78M | 0.71% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 14,000 | $1.71M | 0.04% | −100−0.7% | Reduced |
| State of Michigan Retirement System | 13,645 | $1.67M | 0.01% | −6,400−31.9% | Reduced |
| Two Sigma Investments, LP | 13,441 | $1.64M | 0.00% | +13,441 | New |
| Aptus Capital Advisors, LLC | 13,348 | $1.63M | 0.07% | +2,002+17.6% | Added |
| Susquehanna International Group, LLP | 13,171 | $1.61M | 0.00% | +13,171 | New |
| Cubist Systematic Strategies, LLC | 13,071 | $1.59M | 0.02% | +5,790+79.5% | Added |
| Ergoteles LLC | 12,800 | $1.56M | 0.04% | +12,800 | New |
| Federated Hermes, Inc. | 11,949 | $1.46M | 0.00% | −360,175−96.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 11,746 | $1.43M | 0.03% | +889+8.2% | Added |
| Amundi | 11,499 | $1.40M | 0.00% | +11,499 | New |
| New Mexico Educational Retirement Board | 11,200 | $1.37M | 0.05% | +1,800+19.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,048 | $1.35M | 0.03% | +11,048 | New |
| Cna Financial Corp | 10,870 | $1.33M | 0.38% | −190−1.7% | Reduced |
| Citigroup Inc | 10,600 | $1.29M | 0.00% | +632+6.3% | Added |
| STRS Ohio | 10,600 | $1.29M | 0.00% | −7,500−41.4% | Reduced |
| First National Bank of Omaha | 9,172 | $1.25M | 0.06% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 10,000 | $1.22M | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 9,882 | $1.21M | 0.01% | +9,882 | New |
| Shell Asset Management Co | 9,870 | $1.21M | 0.02% | −3,610−26.8% | Reduced |
| Private Advisor Group, LLC | 9,874 | $1.21M | 0.01% | +2,808+39.7% | Added |
| Ontario Teachers Pension Plan Board | 9,828 | $1.20M | 0.02% | +4,245+76.0% | Added |
| Jane Street Group, LLC | 9,616 | $1.17M | 0.00% | +728+8.2% | Added |
| Vident Investment Advisory, LLC | 9,256 | $1.13M | 0.03% | +1,859+25.1% | Added |
| Tortoise Index Solutions, LLC | 9,256 | $1.13M | 0.24% | +1,859+25.1% | Added |
| Handelsbanken Fonder AB | 9,209 | $1.12M | 0.01% | −1,100−10.7% | Reduced |
| Xponance, Inc. | 9,110 | $1.11M | 0.02% | +2,575+39.4% | Added |
| Artemis Investment Management LLP | 9,065 | $1.11M | 0.01% | +9,065 | New |
| Northwestern Mutual Investment Management Company, LLC | 9,020 | $1.10M | 0.02% | −25−0.3% | Reduced |
| Magnetar Financial LLC | 8,749 | $1.07M | 0.01% | +6,802+349.4% | Added |
| SFE Investment Counsel | 8,725 | $1.06M | 0.29% | −368−4.0% | Reduced |
| Sawtooth Solutions, LLC | 8,709 | $1.06M | 0.21% | +2,483+39.9% | Added |
| Martingale Asset Management L P | 8,616 | $1.05M | 0.01% | −207−2.3% | Reduced |
| Qube Research & Technologies Ltd | 8,558 | $1.04M | 0.01% | +5,973+231.1% | Added |
| State of Tennessee, Treasury Department | 8,545 | $1.04M | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 7,682 | $1.03M | 0.00% | −2,763−26.5% | Reduced |
| State of Alaska, Department of Revenue | 8,411 | $1.03M | 0.01% | −85−1.0% | Reduced |
| Los Angeles Capital Management LLC | 7,986 | $975.0K | 0.00% | −3,400−29.9% | Reduced |
| Manchester Capital Management LLC | 7,906 | $965.0K | 0.13% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 7,845 | $958.0K | 0.00% | +132+1.7% | Added |
| Public Employees Retirement Association of Colorado | 7,833 | $956.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 7,680 | $937.0K | 0.00% | −3,820−33.2% | Reduced |