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Disclosery

GAGNON SECURITIES LLC: ISRG position timeline

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

GAGNON SECURITIES LLC held 29,144 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,144 shares
    Change vs previous 13F -2,475 shares

    2.23% of the 13F portfolio, value $11,589,991.

    13F-HR 0001019056-26-000123 filed by GAGNON SECURITIES 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 31,619 shares
    Change vs previous 13F -178 shares

    3.36% of the 13F portfolio, value $14,576,048.

    13F-HR 0001019056-26-000076 filed by GAGNON SECURITIES 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 31,797 shares
    Change vs previous 13F -11,562 shares

    3.67% of the 13F portfolio, value $18,008,556.

    13F-HR 0001019056-26-000037 filed by GAGNON SECURITIES 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 43,359 shares
    Change vs previous 13F -10,465 shares

    3.89% of the 13F portfolio, value $19,391,451.

    13F-HR 0001019056-25-000228 filed by GAGNON SECURITIES 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 53,824 shares
    Change vs previous 13F -2,881 shares

    5.94% of the 13F portfolio, value $29,248,506.

    13F-HR 0001019056-25-000196 filed by GAGNON SECURITIES 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 56,705 shares
    Change vs previous 13F -2,456 shares

    6.18% of the 13F portfolio, value $28,084,291.

    13F-HR 0001019056-25-000173 filed by GAGNON SECURITIES 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 59,161 shares
    Change vs previous 13F -2,909 shares

    6.22% of the 13F portfolio, value $30,879,682.

    13F-HR 0001019056-25-000034 filed by GAGNON SECURITIES 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 62,070 shares
    Change vs previous 13F not available

    6.05% of the 13F portfolio, value $30,493,135.

    13F-HR 0001019056-24-000316 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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