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Disclosery

Alpha Zero LLC: ISRG position timeline

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

Alpha Zero LLC held 1,635 ISRG 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 1,635 shares
    Change vs previous 13F +221 shares

    0.25% of the 13F portfolio, value $657,810.

    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 1,414 shares
    Change vs previous 13F +67 shares

    0.33% of the 13F portfolio, value $651,840.

    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 1,347 shares
    Change vs previous 13F -76 shares

    0.42% of the 13F portfolio, value $762,887.

    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 1,423 shares
    Change vs previous 13F -198 shares

    0.37% of the 13F portfolio, value $636,408.

    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 1,621 shares
    Change vs previous 13F +233 shares

    0.57% of the 13F portfolio, value $880,868.

    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 1,388 shares
    Change vs previous 13F +154 shares

    0.52% of the 13F portfolio, value $687,435.

    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 1,234 shares
    Change vs previous 13F not available

    0.49% of the 13F portfolio, value $644,099.

    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).