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MILLENNIUM MANAGEMENT LLC: ARTNA position timeline

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

MILLENNIUM MANAGEMENT LLC held 40,948 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 40,948 shares
    Change vs previous 13F -42,829 shares

    <0.01% of the 13F portfolio, value $1,391,823.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT 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 83,777 shares
    Change vs previous 13F +42,034 shares

    <0.01% of the 13F portfolio, value $2,668,297.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT 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 41,743 shares
    Change vs previous 13F +1,891 shares

    <0.01% of the 13F portfolio, value $1,319,496.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT 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 39,852 shares
    Change vs previous 13F -34,816 shares

    <0.01% of the 13F portfolio, value $1,298,976.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT 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 74,668 shares
    Change vs previous 13F -22,580 shares

    <0.01% of the 13F portfolio, value $2,505,858.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT 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 97,248 shares
    Change vs previous 13F -21,656 shares

    <0.01% of the 13F portfolio, value $3,175,147.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT 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 118,904 shares
    Change vs previous 13F -38,326 shares

    <0.01% of the 13F portfolio, value $3,759,744.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT 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 157,230 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $5,845,811.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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