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Why Tetra Tech (TTEK) Stock Is Down Today

Investivoq PriceTracker

Tetra Tech (TTEK) is down 4.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver appears to be investor caution ahead of Tetra Tech’s fiscal fourth-quarter and full-year 2026 earnings release, which was scheduled for after the market close on November 11. With no major negative filing or press release surfacing during the session, the drop looks more like pre-earnings risk reduction and profit-taking than a reaction to a newly confirmed operational setback.

Details:

  • Tetra Tech had already told investors it planned to release fourth-quarter and fiscal 2026 results after the close on November 11, with a conference call set for November 12.
  • In its most recent quarterly update, the company posted strong third-quarter 2026 results and highlighted growth excluding work tied to USAID, DOS, and episodic disaster response.
  • That same quarterly release pointed to demand tied to hyperscale AI data center power-system digital automation and cybersecurity work, showing that a key growth theme remained in place.
  • The board also approved an additional $500 million for share repurchases in September, so today’s decline does not appear to be tied to a recently announced capital allocation concern.

    • Sources:

    Tetra Tech, SEC, MarketBeat

    Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

    $TTEK Insider Trading Activity

    TTEK Insider Trades

    $TTEK insiders have traded $TTEK stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.

    Here’s a breakdown of recent trading of $TTEK stock by insiders over the last 6 months:

    • JEFFREY R FEELER purchased 1,900 shares for an estimated $50,179

    To track insider transactions, check out Investivoq's insider trading dashboard. You can access data on insider stock transactions through the Investivoq API insider transaction endpoint.

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    $TTEK Hedge Fund Activity

    We have seen 270 institutional investors add shares of $TTEK stock to their portfolio, and 294 decrease their positions in their most recent quarter.

    Here are some of the largest recent moves:

    • SANDS CAPITAL MANAGEMENT, LLC removed 7,007,004 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $202,432,345
    • VICTORY CAPITAL MANAGEMENT INC added 6,589,320 shares (+15759.4%) to their portfolio in Q3 2026, for an estimated $217,118,094
    • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 3,850,262 shares (+708.5%) to their portfolio in Q2 2026, for an estimated $111,234,069
    • FERNBRIDGE CAPITAL MANAGEMENT LP removed 3,400,775 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $98,248,389
    • NEUBERGER BERMAN GROUP LLC removed 2,860,670 shares (-39.4%) from their portfolio in Q2 2026, for an estimated $82,644,756
    • AQR CAPITAL MANAGEMENT LLC added 2,597,141 shares (+171.5%) to their portfolio in Q2 2026, for an estimated $75,031,403
    • ALLIANCEBERNSTEIN L.P. removed 2,472,104 shares (-88.1%) from their portfolio in Q2 2026, for an estimated $71,419,084

    To track hedge funds' stock portfolios, check out Investivoq's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Investivoq API 13F endpoint.

    $TTEK Government Contracts

    We have seen $495,964,600 of award payments to $TTEK over the last year.

    Here are some of the awards which we have have seen pay out the most over the last year:

    • OFFICE OF WEAPONS REMOVAL AND ABATEMENT HAS A HUMANITARIAN DEMINING REQUEST FOR INTERNATIONAL ASSISTANCE TO...: $30,594,419
    • SOW-FY26 SENTINEL (1 MAY 2026) WILL BE PROVIDED AS AN ATTACHMENT.: $30,402,764
    • LAOS HUMANITARIAN MINE ACTION/UXO RESPONSE TASK ORDER WITH A BASE YR AND 4-OPTION YEARS.: $16,518,746
    • LABOR PROGRAM MANAGEMENT/IT SUPPORT ENTERPRISE INFORMATION TECHNOLOGY SUPPORT SERVICES TO INCLUDE SOFTWARE ...: $16,287,400
    • NAVTAC II CONTRACT SBAS TASK ORDER 22: $11,997,974

    To track government contracts to publicy traded companies, check out Investivoq's government contracts dashboard. You can access data on government contracts through the Investivoq API government contracts endpoint.

    This article is not financial advice. See Investivoq's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.