Skip to content
Disclosery

WESTERLY CAPITAL MANAGEMENT, LLC: AMBA position timeline

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

WESTERLY CAPITAL MANAGEMENT, LLC held 80,000 AMBA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 80,000 shares
    Change vs previous 13F -50,000 shares

    1.27% of the 13F portfolio, value $6,864,000.

    13F-HR 0002073679-26-000089 filed by WESTERLY CAPITAL 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 130,000 shares
    Change vs previous 13F +45,000 shares

    2.06% of the 13F portfolio, value $6,691,750.

    13F-HR 0002073679-26-000057 filed by WESTERLY CAPITAL 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 85,000 shares
    Change vs previous 13F +40,000 shares

    1.81% of the 13F portfolio, value $6,021,400.

    13F-HR 0002073679-26-000027 filed by WESTERLY CAPITAL 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 45,000 shares
    Change vs previous 13F -98,000 shares

    1.18% of the 13F portfolio, value $3,713,400.

    13F-HR 0001546172-25-000011 filed by WESTERLY CAPITAL 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 143,000 shares
    Change vs previous 13F +143,000 shares

    4% of the 13F portfolio, value $9,447,295.

    13F-HR 0001546172-25-000007 filed by WESTERLY CAPITAL 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 0 shares
    Change vs previous 13F -5,000 shares

    13F-HR 0001546172-25-000005 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 5,000 shares
    Change vs previous 13F -95,000 shares

    0.17% of the 13F portfolio, value $363,700.

    13F-HR 0001546172-25-000003 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 100,000 shares
    Change vs previous 13F not available

    3.2% of the 13F portfolio, value $5,640,500.

    13F-HR 0001546172-24-000008 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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