Skip to content
Disclosery

VANGUARD GROUP INC: OII position timeline

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

VANGUARD GROUP INC held 13,298,109 OII 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 13,298,109 shares
    Change vs previous 13F +377,087 shares

    0.01% of the 13F portfolio, value $538,839,376.

    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: 711,899 shares
    • Vanguard Investments Australia, Ltd.: 24,979 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 79,314 shares
    • Vanguard Personalized Indexing Management, LLC: 28,326 shares
    • Vanguard Global Advisers, LLC: 41,385 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 4,485,268 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 7,926,938 shares

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

  2. period ended2026-03-31
    13F/A 12,921,022 shares
    Change vs previous 13F +536,185 shares

    0.01% of the 13F portfolio, value $458,308,652.

    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: 690,608 shares
    • Vanguard Investments Australia, Ltd.: 24,979 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 74,948 shares
    • Vanguard Personalized Indexing Management, LLC: 30,587 shares
    • Vanguard Global Advisers, LLC: 42,216 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 4,478,763 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 7,578,921 shares

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

  3. period ended2025-12-31
    13F 12,384,837 shares
    Change vs previous 13F +186,873 shares

    <0.01% of the 13F portfolio, value $297,607,635.

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

    • VANGUARD GROUP INC: 12,371,147 shares
    • Vanguard Personalized Indexing Management, LLC: 13,690 shares

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

  4. period ended2025-09-30
    13F 12,197,964 shares
    Change vs previous 13F -207,825 shares

    <0.01% of the 13F portfolio, value $302,265,550.

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

    • VANGUARD GROUP INC: 12,183,440 shares
    • Vanguard Personalized Indexing Management, LLC: 14,524 shares

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

  5. period ended2025-06-30
    13F 12,405,789 shares
    Change vs previous 13F +31,567 shares

    <0.01% of the 13F portfolio, value $257,047,948.

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

    • VANGUARD GROUP INC: 12,391,524 shares
    • Vanguard Personalized Indexing Management, LLC: 14,265 shares

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

  6. period ended2025-03-31
    13F 12,374,222 shares
    Change vs previous 13F -117,753 shares

    <0.01% of the 13F portfolio, value $269,881,782.

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

    • VANGUARD GROUP INC: 12,361,546 shares
    • Vanguard Personalized Indexing Management, LLC: 12,676 shares

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

  7. period ended2024-12-31
    13F 12,491,975 shares
    Change vs previous 13F +68,080 shares

    0.01% of the 13F portfolio, value $325,790,709.

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

    • VANGUARD GROUP INC: 12,480,517 shares
    • Vanguard Personalized Indexing Management, LLC: 11,458 shares

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

  8. period ended2024-09-30
    13F 12,423,895 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $308,982,268.

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

    • VANGUARD GROUP INC: 12,411,180 shares
    • Vanguard Personalized Indexing Management, LLC: 12,715 shares

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