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 (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Ameriprise Financial Inc, Aqr Capital Management Llc, Alliancebernstein L.P., and Goldman Sachs Group Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Hbk Investments L PSell-151,105-63.2%87,923$2.54MQ2 2026Sep 16, 2026
Manufacturers Life Insurance Company, TheBuy+1,575+0.8%187,838$5.43MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+23+0.2%13,352$385.74KQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustSell-30-4.6%620$17.91KQ2 2026Sep 04, 2026
Citadel Advisors LlcSell-453,377-26.0%1,287,534$37.20MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+246,931+14.3%1,976,969$57.11MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+164,373+11.8%1,554,196$44.90MQ2 2026Aug 27, 2026
Groupe La FrancaiseBuy+12,00012,000$346.98KQ2 2026Aug 25, 2026
Vancity Investment Management LtdBuy+7,146+22.9%38,372$1.11MQ2 2026Aug 24, 2026
California State Teachers Retirement SystemSell-781-0.3%289,716$8.37MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+2,500+3.5%73,058$2.11MQ2 2026Aug 19, 2026
Public Employees Retirement System Of OhioSell-1,079-1.4%77,042$2.23MQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcSell-26-45.6%31$900.00Q2 2026Aug 17, 2026
Invesco Ltd.Buy+4,116,8934,116,893$118.94MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+2,729,7622,729,762$78.86MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+2,597,141+171.5%4,111,603$117.10MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Sell-2,472,104-88.1%335,361$10.10MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+721,242+37.4%2,647,910$76.50MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+606,543+44.2%1,977,679$57.14MQ2 2026Aug 14, 2026
Gotham Asset Management, LlcBuy+513,608+263.4%708,634$20.47MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+502,154502,154$14.51MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+468,882+86.5%1,011,149$29.21MQ2 2026Aug 14, 2026
Bridgewater Associates, LpBuy+394,266+184.3%608,211$17.57MQ2 2026Aug 14, 2026
Millennium Management LlcSell-255,075-95.7%11,498$332.18KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+224,602+53.8%641,945$18.55MQ2 2026Aug 14, 2026
Jane Street Group, LlcSell-198,405-95.9%8,401$242.71KQ2 2026Aug 14, 2026
Hsbc Holdings PlcBuy+197,653+45.9%628,625$17.95MQ2 2026Aug 14, 2026
Systematic Financial Management LpBuy+194,450+67.8%481,101$13.90MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+183,172+31.3%767,634$22.18MQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+162,950+8.5%2,081,631$60.14MQ2 2026Aug 14, 2026
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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.