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Russell Investments Group, Ltd.: AMPL position timeline

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

Russell Investments Group, Ltd. held 114,460 AMPL shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 114,460 shares
    Change vs previous 13F -17,180 shares

    <0.01% of the 13F portfolio, value $875,616.

    13F-HR 0001193125-26-336961 filed by Russell Investments Group, Ltd.
    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 131,640 shares
    Change vs previous 13F +55,423 shares

    <0.01% of the 13F portfolio, value $897,661.

    13F-HR 0001193125-26-213225 filed by Russell Investments Group, Ltd.
    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 76,217 shares
    Change vs previous 13F +8,488 shares

    <0.01% of the 13F portfolio, value $883,628.

    13F-HR 0001193125-26-053181 filed by Russell Investments Group, Ltd.
    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 67,729 shares
    Change vs previous 13F +39,732 shares

    <0.01% of the 13F portfolio, value $726,060.

    13F-HR 0001193125-25-278803 filed by Russell Investments Group, Ltd.
    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 27,997 shares
    Change vs previous 13F +22,179 shares

    <0.01% of the 13F portfolio, value $347,173.

    13F-HR 0000950123-25-007728 filed by Russell Investments Group, Ltd.
    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 5,818 shares
    Change vs previous 13F +1,455 shares

    <0.01% of the 13F portfolio, value $59,284.

    13F-HR 0000950123-25-004729 filed by Russell Investments Group, Ltd.
    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 4,363 shares
    Change vs previous 13F -988 shares

    <0.01% of the 13F portfolio, value $46,029.

    13F-HR 0000950123-25-001908 filed by Russell Investments Group, Ltd.
    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 5,351 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $47,998.

    13F-HR 0000950123-24-011064 filed by Russell Investments Group, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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