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MILLENNIUM MANAGEMENT LLC: OLN position timeline

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

MILLENNIUM MANAGEMENT LLC held 81,119 OLN 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 81,119 shares
    Change vs previous 13F -984,368 shares

    <0.01% of the 13F portfolio, value $1,607,779.

    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 1,065,487 shares
    Change vs previous 13F +1,030,357 shares

    0.02% of the 13F portfolio, value $31,676,929.

    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 35,130 shares
    Change vs previous 13F -2,451,572 shares

    <0.01% of the 13F portfolio, value $731,758.

    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 2,486,702 shares
    Change vs previous 13F +2,272,877 shares

    0.05% of the 13F portfolio, value $62,142,683.

    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 213,825 shares
    Change vs previous 13F -1,930,186 shares

    <0.01% of the 13F portfolio, value $4,295,744.

    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 2,144,011 shares
    Change vs previous 13F -1,057,222 shares

    0.05% of the 13F portfolio, value $51,970,827.

    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 3,201,233 shares
    Change vs previous 13F +261,145 shares

    0.09% of the 13F portfolio, value $108,201,675.

    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 2,940,088 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $141,065,422.

    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).