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VANGUARD GROUP INC: MKSI position timeline

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

VANGUARD GROUP INC held 7,314,889 MKSI 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 7,314,889 shares
    Change vs previous 13F +67,003 shares

    0.04% of the 13F portfolio, value $3,253,662,628.

    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: 428,157 shares
    • Vanguard Investments Australia, Ltd.: 17,012 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 63,975 shares
    • Vanguard Personalized Indexing Management, LLC: 19,130 shares
    • Vanguard Global Advisers, LLC: 29,728 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 3,049,560 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 3,707,327 shares

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

  2. period ended2026-03-31
    13F/A 7,247,886 shares
    Change vs previous 13F -257,895 shares

    0.02% of the 13F portfolio, value $1,665,636,681.

    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: 417,114 shares
    • Vanguard Investments Australia, Ltd.: 17,012 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 61,399 shares
    • Vanguard Personalized Indexing Management, LLC: 18,988 shares
    • Vanguard Global Advisers, LLC: 33,679 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 3,014,201 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 3,685,493 shares

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

  3. period ended2025-12-31
    13F 7,505,781 shares
    Change vs previous 13F -264,040 shares

    0.02% of the 13F portfolio, value $1,199,423,804.

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

    • VANGUARD GROUP INC: 7,487,305 shares
    • Vanguard Personalized Indexing Management, LLC: 18,476 shares

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

  4. period ended2025-09-30
    13F 7,769,821 shares
    Change vs previous 13F +295,268 shares

    0.01% of the 13F portfolio, value $961,670,745.

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

    • VANGUARD GROUP INC: 7,752,097 shares
    • Vanguard Personalized Indexing Management, LLC: 17,724 shares

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

  5. period ended2025-06-30
    13F 7,474,553 shares
    Change vs previous 13F +18,134 shares

    0.01% of the 13F portfolio, value $742,671,587.

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

    • VANGUARD GROUP INC: 7,456,617 shares
    • Vanguard Personalized Indexing Management, LLC: 17,936 shares

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

  6. period ended2025-03-31
    13F 7,456,419 shares
    Change vs previous 13F +5,020 shares

    0.01% of the 13F portfolio, value $597,631,983.

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

    • VANGUARD GROUP INC: 7,450,615 shares
    • Vanguard Personalized Indexing Management, LLC: 5,804 shares

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

  7. period ended2024-12-31
    13F 7,451,399 shares
    Change vs previous 13F +97,947 shares

    0.01% of the 13F portfolio, value $777,851,542.

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

    • VANGUARD GROUP INC: 7,445,956 shares
    • Vanguard Personalized Indexing Management, LLC: 5,443 shares

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

  8. period ended2024-09-30
    13F 7,353,452 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $799,393,766.

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

    • VANGUARD GROUP INC: 7,348,564 shares
    • Vanguard Personalized Indexing Management, LLC: 4,888 shares

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