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ProShare Advisors LLC: AMPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ProShare Advisors LLC on AMPX, newest first. How the timeline and the estimate are built.

ProShare Advisors LLC held 18,000 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 18,000 shares
    Change vs previous 13F +1,305 shares

    <0.01% of the 13F portfolio, value $249,480.

    13F-HR 0001357955-26-000003 filed by ProShare Advisors 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 16,695 shares
    Change vs previous 13F -3,464 shares

    <0.01% of the 13F portfolio, value $281,478.

    13F-HR 0001357955-26-000002 filed by ProShare Advisors 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 20,159 shares
    Change vs previous 13F +4,222 shares

    <0.01% of the 13F portfolio, value $159,055.

    13F-HR 0001357955-26-000001 filed by ProShare Advisors 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 15,937 shares
    Change vs previous 13F -3,175 shares

    <0.01% of the 13F portfolio, value $167,657.

    13F-HR 0001357955-25-000003 filed by ProShare Advisors 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 19,112 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $80,462.

    13F-HR 0001085146-25-004670 filed by ProShare Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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