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Disclosery

CWM, LLC: BIIB position timeline

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

CWM, LLC held 55,175 BIIB shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 55,175 shares
    Change vs previous 13F +6,285 shares

    0.03% of the 13F portfolio, value $10,115,215.

    13F-HR 0001580642-26-003177 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-12-31
    13F 48,890 shares
    Change vs previous 13F +1,435 shares

    0.02% of the 13F portfolio, value $8,604,000.

    13F-HR 0001580642-26-000404 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 47,455 shares
    Change vs previous 13F +12,673 shares

    0.02% of the 13F portfolio, value $6,648,000.

    13F-HR 0001580642-25-006592 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 34,782 shares
    Change vs previous 13F +6,639 shares

    0.02% of the 13F portfolio, value $4,368,000.

    13F-HR 0001580642-25-004473 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 28,143 shares
    Change vs previous 13F +12,418 shares

    0.02% of the 13F portfolio, value $3,851,000.

    13F-HR 0001580642-25-002731 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 15,725 shares
    Change vs previous 13F +12,440 shares

    0.01% of the 13F portfolio, value $2,405,000.

    13F-HR 0001580642-25-000735 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 3,285 shares
    Change vs previous 13F -480 shares

    <0.01% of the 13F portfolio, value $637,000.

    13F-HR 0001580642-24-006078 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-06-30
    13F 3,765 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $873,000.

    13F-HR 0001580642-24-003600 filed by CWM, LLC
    Filed (acceptance time not in the bulk data set), ingested

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