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Disclosery

Calamos Advisors LLC: ISRG position timeline

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

Calamos Advisors LLC held 155,998 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 155,998 shares
    Change vs previous 13F -36,812 shares

    0.2% of the 13F portfolio, value $62,037,285.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 131,023 shares
    • Calamos Wealth Management LLC: 24,975 shares

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

  2. period ended2026-03-31
    13F 192,810 shares
    Change vs previous 13F +56,337 shares

    0.31% of the 13F portfolio, value $88,883,481.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 165,835 shares
    • Calamos Wealth Management LLC: 26,975 shares

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

  3. period ended2025-12-31
    13F 136,473 shares
    Change vs previous 13F +23,333 shares

    0.28% of the 13F portfolio, value $77,292,848.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 135,737 shares
    • Calamos Wealth Management LLC: 736 shares

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

  4. period ended2025-09-30
    13F 113,140 shares
    Change vs previous 13F -29,808 shares

    0.2% of the 13F portfolio, value $50,599,602.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 113,140 shares
    • Calamos Wealth Management LLC: 0 shares

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

  5. period ended2025-06-30
    13F 142,948 shares
    Change vs previous 13F +29,784 shares

    0.3% of the 13F portfolio, value $77,679,373.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 126,302 shares
    • Calamos Wealth Management LLC: 16,646 shares

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

  6. period ended2025-03-31
    13F 113,164 shares
    Change vs previous 13F +944 shares

    0.26% of the 13F portfolio, value $56,046,734.

    13F-HR 0001085146-25-002415 filed by Calamos Advisors 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 112,220 shares
    Change vs previous 13F -3,252 shares

    0.27% of the 13F portfolio, value $58,574,351.

    13F-HR 0001085146-25-000482 filed by Calamos Advisors 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 115,472 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $56,727,929.

    13F-HR 0001085146-24-005402 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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