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Russell Investments Group, Ltd.: AMBA position timeline

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

Russell Investments Group, Ltd. held 78,892 AMBA 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 78,892 shares
    Change vs previous 13F -9,428 shares

    0.01% of the 13F portfolio, value $6,768,985.

    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 88,320 shares
    Change vs previous 13F +17,438 shares

    <0.01% of the 13F portfolio, value $4,546,305.

    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 70,882 shares
    Change vs previous 13F -2,998 shares

    0.01% of the 13F portfolio, value $5,020,523.

    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 73,880 shares
    Change vs previous 13F -28,039 shares

    0.01% of the 13F portfolio, value $6,097,174.

    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 101,919 shares
    Change vs previous 13F +26,750 shares

    0.01% of the 13F portfolio, value $6,759,523.

    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 75,169 shares
    Change vs previous 13F +52,570 shares

    0.01% of the 13F portfolio, value $3,783,253.

    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 22,599 shares
    Change vs previous 13F -2,115 shares

    <0.01% of the 13F portfolio, value $1,643,849.

    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 24,714 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,393,990.

    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).