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Disclosery

Atika Capital Management LLC: ISRG position timeline

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

Atika Capital Management LLC held 57,216 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 57,216 shares
    Change vs previous 13F 0 shares

    2.26% of the 13F portfolio, value $22,753,659.

    13F-HR 0001214659-26-010035 filed by Atika Capital Management 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 57,216 shares
    Change vs previous 13F 0 shares

    4.16% of the 13F portfolio, value $26,376,003.

    13F-HR 0001214659-26-006119 filed by Atika Capital Management 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 57,216 shares
    Change vs previous 13F -20 shares

    4.51% of the 13F portfolio, value $32,404,853.

    13F-HR 0001214659-26-001658 filed by Atika Capital Management 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 57,236 shares
    Change vs previous 13F -2,364 shares

    2.18% of the 13F portfolio, value $25,597,656.

    13F-HR 0001214659-25-016379 filed by Atika Capital Management 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 59,600 shares
    Change vs previous 13F +4,500 shares

    3.38% of the 13F portfolio, value $32,387,236.

    13F-HR 0001214659-25-011890 filed by Atika Capital Management 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 55,100 shares
    Change vs previous 13F +1,500 shares

    4.19% of the 13F portfolio, value $27,289,376.

    13F-HR 0001214659-25-007540 filed by Atika Capital Management 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 53,600 shares
    Change vs previous 13F -600 shares

    3.62% of the 13F portfolio, value $27,977,056.

    13F-HR 0001214659-25-002515 filed by Atika Capital Management 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 54,200 shares
    Change vs previous 13F not available

    2.85% of the 13F portfolio, value $26,626,834.

    13F-HR 0001214659-24-018802 filed by Atika Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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