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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 26,581,181 | $955.9M | 0.02% | −604,614−2.2% | Reduced |
| BlackRock, Inc. | 25,695,493 | $924.0M | 0.02% | −743,985−2.8% | Reduced |
| Pictet Asset Management Holding SA | 13,848,101 | $498.0M | 0.51% | −654,839−4.5% | Reduced |
| State Street Corp | 11,941,739 | $429.4M | 0.02% | +1,262,811+11.8% | Added |
| Neuberger Berman Group LLC | 8,903,128 | $320.2M | 0.25% | −37,620−0.4% | Reduced |
| Amundi | 6,763,413 | $214.0M | 0.07% | +88,193+1.3% | Added |
| Alliancebernstein L.P. | 5,875,571 | $211.3M | 0.07% | −265,653−4.3% | Reduced |
| Sands Capital Management, LLC | 5,200,335 | $187.0M | 0.54% | +1,089,599+26.5% | Added |
| Geode Capital Management, LLC | 4,961,961 | $178.5M | 0.01% | −28,070−0.6% | Reduced |
| Sarasin & Partners LLP | 4,683,576 | $168.4M | 1.68% | +55,012+1.2% | Added |
| FIL Ltd | 4,652,399 | $167.3M | 0.14% | +192,635+4.3% | Added |
| Dimensional Fund Advisors LP | 3,545,098 | $127.5M | 0.03% | +443,806+14.3% | Added |
| Bank of America Corp | 2,969,645 | $106.8M | 0.01% | −25,697−0.9% | Reduced |
| Norges Bank | 2,915,542 | $104.8M | 0.01% | −152,721−5.0% | Reduced |
| Citadel Advisors LLC | 2,873,560 | $103.3M | 0.09% | +670,241+30.4% | Added |
| LGT Group Foundation | 2,802,268 | $100.8M | 1.26% | +68,211+2.5% | Added |
| Robeco Schweiz AG | 2,797,934 | $100.6M | 2.32% | −394,182−12.3% | Reduced |
| Ninety One UK Ltd | 2,791,912 | $100.4M | 0.24% | −198,350−6.6% | Reduced |
| Morgan Stanley | 2,694,666 | $96.9M | 0.01% | −336,326−11.1% | Reduced |
| Northern Trust Corp | 2,595,704 | $93.3M | 0.01% | −282,704−9.8% | Reduced |
| Invesco Ltd. | 2,530,185 | $91.0M | 0.02% | −1,105,541−30.4% | Reduced |
| Bank of New York Mellon Corp | 2,500,271 | $89.9M | 0.02% | +46,551+1.9% | Added |
| M&G Plc | 2,416,512 | $87.0M | 0.48% | +1,450,420+150.1% | Added |
| Ameriprise Financial Inc | 2,396,981 | $86.2M | 0.02% | +873,172+57.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,201,231 | $79.2M | 0.19% | +530,693+31.8% | Added |
| Charles Schwab Investment Management Inc | 2,111,086 | $75.9M | 0.01% | −20,207−0.9% | Reduced |
| Van Berkom & Associates Inc. | 2,062,811 | $74.2M | 2.21% | +940,884+83.9% | Added |
| Capital International Investors | 2,028,190 | $72.9M | 0.01% | −2240.0% | Reduced |
| Allianz Asset Management GmbH | 2,019,572 | $72.6M | 0.10% | −229,096−10.2% | Reduced |
| CI Private Wealth, LLC | 2,018,591 | $72.6M | 0.11% | −156,110−7.2% | Reduced |
| Copeland Capital Management, LLC | 1,853,487 | $66.7M | 1.37% | −147,834−7.4% | Reduced |
| Bowen Hanes & Co Inc | 1,836,390 | $66.0M | 1.67% | −19,285−1.0% | Reduced |
| Capital Research Global Investors | 1,787,103 | $64.3M | 0.01% | +1,787,103 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 1,756,430 | $63.2M | 0.12% | −20,260−1.1% | Reduced |
| King Luther Capital Management Corp | 1,643,157 | $59.1M | 0.26% | +105,286+6.8% | Added |
| Standard Life Aberdeen plc | 1,555,711 | $55.8M | 0.09% | +50,834+3.4% | Added |
| UBS Asset Management Americas Inc | 1,474,533 | $53.0M | 0.01% | +551,448+59.7% | Added |
| Wellington Management Group LLP | 1,384,387 | $49.8M | 0.01% | −93,424−6.3% | Reduced |
| First Trust Advisors LP | 1,302,069 | $46.8M | 0.04% | −92,532−6.6% | Reduced |
| Premier Fund Managers Ltd | 1,305,662 | $46.5M | 1.70% | +305,259+30.5% | Added |
| JPMorgan Chase & Co | 1,281,300 | $46.1M | 0.00% | −44,958−3.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,279,641 | $46.0M | 0.18% | −931,313−42.1% | Reduced |
| Freestone Grove Partners LP | 1,131,888 | $40.7M | 0.31% | +1,131,888 | New |
| Schroder Investment Management Group | 1,065,792 | $38.3M | 0.03% | −272,476−20.4% | Reduced |
| TimesSquare Capital Management, LLC | 1,047,796 | $37.7M | 0.54% | −127,428−10.8% | Reduced |
| Bornite Capital Management LP | 1,028,100 | $37.0M | 3.70% | +1,028,100 | New |
| UBS Group AG | 1,025,357 | $36.9M | 0.01% | −53,151−4.9% | Reduced |
| Aviva PLC | 992,511 | $35.7M | 0.07% | +168,397+20.4% | Added |
| Allspring Global Investments Holdings, LLC | 980,311 | $35.4M | 0.06% | +57,236+6.2% | Added |
| Goldman Sachs Group Inc | 970,432 | $34.9M | 0.01% | −687,917−41.5% | Reduced |
| Bessemer Group Inc | 970,018 | $34.9M | 0.06% | +190,995+24.5% | Added |
| Royal Bank of Canada | 963,665 | $34.7M | 0.01% | +59,684+6.6% | Added |
| iA Global Asset Management Inc. | 949,731 | $34.2M | 0.51% | +532,942+127.9% | Added |
| Fernbridge Capital Management LP | 943,423 | $33.9M | 1.62% | +943,423 | New |
| Segall Bryant & Hamill, LLC | 917,911 | $33.0M | 0.46% | +133,192+17.0% | Added |
| Wells Fargo & Company | 915,849 | $32.9M | 0.01% | −26,170−2.8% | Reduced |
| Nuveen, LLC | 912,904 | $32.8M | 0.01% | −87,541−8.8% | Reduced |
| Value Holdings Management Co. LLC | 907,325 | $32.6M | 5.76% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 906,233 | $32.6M | 0.02% | +370,559+69.2% | Added |
| Neumeier Poma Investment Counsel LLC | 887,501 | $31.9M | 2.97% | +337,580+61.4% | Added |
| Millennium Management LLC | 875,684 | $31.5M | 0.03% | +145,765+20.0% | Added |
| Nomura Asset Management Co Ltd | 864,889 | $31.1M | 0.09% | −579,471−40.1% | Reduced |
| Deutsche Bank AG | 862,953 | $31.0M | 0.01% | −288,055−25.0% | Reduced |
| Managed Asset Portfolios, LLC | 855,566 | $30.8M | 4.00% | +11,739+1.4% | Added |
| PGGM Investments | 831,733 | $29.9M | 0.52% | +341,400+69.6% | Added |
| Quantinno Capital Management LP | 792,149 | $28.5M | 0.12% | +413,890+109.4% | Added |
| BNP Paribas Arbitrage, SA | 769,648 | $27.7M | 0.02% | −12,596−1.6% | Reduced |
| Bank of Nova Scotia | 751,398 | $27.0M | 0.06% | +2550.0% | Added |
| Artemis Investment Management LLP | 746,543 | $26.8M | 0.35% | +641,837+613.0% | Added |
| Envestnet Asset Management Inc | 745,602 | $26.8M | 0.01% | −37,101−4.7% | Reduced |
| Rhumbline Advisers | 731,134 | $26.3M | 0.02% | −13,277−1.8% | Reduced |
| New York State Common Retirement Fund | 727,592 | $26.2M | 0.03% | +11,404+1.6% | Added |
| Fisher Asset Management, LLC | 725,624 | $26.1M | 0.01% | −139,413−16.1% | Reduced |
| Rockefeller Capital Management L.P. | 723,030 | $26.0M | 0.06% | −117,343−14.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 650,498 | $23.4M | 0.04% | +68,089+11.7% | Added |
| Principal Financial Group Inc | 598,353 | $21.5M | 0.01% | −23,324−3.8% | Reduced |
| Baillie Gifford & Co | 587,870 | $21.1M | 0.02% | +586,945+63,453.5% | Added |
| Jane Street Group, LLC | 560,562 | $20.2M | 0.03% | +560,562 | New |
| LPL Financial LLC | 543,895 | $19.6M | 0.01% | −29,118−5.1% | Reduced |
| Marshall Wace, LLP | 522,298 | $18.8M | 0.02% | +522,298 | New |
| California Public Employees Retirement System | 506,129 | $18.2M | 0.01% | +21,565+4.5% | Added |
| Candriam Luxembourg S.C.A. | 498,259 | $17.9M | 0.10% | +41,584+9.1% | Added |
| Russell Investments Group, Ltd. | 497,845 | $17.9M | 0.02% | −34,675−6.5% | Reduced |
| Ci Investments Inc. | 497,476 | $17.9M | 0.07% | +491,631+8,411.1% | Added |
| SEI Investments Co | 490,798 | $17.6M | 0.02% | +96,475+24.5% | Added |
| Swiss National Bank | 486,500 | $17.5M | 0.01% | −32,700−6.3% | Reduced |
| J. Safra Sarasin Holding AG | 479,740 | $17.3M | 0.30% | −41,018−7.9% | Reduced |
| one8zero8, LLC | 459,745 | $16.5M | 3.90% | −10,775−2.3% | Reduced |
| Winslow Asset Management Inc | 447,862 | $16.1M | 3.25% | +8,303+1.9% | Added |
| Legal & General Group Plc | 440,261 | $15.8M | 0.00% | −1310.0% | Reduced |
| Retirement Systems of Alabama | 425,827 | $15.3M | 0.05% | +48,829+13.0% | Added |
| Trillium Asset Management, LLC | 423,028 | $15.2M | 0.41% | −12,956−3.0% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 416,738 | $15.0M | 0.33% | +416,738 | New |
| Toroso Investments, LLC | 413,489 | $14.9M | 0.10% | −16,059−3.7% | Reduced |
| Renaissance Technologies LLC | 392,500 | $14.1M | 0.02% | +127,500+48.1% | Added |
| Ninety One North America, Inc. | 384,789 | $13.8M | 0.68% | +19,063+5.2% | Added |
| Price T Rowe Associates Inc | 374,847 | $13.5M | 0.00% | +185,192+97.6% | Added |
| HSBC Holdings PLC | 364,518 | $13.1M | 0.01% | −36,986−9.2% | Reduced |
| Kames Capital plc | 342,627 | $12.3M | 0.16% | −623−0.2% | Reduced |
| FMR LLC | 338,944 | $12.2M | 0.00% | −93,872−21.7% | Reduced |