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VANGUARD GROUP INC: ATEC position timeline

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

VANGUARD GROUP INC held 7,320,584 ATEC 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 7,320,584 shares
    Change vs previous 13F +354,239 shares

    <0.01% of the 13F portfolio, value $63,323,052.

    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: 847,952 shares
    • Vanguard Investments Australia, Ltd.: 29,041 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 76,808 shares
    • Vanguard Global Advisers, LLC: 45,979 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 5,122,681 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 1,198,123 shares

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

  2. period ended2026-03-31
    13F/A 6,966,345 shares
    Change vs previous 13F +82,719 shares

    <0.01% of the 13F portfolio, value $75,793,835.

    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: 795,985 shares
    • Vanguard Investments Australia, Ltd.: 29,041 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 76,808 shares
    • Vanguard Global Advisers, LLC: 45,979 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 4,913,779 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 1,104,753 shares

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

  3. period ended2025-12-31
    13F 6,883,626 shares
    Change vs previous 13F +68,568 shares

    <0.01% of the 13F portfolio, value $144,831,491.

    13F-HR 0000102909-26-000031 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 6,815,058 shares
    Change vs previous 13F +158,295 shares

    <0.01% of the 13F portfolio, value $99,090,942.

    13F-HR 0000102909-25-000353 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 6,656,763 shares
    Change vs previous 13F +641,991 shares

    <0.01% of the 13F portfolio, value $73,890,070.

    13F-HR 0001752724-25-185843 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 6,014,772 shares
    Change vs previous 13F +45,792 shares

    <0.01% of the 13F portfolio, value $60,989,789.

    13F-HR 0001752724-25-099331 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 5,968,980 shares
    Change vs previous 13F +47,797 shares

    <0.01% of the 13F portfolio, value $54,795,237.

    13F-HR 0001752724-25-022205 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 5,921,183 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $32,921,777.

    13F-HR 0001752724-24-248565 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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