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TWO SIGMA INVESTMENTS, LP: ISRG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on ISRG, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 1,979,128 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 1,979,128 shares
    Change vs previous 13F +573,794 shares

    0.59% of the 13F portfolio, value $787,059,623.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, LP
    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 1,405,334 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. 0.54% of the 13F portfolio, value $647,844,921.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    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 1,526,439 shares
    Change vs previous 13F -302,978 shares

    0.73% of the 13F portfolio, value $864,513,992.

    13F-HR 0000899140-26-000225 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 459,879 shares
    • TWO SIGMA ADVISERS, LP: 1,066,560 shares

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

  4. period ended2025-09-30
    13F 1,829,417 shares
    Change vs previous 13F +849,246 shares

    0.71% of the 13F portfolio, value $818,170,165.

    13F-HR 0000899140-25-001279 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 551,017 shares
    • TWO SIGMA ADVISERS, LP: 1,278,400 shares

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

  5. period ended2025-06-30
    13F 980,171 shares
    Change vs previous 13F -131,390 shares

    0.51% of the 13F portfolio, value $532,634,723.

    13F-HR 0000899140-25-000953 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 400,871 shares
    • TWO SIGMA ADVISERS, LP: 579,300 shares

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

  6. period ended2025-03-31
    13F 1,111,561 shares
    Change vs previous 13F +920,151 shares

    0.61% of the 13F portfolio, value $550,522,816.

    13F-HR 0000899140-25-000679 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 411,661 shares
    • TWO SIGMA ADVISERS, LP: 699,900 shares

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

  7. period ended2024-12-31
    13F 191,410 shares
    Change vs previous 13F +188,278 shares

    0.12% of the 13F portfolio, value $99,908,364.

    13F-HR 0000899140-25-000264 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 68,310 shares
    • TWO SIGMA ADVISERS, LP: 123,100 shares

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

  8. period ended2024-09-30
    13F 3,132 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,538,658.

    13F-HR 0000919574-24-006607 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 632 shares
    • TWO SIGMA ADVISERS, LP: 2,500 shares

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