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VANGUARD GROUP INC: ALRM position timeline

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

VANGUARD GROUP INC held 6,588,708 ALRM 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 6,588,708 shares
    Change vs previous 13F +54,778 shares

    <0.01% of the 13F portfolio, value $307,824,438.

    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: 329,224 shares
    • Vanguard Investments Australia, Ltd.: 12,548 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 45,928 shares
    • Vanguard Personalized Indexing Management, LLC: 5,086 shares
    • Vanguard Global Advisers, LLC: 19,500 shares
    • Vanguard National Trust Co: 25 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 2,141,371 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 4,035,026 shares

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

  2. period ended2026-03-31
    13F/A 6,533,930 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $282,200,438.

    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: 341,978 shares
    • Vanguard Investments Australia, Ltd.: 10,414 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 44,916 shares
    • Vanguard Personalized Indexing Management, LLC: 6,761 shares
    • Vanguard Global Advisers, LLC: 20,071 shares
    • Vanguard National Trust Co: 25 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 2,154,062 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 3,955,703 shares

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