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FIRST TRUST ADVISORS LP: AMPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FIRST TRUST ADVISORS LP on AMPX, newest first. How the timeline and the estimate are built.

FIRST TRUST ADVISORS LP held 1,037,344 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,037,344 shares
    Change vs previous 13F +642,775 shares

    0.01% of the 13F portfolio, value $14,377,587.

    13F-HR 0001445546-26-005965 filed by FIRST TRUST ADVISORS LP
    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 394,569 shares
    Change vs previous 13F +361,825 shares

    <0.01% of the 13F portfolio, value $6,652,433.

    13F-HR 0001445546-26-003611 filed by FIRST TRUST ADVISORS LP
    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 32,744 shares
    Change vs previous 13F +2,066 shares

    <0.01% of the 13F portfolio, value $258,350.

    13F-HR 0001445546-26-001219 filed by FIRST TRUST ADVISORS LP
    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 30,678 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $322,732.

    13F-HR 0001445546-25-007494 filed by FIRST TRUST ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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