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MILLENNIUM MANAGEMENT LLC: WEST position timeline

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

MILLENNIUM MANAGEMENT LLC held 601,611 WEST 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 601,611 shares
    Change vs previous 13F +569,412 shares

    <0.01% of the 13F portfolio, value $4,879,065.

    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 32,199 shares
    Change vs previous 13F -644,201 shares

    <0.01% of the 13F portfolio, value $136,846.

    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 676,400 shares
    Change vs previous 13F +356,118 shares

    <0.01% of the 13F portfolio, value $2,752,948.

    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 320,282 shares
    Change vs previous 13F +12,728 shares

    <0.01% of the 13F portfolio, value $1,556,571.

    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 307,554 shares
    Change vs previous 13F -61,058 shares

    <0.01% of the 13F portfolio, value $1,762,284.

    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 368,612 shares
    Change vs previous 13F -220,838 shares

    <0.01% of the 13F portfolio, value $2,661,379.

    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 589,450 shares
    Change vs previous 13F +392,214 shares

    <0.01% of the 13F portfolio, value $3,784,269.

    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 197,236 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,282,034.

    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).