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, Q1 2025
Institutional positions in Tetra Tech Inc as of Mar 31, 2025. 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
- 568
- −61 vs. Q4 2024
- Shares held
- 245.5M
- +9.62M (+4.1%) vs. Q4 2024
- Total value
- $7.18B
- −$2.22B (−23.6%) vs. Q4 2024
- New holders
- 75
- 231 more added
- Sold out
- 136
- 192 more reduced
9 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 27,185,795 | $795.2M | 0.01% | +1,273,692+4.9% | Added |
| BlackRock, Inc. | 26,439,478 | $773.4M | 0.02% | +412,704+1.6% | Added |
| Pictet Asset Management Holding SA | 14,502,940 | $424.2M | 0.47% | +484,053+3.5% | Added |
| State Street Corp | 10,678,928 | $312.4M | 0.01% | +1,421,002+15.3% | Added |
| Neuberger Berman Group LLC | 8,940,748 | $261.5M | 0.22% | +231,016+2.7% | Added |
| Amundi | 6,675,220 | $196.8M | 0.07% | +1,802,044+37.0% | Added |
| Alliancebernstein L.P. | 6,141,224 | $179.6M | 0.06% | −1,709,763−21.8% | Reduced |
| Geode Capital Management, LLC | 4,990,031 | $146.0M | 0.01% | +260,335+5.5% | Added |
| Sarasin & Partners LLP | 4,628,564 | $135.4M | 1.47% | +4,628,564 | New |
| FIL Ltd | 4,459,764 | $130.4M | 0.12% | −354,337−7.4% | Reduced |
| Sands Capital Management, LLC | 4,110,736 | $120.2M | 0.41% | −227,467−5.2% | Reduced |
| Invesco Ltd. | 3,635,726 | $106.3M | 0.02% | +719,326+24.7% | Added |
| Robeco Schweiz AG | 3,192,116 | $93.4M | 2.30% | +742,241+30.3% | Added |
| Dimensional Fund Advisors LP | 3,101,292 | $90.7M | 0.02% | +1,103,179+55.2% | Added |
| Norges Bank | 3,068,263 | $89.7M | 0.01% | +21,324+0.7% | Added |
| Morgan Stanley | 3,030,992 | $88.7M | 0.01% | +695,761+29.8% | Added |
| Bank of America Corp | 2,995,342 | $87.6M | 0.01% | +402,744+15.5% | Added |
| Ninety One UK Ltd | 2,990,262 | $87.5M | 0.24% | +625,052+26.4% | Added |
| Northern Trust Corp | 2,878,408 | $84.2M | 0.01% | +132,974+4.8% | Added |
| LGT Group Foundation | 2,734,057 | $80.0M | 1.10% | +1,514,583+124.2% | Added |
| Bank of New York Mellon Corp | 2,453,720 | $71.8M | 0.01% | −134,809−5.2% | Reduced |
| Allianz Asset Management GmbH | 2,248,668 | $65.8M | 0.10% | +158,205+7.6% | Added |
| Jacobs Levy Equity Management, Inc | 2,210,954 | $64.7M | 0.26% | −56,342−2.5% | Reduced |
| Citadel Advisors LLC | 2,203,319 | $64.4M | 0.06% | +1,555,533+240.1% | Added |
| CI Private Wealth, LLC | 2,174,701 | $63.6M | 0.10% | −438,558−16.8% | Reduced |
| Charles Schwab Investment Management Inc | 2,131,293 | $62.3M | 0.01% | +49,454+2.4% | Added |
| Capital International Investors | 2,028,414 | $59.3M | 0.01% | +926,621+84.1% | Added |
| Copeland Capital Management, LLC | 2,001,321 | $58.5M | 1.17% | +340,734+20.5% | Added |
| Bowen Hanes & Co Inc | 1,855,675 | $54.3M | 1.51% | −170,195−8.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 1,776,690 | $52.0M | 0.11% | −55,419−3.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,670,538 | $48.9M | 0.14% | −206,756−11.0% | Reduced |
| Goldman Sachs Group Inc | 1,658,349 | $48.5M | 0.01% | +957,050+136.5% | Added |
| King Luther Capital Management Corp | 1,537,871 | $45.0M | 0.21% | +259,576+20.3% | Added |
| Ameriprise Financial Inc | 1,523,809 | $44.6M | 0.01% | +656,872+75.8% | Added |
| Standard Life Aberdeen plc | 1,504,877 | $44.0M | 0.09% | −764,900−33.7% | Reduced |
| Wellington Management Group LLP | 1,477,811 | $43.2M | 0.01% | +283,848+23.8% | Added |
| Nomura Asset Management Co Ltd | 1,444,360 | $42.2M | 0.13% | +195,219+15.6% | Added |
| First Trust Advisors LP | 1,394,601 | $40.8M | 0.04% | −709,499−33.7% | Reduced |
| Schroder Investment Management Group | 1,338,268 | $39.0M | 0.04% | +470,676+54.3% | Added |
| JPMorgan Chase & Co | 1,326,258 | $38.8M | 0.00% | +187,977+16.5% | Added |
| TimesSquare Capital Management, LLC | 1,175,224 | $34.4M | 0.55% | +138,368+13.3% | Added |
| Cooper Creek Partners Management LLC | 1,173,223 | $34.3M | 1.11% | +586,110+99.8% | Added |
| Deutsche Bank AG | 1,151,008 | $33.7M | 0.01% | +507,769+78.9% | Added |
| Van Berkom & Associates Inc. | 1,121,927 | $32.8M | 1.05% | +1,121,927 | New |
| Qube Research & Technologies Ltd | 1,110,427 | $32.5M | 0.05% | +1,110,427 | New |
| UBS Group AG | 1,078,508 | $31.5M | 0.01% | +443,305+69.8% | Added |
| Nuveen, LLC | 1,000,445 | $29.3M | 0.01% | +1,000,445 | New |
| Premier Fund Managers Ltd | 1,000,403 | $29.2M | 1.09% | −499,597−33.3% | Reduced |
| Two Sigma Investments, LP | 986,937 | $28.9M | 0.06% | +484,890+96.6% | Added |
| M&G Plc | 966,092 | $28.0M | 0.13% | +959,390+14,315.0% | Added |
| Wells Fargo & Company | 942,019 | $27.6M | 0.01% | −43,349−4.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 923,075 | $27.3M | 0.05% | −2,206,688−70.5% | Reduced |
| UBS Asset Management Americas Inc | 923,085 | $27.0M | 0.01% | +58,665+6.8% | Added |
| Value Holdings Management Co. LLC | 907,325 | $26.5M | 4.98% | +12,500+1.4% | Added |
| Royal Bank of Canada | 903,981 | $26.4M | 0.01% | −20,533−2.2% | Reduced |
| Fisher Asset Management, LLC | 865,037 | $25.3M | 0.01% | +133,016+18.2% | Added |
| Managed Asset Portfolios, LLC | 843,827 | $24.7M | 3.42% | +200,677+31.2% | Added |
| Rockefeller Capital Management L.P. | 840,373 | $24.6M | 0.06% | +22,935+2.8% | Added |
| Aviva PLC | 824,114 | $24.1M | 0.06% | +3760.0% | Added |
| Segall Bryant & Hamill, LLC | 784,719 | $23.0M | 0.35% | +180,567+29.9% | Added |
| Envestnet Asset Management Inc | 782,703 | $22.9M | 0.01% | +35,073+4.7% | Added |
| BNP Paribas Arbitrage, SA | 782,244 | $22.9M | 0.02% | +37,591+5.0% | Added |
| Bessemer Group Inc | 779,023 | $22.8M | 0.04% | −36,916−4.5% | Reduced |
| Bank of Nova Scotia | 751,143 | $22.0M | 0.05% | +109,283+17.0% | Added |
| Rhumbline Advisers | 744,411 | $21.8M | 0.02% | −5,911−0.8% | Reduced |
| Millennium Management LLC | 729,919 | $21.4M | 0.02% | +419,845+135.4% | Added |
| New York State Common Retirement Fund | 716,188 | $20.9M | 0.03% | +68,380+10.6% | Added |
| Rheos Capital Works Inc. | 684,000 | $20.0M | 1.63% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 666,692 | $19.5M | 0.02% | +666,692 | New |
| Principal Financial Group Inc | 621,677 | $18.2M | 0.01% | +1,960+0.3% | Added |
| Robeco Institutional Asset Management B.V. | 582,409 | $17.0M | 0.03% | +2,125+0.4% | Added |
| LPL Financial LLC | 573,013 | $16.7M | 0.01% | −27,974−4.7% | Reduced |
| Neumeier Poma Investment Counsel LLC | 549,921 | $16.1M | 1.73% | −153,915−21.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 535,674 | $15.7M | 0.01% | +193,037+56.3% | Added |
| Russell Investments Group, Ltd. | 532,520 | $15.6M | 0.02% | −12,854−2.4% | Reduced |
| J. Safra Sarasin Holding AG | 520,758 | $15.2M | 0.28% | −246,943−32.2% | Reduced |
| Swiss National Bank | 519,200 | $15.2M | 0.01% | −7,300−1.4% | Reduced |
| Balyasny Asset Management LLC | 513,488 | $15.0M | 0.04% | +432,380+533.1% | Added |
| Man Group plc | 507,162 | $14.8M | 0.04% | −79,253−13.5% | Reduced |
| Two Sigma Advisers, LP | 496,200 | $14.5M | 0.03% | +310,500+167.2% | Added |
| PGGM Investments | 490,333 | $14.3M | 0.19% | +331,473+208.7% | Added |
| California Public Employees Retirement System | 484,564 | $14.2M | 0.01% | −23,210−4.6% | Reduced |
| Federated Hermes, Inc. | 470,826 | $13.8M | 0.03% | +45,939+10.8% | Added |
| one8zero8, LLC | 470,520 | $13.8M | 3.25% | +19,220+4.3% | Added |
| Candriam Luxembourg S.C.A. | 456,675 | $13.4M | 0.08% | −321,405−41.3% | Reduced |
| Squarepoint Ops LLC | 444,176 | $13.0M | 0.03% | +254,729+134.5% | Added |
| Legal & General Group Plc | 440,392 | $12.9M | 0.00% | +11,738+2.7% | Added |
| Winslow Asset Management Inc | 439,559 | $12.9M | 2.84% | +8,659+2.0% | Added |
| Trillium Asset Management, LLC | 435,984 | $12.8M | 0.37% | −80,547−15.6% | Reduced |
| FMR LLC | 432,816 | $12.7M | 0.00% | −807,842−65.1% | Reduced |
| Toroso Investments, LLC | 429,548 | $12.6M | 0.11% | −3,383−0.8% | Reduced |
| iA Global Asset Management Inc. | 416,789 | $12.2M | 0.21% | +416,789 | New |
| Williams Jones Wealth Management, LLC. | 404,187 | $11.8M | 0.15% | −18,040−4.3% | Reduced |
| HSBC Holdings PLC | 401,504 | $11.7M | 0.01% | −55,554−12.2% | Reduced |
| SEI Investments Co | 394,323 | $11.5M | 0.01% | −123,763−23.9% | Reduced |
| Quantinno Capital Management LP | 378,259 | $11.1M | 0.07% | +284,332+302.7% | Added |
| Retirement Systems of Alabama | 376,998 | $11.0M | 0.04% | +710+0.2% | Added |
| Voloridge Investment Management, LLC | 373,021 | $10.9M | 0.04% | +373,021 | New |
| State of Wisconsin Investment Board | 369,493 | $10.8M | 0.03% | +27,591+8.1% | Added |
| Ninety One North America, Inc. | 365,726 | $10.7M | 0.72% | +93,013+34.1% | Added |