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Disclosery

XTX Topco Ltd: AMPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of XTX Topco Ltd on AMPX, newest first. How the timeline and the estimate are built.

XTX Topco Ltd held 180,174 AMPX 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 180,174 shares
    Change vs previous 13F +80,823 shares

    0.03% of the 13F portfolio, value $2,497,212.

    13F-HR 0001828301-26-000005 filed by XTX Topco Ltd
    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 99,351 shares
    Change vs previous 13F +99,351 shares

    0.03% of the 13F portfolio, value $1,675,058.

    13F-HR 0001828301-26-000004 filed by XTX Topco Ltd
    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 -173,005 shares

    13F-HR 0001828301-26-000001 filed by XTX Topco Ltd
    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 173,005 shares
    Change vs previous 13F +162,585 shares

    0.09% of the 13F portfolio, value $1,820,013.

    13F-HR 0001828301-25-000036 filed by XTX Topco Ltd
    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 10,420 shares
    Change vs previous 13F +10,420 shares

    <0.01% of the 13F portfolio, value $43,868.

    13F-HR 0001828301-25-000027 filed by XTX Topco Ltd
    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 -280,094 shares

    13F-HR 0001828301-25-000025 filed by XTX Topco Ltd
    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 280,094 shares
    Change vs previous 13F +232,332 shares

    0.07% of the 13F portfolio, value $784,263.

    13F-HR 0001828301-25-000023 filed by XTX Topco Ltd
    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 47,762 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $53,016.

    13F-HR 0001828301-24-000019 filed by XTX Topco Ltd
    Filed (acceptance time not in the bulk data set), ingested

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