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JANE STREET GROUP, LLC: AMPH position timeline

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

JANE STREET GROUP, LLC held 178,734 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 178,734 shares
    Change vs previous 13F +86,259 shares

    <0.01% of the 13F portfolio, value $3,606,852.

    13F-HR 0001595888-26-000108 filed by JANE STREET GROUP, 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 92,475 shares
    Change vs previous 13F -125,062 shares

    <0.01% of the 13F portfolio, value $1,811,585.

    13F-HR 0001595888-26-000043 filed by JANE STREET GROUP, 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 217,537 shares
    Change vs previous 13F +69,078 shares

    0.01% of the 13F portfolio, value $5,825,641.

    13F-HR 0001595888-26-000023 filed by JANE STREET GROUP, 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 148,459 shares
    Change vs previous 13F -11,623 shares

    <0.01% of the 13F portfolio, value $3,956,432.

    13F-HR 0001595888-25-000155 filed by JANE STREET GROUP, 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 160,082 shares
    Change vs previous 13F +113,417 shares

    0.01% of the 13F portfolio, value $3,675,483.

    13F-HR 0001595888-25-000117 filed by JANE STREET GROUP, 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 46,665 shares
    Change vs previous 13F -52,822 shares

    <0.01% of the 13F portfolio, value $1,352,818.

    13F-HR/A 0001595888-25-000100 filed by JANE STREET GROUP, 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 99,487 shares
    Change vs previous 13F +35,873 shares

    0.01% of the 13F portfolio, value $3,693,952.

    13F-HR 0001595888-25-000068 filed by JANE STREET GROUP, 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 63,614 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,087,188.

    13F-HR 0001595888-24-000063 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

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