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DENALI ADVISORS LLC: AMPH position timeline

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

DENALI ADVISORS LLC held 375,965 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 375,965 shares
    Change vs previous 13F +109,500 shares

    0.76% of the 13F portfolio, value $7,586,974.

    13F-HR 0001398344-26-013946 filed by DENALI 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 266,465 shares
    Change vs previous 13F +54,700 shares

    0.58% of the 13F portfolio, value $5,220,049.

    13F-HR 0001398344-26-008814 filed by DENALI 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 211,765 shares
    Change vs previous 13F +76,765 shares

    0.63% of the 13F portfolio, value $5,671,067.

    13F-HR 0001398344-26-002053 filed by DENALI 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 135,000 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $3,597,750.

    13F-HR 0001398344-25-020496 filed by DENALI ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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