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 2025
Institutional positions in Tetra Tech Inc as of Jun 30, 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
- 590
- +29 vs. Q1 2025
- Shares held
- 249.4M
- +4.09M (+1.7%) vs. Q1 2025
- Total value
- $8.94B
- +$1.76B (+24.6%) vs. Q1 2025
- New holders
- 106
- 210 more added
- Sold out
- 77
- 202 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Winslow Asset Management Inc | 447,862 | $16.1M | 3.25% | +8,303+1.9% | Added |
| one8zero8, LLC | 459,745 | $16.5M | 3.90% | −10,775−2.3% | Reduced |
| J. Safra Sarasin Holding AG | 479,740 | $17.3M | 0.30% | −41,018−7.9% | Reduced |
| Swiss National Bank | 486,500 | $17.5M | 0.01% | −32,700−6.3% | Reduced |
| SEI Investments Co | 490,798 | $17.6M | 0.02% | +96,475+24.5% | Added |
| Ci Investments Inc. | 497,476 | $17.9M | 0.07% | +491,631+8,411.1% | Added |
| Russell Investments Group, Ltd. | 497,845 | $17.9M | 0.02% | −34,675−6.5% | Reduced |
| Candriam Luxembourg S.C.A. | 498,259 | $17.9M | 0.10% | +41,584+9.1% | Added |
| California Public Employees Retirement System | 506,129 | $18.2M | 0.01% | +21,565+4.5% | Added |
| Marshall Wace, LLP | 522,298 | $18.8M | 0.02% | +522,298 | New |
| LPL Financial LLC | 543,895 | $19.6M | 0.01% | −29,118−5.1% | Reduced |
| Jane Street Group, LLC | 560,562 | $20.2M | 0.03% | +560,562 | New |
| Baillie Gifford & Co | 587,870 | $21.1M | 0.02% | +586,945+63,453.5% | Added |
| Principal Financial Group Inc | 598,353 | $21.5M | 0.01% | −23,324−3.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 650,498 | $23.4M | 0.04% | +68,089+11.7% | Added |
| Rockefeller Capital Management L.P. | 723,030 | $26.0M | 0.06% | −117,343−14.0% | Reduced |
| Fisher Asset Management, LLC | 725,624 | $26.1M | 0.01% | −139,413−16.1% | Reduced |
| New York State Common Retirement Fund | 727,592 | $26.2M | 0.03% | +11,404+1.6% | Added |
| Rhumbline Advisers | 731,134 | $26.3M | 0.02% | −13,277−1.8% | Reduced |
| Envestnet Asset Management Inc | 745,602 | $26.8M | 0.01% | −37,101−4.7% | Reduced |
| Artemis Investment Management LLP | 746,543 | $26.8M | 0.35% | +641,837+613.0% | Added |
| Bank of Nova Scotia | 751,398 | $27.0M | 0.06% | +2550.0% | Added |
| BNP Paribas Arbitrage, SA | 769,648 | $27.7M | 0.02% | −12,596−1.6% | Reduced |
| Quantinno Capital Management LP | 792,149 | $28.5M | 0.12% | +413,890+109.4% | Added |
| PGGM Investments | 831,733 | $29.9M | 0.52% | +341,400+69.6% | Added |
| Managed Asset Portfolios, LLC | 855,566 | $30.8M | 4.00% | +11,739+1.4% | Added |
| Deutsche Bank AG | 862,953 | $31.0M | 0.01% | −288,055−25.0% | Reduced |
| Nomura Asset Management Co Ltd | 864,889 | $31.1M | 0.09% | −579,471−40.1% | Reduced |
| Millennium Management LLC | 875,684 | $31.5M | 0.03% | +145,765+20.0% | Added |
| Neumeier Poma Investment Counsel LLC | 887,501 | $31.9M | 2.97% | +337,580+61.4% | Added |
| Arrowstreet Capital, Limited Partnership | 906,233 | $32.6M | 0.02% | +370,559+69.2% | Added |
| Value Holdings Management Co. LLC | 907,325 | $32.6M | 5.76% | 00.0% | Unchanged |
| Nuveen, LLC | 912,904 | $32.8M | 0.01% | −87,541−8.8% | Reduced |
| Wells Fargo & Company | 915,849 | $32.9M | 0.01% | −26,170−2.8% | Reduced |
| Segall Bryant & Hamill, LLC | 917,911 | $33.0M | 0.46% | +133,192+17.0% | Added |
| Fernbridge Capital Management LP | 943,423 | $33.9M | 1.62% | +943,423 | New |
| iA Global Asset Management Inc. | 949,731 | $34.2M | 0.51% | +532,942+127.9% | Added |
| Royal Bank of Canada | 963,665 | $34.7M | 0.01% | +59,684+6.6% | Added |
| Bessemer Group Inc | 970,018 | $34.9M | 0.06% | +190,995+24.5% | Added |
| Goldman Sachs Group Inc | 970,432 | $34.9M | 0.01% | −687,917−41.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 980,311 | $35.4M | 0.06% | +57,236+6.2% | Added |
| Aviva PLC | 992,511 | $35.7M | 0.07% | +168,397+20.4% | Added |
| UBS Group AG | 1,025,357 | $36.9M | 0.01% | −53,151−4.9% | Reduced |
| Bornite Capital Management LP | 1,028,100 | $37.0M | 3.70% | +1,028,100 | New |
| TimesSquare Capital Management, LLC | 1,047,796 | $37.7M | 0.54% | −127,428−10.8% | Reduced |
| Schroder Investment Management Group | 1,065,792 | $38.3M | 0.03% | −272,476−20.4% | Reduced |
| Freestone Grove Partners LP | 1,131,888 | $40.7M | 0.31% | +1,131,888 | New |
| Jacobs Levy Equity Management, Inc | 1,279,641 | $46.0M | 0.18% | −931,313−42.1% | Reduced |
| JPMorgan Chase & Co | 1,281,300 | $46.1M | 0.00% | −44,958−3.4% | Reduced |
| Premier Fund Managers Ltd | 1,305,662 | $46.5M | 1.70% | +305,259+30.5% | Added |
| First Trust Advisors LP | 1,302,069 | $46.8M | 0.04% | −92,532−6.6% | Reduced |
| Wellington Management Group LLP | 1,384,387 | $49.8M | 0.01% | −93,424−6.3% | Reduced |
| UBS Asset Management Americas Inc | 1,474,533 | $53.0M | 0.01% | +551,448+59.7% | Added |
| Standard Life Aberdeen plc | 1,555,711 | $55.8M | 0.09% | +50,834+3.4% | Added |
| King Luther Capital Management Corp | 1,643,157 | $59.1M | 0.26% | +105,286+6.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 1,756,430 | $63.2M | 0.12% | −20,260−1.1% | Reduced |
| Capital Research Global Investors | 1,787,103 | $64.3M | 0.01% | +1,787,103 | New |
| Bowen Hanes & Co Inc | 1,836,390 | $66.0M | 1.67% | −19,285−1.0% | Reduced |
| Copeland Capital Management, LLC | 1,853,487 | $66.7M | 1.37% | −147,834−7.4% | Reduced |
| CI Private Wealth, LLC | 2,018,591 | $72.6M | 0.11% | −156,110−7.2% | Reduced |
| Allianz Asset Management GmbH | 2,019,572 | $72.6M | 0.10% | −229,096−10.2% | Reduced |
| Capital International Investors | 2,028,190 | $72.9M | 0.01% | −2240.0% | Reduced |
| Van Berkom & Associates Inc. | 2,062,811 | $74.2M | 2.21% | +940,884+83.9% | Added |
| Charles Schwab Investment Management Inc | 2,111,086 | $75.9M | 0.01% | −20,207−0.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,201,231 | $79.2M | 0.19% | +530,693+31.8% | Added |
| Ameriprise Financial Inc | 2,396,981 | $86.2M | 0.02% | +873,172+57.3% | Added |
| M&G Plc | 2,416,512 | $87.0M | 0.48% | +1,450,420+150.1% | Added |
| Bank of New York Mellon Corp | 2,500,271 | $89.9M | 0.02% | +46,551+1.9% | Added |
| Invesco Ltd. | 2,530,185 | $91.0M | 0.02% | −1,105,541−30.4% | Reduced |
| Northern Trust Corp | 2,595,704 | $93.3M | 0.01% | −282,704−9.8% | Reduced |
| Morgan Stanley | 2,694,666 | $96.9M | 0.01% | −336,326−11.1% | Reduced |
| Ninety One UK Ltd | 2,791,912 | $100.4M | 0.24% | −198,350−6.6% | Reduced |
| Robeco Schweiz AG | 2,797,934 | $100.6M | 2.32% | −394,182−12.3% | Reduced |
| LGT Group Foundation | 2,802,268 | $100.8M | 1.26% | +68,211+2.5% | Added |
| Citadel Advisors LLC | 2,873,560 | $103.3M | 0.09% | +670,241+30.4% | Added |
| Norges Bank | 2,915,542 | $104.8M | 0.01% | −152,721−5.0% | Reduced |
| Bank of America Corp | 2,969,645 | $106.8M | 0.01% | −25,697−0.9% | Reduced |
| Dimensional Fund Advisors LP | 3,545,098 | $127.5M | 0.03% | +443,806+14.3% | Added |
| FIL Ltd | 4,652,399 | $167.3M | 0.14% | +192,635+4.3% | Added |
| Sarasin & Partners LLP | 4,683,576 | $168.4M | 1.68% | +55,012+1.2% | Added |
| Geode Capital Management, LLC | 4,961,961 | $178.5M | 0.01% | −28,070−0.6% | Reduced |
| Sands Capital Management, LLC | 5,200,335 | $187.0M | 0.54% | +1,089,599+26.5% | Added |
| Alliancebernstein L.P. | 5,875,571 | $211.3M | 0.07% | −265,653−4.3% | Reduced |
| Amundi | 6,763,413 | $214.0M | 0.07% | +88,193+1.3% | Added |
| Neuberger Berman Group LLC | 8,903,128 | $320.2M | 0.25% | −37,620−0.4% | Reduced |
| State Street Corp | 11,941,739 | $429.4M | 0.02% | +1,262,811+11.8% | Added |
| Pictet Asset Management Holding SA | 13,848,101 | $498.0M | 0.51% | −654,839−4.5% | Reduced |
| BlackRock, Inc. | 25,695,493 | $924.0M | 0.02% | −743,985−2.8% | Reduced |
| Vanguard Group Inc | 26,581,181 | $955.9M | 0.02% | −604,614−2.2% | Reduced |
| Capital A Wealth Management, LLC | 16 | – | – | +16 | New |
| Cooper Creek Partners Management LLC | 0 | $0 | 0.00% | −1,173,223−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −1,110,427−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −513,488−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −496,200−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −444,176−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −373,021−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −296,678−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −237,198−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −189,021−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −175,000−100.0% | Sold out |