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, Q3 2023
Institutional positions in Tetra Tech Inc as of Sep 30, 2023. 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
- 471
- +22 vs. Q2 2023
- Shares held
- 46.9M
- +3.36M (+7.7%) vs. Q2 2023
- Total value
- $7.09B
- −$8.48M (−0.1%) vs. Q2 2023
- New holders
- 62
- 152 more added
- Sold out
- 40
- 176 more reduced
6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,329,729 | $810.3M | 0.02% | −57,834−1.1% | Reduced |
| Vanguard Group Inc | 5,187,777 | $788.7M | 0.02% | −154,209−2.9% | Reduced |
| Pictet Asset Management Holding SA | 2,956,436 | $449.5M | 0.55% | +2,956,436 | New |
| Alliancebernstein L.P. | 2,648,071 | $402.6M | 0.17% | −38,025−1.4% | Reduced |
| Neuberger Berman Group LLC | 1,568,002 | $238.4M | 0.22% | −42,802−2.7% | Reduced |
| FIL Ltd | 1,535,551 | $233.4M | 0.27% | +211,879+16.0% | Added |
| State Street Corp | 1,483,091 | $225.5M | 0.01% | +3,501+0.2% | Added |
| Sarasin & Partners LLP | 1,032,879 | $157.0M | 1.96% | +115,765+12.6% | Added |
| Amundi | 959,481 | $148.1M | 0.07% | +70,979+8.0% | Added |
| Invesco Ltd. | 879,638 | $133.7M | 0.04% | +51,139+6.2% | Added |
| Geode Capital Management, LLC | 839,355 | $127.6M | 0.02% | +16,387+2.0% | Added |
| T. Rowe Price Investment Management, Inc. | 743,045 | $113.0M | 0.08% | +41,705+5.9% | Added |
| Bank of America Corp | 673,467 | $102.4M | 0.01% | +23,277+3.6% | Added |
| Allspring Global Investments Holdings, LLC | 624,549 | $95.0M | 0.17% | −26,485−4.1% | Reduced |
| Morgan Stanley | 616,768 | $93.8M | 0.01% | +34,259+5.9% | Added |
| Norges Bank | 496,800 | $75.5M | 0.02% | −2,493−0.5% | Reduced |
| Bank of New York Mellon Corp | 488,507 | $74.3M | 0.02% | −30,494−5.9% | Reduced |
| First Trust Advisors LP | 473,851 | $72.0M | 0.09% | +41,870+9.7% | Added |
| Copeland Capital Management, LLC | 471,176 | $71.6M | 1.54% | +2,552+0.5% | Added |
| Dimensional Fund Advisors LP | 470,605 | $71.6M | 0.02% | −72,651−13.4% | Reduced |
| Standard Life Aberdeen plc | 469,358 | $71.4M | 0.18% | −476,070−50.4% | Reduced |
| Northern Trust Corp | 459,291 | $69.8M | 0.01% | +5,705+1.3% | Added |
| CI Private Wealth, LLC | 440,572 | $67.0M | 0.15% | +477+0.1% | Added |
| Charles Schwab Investment Management Inc | 423,838 | $64.4M | 0.02% | −134,907−24.1% | Reduced |
| DekaBank Deutsche Girozentrale | 396,610 | $60.5M | 0.14% | −69,300−14.9% | Reduced |
| Lord, Abbett & Co. LLC | 390,080 | $59.3M | 0.22% | +76,348+24.3% | Added |
| Wellington Management Group LLP | 384,240 | $58.4M | 0.01% | −4,665−1.2% | Reduced |
| Bowen Hanes & Co Inc | 379,465 | $57.7M | 1.94% | −340−0.1% | Reduced |
| Goldman Sachs Group Inc | 331,948 | $50.5M | 0.01% | −33,838−9.3% | Reduced |
| WCM Investment Management, LLC | 331,544 | $50.3M | 0.15% | +50,629+18.0% | Added |
| JPMorgan Chase & Co | 309,657 | $47.1M | 0.01% | −35,564−10.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 280,872 | $42.7M | 0.09% | +24,002+9.3% | Added |
| Vontobel Holding Ltd. | 276,536 | $42.0M | 0.39% | +13,578+5.2% | Added |
| Millennium Management LLC | 267,695 | $40.7M | 0.04% | −213,852−44.4% | Reduced |
| Agf Management Ltd | 260,094 | $39.5M | 0.28% | −14,811−5.4% | Reduced |
| Allianz Asset Management GmbH | 255,125 | $38.8M | 0.08% | −21,969−7.9% | Reduced |
| Federated Hermes, Inc. | 241,478 | $36.7M | 0.10% | +400+0.2% | Added |
| Robeco Schweiz AG | 237,733 | $36.1M | 0.61% | +13,347+5.9% | Added |
| Loomis Sayles & Co L P | 237,571 | $36.1M | 0.06% | +2,981+1.3% | Added |
| TimesSquare Capital Management, LLC | 236,350 | $35.9M | 0.56% | +14,735+6.6% | Added |
| Rockefeller Capital Management L.P. | 232,833 | $35.4M | 0.14% | −33,790−12.7% | Reduced |
| Nuveen Asset Management, LLC | 232,714 | $35.4M | 0.01% | −22,116−8.7% | Reduced |
| Neumeier Poma Investment Counsel LLC | 226,158 | $34.4M | 3.36% | −6,530−2.8% | Reduced |
| Value Holdings Management Co. LLC | 205,765 | $31.3M | 6.90% | 00.0% | Unchanged |
| Principal Financial Group Inc | 196,916 | $29.9M | 0.02% | −3,374−1.7% | Reduced |
| Ameriprise Financial Inc | 196,336 | $29.8M | 0.01% | +109,480+126.0% | Added |
| Rheos Capital Works Inc. | 192,900 | $29.3M | 1.77% | −71,400−27.0% | Reduced |
| Rhumbline Advisers | 187,812 | $28.6M | 0.03% | +6,816+3.8% | Added |
| Nomura Asset Management Co Ltd | 186,059 | $28.3M | 0.13% | −1,283−0.7% | Reduced |
| Managed Asset Portfolios, LLC | 185,498 | $28.2M | 4.32% | −1,272−0.7% | Reduced |
| Wells Fargo & Company | 181,141 | $27.5M | 0.01% | +135,956+300.9% | Added |
| Royal Bank of Canada | 180,114 | $27.4M | 0.01% | +147,288+448.7% | Added |
| Duff & Phelps Investment Management Co | 179,000 | $27.2M | 0.36% | −20,000−10.1% | Reduced |
| Envestnet Asset Management Inc | 169,798 | $25.8M | 0.01% | +81,297+91.9% | Added |
| New York State Common Retirement Fund | 168,865 | $25.7M | 0.04% | −6,722−3.8% | Reduced |
| BNP Paribas Arbitrage, SA | 166,426 | $25.3M | 0.06% | +150,060+916.9% | Added |
| Bank of Nova Scotia | 157,431 | $23.9M | 0.06% | +157,431 | New |
| Janney Montgomery Scott LLC | 148,581 | $22.6M | 0.08% | +142,347+2,283.4% | Added |
| Credit Suisse AG | 147,439 | $22.4M | 0.02% | −5,725−3.7% | Reduced |
| Kennedy Capital Management, Inc. | 136,506 | $20.8M | 0.51% | +5,497+4.2% | Added |
| Driehaus Capital Management LLC | 132,498 | $20.1M | 0.26% | +28,385+27.3% | Added |
| Intrinsic Edge Capital Management LLC | 124,109 | $18.9M | 2.33% | +124,109 | New |
| FMR LLC | 123,163 | $18.7M | 0.00% | +682+0.6% | Added |
| LPL Financial LLC | 122,609 | $18.6M | 0.01% | +14,156+13.1% | Added |
| SEI Investments Co | 119,185 | $18.1M | 0.03% | −2,108−1.7% | Reduced |
| Fernbridge Capital Management LP | 118,806 | $18.1M | 1.74% | +118,806 | New |
| Schonfeld Strategic Advisors LLC | 117,193 | $17.8M | 0.16% | +112,134+2,216.5% | Added |
| Swiss National Bank | 117,000 | $17.8M | 0.01% | +1,200+1.0% | Added |
| California Public Employees Retirement System | 108,352 | $16.5M | 0.01% | −1,736−1.6% | Reduced |
| Segall Bryant & Hamill, LLC | 106,442 | $16.2M | 0.19% | −677−0.6% | Reduced |
| Cerity Partners LLC | 102,945 | $15.7M | 0.08% | −684−0.7% | Reduced |
| Martingale Asset Management L P | 102,666 | $15.6M | 0.33% | −10,333−9.1% | Reduced |
| Trillium Asset Management, LLC | 101,735 | $15.5M | 0.47% | +5,314+5.5% | Added |
| Zacks Investment Management | 101,177 | $15.4M | 0.20% | −22,358−18.1% | Reduced |
| Winslow Asset Management Inc | 96,821 | $14.7M | 3.41% | −2,079−2.1% | Reduced |
| UBS Asset Management Americas Inc | 85,934 | $13.1M | 0.01% | +5,441+6.8% | Added |
| HSBC Holdings PLC | 84,805 | $13.0M | 0.01% | +84,805 | New |
| Renaissance Technologies LLC | 84,120 | $12.8M | 0.02% | +84,120 | New |
| Legal & General Group Plc | 83,670 | $12.7M | 0.00% | +87+0.1% | Added |
| Citadel Advisors LLC | 78,159 | $11.9M | 0.01% | +72,466+1,272.9% | Added |
| Retirement Systems of Alabama | 77,201 | $11.7M | 0.05% | −2,099−2.6% | Reduced |
| American International Group, Inc. | 75,102 | $11.4M | 0.07% | −5,275−6.6% | Reduced |
| Thornburg Investment Management Inc | 74,322 | $11.3M | 0.19% | −4,450−5.6% | Reduced |
| Russell Investments Group, Ltd. | 74,221 | $11.3M | 0.02% | +31,745+74.7% | Added |
| Natixis | 72,076 | $11.0M | 0.09% | −12,677−15.0% | Reduced |
| State of Wisconsin Investment Board | 71,687 | $10.9M | 0.03% | −4,155−5.5% | Reduced |
| Cooper Creek Partners Management LLC | 71,357 | $10.8M | 0.66% | +71,357 | New |
| Cubist Systematic Strategies, LLC | 70,017 | $10.6M | 0.13% | +70,017 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 68,457 | $10.4M | 0.05% | +68,457 | New |
| New York State Teachers Retirement System | 67,992 | $10.3M | 0.02% | −1,601−2.3% | Reduced |
| S&T Bank | 66,553 | $10.1M | 1.95% | −2,821−4.1% | Reduced |
| Renaissance Investment Group LLC | 65,198 | $9.91M | 2.76% | −136−0.2% | Reduced |
| Thematics Asset Management | 64,250 | $9.77M | 0.48% | 00.0% | Unchanged |
| AXA S.A. | 63,200 | $9.61M | 0.03% | −571−0.9% | Reduced |
| Los Angeles Capital Management LLC | 62,499 | $9.50M | 0.04% | −11,157−15.1% | Reduced |
| Verition Fund Management LLC | 62,016 | $9.43M | 0.13% | +62,016 | New |
| Smith, Graham & Co., Investment Advisors, LP | 59,212 | $9.00M | 1.12% | −562−0.9% | Reduced |
| California State Teachers Retirement System | 58,868 | $8.95M | 0.01% | −5,753−8.9% | Reduced |
| Fisher Asset Management, LLC | 58,632 | $8.91M | 0.01% | +482+0.8% | Added |
| National Bank of Canada | 56,480 | $8.78M | 0.02% | −10.0% | Reduced |