TETRA TECH INC (TTEK) Institutional Ownership Changes & 13F Activity

TETRA TECH INC (TTEK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Polen Capital Management, Third Avenue Management, and Hancock Classic Value.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-55,100453,600$13,662,432
Q1 2026Sequoia Financial AdvisorsSell-2,9437,723$232,617
Q4 2025Sequoia Financial AdvisorsBuy4,33810,666$357,738
Q4 2025Renaissance Technologies LLCBuy1,000508,700$17,061,798
Q3 2025Renaissance Technologies LLCBuy115,200507,700$16,947,026
Q3 2025Sequoia Financial AdvisorsSell-44,8306,328$211,229
Q2 2025Renaissance Technologies LLCBuy127,500392,500$14,114,300
Q1 2025Renaissance Technologies LLCSell-389,800265,000$7,751,250
Q1 2025Polen Capital ManagementSell-29,10114,061$411,284
Q4 2024Renaissance Technologies LLCBuy393,200654,800$26,087,232
Q4 2024Polen Capital ManagementBuy20,03843,162$1,719,574
Q4 2024Sequoia Financial AdvisorsBuy2,84851,158$2,038,145
Q3 2024Renaissance Technologies LLCBuy253,780261,600$12,337,056
Q3 2024Sequoia Financial AdvisorsBuy38,79748,310$2,278,306
Q3 2024Polen Capital ManagementBuy19,81523,124$1,090,528
Q2 2024Renaissance Technologies LLCSell-20,5007,820$1,599,034
Q2 2024Sequoia Financial AdvisorsBuy4,0539,513$1,945,219
Q2 2024Polen Capital ManagementBuy3,3093,309$676,624
Q1 2024Renaissance Technologies LLCSell-65,60028,320$5,231
Q1 2024Sequoia Financial AdvisorsBuy2285,460$1,008,517
Q4 2023Renaissance Technologies LLCBuy9,80093,920$15,678
Q4 2023Sequoia Financial AdvisorsBuy5,2325,232$873,378
Q3 2023Renaissance Technologies LLCBuy32,19384,120$12,789
Q1 2023Renaissance Technologies LLCSell-215,79351,927$7,629
Q4 2022Renaissance Technologies LLCSell-33,100267,720$38,870
Q3 2022Renaissance Technologies LLCBuy30,700300,820$38,664
Q2 2022Renaissance Technologies LLCBuy253,900270,120$36,885
Q2 2021Renaissance Technologies LLCSell-3,80016,220$1,979
Q3 2020Renaissance Technologies LLCSell-120,00020,020$1,912
Q2 2020Renaissance Technologies LLCBuy3,300140,020$11,078

Frequently asked questions about TTEK activity

  • Which institutional owners are buying TTEK?

    Institutional owners buying TTEK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TTEK activity?

    "Buy" means an investor increased their reported position in TTEK compared to the prior reporting period. This reflects growing exposure to TETRA TECH INC (TTEK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TTEK increasing?

    Institutional interest in TTEK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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