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JUPITER ASSET MANAGEMENT LTD: AMPX position timeline

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

JUPITER ASSET MANAGEMENT LTD held 2,133,397 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,133,397 shares
    Change vs previous 13F +2,133,397 shares

    0.15% of the 13F portfolio, value $29,568,882.

    13F-HR 0001171843-26-005368 filed by JUPITER ASSET MANAGEMENT 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 0 shares
    Change vs previous 13F -960,912 shares

    13F-HR 0001171843-26-003285 filed by JUPITER ASSET MANAGEMENT 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.

  3. period ended2025-12-31
    13F 960,912 shares
    Change vs previous 13F +761,527 shares

    0.06% of the 13F portfolio, value $7,581,595.

    13F-HR 0001171843-26-000717 filed by JUPITER ASSET MANAGEMENT LTD
    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 199,385 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,097,531.

    13F-HR 0001171843-25-007155 filed by JUPITER ASSET MANAGEMENT LTD
    Filed (acceptance time not in the bulk data set), ingested

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