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Disclosery

FIRST MANHATTAN CO. LLC.: ARTNA position timeline

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

FIRST MANHATTAN CO. LLC. held 72,405 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 72,405 shares
    Change vs previous 13F -3,137 shares

    0.01% of the 13F portfolio, value $2,461,046.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN CO. 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 75,542 shares
    Change vs previous 13F -10,740 shares

    0.01% of the 13F portfolio, value $2,406,013.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN CO. 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 86,282 shares
    Change vs previous 13F -579 shares

    0.01% of the 13F portfolio, value $2,727,374.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN CO. 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 86,861 shares
    Change vs previous 13F -545 shares

    0.01% of the 13F portfolio, value $2,831,234.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 87,406 shares
    Change vs previous 13F -4,085 shares

    0.01% of the 13F portfolio, value $2,933,345.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN CO. 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 91,491 shares
    Change vs previous 13F -7,411 shares

    0.01% of the 13F portfolio, value $2,987,181.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 98,902 shares
    Change vs previous 13F -3,969 shares

    0.01% of the 13F portfolio, value $3,201,146.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. 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 102,871 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,824,744.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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