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Disclosery

Arlington Trust Co LLC: BIIB position timeline

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

Arlington Trust Co LLC held 0 BIIB shares at 2025-09-30 per its 13F-HR filed 2025-10-28.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -20,417 shares

    13F-HR 0001389848-25-000021 filed by Arlington Partners 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.

  2. period ended2025-06-30
    13F 20,417 shares
    Change vs previous 13F -7,308 shares

    0.95% of the 13F portfolio, value $2,564,171.

    13F-HR 0001997685-25-000010 filed by Arlington Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 27,725 shares
    Change vs previous 13F +27,725 shares

    1.49% of the 13F portfolio, value $3,793,889.

    13F-HR 0001389848-25-000009 filed by Arlington Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -19,214 shares

    13F-HR 0001389848-25-000002 filed by Arlington Partners 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.

  5. period ended2024-09-30
    13F 19,214 shares
    Change vs previous 13F not available

    1.46% of the 13F portfolio, value $3,724,442.

    13F-HR 0001389848-24-000019 filed by Arlington Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

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