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Disclosery

Matrix Trust Co: ATKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Matrix Trust Co on ATKR, newest first. How the timeline and the estimate are built.

Matrix Trust Co held 0 ATKR shares at 2026-03-31 per its 13F-HR filed 2026-04-10.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -1,069 shares

    13F-HR 0001784277-26-000004 filed by Matrix Trust Co
    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 1,069 shares
    Change vs previous 13F -3,322 shares

    0.01% of the 13F portfolio, value $68,000.

    13F-HR 0001784277-26-000001 filed by Matrix Trust Co
    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 4,391 shares
    Change vs previous 13F +258 shares

    0.04% of the 13F portfolio, value $275,000.

    13F-HR 0001784277-25-000009 filed by Matrix Trust Co
    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 4,133 shares
    Change vs previous 13F +298 shares

    0.05% of the 13F portfolio, value $292,000.

    13F-HR 0001784277-25-000005 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 3,835 shares
    Change vs previous 13F +1,706 shares

    0.04% of the 13F portfolio, value $230,000.

    13F-HR 0001784277-25-000003 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 2,129 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $178,000.

    13F-HR 0001784277-25-000001 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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