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VANGUARD GROUP INC: AMBA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VANGUARD GROUP INC on AMBA, newest first. How the timeline and the estimate are built.

VANGUARD GROUP INC held 5,933,077 AMBA shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,933,077 shares
    Change vs previous 13F +49,499 shares

    0.01% of the 13F portfolio, value $509,058,006.

    13F-HR 0002100121-26-001018 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 298,076 shares
    • Vanguard Investments Australia, Ltd.: 9,827 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 41,873 shares
    • Vanguard Personalized Indexing Management, LLC: 5,389 shares
    • Vanguard Global Advisers, LLC: 15,968 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,873,539 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 3,688,405 shares

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 5,883,578 shares
    Share basis changed not comparable

    Membership change: VANGUARD ASSET MANAGEMENT, Ltd, Vanguard Personalized Indexing Management, LLC joined the group. <0.01% of the 13F portfolio, value $302,857,178.

    13F-HR 0002100121-26-000861 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 284,289 shares
    • Vanguard Investments Australia, Ltd.: 9,827 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 36,100 shares
    • Vanguard Personalized Indexing Management, LLC: 5,160 shares
    • Vanguard Global Advisers, LLC: 16,736 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,814,603 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 3,716,863 shares

    Acceptance time not in the bulk data set (spec §4.2).