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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 88,316 | $10.8M | 0.01% | −1,373−1.5% | Reduced |
| Mutual of America Capital Management LLC | 88,460 | $10.8M | 0.11% | −1,967−2.2% | Reduced |
| Agf Investments Inc. | 92,554 | $11.3M | 0.08% | +4,255+4.8% | Added |
| Trillium Asset Management, LLC | 97,191 | $11.9M | 0.33% | +6,287+6.9% | Added |
| D. E. Shaw & Co., Inc. | 97,405 | $11.9M | 0.01% | +61,577+171.9% | Added |
| AGF Investments America Inc. | 101,086 | $12.3M | 2.91% | −9,854−8.9% | Reduced |
| WCM Investment Management, LLC | 102,259 | $12.5M | 0.03% | +4,038+4.1% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 109,942 | $13.4M | 0.69% | +9,920+9.9% | Added |
| Winslow Asset Management Inc | 111,376 | $13.6M | 2.53% | −464−0.4% | Reduced |
| Swiss National Bank | 119,500 | $14.6M | 0.01% | −3,400−2.8% | Reduced |
| California Public Employees Retirement System | 122,576 | $15.0M | 0.01% | −7,462−5.7% | Reduced |
| Systematic Financial Management LP | 124,090 | $15.1M | 0.46% | +19,742+18.9% | Added |
| American International Group, Inc. | 125,758 | $15.3M | 0.06% | −3,286−2.5% | Reduced |
| Redwood Investments, LLC | 132,511 | $16.2M | 1.30% | −503−0.4% | Reduced |
| Ameriprise Financial Inc | 138,799 | $16.9M | 0.01% | +3,408+2.5% | Added |
| Rhumbline Advisers | 154,493 | $18.9M | 0.02% | −2,592−1.7% | Reduced |
| Rheos Capital Works Inc. | 158,000 | $19.3M | 0.97% | +46,000+41.1% | Added |
| Parametric Portfolio Associates LLC | 158,555 | $19.4M | 0.01% | +22,568+16.6% | Added |
| Wells Fargo & Company | 177,660 | $21.7M | 0.00% | −12,909−6.8% | Reduced |
| JPMorgan Chase & Co | 199,973 | $24.4M | 0.00% | −45,890−18.7% | Reduced |
| State of Wisconsin Investment Board | 210,550 | $25.7M | 0.05% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 210,688 | $25.7M | 0.18% | +73,328+53.4% | Added |
| Eaton Vance Management | 218,620 | $26.7M | 0.04% | +11,604+5.6% | Added |
| Loomis Sayles & Co L P | 220,557 | $26.9M | 0.03% | +8,675+4.1% | Added |
| Principal Financial Group Inc | 224,344 | $27.4M | 0.02% | −3,301−1.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 227,392 | $27.8M | 0.08% | +80,348+54.6% | Added |
| Vontobel Holding Ltd. | 236,832 | $28.6M | 0.25% | +40,366+20.5% | Added |
| Managed Asset Portfolios, LLC | 240,764 | $29.4M | 4.38% | +11,006+4.8% | Added |
| TimesSquare Capital Management, LLC | 245,685 | $30.0M | 0.25% | +245,685 | New |
| Nuveen Asset Management, LLC | 248,523 | $30.3M | 0.01% | −34,206−12.1% | Reduced |
| Morgan Stanley | 253,014 | $30.9M | 0.00% | +38,853+18.1% | Added |
| Royal Bank of Canada | 255,049 | $31.1M | 0.01% | −6,410−2.5% | Reduced |
| Value Holdings Management Co. LLC | 258,465 | $31.5M | 7.10% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 284,650 | $34.7M | 0.20% | −19,495−6.4% | Reduced |
| Standard Life Aberdeen plc | 292,295 | $35.7M | 0.08% | −191,524−39.6% | Reduced |
| Neumeier Poma Investment Counsel LLC | 292,455 | $35.7M | 2.09% | +48,950+20.1% | Added |
| Emerald Advisers, LLC | 299,266 | $36.5M | 1.33% | −19,733−6.2% | Reduced |
| Deutsche Bank AG | 313,964 | $38.3M | 0.02% | +109,428+53.5% | Added |
| First Trust Advisors LP | 315,856 | $38.5M | 0.04% | +71,504+29.3% | Added |
| Emerald Mutual Fund Advisers Trust | 331,925 | $40.5M | 1.33% | −15,760−4.5% | Reduced |
| Goldman Sachs Group Inc | 354,422 | $43.3M | 0.01% | −27,166−7.1% | Reduced |
| Copeland Capital Management, LLC | 396,710 | $48.4M | 1.45% | +31,434+8.6% | Added |
| Bowen Hanes & Co Inc | 417,640 | $51.0M | 1.55% | −10,000−2.3% | Reduced |
| FIL Ltd | 448,620 | $54.8M | 0.06% | +13,009+3.0% | Added |
| Barrett Asset Management, LLC | 462,094 | $56.4M | 2.60% | +180.0% | Added |
| Kames Capital plc | 585,130 | $71.4M | 1.01% | −36,631−5.9% | Reduced |
| Bank of New York Mellon Corp | 600,309 | $73.3M | 0.01% | +3,386+0.6% | Added |
| Charles Schwab Investment Management Inc | 603,422 | $73.6M | 0.02% | +23,707+4.1% | Added |
| FMR LLC | 617,009 | $75.3M | 0.01% | −544,369−46.9% | Reduced |
| Bank of America Corp | 707,592 | $86.4M | 0.01% | −7,641−1.1% | Reduced |
| Allianz Asset Management GmbH | 714,543 | $87.2M | 0.08% | −17,742−2.4% | Reduced |
| Macquarie Group Ltd | 725,295 | $88.5M | 0.07% | −28,163−3.7% | Reduced |
| Price T Rowe Associates Inc | 766,690 | $93.6M | 0.01% | −16,587−2.1% | Reduced |
| Northern Trust Corp | 813,433 | $99.3M | 0.02% | −10,086−1.2% | Reduced |
| Invesco Ltd. | 914,490 | $111.6M | 0.03% | −9,071−1.0% | Reduced |
| Wellington Management Group LLP | 918,891 | $112.1M | 0.02% | +18,906+2.1% | Added |
| Dimensional Fund Advisors LP | 965,703 | $117.9M | 0.04% | −46,437−4.6% | Reduced |
| Geode Capital Management, LLC | 1,010,039 | $123.3M | 0.02% | +27,414+2.8% | Added |
| Norges Bank | 1,521,292 | $185.7M | 0.04% | −19,237−1.2% | Reduced |
| State Street Corp | 1,674,287 | $204.3M | 0.01% | +10,222+0.6% | Added |
| Neuberger Berman Group LLC | 1,943,927 | $236.5M | 0.21% | −51,028−2.6% | Reduced |
| Alliancebernstein L.P. | 2,359,726 | $288.0M | 0.12% | +157,847+7.2% | Added |
| Pictet Asset Management Ltd | 2,775,880 | $338.8M | 0.37% | +228,237+9.0% | Added |
| Vanguard Group Inc | 5,371,449 | $655.5M | 0.02% | +49,863+0.9% | Added |
| BlackRock Inc. | 6,736,872 | $822.2M | 0.02% | −175,020−2.5% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 174 | – | – | +174 | New |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −357,636−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −84,055−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −73,864−100.0% | Sold out |
| Pembroke Management, LTD | 0 | $0 | 0.00% | −50,196−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −28,650−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −27,684−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −17,057−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −16,463−100.0% | Sold out |
| Arabesque Asset Management Ltd | 0 | $0 | 0.00% | −15,965−100.0% | Sold out |
| Three Peaks Capital Management, LLC | 0 | $0 | 0.00% | −12,954−100.0% | Sold out |
| Waratah Capital Advisors Ltd. | 0 | $0 | 0.00% | −7,899−100.0% | Sold out |
| Mackay Shields LLC | 0 | $0 | 0.00% | −7,100−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −6,785−100.0% | Sold out |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −5,195−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −4,806−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −4,666−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −3,739−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −3,653−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −3,233−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −3,136−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −3,054−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −2,702−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −1,895−100.0% | Sold out |
| M Holdings Securities, Inc. | 0 | $0 | 0.00% | −1,858−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Phoenix Holdings Ltd. | 0 | $0 | 0.00% | −1,795−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −1,647−100.0% | Sold out |
| Ingalls & Snyder LLC | 0 | $0 | 0.00% | −1,565−100.0% | Sold out |
| Fort, L.P. | 0 | $0 | 0.00% | −1,555−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −1,480−100.0% | Sold out |
| Smithfield Trust Co | 0 | $0 | 0.00% | −1,413−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |