Tetra TechTTEK
13F holders, Q4 2025 (December 31)610holders +15
71new positions
69sold out
9famous investors
$33.77avg. 13F price*
At the end of Q4 2025, 610 institutions reported holding Tetra Tech Inc. (TTEK) in their 13F filings, up 15 from Q3 2025. 71 opened new positions and 69 sold out. The largest holders were Vanguard Group Inc. ($865.4M), BlackRock, Inc. ($863.0M) and Pictet Asset Management Holding SA ($375.8M). 9 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Cliff Asness (0.1% of AQR Capital Management's portfolio).
- Company
- Tetra Tech Inc.
- CUSIP
- 88162G103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $190.5M |
| Exits | 69 | $106.9M |
All 13F filers, Q3 2025 → Q4 2025: 21,306,547 shares bought and 29,238,394 shares sold, net −7,931,847 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 610 holders
| Vanguard Group Inc. | 0.01% | Reduce -1.9% | 25,800,544 | $865.4M |
| BlackRock, Inc. | 0.01% | Add +0.9% | 25,731,629 | $863.0M |
| Pictet Asset Management Holding SA | 0.36% | Reduce -21.0% | 11,204,346 | $375.8M |
| State Street Corp. | 0.01% | Reduce -16.6% | 9,424,246 | $316.1M |
| Capital International Investors | 0.05% | Add +27.4% | 9,016,577 | $302.4M |
| Neuberger Berman Group LLC | 0.21% | Reduce -7.5% | 8,351,221 | $280.1M |
| Sands Capital Management, LLC | 0.71% | Reduce -2.4% | 7,007,004 | $235.0M |
| Amundi | 0.05% | Reduce -11.5% | 5,095,797 | $170.9M |
| Geode Capital Management, LLC | 0.01% | Add +1.0% | 5,082,342 | $170.5M |
| FIL Ltd | 0.12% | Add +8.9% | 4,667,958 | $156.6M |
| Dimensional Fund Advisors LP | 0.03% | Add +2.3% | 3,676,680 | $123.3M |
| Norges Bank | 0.01% | — | 3,433,575 | $115.2M |
| Impax Asset Management Group plc | 0.67% | New | 3,208,190 | $107.6M |
| LGT Group Foundation | 1.13% | Add +2.8% | 3,061,289 | $104.0M |
| Alliancebernstein L.P. | 0.03% | Reduce -53.2% | 3,078,999 | $103.3M |
| Fernbridge Capital Management LP | 5.05% | Add +201.9% | 3,066,841 | $102.9M |
| AQR Capital Management | 0.05% | Add +351.6% | 2,875,372 | $96.4M |
| Ninety One UK Ltd | 0.20% | Reduce -2.3% | 2,802,991 | $94.0M |
| Ameriprise Financial Inc. | 0.02% | Add +3.1% | 2,613,627 | $87.7M |
| Invesco Ltd. | 0.01% | Add +11.3% | 2,570,107 | $86.2M |
| M&G PLC | 0.44% | Reduce -0.2% | 2,405,586 | $81.8M |
| Bank of New York Mellon Corp | 0.01% | Reduce -10.6% | 2,356,548 | $79.0M |
| Northern Trust Corp. | 0.01% | Reduce -7.9% | 2,350,923 | $78.8M |
| Robeco Schweiz AG | 1.76% | Reduce -1.3% | 2,347,104 | $78.7M |
| Morgan Stanley | 0.00% | Reduce -2.5% | 2,320,740 | $77.8M |
| Van Berkom & Associates Inc. | 2.22% | Add +11.0% | 2,292,595 | $76.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.3% | 2,158,990 | $72.4M |
| Aviva PLC | 0.12% | Add +4.9% | 2,039,264 | $68.4M |
| Bank of America Corp. | 0.00% | Reduce -33.0% | 2,019,711 | $67.7M |
| Janus Henderson Group PLC | 0.03% | Add +10.6% | 1,961,290 | $65.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.09% | Add +2.5% | 1,826,067 | $61.2M |
| Capital Research Global Investors | 0.01% | Reduce -0.6% | 1,775,766 | $59.6M |
| DekaBank Deutsche Girozentrale | 0.10% | No change | 279,017 | $59.1M |
| Copeland Capital Management, LLC | 1.25% | Reduce -5.7% | 1,663,090 | $55.8M |
| First Trust Advisors LP | 0.04% | Reduce -16.4% | 1,656,991 | $55.6M |
| King Luther Capital Management Corp. | 0.22% | Reduce -3.4% | 1,590,916 | $53.4M |
| Allianz Asset Management GmbH | 0.06% | Reduce -7.8% | 1,586,886 | $53.2M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -19.7% | 1,554,346 | $52.1M |
| Corient Private Wealth LP | 0.07% | Reduce -12.8% | 1,537,293 | $51.6M |
| Quantinno Capital Management LP | 0.10% | Reduce -0.9% | 1,518,014 | $50.9M |
| Aberdeen Group plc | 0.08% | Reduce -0.3% | 1,499,337 | $50.3M |
| Bessemer Group Inc. | 0.07% | Add +0.8% | 1,395,039 | $46.8M |
| Deutsche Bank AG | 0.02% | Reduce -0.0% | 1,385,807 | $46.5M |
| PGGM Investments | 0.73% | Add +25.6% | 1,381,017 | $46.3M |
| Nuveen, LLC | 0.01% | Add +130.8% | 1,216,328 | $40.8M |
| Premier Fund Managers Ltd | 2.22% | Reduce -20.0% | 1,136,135 | $38.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -6.9% | 1,132,951 | $38.0M |
| Neumeier Poma Investment Counsel LLC | 3.12% | Add +15.0% | 1,126,603 | $37.8M |
| Wellington Management Group LLP | 0.01% | Add +0.2% | 1,055,274 | $35.4M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +36.3% | 1,022,252 | $34.3M |
| BNP Paribas Financial Markets | 0.02% | Add +32.0% | 1,002,076 | $33.6M |
| Nomura Asset Management Co. Ltd. | 0.08% | Add +8.1% | 992,633 | $33.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -29.9% | 979,965 | $32.9M |
| Wells Fargo & Company | 0.01% | Add +0.9% | 924,219 | $31.0M |
| Value Holdings Management Co. LLC | 5.09% | No change | 907,325 | $30.4M |
| Bank of Nova Scotia | 0.04% | Add +8.2% | 901,305 | $30.2M |
| Royal Bank of Canada | 0.01% | Reduce -4.0% | 849,329 | $28.5M |
| Managed Asset Portfolios, LLC | 3.42% | Reduce -2.8% | 845,280 | $28.4M |
| Qube Research & Technologies Ltd | 0.04% | New | 834,712 | $28.0M |
| Robeco Institutional Asset Management B.V. | 0.04% | Reduce -4.1% | 739,904 | $24.8M |
| D. E. Shaw & Co. | 0.02% | Add +839.4% | 720,789 | $24.2M |
| iA Global Asset Management Inc. | 0.31% | Reduce -22.0% | 717,679 | $24.1M |
| Rhumbline Advisers | 0.02% | Reduce -3.0% | 699,465 | $23.5M |
| UBS Group AG | 0.00% | Reduce -44.1% | 665,738 | $22.3M |
| Millennium Management | 0.02% | Reduce -53.9% | 655,489 | $22.0M |
| Schroder Investment Management Group | 0.02% | Reduce -32.0% | 642,451 | $21.8M |
| Two Sigma Investments, LP | 0.03% | Add +29.3% | 636,749 | $21.4M |
| Fisher Asset Management | 0.01% | Reduce -12.4% | 621,198 | $20.8M |
| Tudor Investment Corporation | 0.12% | Add +851.8% | 612,982 | $20.6M |
| HSBC Holdings PLC | 0.01% | Add +32.5% | 589,538 | $19.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.05% | Add +52.2% | 578,456 | $19.4M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -24.9% | 566,801 | $19.0M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.6% | 562,301 | $18.9M |
| Rockefeller Capital Management L.P. | 0.03% | Reduce -3.8% | 555,452 | $18.6M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.04% | Reduce -69.9% | 523,199 | $17.5M |
| California Public Employees Retirement System | 0.01% | Reduce -2.2% | 517,368 | $17.4M |
| Handelsbanken Fonder AB | 0.05% | Add +108.4% | 516,043 | $17.3M |
| Renaissance Technologies | 0.03% | Add +0.2% | 508,700 | $17.1M |
| Swiss National Bank | 0.01% | Add +1.4% | 492,300 | $16.5M |
| Retirement Systems of Alabama | 0.05% | Reduce -0.8% | 473,610 | $15.9M |
| CI Investments Inc. | 0.07% | Reduce -1.6% | 467,127 | $15.7M |
| one8zero8, LLC | 3.37% | Reduce -1.6% | 460,446 | $15.4M |
| Gotham Asset Management | 0.06% | Reduce -6.9% | 453,470 | $15.2M |
| Winslow Asset Management Inc. | 2.73% | Reduce -0.3% | 441,600 | $14.8M |
| Algert Global LLC | 0.23% | Add +40.7% | 439,534 | $14.7M |
| Baillie Gifford & Co. | 0.01% | Reduce -18.0% | 428,775 | $14.4M |
| Erste Asset Management GmbH | 0.12% | Add +149.3% | 418,010 | $14.3M |
| Ninety One North America, Inc. | 0.56% | Add +2.8% | 415,535 | $13.9M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.7% | 413,523 | $13.9M |
| Sarasin & Partners LLP | 0.14% | Add +0.3% | 411,062 | $13.8M |
| Barclays PLC | 0.01% | Add +1.4% | 407,498 | $13.7M |
| Voloridge Investment Management, LLC | 0.05% | Add +1129.5% | 397,500 | $13.3M |
| Trillium Asset Management, LLC | 0.41% | Reduce -6.5% | 391,329 | $13.3M |
| Legal & General Group Plc | 0.00% | Reduce -9.4% | 383,220 | $12.9M |
| Man Group plc | 0.02% | Add +1686.8% | 379,293 | $12.7M |
| Nicola Wealth Management LTD. | 1.11% | New | 365,000 | $12.2M |
| FMR LLC | 0.00% | Add +4.1% | 353,230 | $11.8M |
| LPL Financial LLC | 0.00% | Reduce -30.4% | 346,019 | $11.6M |
| Osprey Private Wealth LLC | 3.32% | Add +12.6% | 344,025 | $11.5M |
| Mackenzie Financial Corp. | 0.01% | Reduce -5.8% | 331,969 | $11.3M |
"% of holder's portfolio" is TTEK's weight in each manager's 13F, not the share of Tetra Tech Inc. the manager owns.