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Disclosery

Granite Investment Partners, LLC: AMPH position timeline

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

Granite Investment Partners, LLC held 0 AMPH shares at 2025-06-30 per its 13F-HR filed 2025-08-13.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -375,778 shares

    13F-HR 0001398344-25-015229 filed by Granite Investment Partners, 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.

  2. period ended2025-03-31
    13F 375,778 shares
    Change vs previous 13F -20,924 shares

    0.55% of the 13F portfolio, value $10,893,804.

    13F-HR 0001398344-25-009267 filed by Granite Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-12-31
    13F 396,702 shares
    Change vs previous 13F -9,016 shares

    0.64% of the 13F portfolio, value $14,729,545.

    13F-HR 0001398344-25-002698 filed by Granite Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-09-30
    13F 405,718 shares
    Change vs previous 13F not available

    0.84% of the 13F portfolio, value $19,689,495.

    13F-HR 0001398344-24-020459 filed by Granite Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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