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 2020Renaissance Technologies LLCBuy117,700136,720$9,655
Q4 2019Renaissance Technologies LLCBuy6,52019,020$1,639
Q1 2019Renaissance Technologies LLCSell-190,32012,500$745
Q4 2018Renaissance Technologies LLCBuy66,800202,820$10,500
Q4 2018Third Avenue ManagementSell-11,876119,797$6,202
Q3 2018Renaissance Technologies LLCSell-72,780136,020$9,290
Q3 2018Third Avenue ManagementSell-60131,673$8,994
Q2 2018Third Avenue ManagementBuy289131,733$7,707
Q1 2018Renaissance Technologies LLCBuy68,200208,800$10,221
Q4 2017Renaissance Technologies LLCSell-23,900140,600$6,770
Q3 2017Renaissance Technologies LLCBuy19,000164,500$7,657
Q2 2017Renaissance Technologies LLCSell-97,220145,500$6,657
Q2 2017Third Avenue ManagementSell-17,800131,444$6,014
Q1 2017Renaissance Technologies LLCBuy132,620242,720$9,915
Q4 2016Hancock Classic ValueSell-507,28286,524$3,734
Q4 2016Renaissance Technologies LLCBuy49,600110,100$4,751
Q4 2016Third Avenue ManagementSell-647149,244$6,440
Q3 2016Hancock Classic ValueSell-378,301593,806$21,062
Q3 2016Renaissance Technologies LLCSell-49,70060,500$2,146
Q3 2016Third Avenue ManagementBuy55149,891$5,317
Q2 2016Hancock Classic ValueSell-120,628972,107$29,887
Q2 2016Third Avenue ManagementSell-120,329149,836$4,607
Q2 2016Renaissance Technologies LLCBuy22,500110,200$3,388
Q1 2016Renaissance Technologies LLCSell-38,02087,700$2,615
Q1 2016Hancock Classic ValueBuy2,7491,092,735$32,585
Q1 2016Third Avenue ManagementBuy90270,165$8,056
Q4 2015Hancock Classic ValueSell-178,4431,089,986$28,361
Q4 2015Third Avenue ManagementSell-76,641270,075$7,027
Q4 2015Renaissance Technologies LLCBuy57,995125,720$3,271
Q3 2015Hancock Classic ValueSell-75,8251,268,429$30,836

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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