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Westmount Partners, LLC: ISRG position timeline

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

Westmount Partners, LLC held 3,764 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-07-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,764 shares
    Change vs previous 13F +221 shares

    0.33% of the 13F portfolio, value $1,496,868.

    13F-HR 0002051491-26-000004 filed by Westmount Partners, 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 3,543 shares
    Change vs previous 13F -38 shares

    0.4% of the 13F portfolio, value $1,633,288.

    13F-HR 0002051491-26-000003 filed by Westmount Partners, 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 3,581 shares
    Change vs previous 13F -263 shares

    0.51% of the 13F portfolio, value $2,028,135.

    13F-HR 0002051491-26-000001 filed by Westmount Partners, 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 3,844 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $1,683,826.

    13F-HR 0002051491-25-000017 filed by Westmount Partners, 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 3,844 shares
    Change vs previous 13F +3 shares

    0.57% of the 13F portfolio, value $2,088,868.

    13F-HR 0002051491-25-000015 filed by Westmount Partners, 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 3,841 shares
    Change vs previous 13F +50 shares

    0.58% of the 13F portfolio, value $1,902,332.

    13F-HR 0002051491-25-000013 filed by Westmount Partners, 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 3,791 shares
    Change vs previous 13F 0 shares

    0.6% of the 13F portfolio, value $1,978,750.

    13F-HR 0002051491-25-000002 filed by Westmount Partners, 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 3,791 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $1,862,405.

    13F-HR 0002051491-25-000001 filed by Westmount Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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