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ALGERT GLOBAL LLC: AMPH position timeline

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

ALGERT GLOBAL LLC held 131,400 AMPH 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 131,400 shares
    Change vs previous 13F +69,040 shares

    0.03% of the 13F portfolio, value $2,651,652.

    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 62,360 shares
    Change vs previous 13F -62,770 shares

    0.02% of the 13F portfolio, value $1,221,632.

    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 125,130 shares
    Change vs previous 13F -267,772 shares

    0.05% of the 13F portfolio, value $3,350,981.

    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 392,902 shares
    Change vs previous 13F +268,612 shares

    0.18% of the 13F portfolio, value $10,470,838.

    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).

  5. period ended2025-06-30
    13F/A 124,290 shares
    Change vs previous 13F +106,990 shares

    0.06% of the 13F portfolio, value $2,853,698.

    13F-HR/A 0001275218-26-000013 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).

  6. period ended2025-03-31
    13F/A 17,300 shares
    Change vs previous 13F +17,300 shares

    0.01% of the 13F portfolio, value $501,527.

    13F-HR/A 0001275218-26-000012 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).

  7. period ended2024-12-31
    13F/A 0 shares
    Change vs previous 13F -66,285 shares

    13F-HR/A 0001275218-26-000011 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).

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-09-30
    13F/A 66,285 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $3,216,811.

    13F-HR/A 0001275218-26-000010 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).