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Disclosery

BlackRock, Inc.: ARTNA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on ARTNA, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 209,332 ARTNA 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 209,332 shares
    Change vs previous 13F +38,635 shares

    <0.01% of the 13F portfolio, value $7,115,211.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 170,697 shares
    Change vs previous 13F -772,671 shares

    <0.01% of the 13F portfolio, value $5,436,714.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 943,368 shares
    Change vs previous 13F +81,168 shares

    <0.01% of the 13F portfolio, value $29,819,877.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 862,200 shares
    Change vs previous 13F +41,555 shares

    <0.01% of the 13F portfolio, value $28,103,424.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 820,645 shares
    Change vs previous 13F +102,902 shares

    <0.01% of the 13F portfolio, value $27,540,863.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 717,743 shares
    Change vs previous 13F -201,719 shares

    <0.01% of the 13F portfolio, value $23,434,325.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 919,462 shares
    Change vs previous 13F +187,894 shares

    <0.01% of the 13F portfolio, value $29,073,404.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 731,568 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $27,199,716.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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