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FACTORY MUTUAL INSURANCE CO: ISRG position timeline

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

FACTORY MUTUAL INSURANCE CO held 132,825 ISRG shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 132,825 shares
    Change vs previous 13F +64,725 shares

    0.5% of the 13F portfolio, value $52,821,846.

    13F-HR 0000887818-26-000003 filed by FACTORY MUTUAL INSURANCE CO
    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 68,100 shares
    Change vs previous 13F +23,600 shares

    0.35% of the 13F portfolio, value $31,393,419.

    13F-HR 0000887818-26-000002 filed by FACTORY MUTUAL INSURANCE CO
    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 44,500 shares
    Change vs previous 13F +29,200 shares

    0.26% of the 13F portfolio, value $25,203,020.

    13F-HR 0000887818-26-000001 filed by FACTORY MUTUAL INSURANCE CO
    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 15,300 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $6,842,619.

    13F-HR 0000887818-25-000002 filed by FACTORY MUTUAL INSURANCE CO
    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 15,300 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $8,314,173.

    13F-HR 0001085146-25-004651 filed by FACTORY MUTUAL INSURANCE CO
    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 15,300 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $7,577,631.

    13F-HR 0001085146-25-002161 filed by FACTORY MUTUAL INSURANCE CO
    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 15,300 shares
    Change vs previous 13F -5,200 shares

    0.09% of the 13F portfolio, value $7,985,988.

    13F-HR 0001085146-25-000453 filed by FACTORY MUTUAL INSURANCE CO
    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 20,500 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $10,071,035.

    13F-HR 0001085146-24-004830 filed by FACTORY MUTUAL INSURANCE CO
    Filed (acceptance time not in the bulk data set), ingested

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