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Disclosery

OP Asset Management Ltd: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OP Asset Management Ltd on AMT, newest first. How the timeline and the estimate are built.

OP Asset Management Ltd held 52,064 AMT shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 52,064 shares
    Change vs previous 13F +4,382 shares

    0.09% of the 13F portfolio, value $8,516,108.

    13F-HR 0002097005-26-000008 filed by OP Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).

  2. period ended2026-03-31
    13F/A 47,682 shares
    Change vs previous 13F -3,454 shares

    0.08% of the 13F portfolio, value $8,228,959.

    13F-HR/A 0002097005-26-000013 filed by OP Asset Management Ltd
    Accepted , ingested

  3. period ended2025-12-31
    13F/A 51,136 shares
    Change vs previous 13F +344 shares

    0.11% of the 13F portfolio, value $8,977,947.

    13F-HR/A 0002097005-26-000012 filed by OP Asset Management Ltd
    Accepted , ingested

  4. period ended2025-09-30
    13F/A 50,792 shares
    Change vs previous 13F +821 shares

    0.13% of the 13F portfolio, value $9,768,318.

    13F-HR/A 0002097005-26-000011 filed by OP Asset Management Ltd
    Accepted , ingested

  5. period ended2025-06-30
    13F/A 49,971 shares
    Change vs previous 13F +1,005 shares

    0.16% of the 13F portfolio, value $11,044,590.

    13F-HR/A 0002097005-26-000010 filed by OP Asset Management Ltd
    Accepted , ingested

  6. period ended2025-03-31
    13F/A 48,966 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $10,655,001.

    13F-HR/A 0002097005-26-000009 filed by OP Asset Management Ltd
    Accepted , ingested