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Disclosery

ROYAL BANK OF CANADA: AMBQ position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROYAL BANK OF CANADA on AMBQ, newest first. How the timeline and the estimate are built.

ROYAL BANK OF CANADA held 4,488 AMBQ 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 4,488 shares
    Change vs previous 13F -7,112 shares

    <0.01% of the 13F portfolio, value $397,000.

    13F-HR 0001140361-26-033080 filed by ROYAL BANK OF CANADA
    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 11,600 shares
    Change vs previous 13F +10,790 shares

    <0.01% of the 13F portfolio, value $295,000.

    13F-HR 0001140361-26-021585 filed by ROYAL BANK OF CANADA
    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 810 shares
    Change vs previous 13F -3,962 shares

    <0.01% of the 13F portfolio, value $24,000.

    13F-HR 0001140361-26-005577 filed by ROYAL BANK OF CANADA
    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 4,772 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $143,000.

    13F-HR 0001140361-25-042265 filed by ROYAL BANK OF CANADA
    Filed (acceptance time not in the bulk data set), ingested

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