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 |
|---|---|---|---|---|---|
| Panagora Asset Management Inc | 2,646 | $323.0K | 0.00% | 00.0% | Unchanged |
| Pendal Group Limited | 2,700 | $330.0K | 0.00% | +2,700 | New |
| Jump Financial, LLC | 2,739 | $334.0K | 0.03% | +2,739 | New |
| M&T Bank Corp | 2,803 | $342.0K | 0.00% | +103+3.8% | Added |
| Walleye Trading LLC | 2,865 | $350.0K | 0.01% | +2,865 | New |
| Illinois Municipal Retirement Fund | 2,895 | $353.0K | 0.01% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 2,900 | $354.0K | 0.09% | −1,674−36.6% | Reduced |
| Sciencast Management LP | 2,866 | $357.0K | 0.07% | +2,866 | New |
| Strategic Wealth Partners, Ltd. | 2,975 | $363.0K | 0.12% | +2,975 | New |
| Shelton Capital Management | 3,009 | $367.0K | 0.01% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 3,100 | $378.0K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 3,120 | $381.0K | 0.04% | +1,573+101.7% | Added |
| HSBC Holdings PLC | 3,155 | $383.0K | 0.00% | −7,102−69.2% | Reduced |
| Bessemer Group Inc | 3,154 | $385.0K | 0.00% | −215−6.4% | Reduced |
| Creative Planning | 3,171 | $387.0K | 0.00% | −40−1.2% | Reduced |
| Tocqueville Asset Management L.P. | 3,225 | $394.0K | 0.01% | 00.0% | Unchanged |
| Guinness Asset Management LTD | 3,306 | $403.0K | 0.02% | +1,077+48.3% | Added |
| HighPoint Advisor Group LLC | 3,375 | $412.0K | 0.04% | +288+9.3% | Added |
| MML Investors Services, LLC | 3,445 | $420.0K | 0.00% | +526+18.0% | Added |
| Henshaw Capital LLC | 3,491 | $426.0K | 0.03% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 3,517 | $429.0K | 0.03% | +3,517 | New |
| Pathstone Family Office, LLC | 3,526 | $430.0K | 0.01% | +1,557+79.1% | Added |
| Fred Alger Management, LLC | 3,738 | $456.0K | 0.00% | 00.0% | Unchanged |
| Exane Derivatives | 3,714 | $462.9K | 0.11% | +3,714 | New |
| Cim Investment Mangement Inc | 3,919 | $478.0K | 0.15% | 00.0% | Unchanged |
| Ledyard National Bank | 4,027 | $491.0K | 0.05% | +95+2.4% | Added |
| Synovus Financial Corp | 4,095 | $499.0K | 0.00% | +67+1.7% | Added |
| Tower Research Capital LLC (TRC) | 4,152 | $507.0K | 0.01% | −657−13.7% | Reduced |
| American Century Companies Inc | 4,181 | $510.0K | 0.00% | +1,520+57.1% | Added |
| Janney Montgomery Scott LLC | 4,326 | $528.0K | 0.00% | +35+0.8% | Added |
| Schonfeld Strategic Advisors LLC | 4,468 | $545.0K | 0.01% | +1,968+78.7% | Added |
| AE Wealth Management LLC | 4,580 | $559.0K | 0.00% | −73−1.6% | Reduced |
| Gotham Asset Management, LLC | 4,619 | $564.0K | 0.02% | +755+19.5% | Added |
| First Business Financial Services, Inc. | 4,676 | $571.0K | 0.07% | −75−1.6% | Reduced |
| Captrust Financial Advisors | 4,759 | $581.0K | 0.01% | −77−1.6% | Reduced |
| Gsa Capital Partners LLP | 4,783 | $584.0K | 0.07% | +4,783 | New |
| Profund Advisors LLC | 4,819 | $587.0K | 0.02% | −113−2.3% | Reduced |
| First Wilshire Securities Management Inc | 4,900 | $598.0K | 0.21% | +500+11.4% | Added |
| The PNC Financial Services Group, Inc. | 4,952 | $605.0K | 0.00% | −1,404−22.1% | Reduced |
| Guggenheim Capital LLC | 4,965 | $606.0K | 0.00% | −1,056−17.5% | Reduced |
| Securian Asset Management, Inc | 4,977 | $607.0K | 0.01% | −120−2.4% | Reduced |
| Principal Street Partners, LLC | 5,000 | $610.0K | 0.16% | −5,346−51.7% | Reduced |
| Virginia Retirement Systems Et Al | 5,000 | $610.0K | 0.01% | −500−9.1% | Reduced |
| Caxton Associates LP | 5,250 | $641.0K | 0.08% | +5,250 | New |
| Private Trust Co NA | 5,278 | $644.0K | 0.10% | +732+16.1% | Added |
| First Pacific Financial | 5,303 | $647.0K | 0.36% | +620+13.2% | Added |
| Northwestern Mutual Wealth Management Co | 5,425 | $662.0K | 0.00% | −525−8.8% | Reduced |
| Aigen Investment Management, LP | 5,444 | $664.0K | 0.12% | +5,444 | New |
| Gabelli Funds LLC | 5,500 | $671.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,645 | $689.0K | 0.00% | −1,367−19.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 5,634 | $690.0K | 0.00% | −16−0.3% | Reduced |
| Crossmark Global Holdings, Inc. | 5,760 | $703.0K | 0.02% | −290−4.8% | Reduced |
| Pacer Advisors, Inc. | 6,038 | $737.0K | 0.01% | −40−0.7% | Reduced |
| Hancock Whitney Corp | 6,119 | $747.0K | 0.02% | −88−1.4% | Reduced |
| Rathbone Brothers plc | 6,275 | $766.0K | 0.01% | +890+16.5% | Added |
| Quantbot Technologies LP | 6,380 | $778.0K | 0.06% | +6,380 | New |
| Bank of Montreal | 6,599 | $800.0K | 0.00% | −159−2.4% | Reduced |
| Whittier Trust Co | 6,583 | $804.0K | 0.01% | +232+3.7% | Added |
| Great Lakes Advisors, LLC | 6,731 | $821.0K | 0.01% | +32+0.5% | Added |
| O'Shares Investment Advisers, LLC | 6,804 | $830.0K | 0.06% | +852+14.3% | Added |
| Legacy Wealth Asset Management, LLC | 6,915 | $844.0K | 0.37% | −251−3.5% | Reduced |
| Teacher Retirement System of Texas | 7,134 | $871.0K | 0.00% | +1,052+17.3% | Added |
| Commonwealth Equity Services, LLC | 7,172 | $875.0K | 0.00% | −43−0.6% | Reduced |
| Walleye Capital LLC | 7,450 | $909.0K | 0.03% | +7,450 | New |
| Tortoise Capital Advisors, L.L.C. | 7,457 | $910.0K | 0.01% | +5+0.1% | Added |
| Victory Capital Management Inc | 7,680 | $937.0K | 0.00% | −3,820−33.2% | Reduced |
| Public Employees Retirement Association of Colorado | 7,833 | $956.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 7,845 | $958.0K | 0.00% | +132+1.7% | Added |
| Manchester Capital Management LLC | 7,906 | $965.0K | 0.13% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 7,986 | $975.0K | 0.00% | −3,400−29.9% | Reduced |
| 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 |
| State of Tennessee, Treasury Department | 8,545 | $1.04M | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 8,558 | $1.04M | 0.01% | +5,973+231.1% | Added |
| Martingale Asset Management L P | 8,616 | $1.05M | 0.01% | −207−2.3% | Reduced |
| Sawtooth Solutions, LLC | 8,709 | $1.06M | 0.21% | +2,483+39.9% | Added |
| SFE Investment Counsel | 8,725 | $1.06M | 0.29% | −368−4.0% | Reduced |
| Magnetar Financial LLC | 8,749 | $1.07M | 0.01% | +6,802+349.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 9,020 | $1.10M | 0.02% | −25−0.3% | Reduced |
| Artemis Investment Management LLP | 9,065 | $1.11M | 0.01% | +9,065 | New |
| Xponance, Inc. | 9,110 | $1.11M | 0.02% | +2,575+39.4% | Added |
| Handelsbanken Fonder AB | 9,209 | $1.12M | 0.01% | −1,100−10.7% | Reduced |
| 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 |
| Jane Street Group, LLC | 9,616 | $1.17M | 0.00% | +728+8.2% | Added |
| Ontario Teachers Pension Plan Board | 9,828 | $1.20M | 0.02% | +4,245+76.0% | Added |
| 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 |
| Squarepoint Ops LLC | 9,882 | $1.21M | 0.01% | +9,882 | New |
| D.A. Davidson & Co. | 10,000 | $1.22M | 0.01% | 00.0% | Unchanged |
| First National Bank of Omaha | 9,172 | $1.25M | 0.06% | 00.0% | Unchanged |
| STRS Ohio | 10,600 | $1.29M | 0.00% | −7,500−41.4% | Reduced |
| Citigroup Inc | 10,600 | $1.29M | 0.00% | +632+6.3% | Added |
| Cna Financial Corp | 10,870 | $1.33M | 0.38% | −190−1.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,048 | $1.35M | 0.03% | +11,048 | New |
| New Mexico Educational Retirement Board | 11,200 | $1.37M | 0.05% | +1,800+19.1% | Added |
| Amundi | 11,499 | $1.40M | 0.00% | +11,499 | New |
| O'Shaughnessy Asset Management, LLC | 11,746 | $1.43M | 0.03% | +889+8.2% | Added |
| Federated Hermes, Inc. | 11,949 | $1.46M | 0.00% | −360,175−96.8% | Reduced |
| Ergoteles LLC | 12,800 | $1.56M | 0.04% | +12,800 | New |