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Disclosery

K2 PRINCIPAL FUND, L.P.: ATIIW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of K2 PRINCIPAL FUND, L.P. on ATIIW, newest first. How the timeline and the estimate are built.

K2 PRINCIPAL FUND, L.P. held 280,718 ATIIW shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 280,718 shares
    Change vs previous 13F +40,823 shares

    0.06% of the 13F portfolio, value $614,772.

    13F-HR 0001461790-26-000032 filed by K2 PRINCIPAL FUND, L.P.
    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 239,895 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $122,346.

    13F-HR 0001461790-26-000030 filed by K2 PRINCIPAL FUND, L.P.
    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 239,895 shares
    Change vs previous 13F -20,000 shares

    0.01% of the 13F portfolio, value $131,942.

    13F-HR 0001461790-26-000016 filed by K2 PRINCIPAL FUND, L.P.
    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 259,895 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $90,963.

    13F-HR 0001461790-25-000054 filed by K2 PRINCIPAL FUND, L.P.
    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 259,895 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $106,557.

    13F-HR 0001461790-25-000044 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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