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Disclosery

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

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

K2 PRINCIPAL FUND, L.P. held 0 HYAC shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -226,442 shares

    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).

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

  2. period ended2025-12-31
    13F 226,442 shares
    Change vs previous 13F +26,642 shares

    0.27% of the 13F portfolio, value $2,576,910.

    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).

  3. period ended2025-09-30
    13F 199,800 shares
    Change vs previous 13F 0 shares

    0.24% of the 13F portfolio, value $2,265,732.

    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).

  4. period ended2025-06-30
    13F 199,800 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $2,217,780.

    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).