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Disclosery

HRT FINANCIAL LP: AMPH position timeline

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

HRT FINANCIAL LP held 387,530 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 387,530 shares
    Change vs previous 13F +331,349 shares

    0.01% of the 13F portfolio, value $7,820,000.

    13F-HR 0001475597-26-000199 filed by HRT FINANCIAL LP
    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 56,181 shares
    Change vs previous 13F +56,181 shares

    <0.01% of the 13F portfolio, value $1,100,000.

    13F-HR 0001475597-26-000032 filed by HRT FINANCIAL LP
    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 -77,746 shares

    13F-HR 0001475597-26-000004 filed by HRT FINANCIAL LP
    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 77,746 shares
    Change vs previous 13F +35,666 shares

    0.01% of the 13F portfolio, value $2,071,000.

    13F-HR 0001475597-25-000029 filed by HRT FINANCIAL LP
    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 42,080 shares
    Change vs previous 13F -44,284 shares

    <0.01% of the 13F portfolio, value $966,000.

    13F-HR 0001475597-25-000025 filed by HRT FINANCIAL LP
    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 86,364 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,503,000.

    13F-HR 0001475597-25-000019 filed by HRT FINANCIAL LP
    Filed (acceptance time not in the bulk data set), ingested

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