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Disclosery

OP Asset Management Ltd: ADTN position timeline

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

OP Asset Management Ltd held 42,106 ADTN 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 42,106 shares
    Change vs previous 13F -73,268 shares

    0.01% of the 13F portfolio, value $585,273.

    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 115,374 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,451,404.

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