Quantum Portfolio Management LLC: ISRG position timeline

Quantum Portfolio Management LLC held 0 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 0 shares

   Change vs previous 13F -671 shares

   13F-HR 0001420506-26-001701 filed by Quantum Portfolio Management LLC
   Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

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

   Exited: the 13F for this period no longer lists the position.

2. period ended2026-03-31

   13F/A 671 shares

   Change vs previous 13F +48 shares

   0.13% of the 13F portfolio, value $309,324.

   13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio Management LLC
   Filed 2026-05-01 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

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

3. period ended2025-12-31

   13F 623 shares

   Change vs previous 13F -326 shares

   0.16% of the 13F portfolio, value $352,842.

   13F-HR 0001172661-26-000672 filed by Quantum Portfolio Management LLC
   Filed 2026-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

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

4. period ended2025-09-30

   13F 949 shares

   Change vs previous 13F +359 shares

   0.13% of the 13F portfolio, value $424,421.

   13F-HR 0001172661-25-004476 filed by Quantum Portfolio Management LLC
   Filed 2025-10-29 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

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

5. period ended2025-06-30

   13F 590 shares

   Change vs previous 13F -153 shares

   0.15% of the 13F portfolio, value $320,612.

   13F-HR 0001172661-25-003208 filed by Quantum Portfolio Management LLC
   Filed 2025-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

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

6. period ended2025-03-31

   13F 743 shares

   Change vs previous 13F -42 shares

   0.19% of the 13F portfolio, value $367,986.

   13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
   Filed 2025-05-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

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

7. period ended2024-12-31

   13F 785 shares

   Change vs previous 13F +1 shares

   0.22% of the 13F portfolio, value $409,739.

   13F-HR 0001172661-25-000338 filed by Quantum Portfolio Management LLC
   Filed 2025-01-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

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

8. period ended2024-09-30

   13F 784 shares

   Change vs previous 13F not available

   0.21% of the 13F portfolio, value $385,156.

   13F-HR 0001172661-24-004357 filed by Quantum Portfolio Management LLC
   Filed 2024-10-24 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

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