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CITADEL ADVISORS LLC: BSX position timeline

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

CITADEL ADVISORS LLC held 4,987,748 BSX shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 4,987,748 shares
    Change vs previous 13F +770,434 shares

    0.12% of the 13F portfolio, value $212,877,084.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 4,217,314 shares
    Change vs previous 13F -558,304 shares

    0.19% of the 13F portfolio, value $264,636,454.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS 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 4,775,618 shares
    Change vs previous 13F -4,130,627 shares

    0.31% of the 13F portfolio, value $455,355,176.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS 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 8,906,245 shares
    Change vs previous 13F +3,501,940 shares

    0.7% of the 13F portfolio, value $869,516,699.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS 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 5,404,305 shares
    Change vs previous 13F -29,250 shares

    0.5% of the 13F portfolio, value $580,476,400.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS 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 5,433,555 shares
    Change vs previous 13F +502,103 shares

    0.54% of the 13F portfolio, value $548,137,028.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS 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 4,931,452 shares
    Change vs previous 13F -4,861,651 shares

    0.41% of the 13F portfolio, value $440,477,292.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    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 9,793,103 shares
    Change vs previous 13F not available

    0.86% of the 13F portfolio, value $820,662,031.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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