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, Q4 2023
Institutional positions in Tetra Tech Inc as of Dec 31, 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
- 510
- +45 vs. Q3 2023
- Shares held
- 47.2M
- +329.8K (+0.7%) vs. Q3 2023
- Total value
- $7.87B
- +$780.5M (+11.0%) vs. Q3 2023
- New holders
- 76
- 147 more added
- Sold out
- 31
- 204 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,540,476 | $924.9M | 0.02% | +210,747+4.0% | Added |
| Vanguard Group Inc | 5,153,853 | $860.3M | 0.02% | −33,924−0.7% | Reduced |
| Pictet Asset Management Holding SA | 2,789,702 | $465.7M | 0.51% | −166,734−5.6% | Reduced |
| Alliancebernstein L.P. | 2,637,734 | $440.3M | 0.17% | −10,337−0.4% | Reduced |
| Neuberger Berman Group LLC | 1,596,290 | $266.5M | 0.23% | +28,288+1.8% | Added |
| State Street Corp | 1,530,756 | $255.5M | 0.01% | +47,665+3.2% | Added |
| FIL Ltd | 1,391,216 | $232.2M | 0.24% | −144,335−9.4% | Reduced |
| Sarasin & Partners LLP | 1,221,928 | $204.0M | 2.24% | +189,049+18.3% | Added |
| Invesco Ltd. | 954,666 | $159.4M | 0.04% | +75,028+8.5% | Added |
| Geode Capital Management, LLC | 867,002 | $144.8M | 0.02% | +27,647+3.3% | Added |
| Amundi | 825,197 | $136.5M | 0.06% | −134,284−14.0% | Reduced |
| T. Rowe Price Investment Management, Inc. | 743,962 | $124.2M | 0.08% | +917+0.1% | Added |
| Morgan Stanley | 679,192 | $113.4M | 0.01% | +62,424+10.1% | Added |
| Bank of America Corp | 669,670 | $111.8M | 0.01% | −3,797−0.6% | Reduced |
| Norges Bank | 579,017 | $96.7M | 0.02% | +82,217+16.5% | Added |
| Allspring Global Investments Holdings, LLC | 558,350 | $93.2M | 0.15% | −66,199−10.6% | Reduced |
| First Trust Advisors LP | 515,711 | $86.1M | 0.09% | +41,860+8.8% | Added |
| Kames Capital plc | 492,477 | $82.2M | 1.31% | +492,477 | New |
| Bank of New York Mellon Corp | 485,107 | $81.0M | 0.02% | −3,400−0.7% | Reduced |
| Standard Life Aberdeen plc | 475,320 | $79.3M | 0.17% | +5,962+1.3% | Added |
| Northern Trust Corp | 462,602 | $77.2M | 0.01% | +3,311+0.7% | Added |
| Copeland Capital Management, LLC | 457,604 | $76.4M | 1.53% | −13,572−2.9% | Reduced |
| CI Private Wealth, LLC | 441,051 | $73.6M | 0.14% | +479+0.1% | Added |
| Charles Schwab Investment Management Inc | 439,007 | $73.3M | 0.02% | +15,169+3.6% | Added |
| Dimensional Fund Advisors LP | 421,535 | $70.4M | 0.02% | −49,070−10.4% | Reduced |
| Bowen Hanes & Co Inc | 397,055 | $66.3M | 2.00% | +17,590+4.6% | Added |
| DekaBank Deutsche Girozentrale | 356,664 | $59.1M | 0.12% | −39,946−10.1% | Reduced |
| WCM Investment Management, LLC | 339,938 | $57.1M | 0.16% | +8,394+2.5% | Added |
| Goldman Sachs Group Inc | 302,592 | $50.5M | 0.01% | −29,356−8.8% | Reduced |
| Candriam Luxembourg S.C.A. | 290,374 | $48.5M | 0.33% | +17,404+6.4% | Added |
| Wellington Management Group LLP | 286,261 | $47.8M | 0.01% | −97,979−25.5% | Reduced |
| Citadel Advisors LLC | 282,116 | $47.1M | 0.05% | +203,957+261.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 278,358 | $46.5M | 0.09% | −2,514−0.9% | Reduced |
| Vontobel Holding Ltd. | 275,269 | $46.0M | 0.38% | −1,267−0.5% | Reduced |
| JPMorgan Chase & Co | 272,920 | $45.6M | 0.00% | −36,737−11.9% | Reduced |
| Driehaus Capital Management LLC | 264,623 | $44.2M | 0.53% | +132,125+99.7% | Added |
| Robeco Schweiz AG | 236,690 | $39.5M | 0.66% | −1,043−0.4% | Reduced |
| Loomis Sayles & Co L P | 236,554 | $39.5M | 0.06% | −1,017−0.4% | Reduced |
| Nuveen Asset Management, LLC | 234,062 | $39.1M | 0.01% | +1,348+0.6% | Added |
| Neumeier Poma Investment Counsel LLC | 226,353 | $37.8M | 3.37% | +195+0.1% | Added |
| TimesSquare Capital Management, LLC | 217,230 | $36.3M | 0.53% | −19,120−8.1% | Reduced |
| Rockefeller Capital Management L.P. | 216,121 | $36.1M | 0.12% | −16,712−7.2% | Reduced |
| Agf Management Ltd | 215,667 | $36.0M | 0.21% | −44,427−17.1% | Reduced |
| Royal Bank of Canada | 214,117 | $35.7M | 0.01% | +34,003+18.9% | Added |
| Federated Hermes, Inc. | 209,225 | $34.9M | 0.09% | −32,253−13.4% | Reduced |
| FMR LLC | 206,902 | $34.5M | 0.00% | +83,739+68.0% | Added |
| Value Holdings Management Co. LLC | 205,765 | $34.3M | 6.94% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 200,023 | $33.4M | 0.14% | +13,964+7.5% | Added |
| Principal Financial Group Inc | 195,857 | $32.7M | 0.02% | −1,059−0.5% | Reduced |
| Millennium Management LLC | 195,684 | $32.7M | 0.03% | −72,011−26.9% | Reduced |
| Fernbridge Capital Management LP | 191,215 | $31.9M | 2.70% | +72,409+60.9% | Added |
| BNP Paribas Arbitrage, SA | 186,907 | $31.2M | 0.06% | +20,481+12.3% | Added |
| Managed Asset Portfolios, LLC | 185,544 | $31.0M | 4.70% | +460.0% | Added |
| Lord, Abbett & Co. LLC | 184,659 | $30.8M | 0.11% | −205,421−52.7% | Reduced |
| Wells Fargo & Company | 184,079 | $30.7M | 0.01% | +2,938+1.6% | Added |
| Rhumbline Advisers | 181,419 | $30.3M | 0.03% | −6,393−3.4% | Reduced |
| Allianz Asset Management GmbH | 179,375 | $29.9M | 0.06% | −75,750−29.7% | Reduced |
| Voya Investment Management LLC | 174,242 | $29.1M | 0.03% | +162,794+1,422.0% | Added |
| Envestnet Asset Management Inc | 168,093 | $28.1M | 0.01% | −1,705−1.0% | Reduced |
| Schroder Investment Management Group | 164,503 | $27.5M | 0.04% | +125,390+320.6% | Added |
| Bank of Nova Scotia | 160,861 | $26.9M | 0.05% | +3,430+2.2% | Added |
| Duff & Phelps Investment Management Co | 159,834 | $26.7M | 0.32% | −19,166−10.7% | Reduced |
| New York State Common Retirement Fund | 145,727 | $24.3M | 0.03% | −23,138−13.7% | Reduced |
| Credit Suisse AG | 145,070 | $24.2M | 0.02% | −2,369−1.6% | Reduced |
| Kennedy Capital Management, Inc. | 133,413 | $22.3M | 0.49% | −3,093−2.3% | Reduced |
| LPL Financial LLC | 122,568 | $20.5M | 0.01% | −410.0% | Reduced |
| Rheos Capital Works Inc. | 116,800 | $19.5M | 1.08% | −76,100−39.5% | Reduced |
| Trillium Asset Management, LLC | 105,453 | $17.6M | 0.48% | +3,718+3.7% | Added |
| Swiss National Bank | 104,900 | $17.5M | 0.01% | −12,100−10.3% | Reduced |
| Segall Bryant & Hamill, LLC | 104,867 | $17.5M | 0.34% | −1,575−1.5% | Reduced |
| California Public Employees Retirement System | 104,506 | $17.4M | 0.01% | −3,846−3.5% | Reduced |
| Winslow Asset Management Inc | 97,211 | $16.2M | 3.30% | +390+0.4% | Added |
| SEI Investments Co | 94,696 | $15.8M | 0.03% | −24,489−20.5% | Reduced |
| Cerity Partners LLC | 93,941 | $15.7M | 0.05% | −9,004−8.7% | Reduced |
| Renaissance Technologies LLC | 93,920 | $15.7M | 0.02% | +9,800+11.7% | Added |
| HSBC Holdings PLC | 92,971 | $15.5M | 0.01% | +8,166+9.6% | Added |
| Ameriprise Financial Inc | 92,948 | $15.5M | 0.00% | −103,388−52.7% | Reduced |
| Martingale Asset Management L P | 88,527 | $14.8M | 0.30% | −14,139−13.8% | Reduced |
| Zacks Investment Management | 86,994 | $14.5M | 0.18% | −14,183−14.0% | Reduced |
| UBS Asset Management Americas Inc | 80,431 | $13.4M | 0.01% | −5,503−6.4% | Reduced |
| Legal & General Group Plc | 79,911 | $13.3M | 0.00% | −3,759−4.5% | Reduced |
| Man Group plc | 79,177 | $13.2M | 0.04% | – | – |
| Retirement Systems of Alabama | 77,406 | $12.9M | 0.05% | +205+0.3% | Added |
| State of Wisconsin Investment Board | 76,970 | $12.8M | 0.04% | +5,283+7.4% | Added |
| Natixis | 75,918 | $12.7M | 0.10% | +3,842+5.3% | Added |
| Intrinsic Edge Capital Management LLC | 75,132 | $12.5M | 1.34% | −48,977−39.5% | Reduced |
| American International Group, Inc. | 72,004 | $12.0M | 0.05% | −3,098−4.1% | Reduced |
| Russell Investments Group, Ltd. | 70,522 | $11.8M | 0.02% | −3,699−5.0% | Reduced |
| Cubist Systematic Strategies, LLC | 67,608 | $11.3M | 0.14% | −2,409−3.4% | Reduced |
| Thornburg Investment Management Inc | 67,576 | $11.3M | 0.16% | −6,746−9.1% | Reduced |
| Sandler Capital Management | 67,409 | $11.3M | 1.45% | +34,515+104.9% | Added |
| Renaissance Investment Group LLC | 65,938 | $11.0M | 2.74% | +740+1.1% | Added |
| New York State Teachers Retirement System | 64,209 | $10.7M | 0.02% | −3,783−5.6% | Reduced |
| S&T Bank | 63,639 | $10.6M | 1.96% | −2,914−4.4% | Reduced |
| AXA S.A. | 63,234 | $10.6M | 0.03% | +34+0.1% | Added |
| Thematics Asset Management | 60,750 | $10.1M | 0.45% | −3,500−5.4% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 58,854 | $9.82M | 1.13% | −358−0.6% | Reduced |
| Fisher Asset Management, LLC | 58,354 | $9.74M | 0.01% | −278−0.5% | Reduced |
| Daiwa Securities Group Inc. | 58,080 | $9.70M | 0.06% | +46,300+393.0% | Added |
| Alpine Woods Capital Investors, LLC | 56,726 | $9.47M | 1.42% | +369+0.7% | Added |