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Disclosery

S.A. Mason LLC: ISRG position timeline

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

S.A. Mason LLC held 2,745 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,745 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $1,091,632.

    13F-HR 0001800911-26-000003 filed by S.A. Mason 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 2,745 shares
    Change vs previous 13F +995 shares

    0.48% of the 13F portfolio, value $1,265,418.

    13F-HR 0001800911-26-000002 filed by S.A. Mason 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 1,750 shares
    Change vs previous 13F +225 shares

    0.39% of the 13F portfolio, value $991,130.

    13F-HR 0001800911-26-000001 filed by S.A. Mason 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 1,525 shares
    Change vs previous 13F +600 shares

    0.3% of the 13F portfolio, value $682,026.

    13F-HR 0001800911-25-000005 filed by S.A. Mason 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 925 shares
    Change vs previous 13F +430 shares

    0.24% of the 13F portfolio, value $502,654.

    13F-HR 0001800911-25-000003 filed by S.A. Mason 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 495 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $245,159.

    13F-HR 0001800911-25-000002 filed by S.A. Mason 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 495 shares
    Change vs previous 13F +20 shares

    0.14% of the 13F portfolio, value $258,370.

    13F-HR 0001800911-25-000001 filed by S.A. Mason 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 475 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $233,353.

    13F-HR 0001800911-24-000005 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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