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Disclosery

RHUMBLINE ADVISERS: AMPL position timeline

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

RHUMBLINE ADVISERS held 117,173 AMPL shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 117,173 shares
    Change vs previous 13F +3,720 shares

    <0.01% of the 13F portfolio, value $896,364.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 113,453 shares
    Change vs previous 13F +2,985 shares

    <0.01% of the 13F portfolio, value $773,741.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 110,468 shares
    Change vs previous 13F -14,284 shares

    <0.01% of the 13F portfolio, value $1,279,209.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 124,752 shares
    Change vs previous 13F -1,396 shares

    <0.01% of the 13F portfolio, value $1,337,331.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 126,148 shares
    Change vs previous 13F +17,717 shares

    <0.01% of the 13F portfolio, value $1,564,227.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 108,431 shares
    Change vs previous 13F +6,477 shares

    <0.01% of the 13F portfolio, value $1,104,902.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 101,954 shares
    Change vs previous 13F +1,040 shares

    <0.01% of the 13F portfolio, value $1,075,605.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 100,914 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $905,187.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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