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T. Rowe Price Investment Management, Inc.: ARTNA position timeline

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

T. Rowe Price Investment Management, Inc. held 912,196 ARTNA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 912,196 shares
    Change vs previous 13F +4,468 shares

    0.02% of the 13F portfolio, value $31,006,000.

    13F-HR 0001897612-26-000578 filed by T. Rowe Price Investment Management, 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 907,728 shares
    Change vs previous 13F +4,988 shares

    0.02% of the 13F portfolio, value $28,912,000.

    13F-HR 0001897612-26-000460 filed by T. Rowe Price Investment Management, 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/A 902,740 shares
    Change vs previous 13F -24,163 shares

    0.02% of the 13F portfolio, value $28,536,000.

    13F-HR/A 0001897612-26-000299 filed by T. Rowe Price Investment Management, 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 926,903 shares
    Change vs previous 13F -64 shares

    0.02% of the 13F portfolio, value $30,208,000.

    13F-HR 0001897612-25-000511 filed by T. Rowe Price Investment Management, 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 926,967 shares
    Change vs previous 13F -265 shares

    0.02% of the 13F portfolio, value $31,110,000.

    13F-HR 0000080255-25-000548 filed by T. Rowe Price Investment Management, 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 927,232 shares
    Change vs previous 13F +41,357 shares

    0.02% of the 13F portfolio, value $30,275,000.

    13F-HR 0000080255-25-000283 filed by T. Rowe Price Investment Management, 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 885,875 shares
    Change vs previous 13F +1,541 shares

    0.02% of the 13F portfolio, value $28,012,000.

    13F-HR 0000080255-25-000217 filed by T. Rowe Price Investment Management, 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 884,334 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $32,880,000.

    13F-HR 0001897612-24-002015 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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