Tetra TechTTEK
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 565 institutions reported holding Tetra Tech Inc. (TTEK) in their 13F filings, down 71 from Q4 2024. 63 opened new positions and 134 sold out. The largest holders were Vanguard Group Inc. ($795.2M), BlackRock, Inc. ($773.4M) and Pictet Asset Management Holding SA ($424.2M). 8 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Tetra Tech Inc.
- CUSIP
- 88162G103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $287.5M |
| Exits | 134 | $393.0M |
All 13F filers, Q4 2024 → Q1 2025: 36,573,688 shares bought and 28,353,614 shares sold, net +8,220,074 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 565 holders
| Vanguard Group Inc. | 0.01% | Add +4.9% | 27,185,795 | $795.2M |
| BlackRock, Inc. | 0.02% | Add +1.6% | 26,439,478 | $773.4M |
| Pictet Asset Management Holding SA | 0.47% | Add +3.5% | 14,502,940 | $424.2M |
| State Street Corp. | 0.01% | Add +15.3% | 10,678,928 | $312.4M |
| Neuberger Berman Group LLC | 0.22% | Add +2.6% | 8,940,748 | $261.5M |
| Amundi | 0.07% | Add +37.0% | 6,675,220 | $196.8M |
| Alliancebernstein L.P. | 0.07% | Reduce -21.8% | 6,141,224 | $179.6M |
| Geode Capital Management, LLC | 0.01% | Add +5.5% | 4,990,031 | $146.0M |
| Sarasin & Partners LLP | 1.47% | New | 4,628,564 | $135.4M |
| FIL Ltd | 0.12% | Reduce -7.4% | 4,459,764 | $130.4M |
| Sands Capital Management, LLC | 0.41% | Reduce -5.2% | 4,110,736 | $120.2M |
| Invesco Ltd. | 0.02% | Add +24.7% | 3,635,726 | $106.3M |
| Robeco Schweiz AG | 2.30% | Add +30.3% | 3,192,116 | $93.4M |
| Dimensional Fund Advisors LP | 0.02% | Add +55.2% | 3,101,292 | $90.7M |
| Norges Bank | 0.01% | Add +0.7% | 3,068,263 | $89.7M |
| Morgan Stanley | 0.01% | Add +29.8% | 3,030,992 | $88.7M |
| Bank of America Corp. | 0.01% | Add +15.5% | 2,995,342 | $87.6M |
| Ninety One UK Ltd | 0.24% | Add +26.4% | 2,990,262 | $87.5M |
| Northern Trust Corp. | 0.01% | Add +4.8% | 2,878,408 | $84.2M |
| LGT Group Foundation | 1.10% | Add +124.2% | 2,734,057 | $80.0M |
| Bank of New York Mellon Corp | 0.01% | Reduce -5.2% | 2,453,720 | $71.8M |
| Allianz Asset Management GmbH | 0.10% | Add +7.6% | 2,248,668 | $65.8M |
| Jacobs Levy Equity Management, Inc. | 0.26% | Reduce -2.5% | 2,210,954 | $64.7M |
| Citadel Advisors | 0.06% | Add +240.1% | 2,203,319 | $64.4M |
| Corient Private Wealth LP | 0.10% | Reduce -16.8% | 2,174,701 | $63.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.4% | 2,131,293 | $62.3M |
| Capital International Investors | 0.01% | Add +84.1% | 2,028,414 | $59.3M |
| Copeland Capital Management, LLC | 1.17% | Add +20.5% | 2,001,321 | $58.5M |
| Bowen Hanes & Co. Inc. | 1.51% | Reduce -8.4% | 1,855,675 | $54.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.11% | Reduce -3.0% | 1,776,690 | $52.0M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.14% | Reduce -11.0% | 1,670,538 | $48.9M |
| Goldman Sachs Group Inc. | 0.01% | Add +136.5% | 1,658,349 | $48.5M |
| King Luther Capital Management Corp. | 0.21% | Add +20.3% | 1,537,871 | $45.0M |
| Ameriprise Financial Inc. | 0.01% | Add +75.8% | 1,523,809 | $44.6M |
| Aberdeen Group plc | 0.09% | Reduce -33.7% | 1,504,877 | $44.0M |
| Wellington Management Group LLP | 0.01% | Add +23.8% | 1,477,811 | $43.2M |
| Nomura Asset Management Co. Ltd. | 0.13% | Add +15.6% | 1,444,360 | $42.2M |
| First Trust Advisors LP | 0.04% | Reduce -33.7% | 1,394,601 | $40.8M |
| Schroder Investment Management Group | 0.04% | Add +54.3% | 1,338,268 | $39.0M |
| JPMorgan Chase & Co. | 0.00% | Add +16.5% | 1,326,258 | $38.8M |
| TimesSquare Capital Management, LLC | 0.55% | Add +13.3% | 1,175,224 | $34.4M |
| Cooper Creek Partners Management LLC | 1.11% | Add +99.8% | 1,173,223 | $34.3M |
| Deutsche Bank AG | 0.01% | Add +78.9% | 1,151,008 | $33.7M |
| Van Berkom & Associates Inc. | 1.05% | New | 1,121,927 | $32.8M |
| Qube Research & Technologies Ltd | 0.05% | New | 1,110,427 | $32.5M |
| UBS Group AG | 0.01% | Add +69.8% | 1,078,508 | $31.5M |
| Nuveen, LLC | 0.01% | — | 1,000,445 | $29.3M |
| Premier Fund Managers Ltd | 1.09% | Reduce -33.3% | 1,000,403 | $29.2M |
| Two Sigma Investments, LP | 0.07% | Add +96.6% | 986,937 | $28.9M |
| M&G PLC | 0.18% | Add +14315.0% | 966,092 | $28.0M |
| Wells Fargo & Company | 0.01% | Reduce -4.4% | 942,019 | $27.6M |
| Allspring Global Investments Holdings, LLC | 0.05% | Reduce -70.5% | 923,075 | $27.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +6.8% | 923,085 | $27.0M |
| Value Holdings Management Co. LLC | 4.98% | Add +1.4% | 907,325 | $26.5M |
| Royal Bank of Canada | 0.01% | Reduce -2.2% | 903,981 | $26.4M |
| Fisher Asset Management | 0.01% | Add +18.2% | 865,037 | $25.3M |
| Managed Asset Portfolios, LLC | 3.42% | Add +31.2% | 843,827 | $24.7M |
| Rockefeller Capital Management L.P. | 0.06% | Add +2.8% | 840,373 | $24.6M |
| Aviva PLC | 0.06% | Add +0.1% | 824,114 | $24.1M |
| Segall Bryant & Hamill, LLC | 0.35% | Add +29.9% | 784,719 | $23.0M |
| Envestnet Asset Management Inc. | 0.01% | Add +4.7% | 782,703 | $22.9M |
| BNP Paribas Financial Markets | 0.02% | Add +5.0% | 782,244 | $22.9M |
| Bessemer Group Inc. | 0.04% | Reduce -4.5% | 779,023 | $22.8M |
| Bank of Nova Scotia | 0.05% | Add +17.0% | 751,143 | $22.0M |
| Rhumbline Advisers | 0.02% | Reduce -0.8% | 744,411 | $21.8M |
| Millennium Management | 0.02% | Add +135.4% | 729,919 | $21.4M |
| New York State Common Retirement Fund | 0.03% | Add +10.6% | 716,188 | $20.9M |
| Rheos Capital Works Inc. | 1.63% | No change | 684,000 | $20.0M |
| D. E. Shaw & Co. | 0.02% | New | 666,692 | $19.5M |
| Principal Financial Group Inc. | 0.01% | Add +0.3% | 621,677 | $18.2M |
| Robeco Institutional Asset Management B.V. | 0.03% | Add +0.4% | 582,409 | $17.0M |
| LPL Financial LLC | 0.01% | Reduce -4.7% | 573,013 | $16.7M |
| Neumeier Poma Investment Counsel LLC | 1.73% | Reduce -21.9% | 549,921 | $16.1M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +56.3% | 535,674 | $15.7M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -2.4% | 532,520 | $15.6M |
| J. Safra Sarasin Holding AG | 0.28% | Reduce -32.2% | 520,758 | $15.2M |
| Swiss National Bank | 0.01% | Reduce -1.4% | 519,200 | $15.2M |
| Balyasny Asset Management L.P. | 0.04% | Add +533.1% | 513,488 | $15.0M |
| Man Group plc | 0.05% | Reduce -13.5% | 507,162 | $14.8M |
| Two Sigma Advisers, LP | 0.03% | Add +167.2% | 496,200 | $14.5M |
| PGGM Investments | 0.19% | Add +208.7% | 490,333 | $14.3M |
| California Public Employees Retirement System | 0.01% | Reduce -4.6% | 484,564 | $14.2M |
| Federated Hermes, Inc. | 0.03% | Add +10.8% | 470,826 | $13.8M |
| one8zero8, LLC | 3.25% | Add +4.3% | 470,520 | $13.8M |
| Candriam S.C.A. | 0.08% | Reduce -41.3% | 456,675 | $13.4M |
| Squarepoint Ops LLC | 0.03% | Add +134.5% | 444,176 | $13.0M |
| Legal & General Group Plc | 0.00% | Add +2.7% | 440,392 | $12.9M |
| Winslow Asset Management Inc. | 2.84% | Add +2.0% | 439,559 | $12.9M |
| Trillium Asset Management, LLC | 0.37% | Reduce -15.6% | 435,984 | $12.8M |
| FMR LLC | 0.00% | Reduce -65.1% | 432,816 | $12.7M |
| Tidal Investments LLC | 0.11% | Reduce -0.8% | 429,548 | $12.6M |
| iA Global Asset Management Inc. | 0.21% | New | 416,789 | $12.2M |
| Williams Jones Wealth Management, LLC. | 0.15% | Reduce -4.3% | 404,187 | $11.8M |
| HSBC Holdings PLC | 0.01% | Reduce -12.2% | 401,504 | $11.7M |
| Sei Investments Co. | 0.01% | Reduce -23.9% | 394,323 | $11.5M |
| Quantinno Capital Management LP | 0.07% | Add +302.7% | 378,259 | $11.1M |
| Retirement Systems of Alabama | 0.04% | Add +0.2% | 376,998 | $11.0M |
| Voloridge Investment Management, LLC | 0.04% | New | 373,021 | $10.9M |
| State of Wisconsin Investment Board | 0.03% | Add +8.1% | 369,493 | $10.8M |
| Ninety One North America, Inc. | 0.72% | Add +34.1% | 365,726 | $10.7M |
"% of holder's portfolio" is TTEK's weight in each manager's 13F, not the share of Tetra Tech Inc. the manager owns.