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DIMENSIONAL FUND ADVISORS LP: ZD position timeline

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

DIMENSIONAL FUND ADVISORS LP held 2,254,978 ZD shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 2,253,918 shares, 6.6%, in a 13G/A filed 2026-10-08.

Estimated current stake: 2,253,918 shares, 6.6% of the class

Estimated from 13G/A of 2026-10-08. As of 2026-09-30, 13G/A 0000354204-26-001033.

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 2,253,918 shares
    Share basis changed not comparable

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

    13G/A 0000354204-26-001033 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 2,254,978 shares
    Change vs previous 13F +183,430 shares

    0.02% of the 13F portfolio, value $118,093,427.

    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 2,071,548 shares
    Change vs previous 13F -25,730 shares

    0.02% of the 13F portfolio, value $86,923,447.

    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 2,097,278 shares
    Change vs previous 13F -161,743 shares

    0.02% of the 13F portfolio, value $73,720,350.

    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 2,259,021 shares
    Change vs previous 13F -90,359 shares

    0.02% of the 13F portfolio, value $86,070,850.

    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 2,349,380 shares
    Change vs previous 13F -64,556 shares

    0.02% of the 13F portfolio, value $71,116,942.

    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 2,413,936 shares
    Change vs previous 13F +1,156 shares

    0.02% of the 13F portfolio, value $90,715,847.

    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 2,412,780 shares
    Change vs previous 13F +118,979 shares

    0.03% of the 13F portfolio, value $131,111,747.

    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 2,293,801 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $111,616,724.

    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).