Skip to content
Disclosery

VANGUARD GROUP INC: AMBQ position timeline

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

VANGUARD GROUP INC held 1,024,643 AMBQ 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 1,024,643 shares
    Change vs previous 13F +90,165 shares

    <0.01% of the 13F portfolio, value $90,475,977.

    13F-HR 0002100119-26-001527 filed by VANGUARD CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 83,127 shares
    • Vanguard Global Advisers, LLC: 3,087 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 768,539 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 169,890 shares

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

  2. period ended2026-03-31
    13F/A 934,478 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $23,745,086.

    13F-HR/A 0002100119-26-001311 filed by VANGUARD CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 65,042 shares
    • Vanguard Global Advisers, LLC: 3,131 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 707,404 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 158,901 shares

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