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ROYAL BANK OF CANADA: AMPH position timeline

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

ROYAL BANK OF CANADA held 4,739 AMPH 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 4,739 shares
    Change vs previous 13F +1,216 shares

    <0.01% of the 13F portfolio, value $97,000.

    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 3,523 shares
    Change vs previous 13F -5,742 shares

    <0.01% of the 13F portfolio, value $68,000.

    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 9,265 shares
    Change vs previous 13F -40,406 shares

    <0.01% of the 13F portfolio, value $248,000.

    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 49,671 shares
    Change vs previous 13F -269,046 shares

    <0.01% of the 13F portfolio, value $1,324,000.

    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).

  5. period ended2025-06-30
    13F/A 318,717 shares
    Change vs previous 13F +292,638 shares

    <0.01% of the 13F portfolio, value $7,318,000.

    13F-HR/A 0001140361-25-042957 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).

  6. period ended2025-03-31
    13F/A 26,079 shares
    Change vs previous 13F -2,553 shares

    <0.01% of the 13F portfolio, value $756,000.

    13F-HR/A 0001140361-25-042953 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).

  7. period ended2024-12-31
    13F 28,632 shares
    Change vs previous 13F +2,118 shares

    <0.01% of the 13F portfolio, value $1,062,000.

    13F-HR 0001140361-25-004660 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).

  8. period ended2024-09-30
    13F 26,514 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,287,000.

    13F-HR 0001140361-24-046848 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).