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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STATE OF WISCONSIN INVESTMENT BOARD on BSX, newest first. How the timeline and the estimate are built.

STATE OF WISCONSIN INVESTMENT BOARD held 854,407 BSX 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 854,407 shares
    Change vs previous 13F +20,452 shares

    0.07% of the 13F portfolio, value $36,466,091.

    13F-HR 0001062993-26-004375 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 833,955 shares
    Change vs previous 13F +66,101 shares

    0.12% of the 13F portfolio, value $52,330,676.

    13F-HR 0001062993-26-002676 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 767,854 shares
    Change vs previous 13F -73,676 shares

    0.16% of the 13F portfolio, value $73,214,879.

    13F-HR 0001062993-26-000957 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 841,530 shares
    Change vs previous 13F +34,794 shares

    0.19% of the 13F portfolio, value $82,158,574.

    13F-HR 0001062993-25-016783 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 806,736 shares
    Change vs previous 13F -76,177 shares

    0.21% of the 13F portfolio, value $86,651,514.

    13F-HR 0001062993-25-014368 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 882,913 shares
    Change vs previous 13F +6,098 shares

    0.23% of the 13F portfolio, value $89,068,263.

    13F-HR 0001062993-25-009484 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 876,815 shares
    Change vs previous 13F -40,426 shares

    0.2% of the 13F portfolio, value $78,317,116.

    13F-HR 0001062993-25-002462 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 917,241 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $76,864,796.

    13F-HR 0001062993-24-019058 filed by STATE OF WISCONSIN INVESTMENT BOARD
    Filed (acceptance time not in the bulk data set), ingested

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