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ACADIAN ASSET MANAGEMENT LLC: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ACADIAN ASSET MANAGEMENT LLC on BSX, newest first. How the timeline and the estimate are built.

ACADIAN ASSET MANAGEMENT LLC held 986,764 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 986,764 shares
    Change vs previous 13F -508,376 shares

    0.05% of the 13F portfolio, value $42,100,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,495,140 shares
    Change vs previous 13F +413,867 shares

    0.13% of the 13F portfolio, value $93,792,000.

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,081,273 shares
    Change vs previous 13F +224,967 shares

    0.17% of the 13F portfolio, value $103,080,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    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 856,306 shares
    Change vs previous 13F -31,172 shares

    0.15% of the 13F portfolio, value $83,580,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    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 887,478 shares
    Change vs previous 13F +281,249 shares

    0.2% of the 13F portfolio, value $95,308,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    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 606,229 shares
    Change vs previous 13F +492,891 shares

    0.17% of the 13F portfolio, value $61,142,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    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 113,338 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $10,112,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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