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PDT Partners, LLC: AMPH position timeline

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

PDT Partners, LLC held 0 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -11,441 shares

    13F-HR 0001564702-26-000018 filed by PDT 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 ended2026-03-31
    13F 11,441 shares
    Change vs previous 13F +11,441 shares

    0.01% of the 13F portfolio, value $224,129.

    13F-HR 0001564702-26-000004 filed by PDT 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 ended2025-12-31
    13F 0 shares
    Change vs previous 13F -14,630 shares

    13F-HR 0001564702-26-000002 filed by PDT 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.

  4. period ended2025-09-30
    13F 14,630 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $389,890.

    13F-HR 0001564702-25-000027 filed by PDT Partners, 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 14,630 shares
    Change vs previous 13F +14,630 shares

    0.02% of the 13F portfolio, value $335,905.

    13F-HR 0001564702-25-000025 filed by PDT Partners, 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 0 shares
    Change vs previous 13F -90,484 shares

    13F-HR 0001564702-25-000009 filed by PDT 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.

  7. period ended2024-12-31
    13F 90,484 shares
    Change vs previous 13F +9,300 shares

    0.3% of the 13F portfolio, value $3,359,671.

    13F-HR 0001564702-25-000004 filed by PDT Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 81,184 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $3,939,860.

    13F-HR 0001564702-24-000019 filed by PDT Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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