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Disclosery

TFB Advisors LLC: BIIB position timeline

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

TFB Advisors LLC held 2,424 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,424 shares
    Change vs previous 13F +1 shares

    0.23% of the 13F portfolio, value $523,729.

    13F-HR 0001965201-26-000003 filed by TFB Advisors 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 2,423 shares
    Change vs previous 13F -25 shares

    0.23% of the 13F portfolio, value $444,209.

    13F-HR 0001965201-26-000002 filed by TFB 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 2,448 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $430,824.

    13F-HR 0001965201-26-000001 filed by TFB 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 2,448 shares
    Change vs previous 13F -23 shares

    0.1% of the 13F portfolio, value $355,719.

    13F-HR 0001965201-25-000004 filed by TFB 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 2,471 shares
    Change vs previous 13F +32 shares

    0.08% of the 13F portfolio, value $310,333.

    13F-HR 0001830817-25-000004 filed by TFB 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 2,439 shares
    Change vs previous 13F +5 shares

    0.1% of the 13F portfolio, value $333,753.

    13F-HR 0001965201-25-000003 filed by TFB 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 2,434 shares
    Change vs previous 13F -13 shares

    0.11% of the 13F portfolio, value $372,207.

    13F-HR 0001965201-25-000001 filed by TFB 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 2,447 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $474,326.

    13F-HR 0001965201-24-000003 filed by TFB Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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