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Janney Montgomery Scott LLC: BIIB position timeline

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

Janney Montgomery Scott LLC held 8,100 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,100 shares
    Change vs previous 13F +8,100 shares

    <0.01% of the 13F portfolio, value $1,750,000.

    13F-HR 0001329948-26-000006 filed by Janney Montgomery Scott 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 0 shares
    Change vs previous 13F -11,775 shares

    13F-HR 0001329948-26-000004 filed by Janney Montgomery Scott LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F 11,775 shares
    Change vs previous 13F -6,928 shares

    <0.01% of the 13F portfolio, value $2,072,000.

    13F-HR 0001329948-26-000001 filed by Janney Montgomery Scott 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 18,703 shares
    Change vs previous 13F -396 shares

    0.01% of the 13F portfolio, value $2,620,000.

    13F-HR 0001329948-25-000015 filed by Janney Montgomery Scott 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 19,099 shares
    Change vs previous 13F +1,158 shares

    0.01% of the 13F portfolio, value $2,399,000.

    13F-HR 0001329948-25-000008 filed by Janney Montgomery Scott 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 17,941 shares
    Change vs previous 13F +5,620 shares

    0.01% of the 13F portfolio, value $2,455,000.

    13F-HR 0001329948-25-000004 filed by Janney Montgomery Scott 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 12,321 shares
    Change vs previous 13F -1,218 shares

    0.01% of the 13F portfolio, value $1,884,000.

    13F-HR 0001329948-25-000001 filed by Janney Montgomery Scott 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 13,539 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,625,000.

    13F-HR 0001329948-24-000023 filed by Janney Montgomery Scott LLC
    Filed (acceptance time not in the bulk data set), ingested

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