Tetra TechTTEK
13F holders, Q2 2026 (June 30)554holders −38
47new positions
85sold out
8famous investors
$28.90avg. 13F price*
At the end of Q2 2026, 554 institutions reported holding Tetra Tech Inc. (TTEK) in their 13F filings, down 38 from Q1 2026. 47 opened new positions and 85 sold out. The largest holders were BlackRock, Inc. ($828.4M), Vanguard Portfolio Management LLC ($360.2M) and Vanguard Capital Management LLC ($338.8M). 8 famous investors held it, including Ray Dalio (0.1% of Bridgewater Associates's portfolio), Joel Greenblatt (0.0% of Gotham Asset Management's portfolio) and Steve Cohen (0.0% of Point72 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 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $160.2M |
| Exits | 85 | $418.8M |
All 13F filers, Q1 2026 → Q2 2026: 42,921,583 shares bought and 35,420,955 shares sold, net +7,500,628 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 554 holders
| BlackRock, Inc. | 0.01% | Add +7.0% | 28,675,276 | $828.4M |
| Vanguard Portfolio Management LLC | 0.02% | Reduce -1.4% | 12,467,970 | $360.2M |
| Vanguard Capital Management LLC | 0.01% | Add +0.1% | 11,725,738 | $338.8M |
| Capital International Investors | 0.07% | Add +2.3% | 11,651,238 | $336.6M |
| State Street Corp. | 0.01% | Add +1.3% | 9,761,640 | $282.0M |
| FMR LLC | 0.01% | Add +2571.3% | 8,768,611 | $253.3M |
| Geode Capital Management, LLC | 0.01% | Add +31.0% | 6,833,071 | $197.4M |
| FIL Ltd | 0.11% | Add +13.2% | 5,471,691 | $158.1M |
| Amundi | 0.04% | Add +7.3% | 5,098,519 | $147.3M |
| Fuller & Thaler Asset Management, Inc. | 0.39% | Add +48.5% | 4,921,268 | $142.2M |
| Pictet Asset Management Holding SA | 0.13% | Reduce -50.6% | 4,759,290 | $137.5M |
| Wellington Management Group LLP | 0.02% | Reduce -2.7% | 4,674,089 | $135.0M |
| Dimensional Fund Advisors LP | 0.02% | Add +17.3% | 4,446,215 | $128.5M |
| Neuberger Berman Group LLC | 0.09% | Reduce -39.4% | 4,408,987 | $127.4M |
| Arrowstreet Capital, Limited Partnership | 0.06% | Add +708.5% | 4,393,728 | $126.9M |
| Invesco Ltd. | 0.01% | Add +40.3% | 4,116,893 | $118.9M |
| AQR Capital Management | 0.04% | Add +171.5% | 4,111,603 | $117.1M |
| Impax Asset Management Group plc | 0.74% | Add +2.6% | 3,931,741 | $113.6M |
| LGT Group Foundation | 1.22% | Add +18.4% | 3,745,171 | $108.2M |
| Norges Bank | 0.01% | — | 3,230,988 | $93.3M |
| Robeco Schweiz AG | 1.44% | Add +35.5% | 3,099,250 | $89.5M |
| M&G PLC | 0.42% | Add +19.8% | 2,776,344 | $80.5M |
| Ameriprise Financial Inc. | 0.02% | Add +35.1% | 2,729,762 | $78.9M |
| Goldman Sachs Group Inc. | 0.01% | Add +37.4% | 2,647,910 | $76.5M |
| First Trust Advisors LP | 0.04% | Add +4.8% | 2,561,572 | $74.0M |
| Van Berkom & Associates Inc. | 2.30% | Add +8.0% | 2,469,392 | $71.3M |
| Energy Income Partners, LLC | 1.08% | New | 2,371,465 | $68.5M |
| Ninety One UK Ltd | 0.15% | Reduce -13.4% | 2,365,261 | $68.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.2% | 2,286,390 | $66.1M |
| Northern Trust Corp. | 0.01% | Reduce -3.2% | 2,245,716 | $64.9M |
| Bank of New York Mellon Corp | 0.01% | Reduce -10.5% | 2,101,030 | $60.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.07% | Add +8.5% | 2,081,631 | $60.1M |
| Bank of America Corp. | 0.00% | Add +44.2% | 1,977,679 | $57.1M |
| Allianz Asset Management GmbH | 0.05% | Add +14.3% | 1,976,969 | $57.1M |
| Morgan Stanley | 0.00% | Reduce -12.2% | 1,966,257 | $56.8M |
| PGGM Investments | 1.33% | Add +49.5% | 1,874,895 | $54.2M |
| UBS Group AG | 0.01% | Add +188.9% | 1,867,963 | $54.0M |
| Aviva PLC | 0.08% | Reduce -4.4% | 1,842,517 | $53.2M |
| Cooke & Bieler LP | 0.60% | New | 1,785,403 | $51.6M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +0.9% | 1,643,323 | $47.5M |
| Deutsche Bank AG | 0.01% | Reduce -10.1% | 1,558,916 | $45.0M |
| Corient Private Wealth LP | 0.06% | Add +11.8% | 1,554,196 | $44.9M |
| Neumeier Poma Investment Counsel LLC | 3.00% | Add +16.1% | 1,514,378 | $43.8M |
| Managed Asset Portfolios, LLC | 4.36% | Add +49.0% | 1,321,714 | $38.2M |
| Citadel Advisors | 0.02% | Reduce -26.0% | 1,287,534 | $37.2M |
| JPMorgan Chase & Co. | 0.00% | Add +24.3% | 1,136,843 | $33.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -3.6% | 1,106,392 | $32.0M |
| Quantinno Capital Management LP | 0.04% | Reduce -28.8% | 1,103,758 | $31.9M |
| Aberdeen Group plc | 0.04% | Reduce -24.8% | 1,068,968 | $30.9M |
| Capital Research Global Investors | 0.00% | Reduce -7.4% | 1,020,653 | $29.5M |
| Point72 Asset Management | 0.05% | Add +86.5% | 1,011,149 | $29.2M |
| Nuveen, LLC | 0.01% | Add +3.3% | 967,569 | $28.0M |
| Nomura Asset Management Co. Ltd. | 0.06% | Add +8.4% | 954,294 | $27.6M |
| Legal & General Group Plc | 0.01% | Add +3.5% | 945,909 | $27.3M |
| L1 Capital International Pty Ltd | 1.57% | Reduce -3.2% | 925,433 | $26.7M |
| Pacer Advisors, Inc. | 0.07% | Add +1163.5% | 910,227 | $26.3M |
| Value Holdings Management Co. LLC | 4.38% | No change | 907,325 | $26.2M |
| Royal Bank of Canada | 0.00% | Add +5.1% | 887,837 | $25.6M |
| Wells Fargo & Company | 0.00% | Reduce -4.5% | 841,158 | $24.3M |
| BNP Paribas Financial Markets | 0.01% | Add +19.9% | 833,747 | $24.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +31.3% | 767,634 | $22.2M |
| Robeco Institutional Asset Management B.V. | 0.03% | Add +5.2% | 743,831 | $21.5M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.04% | Add +18.3% | 712,884 | $20.6M |
| Gotham Asset Management | 0.05% | Add +263.4% | 708,634 | $20.5M |
| Rhumbline Advisers | 0.02% | Reduce -2.8% | 693,805 | $20.0M |
| Mirova | 0.71% | Add +9.5% | 669,611 | $19.3M |
| Trillium Asset Management, LLC | 0.58% | Add +7.9% | 647,910 | $18.7M |
| Fisher Asset Management | 0.01% | Add +5.7% | 647,795 | $18.7M |
| Squarepoint Ops LLC | 0.04% | Add +53.8% | 641,945 | $18.5M |
| Bank of Nova Scotia | 0.03% | Add +6.7% | 629,088 | $18.2M |
| HSBC Holdings PLC | 0.01% | Add +45.9% | 628,625 | $18.0M |
| Bridgewater Associates | 0.07% | Add +184.3% | 608,211 | $17.6M |
| Principal Financial Group Inc. | 0.01% | Add +1.0% | 589,240 | $17.0M |
| Schroder Investment Management Group | 0.01% | Reduce -33.1% | 578,614 | $16.7M |
| King Luther Capital Management Corp. | 0.07% | Reduce -68.1% | 569,160 | $16.4M |
| California Public Employees Retirement System | 0.01% | Add +6.1% | 528,661 | $15.3M |
| HRT Financial LP | 0.03% | New | 502,154 | $14.5M |
| Swiss National Bank | 0.01% | Add +1.3% | 497,200 | $14.4M |
| Ninety One North America, Inc. | 0.66% | Add +17.6% | 485,767 | $14.0M |
| Systematic Financial Management LP | 0.28% | Add +67.8% | 481,101 | $13.9M |
| Sarasin & Partners LLP | 0.16% | Add +8.4% | 472,902 | $13.7M |
| Balyasny Asset Management L.P. | 0.02% | Add +5.1% | 456,640 | $13.2M |
| SG Americas Securities, LLC | 0.01% | Add +3.6% | 451,073 | $13.0M |
| Handelsbanken Fonder AB | 0.04% | Add +7.4% | 449,922 | $13.0M |
| Barclays PLC | 0.00% | Reduce -0.7% | 440,903 | $12.7M |
| one8zero8, LLC | 2.52% | Reduce -2.4% | 440,672 | $12.7M |
| Winslow Asset Management Inc. | 2.20% | Add +1.1% | 437,305 | $12.6M |
| Retirement Systems of Alabama | 0.04% | Reduce -10.7% | 428,289 | $12.4M |
| Perpetual Ltd | 0.18% | Add +14.8% | 426,947 | $12.3M |
| Voloridge Investment Management, LLC | 0.05% | Add +18.0% | 419,712 | $12.1M |
| Algert Global LLC | 0.14% | Add +105.4% | 415,099 | $12.0M |
| Nicola Wealth Management LTD. | 1.37% | No change | 411,000 | $11.9M |
| Premier Fund Managers Ltd | 1.07% | Reduce -49.3% | 408,394 | $11.8M |
| Mackenzie Financial Corp. | 0.01% | Add +208.5% | 401,964 | $11.6M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -11.2% | 373,426 | $10.8M |
| Osprey Private Wealth LLC | 2.71% | Reduce -0.0% | 363,295 | $10.5M |
| Van Eck Associates Corp. | 0.01% | Add +1.5% | 352,058 | $10.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -88.0% | 335,361 | $10.1M |
| Intech Investment Management LLC | 0.09% | Add +8.1% | 334,455 | $9.7M |
| Canada Pension Plan Investment Board | 0.01% | Add +99.5% | 319,600 | $9.2M |
"% of holder's portfolio" is TTEK's weight in each manager's 13F, not the share of Tetra Tech Inc. the manager owns.