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DIMENSIONAL FUND ADVISORS LP: OI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on OI, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 8,139,889 OI shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 6,603,588 shares, 4.3%, in a 13G/A filed 2026-10-08.

Estimated current stake: 6,603,588 shares, 4.3% of the class

Estimated from 13G/A of 2026-10-08. As of 2026-09-30, 13G/A 0000354204-26-001040.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2026-06-30.

  1. event date2026-09-30
    13G/A 6,603,588 shares
    Share basis changed not comparable

    4.3% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0000354204-26-001040 filed by DIMENSIONAL FUND ADVISORS LP
    Accepted , ingested

    A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.

  2. period ended2026-06-30
    13F 8,139,889 shares
    Change vs previous 13F -1,098,746 shares

    0.01% of the 13F portfolio, value $78,386,906.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 9,238,635 shares
    Change vs previous 13F +729,191 shares

    0.02% of the 13F portfolio, value $97,094,103.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 8,509,444 shares
    Change vs previous 13F +277,205 shares

    0.03% of the 13F portfolio, value $125,600,395.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 8,232,239 shares
    Change vs previous 13F +170,696 shares

    0.02% of the 13F portfolio, value $106,773,014.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 8,061,543 shares
    Change vs previous 13F +477,505 shares

    0.03% of the 13F portfolio, value $118,833,164.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 7,584,038 shares
    Change vs previous 13F +134,566 shares

    0.02% of the 13F portfolio, value $86,987,912.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 7,449,472 shares
    Change vs previous 13F +617,460 shares

    0.02% of the 13F portfolio, value $80,748,508.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  9. period ended2024-09-30
    13F 6,832,012 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $89,637,600.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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