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Alta Fundamental Advisers LLC: ACHR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alta Fundamental Advisers LLC on ACHR, newest first. How the timeline and the estimate are built.

Alta Fundamental Advisers LLC held 1,000,000 ACHR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,000,000 shares
    Change vs previous 13F -68,333 shares

    1.71% of the 13F portfolio, value $4,730,000.

    13F-HR 0001214659-26-009973 filed by Alta Fundamental Advisers LLC
    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 1,068,333 shares
    Change vs previous 13F -100,000 shares

    2.17% of the 13F portfolio, value $5,523,282.

    13F-HR 0001214659-26-005568 filed by Alta Fundamental Advisers LLC
    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 1,168,333 shares
    Change vs previous 13F -170,500 shares

    4.12% of the 13F portfolio, value $8,785,864.

    13F-HR 0001214659-26-001459 filed by Alta Fundamental Advisers LLC
    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 1,338,833 shares
    Change vs previous 13F -393,800 shares

    6.23% of the 13F portfolio, value $12,826,020.

    13F-HR 0001214659-25-016385 filed by Alta Fundamental Advisers LLC
    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 1,732,633 shares
    Change vs previous 13F +358,462 shares

    10.28% of the 13F portfolio, value $18,799,068.

    13F-HR 0001641604-25-000005 filed by Alta Fundamental Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 1,374,171 shares
    Change vs previous 13F -813,368 shares

    6.3% of the 13F portfolio, value $9,770,356.

    13F-HR 0001641604-25-000002 filed by Alta Fundamental Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 2,187,539 shares
    Change vs previous 13F 0 shares

    7.89% of the 13F portfolio, value $21,328,505.

    13F-HR 0001214659-25-002723 filed by Alta Fundamental Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 2,187,539 shares
    Change vs previous 13F not available

    2.74% of the 13F portfolio, value $6,628,243.

    13F-HR 0001641604-24-000003 filed by Alta Fundamental Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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