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DIMENSIONAL FUND ADVISORS LP: ABG position timeline

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

DIMENSIONAL FUND ADVISORS LP held 1,180,723 ABG shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 1,189,499 shares, 6.6%, in a 13G/A filed 2026-10-08.

Estimated current stake: 1,189,499 shares, 6.6% of the class

Estimated from 13G/A of 2026-10-08. As of 2026-09-30, 13G/A 0000354204-26-001019.

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 1,189,499 shares
    Share basis changed not comparable

    6.6% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0000354204-26-001019 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 1,180,723 shares
    Change vs previous 13F +24,297 shares

    0.04% of the 13F portfolio, value $237,421,474.

    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 1,156,426 shares
    Change vs previous 13F +34,104 shares

    0.05% of the 13F portfolio, value $225,976,947.

    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 1,122,322 shares
    Change vs previous 13F +18,154 shares

    0.05% of the 13F portfolio, value $260,979,753.

    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 1,104,168 shares
    Change vs previous 13F +5,757 shares

    0.06% of the 13F portfolio, value $269,906,005.

    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 1,098,411 shares
    Change vs previous 13F +9,234 shares

    0.06% of the 13F portfolio, value $262,025,485.

    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 1,089,177 shares
    Change vs previous 13F -18,999 shares

    0.06% of the 13F portfolio, value $240,526,221.

    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 1,108,176 shares
    Change vs previous 13F +9,688 shares

    0.06% of the 13F portfolio, value $269,321,663.

    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 1,098,488 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $262,095,612.

    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).