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 2023
Institutional positions in Tetra Tech Inc as of Sep 30, 2023. 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
- 471
- +22 vs. Q2 2023
- Shares held
- 46.9M
- +3.36M (+7.7%) vs. Q2 2023
- Total value
- $7.09B
- −$8.48M (−0.1%) vs. Q2 2023
- New holders
- 62
- 152 more added
- Sold out
- 40
- 176 more reduced
6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,599 | $1.76M | 0.01% | +1,879+19.3% | Added |
| Formula Growth Ltd | 11,500 | $1.75M | 0.60% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 272,970 | $1.74M | 0.01% | +21,816+8.7% | Added |
| Voya Investment Management LLC | 11,448 | $1.74M | 0.00% | −417−3.5% | Reduced |
| Exchange Traded Concepts, LLC | 10,992 | $1.67M | 0.05% | −1,738−13.7% | Reduced |
| Tortoise Index Solutions, LLC | 10,940 | $1.66M | 0.35% | −334−3.0% | Reduced |
| New Mexico Educational Retirement Board | 10,900 | $1.66M | 0.07% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,782 | $1.64M | 0.01% | −14,948−58.1% | Reduced |
| Granahan Investment Management Inc | 10,610 | $1.61M | 0.06% | +6,437+154.3% | Added |
| D.A. Davidson & Co. | 9,982 | $1.52M | 0.02% | +32+0.3% | Added |
| Legato Capital Management LLC | 9,653 | $1.47M | 0.21% | −376−3.7% | Reduced |
| Handelsbanken Fonder AB | 9,609 | $1.46M | 0.01% | 00.0% | Unchanged |
| Victory Capital Management Inc | 9,464 | $1.44M | 0.00% | +267+2.9% | Added |
| Artemis Investment Management LLP | 9,208 | $1.40M | 0.02% | −2,112−18.7% | Reduced |
| STRS Ohio | 9,050 | $1.38M | 0.01% | +2,291+33.9% | Added |
| ClariVest Asset Management LLC | 8,627 | $1.31M | 0.07% | +12+0.1% | Added |
| CWM Advisors, LLC | 8,390 | $1.28M | 0.16% | +500+6.3% | Added |
| Aviva PLC | 8,294 | $1.26M | 0.01% | −5,400−39.4% | Reduced |
| Oppenheimer & Co Inc | 8,251 | $1.25M | 0.03% | +8,251 | New |
| Point72 Middle East FZE | 8,167 | $1.24M | 0.08% | +8,167 | New |
| Bailard, Inc. | 8,122 | $1.23M | 0.04% | −174−2.1% | Reduced |
| Pathstone Family Office, LLC | 7,583 | $1.23M | 0.01% | +692+10.0% | Added |
| Two Sigma Advisers, LP | 8,000 | $1.22M | 0.00% | −6,100−43.3% | Reduced |
| CenterBook Partners LP | 7,995 | $1.22M | 0.15% | −3,396−29.8% | Reduced |
| AE Wealth Management LLC | 7,821 | $1.19M | 0.01% | −240−3.0% | Reduced |
| American Century Companies Inc | 7,741 | $1.18M | 0.00% | +343+4.6% | Added |
| SFE Investment Counsel | 7,606 | $1.16M | 0.34% | −158−2.0% | Reduced |
| Xponance, Inc. | 7,318 | $1.11M | 0.02% | −96−1.3% | Reduced |
| Tudor Investment Corp Et Al | 7,153 | $1.09M | 0.02% | +7,153 | New |
| Cetera Investment Advisers | 7,139 | $1.09M | 0.01% | +1,713+31.6% | Added |
| Bank of Montreal | 6,770 | $1.08M | 0.00% | −135−2.0% | Reduced |
| Strategic Wealth Partners, Ltd. | 7,019 | $1.07M | 0.14% | −166−2.3% | Reduced |
| JustInvest LLC | 6,874 | $1.05M | 0.03% | +236+3.6% | Added |
| Whittier Trust Co | 6,833 | $1.04M | 0.02% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 6,775 | $1.03M | 0.00% | +1,424+26.6% | Added |
| Quadrature Capital Ltd | 6,635 | $1.01M | 0.02% | +6,635 | New |
| Public Employees Retirement Association of Colorado | 6,580 | $1.00M | 0.01% | −801−10.9% | Reduced |
| Tredje AP-fonden | 6,536 | $993.7K | 0.01% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 6,508 | $989.4K | 0.00% | +6,508 | New |
| State of Alaska, Department of Revenue | 6,327 | $961.0K | 0.01% | −270−4.1% | Reduced |
| Point72 Asset Management, L.P. | 6,304 | $958.4K | 0.00% | +6,304 | New |
| Tributary Capital Management, LLC | 6,259 | $951.6K | 0.09% | +881+16.4% | Added |
| Pacer Advisors, Inc. | 6,224 | $946.2K | 0.00% | −4,587−42.4% | Reduced |
| Captrust Financial Advisors | 5,870 | $892.4K | 0.00% | +13+0.2% | Added |
| FORA Capital, LLC | 5,841 | $888.0K | 0.08% | +5,841 | New |
| Legacy Wealth Asset Management, LLC | 5,767 | $876.8K | 0.32% | −17−0.3% | Reduced |
| New York Life Investment Management LLC | 5,630 | $855.9K | 0.01% | +2,958+110.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 5,568 | $846.0K | 0.00% | +169+3.1% | Added |
| Vestcor Inc | 5,448 | $828.0K | 0.03% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 5,257 | $799.2K | 0.01% | −89−1.7% | Reduced |
| Stephens Inc | 5,238 | $796.3K | 0.02% | +5,238 | New |
| First Pacific Financial | 5,181 | $787.7K | 0.35% | −232−4.3% | Reduced |
| Susquehanna International Group, LLP | 5,165 | $785.2K | 0.00% | −16,646−76.3% | Reduced |
| VELA Investment Management, LLC | 5,075 | $771.6K | 0.34% | +2,572+102.8% | Added |
| Commonwealth Equity Services, LLC | 5,046 | $767.0K | 0.00% | +290+6.1% | Added |
| Inceptionr LLC | 5,034 | $765.3K | 0.43% | +1,682+50.2% | Added |
| AQR Capital Management LLC | 5,019 | $763.1K | 0.00% | −13,613−73.1% | Reduced |
| Teza Capital Management LLC | 4,841 | $736.0K | 0.12% | +3,132+183.3% | Added |
| Vancity Investment Management Ltd | 4,831 | $734.0K | 0.10% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 4,805 | $730.5K | 0.01% | +836+21.1% | Added |
| First Wilshire Securities Management Inc | 4,800 | $730.0K | 0.25% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 4,714 | $716.7K | 0.00% | +1,055+28.8% | Added |
| First Business Financial Services, Inc. | 4,676 | $710.9K | 0.09% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 4,576 | $695.7K | 0.10% | 00.0% | Unchanged |
| Mariner, LLC | 4,527 | $688.2K | 0.00% | +2,195+94.1% | Added |
| Securian Asset Management, Inc | 4,509 | $685.5K | 0.02% | −233−4.9% | Reduced |
| Brasada Capital Management, LP | 4,500 | $684.1K | 0.16% | +4,500 | New |
| Smith, Moore & Co. | 4,458 | $677.7K | 0.09% | +4,458 | New |
| Tortoise Capital Advisors, L.L.C. | 4,399 | $668.8K | 0.01% | 00.0% | Unchanged |
| Ledyard National Bank | 4,383 | $666.3K | 0.08% | −82−1.8% | Reduced |
| The PNC Financial Services Group, Inc. | 4,377 | $665.5K | 0.00% | −567−11.5% | Reduced |
| Hunter Associates Investment Management LLC | 4,320 | $654.0K | 0.13% | +86+2.0% | Added |
| Duality Advisers, LP | 4,284 | $651.3K | 0.08% | +4,284 | New |
| Portman Square Capital LLP | 4,270 | $649.2K | 0.09% | +4,270 | New |
| Cetera Advisor Networks LLC | 4,252 | $646.4K | 0.00% | +125+3.0% | Added |
| M&T Bank Corp | 4,201 | $639.1K | 0.00% | +25+0.6% | Added |
| Great Lakes Advisors, LLC | 4,159 | $632.3K | 0.01% | −221−5.0% | Reduced |
| Maryland State Retirement & Pension System | 4,100 | $623.3K | 0.01% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 4,086 | $621.2K | 0.42% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 4,021 | $611.3K | 0.00% | +4,021 | New |
| Shell Asset Management Co | 4,011 | $610.0K | 0.03% | 00.0% | Unchanged |
| Ethic Inc. | 4,006 | $609.0K | 0.02% | +347+9.5% | Added |
| XTX Topco Ltd | 3,999 | $608.0K | 0.10% | +3,999 | New |
| Crossmark Global Holdings, Inc. | 3,739 | $603.0K | 0.01% | −102−2.7% | Reduced |
| Bessemer Group Inc | 3,775 | $574.0K | 0.00% | −34−0.9% | Reduced |
| Financial Counselors Inc | 3,653 | $555.4K | 0.01% | +1,035+39.5% | Added |
| New Hampshire Trust | 3,653 | $555.4K | 0.15% | +1,035+39.5% | Added |
| Cresset Asset Management, LLC | 3,433 | $521.9K | 0.00% | −276−7.4% | Reduced |
| AtonRa Partners | 3,389 | $515.2K | 1.08% | −321−8.7% | Reduced |
| Coldstream Capital Management Inc | 3,341 | $508.0K | 0.02% | −34−1.0% | Reduced |
| Magnetar Financial LLC | 3,336 | $507.2K | 0.01% | +3,336 | New |
| Guinness Asset Management LTD | 3,332 | $506.8K | 0.01% | +83+2.6% | Added |
| Pure Financial Advisors, Inc. | 3,278 | $498.3K | 0.02% | +5+0.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 3,234 | $491.7K | 0.00% | +572+21.5% | Added |
| PDT Partners, LLC | 3,211 | $488.2K | 0.06% | +3,211 | New |
| Fred Alger Management, LLC | 3,183 | $483.9K | 0.00% | −171−5.1% | Reduced |
| Advisor Partners II, LLC | 3,127 | $475.4K | 0.02% | +1,825+140.2% | Added |
| Boothbay Fund Management, LLC | 3,071 | $466.9K | 0.02% | +3,071 | New |
| Rathbone Brothers plc | 3,050 | $463.7K | 0.00% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 3,028 | $460.3K | 0.01% | −128−4.1% | Reduced |