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ACADIAN ASSET MANAGEMENT LLC: AMBA position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 19,922 AMBA shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,922 shares
    Change vs previous 13F -34,278 shares

    <0.01% of the 13F portfolio, value $1,705,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    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 54,200 shares
    Change vs previous 13F -67,184 shares

    <0.01% of the 13F portfolio, value $2,786,000.

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    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 121,384 shares
    Change vs previous 13F -28,576 shares

    0.01% of the 13F portfolio, value $8,591,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    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 149,960 shares
    Change vs previous 13F -75,827 shares

    0.02% of the 13F portfolio, value $12,369,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    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 225,787 shares
    Change vs previous 13F +111,968 shares

    0.03% of the 13F portfolio, value $14,907,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    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 113,819 shares
    Change vs previous 13F -7,742 shares

    0.02% of the 13F portfolio, value $5,725,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    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 121,561 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $8,837,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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