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Disclosery

RHUMBLINE ADVISERS: AMBA position timeline

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

RHUMBLINE ADVISERS held 53,925 AMBA 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 53,925 shares
    Change vs previous 13F -2,729 shares

    <0.01% of the 13F portfolio, value $4,626,754.

    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 56,654 shares
    Change vs previous 13F +801 shares

    <0.01% of the 13F portfolio, value $2,916,251.

    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 55,853 shares
    Change vs previous 13F -3,710 shares

    <0.01% of the 13F portfolio, value $3,956,612.

    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 59,563 shares
    Change vs previous 13F -2,550 shares

    <0.01% of the 13F portfolio, value $4,915,125.

    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 62,113 shares
    Change vs previous 13F +3,542 shares

    <0.01% of the 13F portfolio, value $4,103,483.

    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 58,571 shares
    Change vs previous 13F +2,249 shares

    <0.01% of the 13F portfolio, value $2,947,865.

    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 56,322 shares
    Change vs previous 13F -285 shares

    <0.01% of the 13F portfolio, value $4,096,847.

    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 56,607 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,192,902.

    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).