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DIMENSIONAL FUND ADVISORS LP: OPLN position timeline

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

DIMENSIONAL FUND ADVISORS LP held 6,534,272 OPLN shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 6,213,448 shares, 5.1%, in a 13G/A filed 2026-10-08.

Estimated current stake: 6,213,448 shares, 5.1% of the class

Estimated from 13G/A of 2026-10-08. As of 2026-09-30, 13G/A 0000354204-26-001046.

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 6,213,448 shares
    Share basis changed not comparable

    5.1% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0000354204-26-001046 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 6,534,272 shares
    Change vs previous 13F -193,678 shares

    0.05% of the 13F portfolio, value $269,477,566.

    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 6,727,950 shares
    Change vs previous 13F +1,738 shares

    0.04% of the 13F portfolio, value $196,107,331.

    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 6,726,212 shares
    Change vs previous 13F +56,076 shares

    0.04% of the 13F portfolio, value $200,309,122.

    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 6,670,136 shares
    Change vs previous 13F -390,075 shares

    0.04% of the 13F portfolio, value $191,960,894.

    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 7,060,211 shares
    Change vs previous 13F -123,200 shares

    0.04% of the 13F portfolio, value $172,619,086.

    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 7,183,411 shares
    Change vs previous 13F -52,978 shares

    0.03% of the 13F portfolio, value $138,494,756.

    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 7,236,389 shares
    Change vs previous 13F -8,613 shares

    0.03% of the 13F portfolio, value $143,572,375.

    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 7,245,002 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $122,294,548.

    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).