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 |
|---|---|---|---|---|---|
| Amalgamated Bank | 38,350 | $5.73M | 0.05% | −4,110−9.7% | Reduced |
| Prudential Financial Inc | 36,552 | $5.45M | 0.01% | −18,806−34.0% | Reduced |
| Man Group plc | 33,930 | $5.07M | 0.02% | +3,342+10.9% | Added |
| UBS Group AG | 32,127 | $4.80M | 0.00% | −263−0.8% | Reduced |
| Thrivent Financial for Lutherans | 31,739 | $4.74M | 0.01% | −338−1.1% | Reduced |
| PDT Partners, LLC | 31,500 | $4.70M | 0.34% | −200−0.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 29,970 | $4.48M | 0.08% | +5,393+21.9% | Added |
| Edgestream Partners, L.P. | 29,051 | $4.34M | 0.27% | +1,011+3.6% | Added |
| Comerica Bank | 26,091 | $4.34M | 0.03% | −5,174−16.5% | Reduced |
| State of New Jersey Common Pension Fund D | 29,020 | $4.33M | 0.01% | −1,209−4.0% | Reduced |
| Nisa Investment Advisors, LLC | 27,635 | $4.13M | 0.03% | 00.0% | Unchanged |
| South Dakota Investment Council | 27,074 | $4.04M | 0.07% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 26,959 | $4.03M | 0.15% | −270−1.0% | Reduced |
| Ashfield Capital Partners, LLC | 26,917 | $4.02M | 0.29% | −68−0.3% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 26,678 | $3.98M | 0.09% | +15,630+141.5% | Added |
| Catalyst Capital Advisors LLC | 26,305 | $3.93M | 0.20% | 00.0% | Unchanged |
| Great West Life Assurance Co | 25,738 | $3.87M | 0.01% | +4,297+20.0% | Added |
| Voya Investment Management LLC | 25,373 | $3.79M | 0.01% | −579−2.2% | Reduced |
| Kennedy Capital Management, Inc. | 25,329 | $3.78M | 0.08% | +287+1.1% | Added |
| Two Sigma Advisers, LP | 24,600 | $3.67M | 0.01% | −1,200−4.7% | Reduced |
| Bridge City Capital, LLC | 23,634 | $3.53M | 1.60% | −6,325−21.1% | Reduced |
| Private Advisor Group, LLC | 22,911 | $3.42M | 0.02% | +13,037+132.0% | Added |
| Metropolitan Life Insurance Co | 22,899 | $3.42M | 0.05% | −726−3.1% | Reduced |
| Stifel Financial Corp | 22,861 | $3.41M | 0.01% | +376+1.7% | Added |
| NFJ Investment Group, LLC | 22,004 | $3.29M | 0.06% | +932+4.4% | Added |
| Calamos Advisors LLC | 21,893 | $3.27M | 0.02% | +21,893 | New |
| Teachers Retirement System of the State of Kentucky | 21,833 | $3.26M | 0.03% | 00.0% | Unchanged |
| Autonomy Capital (Jersey) L.P. | 21,429 | $3.20M | 3.44% | −1,249−5.5% | Reduced |
| Formula Growth Ltd | 21,300 | $3.18M | 0.46% | 00.0% | Unchanged |
| HRT Financial LP | 20,331 | $3.04M | 0.02% | −7,528−27.0% | Reduced |
| State Board of Administration of Florida Retirement System | 20,047 | $2.99M | 0.01% | 00.0% | Unchanged |
| Raymond James & Associates | 19,920 | $2.98M | 0.00% | +1,914+10.6% | Added |
| First Republic Investment Management, Inc. | 19,507 | $2.91M | 0.01% | +3,898+25.0% | Added |
| Bristlecone Advisors, LLC | 19,142 | $2.86M | 0.37% | +40+0.2% | Added |
| Martingale Asset Management L P | 18,777 | $2.81M | 0.04% | +10,161+117.9% | Added |
| AtonRa Partners | 18,576 | $2.77M | 0.93% | +1,717+10.2% | Added |
| Ameritas Investment Partners, Inc. | 18,533 | $2.77M | 0.10% | −335−1.8% | Reduced |
| Oregon Public Employees Retirement Fund | 18,250 | $2.73M | 0.03% | −241−1.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 17,864 | $2.67M | 0.03% | −179−1.0% | Reduced |
| Citigroup Inc | 17,468 | $2.61M | 0.00% | +6,868+64.8% | Added |
| Natixis | 17,161 | $2.56M | 0.01% | +17,161 | New |
| Alpine Woods Capital Investors, LLC | 17,015 | $2.54M | 0.27% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 16,902 | $2.52M | 0.01% | −4,092−19.5% | Reduced |
| Advisor Group Holdings, Inc. | 16,584 | $2.49M | 0.01% | +469+2.9% | Added |
| AQR Capital Management LLC | 16,645 | $2.49M | 0.00% | −7,745−31.8% | Reduced |
| Brinker Capital Investments, LLC | 20,298 | $2.48M | 0.04% | 00.0% | Unchanged |
| Aptus Capital Advisors, LLC | 16,260 | $2.43M | 0.10% | +2,912+21.8% | Added |
| Van Eck Associates Corp | 15,724 | $2.35M | 0.01% | −1,723−9.9% | Reduced |
| Isthmus Partners, LLC | 15,209 | $2.27M | 0.41% | −32−0.2% | Reduced |
| 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 |
| Arizona State Retirement System | 14,753 | $2.20M | 0.02% | +12+0.1% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 14,100 | $2.11M | 0.01% | +14,100 | New |
| Louisiana State Employees Retirement System | 13,800 | $2.06M | 0.05% | −200−1.4% | Reduced |
| State of Michigan Retirement System | 13,545 | $2.02M | 0.01% | −100−0.7% | Reduced |
| Lapides Asset Management, LLC | 13,300 | $1.99M | 0.82% | −1,300−8.9% | Reduced |
| Cna Financial Corp | 11,600 | $1.73M | 0.47% | +730+6.7% | Added |
| Aviva PLC | 11,484 | $1.72M | 0.01% | +11,484 | New |
| Prospera Financial Services Inc | 11,341 | $1.69M | 0.08% | +11,341 | New |
| New Mexico Educational Retirement Board | 11,200 | $1.67M | 0.06% | 00.0% | Unchanged |
| Cordatus Wealth Management LLC | 11,121 | $1.66M | 1.28% | +11,121 | New |
| Federated Hermes, Inc. | 11,059 | $1.65M | 0.00% | −890−7.4% | Reduced |
| Vident Investment Advisory, LLC | 10,946 | $1.64M | 0.05% | +1,690+18.3% | Added |
| Tortoise Index Solutions, LLC | 10,946 | $1.64M | 0.39% | +1,690+18.3% | Added |
| Artemis Investment Management LLP | 10,934 | $1.63M | 0.01% | +1,869+20.6% | Added |
| Ergoteles LLC | 10,890 | $1.63M | 0.06% | −1,910−14.9% | Reduced |
| ProShare Advisors LLC | 10,873 | $1.62M | 0.00% | −7,586−41.1% | Reduced |
| Sawtooth Solutions, LLC | 10,674 | $1.59M | 0.25% | +1,965+22.6% | Added |
| STRS Ohio | 10,500 | $1.57M | 0.01% | −100−0.9% | Reduced |
| Lazard Asset Management LLC | 10,038 | $1.50M | 0.00% | −9,646−49.0% | Reduced |
| D.A. Davidson & Co. | 10,000 | $1.49M | 0.02% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 9,900 | $1.48M | 0.03% | −1,846−15.7% | Reduced |
| Shell Asset Management Co | 9,720 | $1.45M | 0.03% | −150−1.5% | Reduced |
| Handelsbanken Fonder AB | 9,209 | $1.38M | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 9,097 | $1.36M | 0.00% | −88,308−90.7% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 8,932 | $1.33M | 0.03% | −88−1.0% | Reduced |
| Ontario Teachers Pension Plan Board | 8,874 | $1.32M | 0.01% | −954−9.7% | Reduced |
| SFE Investment Counsel | 8,725 | $1.30M | 0.37% | 00.0% | Unchanged |
| Xponance, Inc. | 8,696 | $1.30M | 0.02% | −414−4.5% | Reduced |
| Teacher Retirement System of Texas | 8,657 | $1.29M | 0.01% | +1,523+21.3% | Added |
| Tortoise Capital Advisors, L.L.C. | 8,515 | $1.27M | 0.02% | +1,058+14.2% | Added |
| State of Alaska, Department of Revenue | 8,300 | $1.24M | 0.01% | −111−1.3% | Reduced |
| Los Angeles Capital Management LLC | 7,986 | $1.19M | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 7,860 | $1.17M | 0.00% | +15+0.2% | Added |
| Public Employees Retirement Association of Colorado | 7,833 | $1.17M | 0.01% | 00.0% | Unchanged |
| First National Bank of Omaha | 7,790 | $1.16M | 0.06% | −1,382−15.1% | Reduced |
| State of Tennessee, Treasury Department | 7,771 | $1.16M | 0.00% | −774−9.1% | Reduced |
| TD Asset Management Inc | 7,682 | $1.15M | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 7,300 | $1.09M | 0.00% | −380−4.9% | Reduced |
| Commonwealth Equity Services, LLC | 7,262 | $1.08M | 0.00% | +90+1.3% | Added |
| Bank of Montreal | 6,936 | $1.04M | 0.00% | +337+5.1% | Added |
| Legacy Wealth Asset Management, LLC | 6,905 | $1.03M | 0.47% | −10−0.1% | Reduced |
| Whittier Trust Co | 6,583 | $983.0K | 0.02% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 6,477 | $967.0K | 0.02% | −254−3.8% | Reduced |
| Pacer Advisors, Inc. | 6,064 | $906.0K | 0.01% | +26+0.4% | Added |
| Baird Financial Group, Inc. | 6,021 | $899.0K | 0.00% | +4,125+217.6% | Added |
| Rathbone Brothers plc | 5,805 | $867.0K | 0.01% | −470−7.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 5,650 | $844.0K | 0.01% | +16+0.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,645 | $843.0K | 0.00% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 5,540 | $827.0K | 0.02% | −220−3.8% | Reduced |