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VANGUARD GROUP INC: AMKR position timeline

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

VANGUARD GROUP INC held 17,414,431 AMKR 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 17,414,431 shares
    Change vs previous 13F +1,933,086 shares

    0.02% of the 13F portfolio, value $1,501,646,385.

    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: 760,465 shares
    • Vanguard Investments Australia, Ltd.: 31,349 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 118,147 shares
    • Vanguard Personalized Indexing Management, LLC: 37,534 shares
    • Vanguard Global Advisers, LLC: 53,303 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 6,701,080 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 9,712,553 shares

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

  2. period ended2026-03-31
    13F/A 15,481,345 shares
    Change vs previous 13F -259,048 shares

    0.01% of the 13F portfolio, value $697,124,966.

    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: 716,727 shares
    • Vanguard Investments Australia, Ltd.: 30,007 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 111,892 shares
    • Vanguard Personalized Indexing Management, LLC: 43,159 shares
    • Vanguard Global Advisers, LLC: 49,394 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 5,434,318 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 9,095,848 shares

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

  3. period ended2025-12-31
    13F 15,740,393 shares
    Change vs previous 13F -75,457 shares

    0.01% of the 13F portfolio, value $621,430,716.

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

    • VANGUARD GROUP INC: 15,704,172 shares
    • Vanguard Personalized Indexing Management, LLC: 36,221 shares

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

  4. period ended2025-09-30
    13F 15,815,850 shares
    Change vs previous 13F +686,691 shares

    0.01% of the 13F portfolio, value $449,170,160.

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

    • VANGUARD GROUP INC: 15,779,847 shares
    • Vanguard Personalized Indexing Management, LLC: 36,003 shares

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

  5. period ended2025-06-30
    13F 15,129,159 shares
    Change vs previous 13F -923,354 shares

    0.01% of the 13F portfolio, value $317,561,062.

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

    • VANGUARD GROUP INC: 15,091,947 shares
    • Vanguard Personalized Indexing Management, LLC: 37,212 shares

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

  6. period ended2025-03-31
    13F 16,052,513 shares
    Change vs previous 13F +365,935 shares

    0.01% of the 13F portfolio, value $289,908,380.

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

    • VANGUARD GROUP INC: 16,025,236 shares
    • Vanguard Personalized Indexing Management, LLC: 27,277 shares

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

  7. period ended2024-12-31
    13F 15,686,578 shares
    Change vs previous 13F +1,095,116 shares

    0.01% of the 13F portfolio, value $402,988,182.

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

    • VANGUARD GROUP INC: 15,664,226 shares
    • Vanguard Personalized Indexing Management, LLC: 22,352 shares

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

  8. period ended2024-09-30
    13F 14,591,462 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $446,498,749.

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

    • VANGUARD GROUP INC: 14,572,224 shares
    • Vanguard Personalized Indexing Management, LLC: 19,238 shares

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