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OXFORD ASSET MANAGEMENT LLP: AMPY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OXFORD ASSET MANAGEMENT LLP on AMPY, newest first. How the timeline and the estimate are built.

OXFORD ASSET MANAGEMENT LLP held 0 AMPY 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 -121,351 shares

    13F-HR 0001438284-26-000017 filed by OXFORD ASSET MANAGEMENT LLP
    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/A 121,351 shares
    Change vs previous 13F +121,351 shares

    0.31% of the 13F portfolio, value $757,230.

    13F-HR 0001438284-26-000008 filed by OXFORD ASSET MANAGEMENT LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F/A 0 shares
    Change vs previous 13F -43,820 shares

    13F-HR 0001438284-25-000003 filed by OXFORD ASSET MANAGEMENT LLP
    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 ended2025-06-30
    13F/A 43,820 shares
    Change vs previous 13F -15,014 shares

    0.05% of the 13F portfolio, value $140,224.

    13F-HR 0001085146-25-005139 filed by OXFORD ASSET MANAGEMENT LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F/A 58,834 shares
    Change vs previous 13F +35,245 shares

    0.1% of the 13F portfolio, value $220,039.

    13F-HR 0001085146-25-003226 filed by OXFORD ASSET MANAGEMENT LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F/A 23,589 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $141,534.

    13F-HR 0001085146-25-001547 filed by OXFORD ASSET MANAGEMENT LLP
    Filed (acceptance time not in the bulk data set), ingested

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