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Disclosery

OP Asset Management Ltd: MASI position timeline

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

OP Asset Management Ltd held 0 MASI shares at 2026-03-31 per its 13F-HR/A filed 2026-09-28.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F/A 0 shares
    Change vs previous 13F -8,207 shares

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F/A 8,207 shares
    Change vs previous 13F +1,899 shares

    0.01% of the 13F portfolio, value $1,067,402.

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

  3. period ended2025-09-30
    13F/A 6,308 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $930,745.

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