Tetra TechTTEK
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 587 institutions reported holding Tetra Tech Inc. (TTEK) in their 13F filings, up 22 from Q1 2025. 99 opened new positions and 77 sold out. The largest holders were Vanguard Group Inc. ($955.9M), BlackRock, Inc. ($924.0M) and Pictet Asset Management Holding SA ($498.0M). 7 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Tetra Tech Inc.
- CUSIP
- 88162G103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 99 | $322.6M |
| Exits | 77 | $182.2M |
All 13F filers, Q1 2025 → Q2 2025: 24,488,244 shares bought and 20,444,215 shares sold, net +4,044,029 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 587 holders
| Vanguard Group Inc. | 0.02% | Reduce -2.2% | 26,581,181 | $955.9M |
| BlackRock, Inc. | 0.02% | Reduce -2.8% | 25,695,493 | $924.0M |
| Pictet Asset Management Holding SA | 0.51% | Reduce -4.5% | 13,848,101 | $498.0M |
| State Street Corp. | 0.02% | Add +11.8% | 11,941,739 | $429.4M |
| Neuberger Berman Group LLC | 0.25% | Reduce -0.4% | 8,903,128 | $320.2M |
| Amundi | 0.07% | Add +1.3% | 6,763,413 | $214.0M |
| Alliancebernstein L.P. | 0.07% | Reduce -4.3% | 5,875,571 | $211.3M |
| Sands Capital Management, LLC | 0.54% | Add +26.5% | 5,200,335 | $187.0M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.6% | 4,961,961 | $178.5M |
| Sarasin & Partners LLP | 1.68% | Add +1.2% | 4,683,576 | $168.4M |
| FIL Ltd | 0.14% | Add +4.3% | 4,652,399 | $167.3M |
| Dimensional Fund Advisors LP | 0.03% | Add +14.3% | 3,545,098 | $127.5M |
| Bank of America Corp. | 0.01% | Reduce -0.9% | 2,969,645 | $106.8M |
| Norges Bank | 0.01% | Reduce -5.0% | 2,915,542 | $104.8M |
| Citadel Advisors | 0.09% | Add +30.4% | 2,873,560 | $103.3M |
| LGT Group Foundation | 1.26% | Add +2.5% | 2,802,268 | $100.8M |
| Robeco Schweiz AG | 2.32% | Reduce -12.3% | 2,797,934 | $100.6M |
| Ninety One UK Ltd | 0.24% | Reduce -6.6% | 2,791,912 | $100.4M |
| Morgan Stanley | 0.01% | Reduce -11.1% | 2,694,666 | $96.9M |
| Northern Trust Corp. | 0.01% | Reduce -9.8% | 2,595,704 | $93.3M |
| Invesco Ltd. | 0.02% | Reduce -30.4% | 2,530,185 | $91.0M |
| Bank of New York Mellon Corp | 0.02% | Add +1.9% | 2,500,271 | $89.9M |
| M&G PLC | 0.50% | Add +150.1% | 2,416,512 | $87.0M |
| Ameriprise Financial Inc. | 0.02% | Add +57.3% | 2,396,981 | $86.2M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.19% | Add +31.8% | 2,201,231 | $79.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -0.9% | 2,111,086 | $75.9M |
| Van Berkom & Associates Inc. | 2.21% | Add +83.9% | 2,062,811 | $74.2M |
| Capital International Investors | 0.01% | Reduce -0.0% | 2,028,190 | $72.9M |
| Allianz Asset Management GmbH | 0.10% | Reduce -10.2% | 2,019,572 | $72.6M |
| Corient Private Wealth LP | 0.10% | Reduce -7.2% | 2,018,591 | $72.6M |
| Copeland Capital Management, LLC | 1.37% | Reduce -7.4% | 1,853,487 | $66.7M |
| Bowen Hanes & Co. Inc. | 1.67% | Reduce -1.0% | 1,836,390 | $66.0M |
| Capital Research Global Investors | 0.01% | New | 1,787,103 | $64.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.12% | Reduce -1.1% | 1,756,430 | $63.2M |
| King Luther Capital Management Corp. | 0.26% | Add +6.8% | 1,643,157 | $59.1M |
| Aberdeen Group plc | 0.09% | Add +3.4% | 1,555,711 | $55.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +59.7% | 1,474,533 | $53.0M |
| Wellington Management Group LLP | 0.01% | Reduce -6.3% | 1,384,387 | $49.8M |
| First Trust Advisors LP | 0.04% | Reduce -6.6% | 1,302,069 | $46.8M |
| Premier Fund Managers Ltd | 1.70% | Add +30.5% | 1,305,662 | $46.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -3.4% | 1,281,300 | $46.1M |
| Jacobs Levy Equity Management, Inc. | 0.18% | Reduce -42.1% | 1,279,641 | $46.0M |
| Freestone Grove Partners LP | 0.31% | New | 1,131,888 | $40.7M |
| Schroder Investment Management Group | 0.03% | Reduce -20.4% | 1,065,792 | $38.3M |
| TimesSquare Capital Management, LLC | 0.54% | Reduce -10.8% | 1,047,796 | $37.7M |
| Bornite Capital Management LP | 3.70% | New | 1,028,100 | $37.0M |
| UBS Group AG | 0.01% | Reduce -4.9% | 1,025,357 | $36.9M |
| Aviva PLC | 0.07% | Add +20.4% | 992,511 | $35.7M |
| Allspring Global Investments Holdings, LLC | 0.06% | Add +6.2% | 980,311 | $35.4M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -41.5% | 970,432 | $34.9M |
| Bessemer Group Inc. | 0.06% | Add +24.5% | 970,018 | $34.9M |
| Royal Bank of Canada | 0.01% | Add +6.6% | 963,665 | $34.7M |
| iA Global Asset Management Inc. | 0.51% | Add +127.9% | 949,731 | $34.2M |
| Fernbridge Capital Management LP | 1.62% | New | 943,423 | $33.9M |
| Segall Bryant & Hamill, LLC | 0.46% | Add +17.0% | 917,911 | $33.0M |
| Wells Fargo & Company | 0.01% | Reduce -2.8% | 915,849 | $32.9M |
| Nuveen, LLC | 0.01% | Reduce -8.8% | 912,904 | $32.8M |
| Value Holdings Management Co. LLC | 5.76% | No change | 907,325 | $32.6M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +69.2% | 906,233 | $32.6M |
| Neumeier Poma Investment Counsel LLC | 2.97% | Add +61.4% | 887,501 | $31.9M |
| Millennium Management | 0.03% | Add +20.0% | 875,684 | $31.5M |
| Nomura Asset Management Co. Ltd. | 0.09% | Reduce -40.1% | 864,889 | $31.1M |
| Deutsche Bank AG | 0.01% | Reduce -25.0% | 862,953 | $31.0M |
| Managed Asset Portfolios, LLC | 4.00% | Add +1.4% | 855,566 | $30.8M |
| PGGM Investments | 0.52% | Add +69.6% | 831,733 | $29.9M |
| Quantinno Capital Management LP | 0.12% | Add +109.4% | 792,149 | $28.5M |
| BNP Paribas Financial Markets | 0.02% | Reduce -1.6% | 769,648 | $27.7M |
| Bank of Nova Scotia | 0.06% | Add +0.0% | 751,398 | $27.0M |
| Artemis Investment Management LLP | 0.35% | Add +613.0% | 746,543 | $26.8M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -4.7% | 745,602 | $26.8M |
| Rhumbline Advisers | 0.02% | Reduce -1.8% | 731,134 | $26.3M |
| New York State Common Retirement Fund | 0.03% | Add +1.6% | 727,592 | $26.2M |
| Fisher Asset Management | 0.01% | Reduce -16.1% | 725,624 | $26.1M |
| Rockefeller Capital Management L.P. | 0.06% | Reduce -14.0% | 723,030 | $26.0M |
| Robeco Institutional Asset Management B.V. | 0.04% | Add +11.7% | 650,498 | $23.4M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.8% | 598,353 | $21.5M |
| Baillie Gifford & Co. | 0.02% | Add +63453.5% | 587,870 | $21.1M |
| Jane Street Group, LLC | 0.03% | New | 560,562 | $20.2M |
| LPL Financial LLC | 0.01% | Reduce -5.1% | 543,895 | $19.6M |
| Marshall Wace, LLP | 0.02% | New | 522,298 | $18.8M |
| California Public Employees Retirement System | 0.01% | Add +4.5% | 506,129 | $18.2M |
| Candriam S.C.A. | 0.10% | Add +9.1% | 498,259 | $17.9M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -6.5% | 497,845 | $17.9M |
| CI Investments Inc. | 0.07% | Add +8411.1% | 497,476 | $17.9M |
| Sei Investments Co. | 0.02% | Add +24.5% | 490,798 | $17.6M |
| Swiss National Bank | 0.01% | Reduce -6.3% | 486,500 | $17.5M |
| J. Safra Sarasin Holding AG | 0.30% | Reduce -7.9% | 479,740 | $17.3M |
| one8zero8, LLC | 3.90% | Reduce -2.3% | 459,745 | $16.5M |
| Winslow Asset Management Inc. | 3.25% | Add +1.9% | 447,862 | $16.1M |
| Legal & General Group Plc | 0.00% | Reduce -0.0% | 440,261 | $15.8M |
| Retirement Systems of Alabama | 0.05% | Add +12.9% | 425,827 | $15.3M |
| Trillium Asset Management, LLC | 0.41% | Reduce -3.0% | 423,028 | $15.2M |
| Susquehanna Portfolio Strategies, LLC | 0.33% | New | 416,738 | $15.0M |
| Tidal Investments LLC | 0.10% | Reduce -3.7% | 413,489 | $14.9M |
| Renaissance Technologies | 0.02% | Add +48.1% | 392,500 | $14.1M |
| Ninety One North America, Inc. | 0.68% | Add +5.2% | 384,789 | $13.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +97.7% | 374,847 | $13.5M |
| HSBC Holdings PLC | 0.01% | Reduce -9.2% | 364,518 | $13.1M |
| AEGON ASSET MANAGEMENT UK Plc | 0.16% | Reduce -0.2% | 342,627 | $12.3M |
| FMR LLC | 0.00% | Reduce -21.7% | 338,944 | $12.2M |
"% of holder's portfolio" is TTEK's weight in each manager's 13F, not the share of Tetra Tech Inc. the manager owns.