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Disclosery

Alpha Zero LLC: COST position timeline

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

Alpha Zero LLC held 724 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 724 shares
    Change vs previous 13F +181 shares

    0.26% of the 13F portfolio, value $684,593.

    13F-HR 0002085853-26-000770 filed by Alpha Zero 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 543 shares
    Change vs previous 13F -12 shares

    0.27% of the 13F portfolio, value $541,061.

    13F-HR 0002085853-26-000574 filed by Alpha Zero 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 555 shares
    Change vs previous 13F -23 shares

    0.26% of the 13F portfolio, value $478,599.

    13F-HR 0002085853-26-000569 filed by Alpha Zero 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 578 shares
    Change vs previous 13F +22 shares

    0.31% of the 13F portfolio, value $535,014.

    13F-HR 0002085853-25-000251 filed by Alpha Zero 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 556 shares
    Change vs previous 13F +26 shares

    0.36% of the 13F portfolio, value $550,407.

    13F-HR 0002085853-25-000268 filed by Alpha Zero 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 530 shares
    Change vs previous 13F +1 shares

    0.38% of the 13F portfolio, value $501,263.

    13F-HR 0002085853-25-000266 filed by Alpha Zero 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 529 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $484,707.

    13F-HR 0002085853-25-000265 filed by Alpha Zero LLC
    Filed (acceptance time not in the bulk data set), ingested

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