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Tower Semiconductor Jumps as Record Results and AI-Linked Demand Lift Sentiment

Investivoq PriceTracker

Tower Semiconductor (TSEM) is up 10.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver is continued investor reaction to Tower Semiconductor’s recent record third-quarter results and unusually strong fourth-quarter outlook. The move also appears tied to enthusiasm around the company’s silicon photonics and silicon-germanium businesses, where management highlighted accelerating demand tied to AI infrastructure and high-speed connectivity.

Details:

  • Tower Semiconductor said third-quarter 2026 revenue reached a record $526 million, up 33% from a year earlier, while non-GAAP net profit rose to a record $120 million.
  • The company guided fourth-quarter revenue to about $600 million at the midpoint, implying 36% year-over-year growth and 14% sequential growth, a forecast that pointed to further acceleration.
  • Management described silicon photonics and SiGe infrastructure demand as a major growth engine, and said customer contracts supporting capacity expansion are being extended through 2029.
  • A recent multi-year expansion with Semtech added support for the AI-infrastructure narrative by securing dedicated SiGe capacity for optical and copper interconnect products used in next-generation data centers.

    • Sources:

    SEC, Tower Semiconductor Investor Relations, Yahoo Finance

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

    $TSEM Insider Trading Activity

    $TSEM insiders have traded $TSEM stock on the open market 38 times in the past 6 months. Of those trades, 0 have been purchases and 38 have been sales.

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

    • RUSSELL CRAIG ELLWANGER (Chief Executive Officer) has made 0 purchases and 37 sales selling 248,499 shares for an estimated $59,958,538.
    • YOAV CHELOUCHE sold 232 shares for an estimated $49,893

    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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    $TSEM Hedge Fund Activity

    We have seen 207 institutional investors add shares of $TSEM stock to their portfolio, and 263 decrease their positions in their most recent quarter.

    Here are some of the largest recent moves:

    • ANDAR CAPITAL MANAGEMENT HK LTD removed 28,067,120 shares (-99.7%) from their portfolio in Q3 2026, for an estimated $6,383,305,101
    • MEITAV INVESTMENT HOUSE LTD removed 1,777,487 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $463,284,211
    • JANE STREET GROUP, LLC added 1,737,977 shares (+146.0%) to their portfolio in Q2 2026, for an estimated $452,986,325
    • PHOENIX FINANCIAL LTD. removed 1,133,269 shares (-32.3%) from their portfolio in Q3 2026, for an estimated $257,739,368
    • WHALE ROCK CAPITAL MANAGEMENT LLC removed 1,066,737 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $278,034,331
    • BLACKROCK, INC. removed 979,231 shares (-22.9%) from their portfolio in Q2 2026, for an estimated $255,226,767
    • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 928,208 shares (+inf%) to their portfolio in Q2 2026, for an estimated $241,928,133

    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.

    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.