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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,713,923 | $1.00B | 0.03% | −22,949−0.3% | Reduced |
| Vanguard Group Inc | 5,297,980 | $791.2M | 0.02% | −73,469−1.4% | Reduced |
| Pictet Asset Management SA | 2,929,791 | $437.5M | 0.48% | +2,929,791 | New |
| Alliancebernstein L.P. | 2,579,871 | $385.3M | 0.15% | +220,145+9.3% | Added |
| Neuberger Berman Group LLC | 1,925,341 | $285.4M | 0.25% | −18,586−1.0% | Reduced |
| State Street Corp | 1,664,043 | $248.5M | 0.01% | −10,244−0.6% | Reduced |
| Norges Bank | 1,516,895 | $226.5M | 0.05% | −4,397−0.3% | Reduced |
| Geode Capital Management, LLC | 988,680 | $147.6M | 0.02% | −21,359−2.1% | Reduced |
| Wellington Management Group LLP | 985,632 | $147.2M | 0.03% | +66,741+7.3% | Added |
| Dimensional Fund Advisors LP | 925,098 | $138.2M | 0.04% | −40,605−4.2% | Reduced |
| Invesco Ltd. | 833,130 | $124.4M | 0.03% | −81,360−8.9% | Reduced |
| Northern Trust Corp | 814,090 | $121.6M | 0.02% | +657+0.1% | Added |
| Bank of America Corp | 761,197 | $113.7M | 0.01% | +53,605+7.6% | Added |
| Price T Rowe Associates Inc | 757,655 | $113.1M | 0.01% | −9,035−1.2% | Reduced |
| Allianz Asset Management GmbH | 752,907 | $112.4M | 0.09% | +38,364+5.4% | Added |
| Macquarie Group Ltd | 721,008 | $107.7M | 0.09% | −4,287−0.6% | Reduced |
| FMR LLC | 692,705 | $103.4M | 0.01% | +75,696+12.3% | Added |
| Kames Capital plc | 613,784 | $91.7M | 1.30% | +28,654+4.9% | Added |
| Charles Schwab Investment Management Inc | 601,314 | $89.8M | 0.03% | −2,108−0.3% | Reduced |
| Bank of New York Mellon Corp | 591,263 | $88.3M | 0.02% | −9,046−1.5% | Reduced |
| Barrett Asset Management, LLC | 457,389 | $68.3M | 3.14% | −4,705−1.0% | Reduced |
| Standard Life Aberdeen plc | 434,235 | $65.6M | 0.15% | +141,940+48.6% | Added |
| FIL Ltd | 415,994 | $62.1M | 0.07% | −32,626−7.3% | Reduced |
| Bowen Hanes & Co Inc | 415,475 | $62.0M | 1.91% | −2,165−0.5% | Reduced |
| First Trust Advisors LP | 403,625 | $60.3M | 0.06% | +87,769+27.8% | Added |
| Copeland Capital Management, LLC | 378,817 | $56.6M | 1.61% | −17,893−4.5% | Reduced |
| Goldman Sachs Group Inc | 378,280 | $56.5M | 0.01% | +23,858+6.7% | Added |
| Emerald Mutual Fund Advisers Trust | 331,925 | $49.6M | 1.72% | 00.0% | Unchanged |
| Deutsche Bank AG | 323,302 | $48.3M | 0.02% | +9,338+3.0% | Added |
| Neumeier Poma Investment Counsel LLC | 304,665 | $45.5M | 2.70% | +12,210+4.2% | Added |
| Emerald Advisers, LLC | 302,922 | $45.2M | 1.64% | +3,656+1.2% | Added |
| TimesSquare Capital Management, LLC | 300,730 | $44.9M | 0.39% | +55,045+22.4% | Added |
| Rockefeller Capital Management L.P. | 289,822 | $43.3M | 0.23% | +5,172+1.8% | Added |
| Loomis Sayles & Co L P | 284,233 | $42.4M | 0.05% | +63,676+28.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 269,712 | $40.3M | 0.10% | +42,320+18.6% | Added |
| Vontobel Holding Ltd. | 268,251 | $40.1M | 0.35% | +31,419+13.3% | Added |
| Candriam Luxembourg S.C.A. | 266,295 | $39.8M | 0.27% | +55,607+26.4% | Added |
| Value Holdings Management Co. LLC | 249,465 | $37.3M | 8.41% | −9,000−3.5% | Reduced |
| Royal Bank of Canada | 247,510 | $37.0M | 0.01% | −7,539−3.0% | Reduced |
| Managed Asset Portfolios, LLC | 247,292 | $36.9M | 5.62% | +6,528+2.7% | Added |
| Nuveen Asset Management, LLC | 235,307 | $35.1M | 0.01% | −13,216−5.3% | Reduced |
| Principal Financial Group Inc | 231,810 | $34.6M | 0.02% | +7,466+3.3% | Added |
| JPMorgan Chase & Co | 231,802 | $34.6M | 0.00% | +31,829+15.9% | Added |
| Eaton Vance Management | 218,243 | $32.5M | 0.05% | −377−0.2% | Reduced |
| Morgan Stanley | 215,622 | $32.2M | 0.00% | −37,392−14.8% | Reduced |
| State of Wisconsin Investment Board | 210,550 | $31.4M | 0.07% | 00.0% | Unchanged |
| Amundi | 201,788 | $30.1M | 0.02% | +190,289+1,654.8% | Added |
| Wells Fargo & Company | 171,851 | $25.7M | 0.01% | −5,809−3.3% | Reduced |
| Parametric Portfolio Associates LLC | 169,614 | $25.3M | 0.01% | +11,059+7.0% | Added |
| Driehaus Capital Management LLC | 168,617 | $25.2M | 0.30% | +168,617 | New |
| Rheos Capital Works Inc. | 159,900 | $23.9M | 1.23% | +1,900+1.2% | Added |
| DekaBank Deutsche Girozentrale | 160,600 | $23.6M | 0.07% | +95,600+147.1% | Added |
| Rhumbline Advisers | 154,687 | $23.1M | 0.03% | +194+0.1% | Added |
| Redwood Investments, LLC | 154,010 | $23.0M | 1.92% | +21,499+16.2% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 135,775 | $20.3M | 1.16% | +25,833+23.5% | Added |
| AGF Investments America Inc. | 134,060 | $20.0M | 4.17% | +32,974+32.6% | Added |
| California Public Employees Retirement System | 122,962 | $18.4M | 0.01% | +386+0.3% | Added |
| American International Group, Inc. | 122,040 | $18.2M | 0.10% | −3,718−3.0% | Reduced |
| Legal & General Group Plc | 119,872 | $17.9M | 0.01% | +47,069+64.7% | Added |
| Swiss National Bank | 119,700 | $17.9M | 0.01% | +200+0.2% | Added |
| Systematic Financial Management LP | 118,163 | $17.6M | 0.55% | −5,927−4.8% | Reduced |
| Agf Investments Inc. | 111,434 | $16.6M | 0.13% | +18,880+20.4% | Added |
| Winslow Asset Management Inc | 109,636 | $16.4M | 3.16% | −1,740−1.6% | Reduced |
| Ameriprise Financial Inc | 106,072 | $15.9M | 0.01% | −32,727−23.6% | Reduced |
| Trillium Asset Management, LLC | 103,311 | $15.4M | 0.41% | +6,120+6.3% | Added |
| WCM Investment Management, LLC | 102,919 | $15.4M | 0.04% | +660+0.6% | Added |
| Millennium Management LLC | 90,332 | $13.5M | 0.02% | +21,953+32.1% | Added |
| Manufacturers Life Insurance Company, The | 88,494 | $13.2M | 0.01% | +178+0.2% | Added |
| Mutual of America Capital Management LLC | 87,003 | $13.0M | 0.13% | −1,457−1.6% | Reduced |
| HighTower Advisors, LLC | 86,824 | $13.0M | 0.03% | +19,985+29.9% | Added |
| Sarasin & Partners LLP | 84,844 | $12.7M | 0.13% | +84,844 | New |
| Segall Bryant & Hamill, LLC | 81,878 | $12.2M | 0.12% | −1,241−1.5% | Reduced |
| S&T Bank | 78,424 | $11.7M | 1.81% | −1,897−2.4% | Reduced |
| Russell Investments Group, Ltd. | 76,819 | $11.5M | 0.02% | +7,130+10.2% | Added |
| Franklin Resources Inc | 75,865 | $11.3M | 0.00% | +351+0.5% | Added |
| California State Teachers Retirement System | 73,465 | $11.0M | 0.01% | −872−1.2% | Reduced |
| Credit Suisse AG | 72,483 | $10.8M | 0.01% | +4,820+7.1% | Added |
| Zacks Investment Management | 70,606 | $10.5M | 0.17% | +983+1.4% | Added |
| Retirement Systems of Alabama | 70,012 | $10.5M | 0.04% | −547−0.8% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 69,257 | $10.3M | 1.04% | −5,972−7.9% | Reduced |
| New York State Teachers Retirement System | 68,958 | $10.3M | 0.02% | −190.0% | Reduced |
| Bahl & Gaynor Inc | 65,641 | $9.80M | 0.06% | +205+0.3% | Added |
| Envestnet Asset Management Inc | 64,727 | $9.67M | 0.01% | +2,531+4.1% | Added |
| Renaissance Investment Group LLC | 63,667 | $9.51M | 2.42% | +1,205+1.9% | Added |
| New York State Common Retirement Fund | 62,687 | $9.36M | 0.01% | −13,914−18.2% | Reduced |
| GHP Investment Advisors, Inc. | 56,264 | $8.40M | 0.67% | −2,276−3.9% | Reduced |
| Sandler Capital Management | 55,631 | $8.31M | 0.96% | −2,790−4.8% | Reduced |
| Asset Management One Co.,Ltd. | 54,906 | $8.20M | 0.03% | −130.0% | Reduced |
| AXA S.A. | 53,746 | $8.03M | 0.02% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 51,909 | $7.75M | 0.00% | +272+0.5% | Added |
| Barclays PLC | 51,699 | $7.72M | 0.01% | +10,421+25.2% | Added |
| LPL Financial LLC | 51,116 | $7.63M | 0.01% | +5,482+12.0% | Added |
| McKinley Capital Management LLC /Delaware | 47,813 | $7.14M | 0.67% | −609−1.3% | Reduced |
| Marks Group Wealth Management, Inc | 46,825 | $7.00M | 0.95% | −760−1.6% | Reduced |
| MetLife Investment Management | 44,550 | $6.65M | 0.06% | −1,644−3.6% | Reduced |
| Advisors Asset Management, Inc. | 44,107 | $6.59M | 0.10% | +1,399+3.3% | Added |
| Ensign Peak Advisors, Inc | 42,491 | $6.35M | 0.01% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 40,832 | $6.10M | 0.00% | +4,627+12.8% | Added |
| Texas Permanent School Fund | 39,998 | $5.97M | 0.07% | −363−0.9% | Reduced |
| Crown Advisors Management, Inc. | 40,000 | $5.97M | 4.20% | 00.0% | Unchanged |