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AMERICAN CENTURY COMPANIES INC: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CENTURY COMPANIES INC on BSX, newest first. How the timeline and the estimate are built.

AMERICAN CENTURY COMPANIES INC held 305,390 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 305,390 shares
    Change vs previous 13F -2,312,413 shares

    0.01% of the 13F portfolio, value $13,034,045.

    13F-HR 0000748054-26-000005 filed by AMERICAN CENTURY COMPANIES 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 2,617,803 shares
    Change vs previous 13F -1,984,391 shares

    0.08% of the 13F portfolio, value $164,267,138.

    13F-HR 0000748054-26-000002 filed by AMERICAN CENTURY COMPANIES 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 4,602,194 shares
    Change vs previous 13F +603,088 shares

    0.22% of the 13F portfolio, value $438,819,197.

    13F-HR 0000748054-26-000001 filed by AMERICAN CENTURY COMPANIES 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 3,999,106 shares
    Change vs previous 13F -84,219 shares

    0.2% of the 13F portfolio, value $390,432,719.

    13F-HR 0000748054-25-000009 filed by AMERICAN CENTURY COMPANIES 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 4,083,325 shares
    Change vs previous 13F +195,947 shares

    0.24% of the 13F portfolio, value $438,589,938.

    13F-HR 0001085146-25-004910 filed by AMERICAN CENTURY COMPANIES 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 3,887,378 shares
    Change vs previous 13F -601,445 shares

    0.24% of the 13F portfolio, value $392,158,693.

    13F-HR 0001085146-25-003039 filed by AMERICAN CENTURY COMPANIES 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 4,488,823 shares
    Change vs previous 13F +925,268 shares

    0.23% of the 13F portfolio, value $400,941,670.

    13F-HR 0001085146-25-000985 filed by AMERICAN CENTURY COMPANIES 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 3,563,555 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $298,625,909.

    13F-HR 0001085146-24-005525 filed by AMERICAN CENTURY COMPANIES INC
    Filed (acceptance time not in the bulk data set), ingested

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