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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,736,872 | $822.2M | 0.02% | −175,020−2.5% | Reduced |
| Vanguard Group Inc | 5,371,449 | $655.5M | 0.02% | +49,863+0.9% | Added |
| Pictet Asset Management Ltd | 2,775,880 | $338.8M | 0.37% | +228,237+9.0% | Added |
| Alliancebernstein L.P. | 2,359,726 | $288.0M | 0.12% | +157,847+7.2% | Added |
| Neuberger Berman Group LLC | 1,943,927 | $236.5M | 0.21% | −51,028−2.6% | Reduced |
| State Street Corp | 1,674,287 | $204.3M | 0.01% | +10,222+0.6% | Added |
| Norges Bank | 1,521,292 | $185.7M | 0.04% | −19,237−1.2% | Reduced |
| Geode Capital Management, LLC | 1,010,039 | $123.3M | 0.02% | +27,414+2.8% | Added |
| Dimensional Fund Advisors LP | 965,703 | $117.9M | 0.04% | −46,437−4.6% | Reduced |
| Wellington Management Group LLP | 918,891 | $112.1M | 0.02% | +18,906+2.1% | Added |
| Invesco Ltd. | 914,490 | $111.6M | 0.03% | −9,071−1.0% | Reduced |
| Northern Trust Corp | 813,433 | $99.3M | 0.02% | −10,086−1.2% | Reduced |
| Price T Rowe Associates Inc | 766,690 | $93.6M | 0.01% | −16,587−2.1% | Reduced |
| Macquarie Group Ltd | 725,295 | $88.5M | 0.07% | −28,163−3.7% | Reduced |
| Allianz Asset Management GmbH | 714,543 | $87.2M | 0.08% | −17,742−2.4% | Reduced |
| Bank of America Corp | 707,592 | $86.4M | 0.01% | −7,641−1.1% | Reduced |
| FMR LLC | 617,009 | $75.3M | 0.01% | −544,369−46.9% | Reduced |
| Charles Schwab Investment Management Inc | 603,422 | $73.6M | 0.02% | +23,707+4.1% | Added |
| Bank of New York Mellon Corp | 600,309 | $73.3M | 0.01% | +3,386+0.6% | Added |
| Kames Capital plc | 585,130 | $71.4M | 1.01% | −36,631−5.9% | Reduced |
| Barrett Asset Management, LLC | 462,094 | $56.4M | 2.60% | +180.0% | Added |
| FIL Ltd | 448,620 | $54.8M | 0.06% | +13,009+3.0% | Added |
| Bowen Hanes & Co Inc | 417,640 | $51.0M | 1.55% | −10,000−2.3% | Reduced |
| Copeland Capital Management, LLC | 396,710 | $48.4M | 1.45% | +31,434+8.6% | Added |
| Goldman Sachs Group Inc | 354,422 | $43.3M | 0.01% | −27,166−7.1% | Reduced |
| Emerald Mutual Fund Advisers Trust | 331,925 | $40.5M | 1.33% | −15,760−4.5% | Reduced |
| First Trust Advisors LP | 315,856 | $38.5M | 0.04% | +71,504+29.3% | Added |
| Deutsche Bank AG | 313,964 | $38.3M | 0.02% | +109,428+53.5% | Added |
| Emerald Advisers, LLC | 299,266 | $36.5M | 1.33% | −19,733−6.2% | Reduced |
| Neumeier Poma Investment Counsel LLC | 292,455 | $35.7M | 2.09% | +48,950+20.1% | Added |
| Standard Life Aberdeen plc | 292,295 | $35.7M | 0.08% | −191,524−39.6% | Reduced |
| Rockefeller Capital Management L.P. | 284,650 | $34.7M | 0.20% | −19,495−6.4% | Reduced |
| Value Holdings Management Co. LLC | 258,465 | $31.5M | 7.10% | 00.0% | Unchanged |
| Royal Bank of Canada | 255,049 | $31.1M | 0.01% | −6,410−2.5% | Reduced |
| Morgan Stanley | 253,014 | $30.9M | 0.00% | +38,853+18.1% | Added |
| Nuveen Asset Management, LLC | 248,523 | $30.3M | 0.01% | −34,206−12.1% | Reduced |
| TimesSquare Capital Management, LLC | 245,685 | $30.0M | 0.25% | +245,685 | New |
| Managed Asset Portfolios, LLC | 240,764 | $29.4M | 4.38% | +11,006+4.8% | Added |
| Vontobel Holding Ltd. | 236,832 | $28.6M | 0.25% | +40,366+20.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 227,392 | $27.8M | 0.08% | +80,348+54.6% | Added |
| Principal Financial Group Inc | 224,344 | $27.4M | 0.02% | −3,301−1.5% | Reduced |
| Loomis Sayles & Co L P | 220,557 | $26.9M | 0.03% | +8,675+4.1% | Added |
| Eaton Vance Management | 218,620 | $26.7M | 0.04% | +11,604+5.6% | Added |
| Candriam Luxembourg S.C.A. | 210,688 | $25.7M | 0.18% | +73,328+53.4% | Added |
| State of Wisconsin Investment Board | 210,550 | $25.7M | 0.05% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 199,973 | $24.4M | 0.00% | −45,890−18.7% | Reduced |
| Wells Fargo & Company | 177,660 | $21.7M | 0.00% | −12,909−6.8% | Reduced |
| Parametric Portfolio Associates LLC | 158,555 | $19.4M | 0.01% | +22,568+16.6% | Added |
| Rheos Capital Works Inc. | 158,000 | $19.3M | 0.97% | +46,000+41.1% | Added |
| Rhumbline Advisers | 154,493 | $18.9M | 0.02% | −2,592−1.7% | Reduced |
| Ameriprise Financial Inc | 138,799 | $16.9M | 0.01% | +3,408+2.5% | Added |
| Redwood Investments, LLC | 132,511 | $16.2M | 1.30% | −503−0.4% | Reduced |
| American International Group, Inc. | 125,758 | $15.3M | 0.06% | −3,286−2.5% | Reduced |
| Systematic Financial Management LP | 124,090 | $15.1M | 0.46% | +19,742+18.9% | Added |
| California Public Employees Retirement System | 122,576 | $15.0M | 0.01% | −7,462−5.7% | Reduced |
| Swiss National Bank | 119,500 | $14.6M | 0.01% | −3,400−2.8% | Reduced |
| Winslow Asset Management Inc | 111,376 | $13.6M | 2.53% | −464−0.4% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 109,942 | $13.4M | 0.69% | +9,920+9.9% | Added |
| WCM Investment Management, LLC | 102,259 | $12.5M | 0.03% | +4,038+4.1% | Added |
| AGF Investments America Inc. | 101,086 | $12.3M | 2.91% | −9,854−8.9% | Reduced |
| D. E. Shaw & Co., Inc. | 97,405 | $11.9M | 0.01% | +61,577+171.9% | Added |
| Trillium Asset Management, LLC | 97,191 | $11.9M | 0.33% | +6,287+6.9% | Added |
| Agf Investments Inc. | 92,554 | $11.3M | 0.08% | +4,255+4.8% | Added |
| Mutual of America Capital Management LLC | 88,460 | $10.8M | 0.11% | −1,967−2.2% | Reduced |
| Manufacturers Life Insurance Company, The | 88,316 | $10.8M | 0.01% | −1,373−1.5% | Reduced |
| Intrinsic Edge Capital Management LLC | 87,110 | $10.6M | 0.64% | +87,110 | New |
| Segall Bryant & Hamill, LLC | 83,119 | $10.1M | 0.10% | +3,268+4.1% | Added |
| S&T Bank | 80,321 | $9.80M | 1.52% | +235+0.3% | Added |
| New York State Common Retirement Fund | 76,601 | $9.35M | 0.01% | −22,764−22.9% | Reduced |
| Franklin Resources Inc | 75,514 | $9.21M | 0.00% | −11,942−13.7% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 75,229 | $9.18M | 0.81% | −9,557−11.3% | Reduced |
| Citadel Advisors LLC | 75,072 | $9.16M | 0.01% | +59,037+368.2% | Added |
| California State Teachers Retirement System | 74,337 | $9.07M | 0.01% | −7,058−8.7% | Reduced |
| Legal & General Group Plc | 72,803 | $8.88M | 0.00% | −15,383−17.4% | Reduced |
| Retirement Systems of Alabama | 70,559 | $8.61M | 0.03% | −222−0.3% | Reduced |
| Russell Investments Group, Ltd. | 69,689 | $8.50M | 0.01% | +16,510+31.0% | Added |
| Zacks Investment Management | 69,623 | $8.50M | 0.14% | +260+0.4% | Added |
| New York State Teachers Retirement System | 68,977 | $8.42M | 0.02% | −9,046−11.6% | Reduced |
| Millennium Management LLC | 68,379 | $8.35M | 0.01% | +36,732+116.1% | Added |
| Credit Suisse AG | 67,663 | $8.26M | 0.01% | −82,169−54.8% | Reduced |
| HighTower Advisors, LLC | 66,839 | $8.18M | 0.02% | +32,794+96.3% | Added |
| Marshall Wace, LLP | 66,266 | $8.09M | 0.04% | +64,005+2,830.8% | Added |
| Bahl & Gaynor Inc | 65,436 | $7.99M | 0.05% | −3,986−5.7% | Reduced |
| DekaBank Deutsche Girozentrale | 65,000 | $7.69M | 0.02% | +25,000+62.5% | Added |
| Renaissance Investment Group LLC | 62,462 | $7.62M | 1.95% | +895+1.5% | Added |
| Envestnet Asset Management Inc | 62,196 | $7.59M | 0.00% | +4,600+8.0% | Added |
| Arrowstreet Capital, Limited Partnership | 60,200 | $7.35M | 0.01% | +43,100+252.0% | Added |
| GHP Investment Advisors, Inc. | 58,540 | $7.14M | 0.58% | −49,704−45.9% | Reduced |
| Sandler Capital Management | 58,421 | $7.13M | 0.63% | −21,753−27.1% | Reduced |
| Prudential Financial Inc | 55,358 | $6.76M | 0.01% | −20,856−27.4% | Reduced |
| Asset Management One Co.,Ltd. | 54,919 | $6.70M | 0.02% | +14,498+35.9% | Added |
| AXA S.A. | 53,746 | $6.56M | 0.02% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 51,637 | $6.30M | 0.00% | −40,449−43.9% | Reduced |
| Voloridge Investment Management, LLC | 51,581 | $6.29M | 0.04% | +48,760+1,728.5% | Added |
| McKinley Capital Management LLC /Delaware | 48,422 | $5.91M | 0.41% | +15,689+47.9% | Added |
| Marks Group Wealth Management, Inc | 47,585 | $5.81M | 0.80% | +3,224+7.3% | Added |
| Running Oak Capital LLC | 47,210 | $5.76M | 3.19% | +780+1.7% | Added |
| MetLife Investment Management | 46,194 | $5.64M | 0.05% | −2,072−4.3% | Reduced |
| LPL Financial LLC | 45,634 | $5.57M | 0.01% | +5,604+14.0% | Added |
| Advisors Asset Management, Inc. | 42,708 | $5.21M | 0.08% | +4,936+13.1% | Added |