Skip to content
Disclosery

DIMENSIONAL FUND ADVISORS LP: AMPL position timeline

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

DIMENSIONAL FUND ADVISORS LP held 896,254 AMPL shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 896,254 shares
    Change vs previous 13F +278,541 shares

    <0.01% of the 13F portfolio, value $6,855,969.

    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).

  2. period ended2026-03-31
    13F 617,713 shares
    Change vs previous 13F +485,752 shares

    <0.01% of the 13F portfolio, value $4,212,719.

    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).

  3. period ended2025-12-31
    13F 131,961 shares
    Change vs previous 13F -428 shares

    <0.01% of the 13F portfolio, value $1,528,815.

    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).

  4. period ended2025-09-30
    13F 132,389 shares
    Change vs previous 13F -4,757 shares

    <0.01% of the 13F portfolio, value $1,422,245.

    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).

  5. period ended2025-06-30
    13F 137,146 shares
    Change vs previous 13F -230 shares

    <0.01% of the 13F portfolio, value $1,700,319.

    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).

  6. period ended2025-03-31
    13F 137,376 shares
    Change vs previous 13F -8,990 shares

    <0.01% of the 13F portfolio, value $1,401,358.

    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).

  7. period ended2024-12-31
    13F 146,366 shares
    Change vs previous 13F -10,411 shares

    <0.01% of the 13F portfolio, value $1,544,078.

    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).

  8. period ended2024-09-30
    13F 156,777 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,406,206.

    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).