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ALGERT GLOBAL LLC: AMPX position timeline

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

ALGERT GLOBAL LLC held 424,833 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 424,833 shares
    Change vs previous 13F +209,518 shares

    0.07% of the 13F portfolio, value $5,888,185.

    13F-HR 0001275218-26-000017 filed by ALGERT GLOBAL 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/A 215,315 shares
    Change vs previous 13F +82,665 shares

    0.05% of the 13F portfolio, value $3,630,211.

    13F-HR/A 0001275218-26-000016 filed by ALGERT GLOBAL 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/A 132,650 shares
    Change vs previous 13F -250,369 shares

    0.02% of the 13F portfolio, value $1,046,608.

    13F-HR/A 0001275218-26-000015 filed by ALGERT GLOBAL 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/A 383,019 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $4,029,360.

    13F-HR/A 0001275218-26-000014 filed by ALGERT GLOBAL LLC
    Filed (acceptance time not in the bulk data set), ingested

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