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Why Celestica (CLS) Stock Is Down Today

Investivoq PriceTracker

Celestica (CLS) is down 9.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver is a mix of profit-taking, a recent quantitative-rating downgrade, and investor caution ahead of Celestica’s late-October earnings report and analyst day. Recent insider sales appear to have added another layer of pressure, even though the company has continued to highlight new AI networking products and growth initiatives.

Details:

  • Market commentary tied this week’s pullback to a ratings-service downgrade from Strong to Neutral after a sharp prior run in the shares.
  • Celestica has already scheduled its third-quarter 2026 financial results and 2026 investor and analyst day for October 27, which can create short-term caution as traders reduce risk before a major update.
  • An SEC Form 4 filed on September 24 showed CEO Robert Mionis sold shares on September 23 under a Rule 10b5-1 trading plan, while another Form 4 showed CFO Mandeep Chawla sold shares on July 31 under a similar plan.
  • Celestica also announced a new DS6005 data-center switch for AI fabrics on October 12, suggesting the selloff looks more tied to sentiment and positioning than to a negative operating announcement from the company.

    • Sources:

    SEC, Celestica, Investing.com

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

    $CLS Insider Trading Activity

    CLS Insider Trades

    $CLS insiders have traded $CLS stock on the open market 150 times in the past 6 months. Of those trades, 0 have been purchases and 150 have been sales.

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

    • ROBERT MIONIS (Chief Executive Officer) has made 0 purchases and 109 sales selling 345,949 shares for an estimated $130,689,066.
    • MANDEEP CHAWLA (Chief Financial Officer) has made 0 purchases and 39 sales selling 34,000 shares for an estimated $13,070,061.
    • TODD C COOPER (President) sold 20,118 shares for an estimated $7,242,480
    • MICHAEL MAX WILSON sold 4,168 shares for an estimated $1,389,236

    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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    $CLS Hedge Fund Activity

    We have seen 492 institutional investors add shares of $CLS stock to their portfolio, and 339 decrease their positions in their most recent quarter.

    Here are some of the largest recent moves:

    • JPMORGAN CHASE & CO added 3,874,584 shares (+inf%) to their portfolio in Q2 2026, for an estimated $1,413,448,243
    • D. E. SHAW & CO., INC. added 1,782,300 shares (+1898.8%) to their portfolio in Q2 2026, for an estimated $650,183,040
    • VIKING GLOBAL INVESTORS LP removed 1,654,989 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $603,739,987
    • FMR LLC added 886,587 shares (+11.7%) to their portfolio in Q2 2026, for an estimated $323,426,937
    • WINSLOW CAPITAL MANAGEMENT, LLC added 714,367 shares (+inf%) to their portfolio in Q2 2026, for an estimated $260,601,081
    • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP removed 669,153 shares (-30.5%) from their portfolio in Q2 2026, for an estimated $244,107,014
    • BLACKROCK, INC. removed 628,200 shares (-50.6%) from their portfolio in Q2 2026, for an estimated $229,167,360

    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.

    $CLS Analyst Ratings

    Wall Street analysts have issued reports on $CLS in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

    Here are some recent analyst ratings:

    • Rothschild & Co issued a "Buy" rating on 05/01/2026
    • JP Morgan issued a "Overweight" rating on 04/29/2026

    To track analyst ratings and price targets for $CLS, check out Investivoq's $CLS forecast page.

    $CLS Price Targets

    Multiple analysts have issued price targets for $CLS recently. We have seen 10 analysts offer price targets for $CLS in the last 6 months, with a median target of $435.0.

    Here are some recent targets:

    • Mike Harrison from Rothschild & Co set a target price of $460.0 on 05/01/2026
    • Tim Long from Barclays set a target price of $441.0 on 04/29/2026
    • Mehdi Hosseini from Susquehanna set a target price of $510.0 on 04/29/2026
    • Atif Malik from Citigroup set a target price of $415.0 on 04/29/2026
    • John Shao from TD Cowen set a target price of $430.0 on 04/29/2026
    • Paul Treiber from RBC Capital set a target price of $440.0 on 04/29/2026
    • Samik Chatterjee from JP Morgan set a target price of $425.0 on 04/29/2026

    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.