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Disclosery

DF DENT & CO INC: ISRG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DF DENT & CO INC on ISRG, newest first. How the timeline and the estimate are built.

DF DENT & CO INC held 250,449 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 250,449 shares
    Change vs previous 13F -24,864 shares

    1.89% of the 13F portfolio, value $99,598,558.

    13F-HR 0000934999-26-000003 filed by DF DENT & CO INC
    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 275,313 shares
    Change vs previous 13F -30,078 shares

    2.43% of the 13F portfolio, value $126,916,540.

    13F-HR 0000934999-26-000002 filed by DF DENT & CO INC
    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 305,391 shares
    Change vs previous 13F -34,376 shares

    2.49% of the 13F portfolio, value $172,961,247.

    13F-HR 0000934999-26-000001 filed by DF DENT & CO INC
    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 339,767 shares
    Change vs previous 13F +4,247 shares

    1.96% of the 13F portfolio, value $151,953,995.

    13F-HR 0000934999-25-000008 filed by DF DENT & CO INC
    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 335,520 shares
    Change vs previous 13F -9,540 shares

    2.31% of the 13F portfolio, value $182,324,923.

    13F-HR 0000934999-25-000005 filed by DF DENT & CO INC
    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 345,060 shares
    Change vs previous 13F -22,374 shares

    2.28% of the 13F portfolio, value $170,897,866.

    13F-HR 0000934999-25-000004 filed by DF DENT & CO INC
    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 367,434 shares
    Change vs previous 13F -89,839 shares

    2.43% of the 13F portfolio, value $191,785,851.

    13F-HR 0000934999-25-000002 filed by DF DENT & CO INC
    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 457,273 shares
    Change vs previous 13F not available

    2.73% of the 13F portfolio, value $224,644,310.

    13F-HR 0000934999-24-000013 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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