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Jefferies Financial Group Inc.: BIIB position timeline

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

Jefferies Financial Group Inc. held 27,463 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 27,463 shares
    Change vs previous 13F +5,561 shares

    0.05% of the 13F portfolio, value $5,933,656.

    13F-HR 0001085146-26-000619 filed by Jefferies Financial Group Inc.
    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 21,902 shares
    Change vs previous 13F -10,611 shares

    0.05% of the 13F portfolio, value $4,015,294.

    13F-HR 0000096223-26-000018 filed by Jefferies Financial Group Inc.
    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 32,513 shares
    Change vs previous 13F +1,913 shares

    0.05% of the 13F portfolio, value $5,721,963.

    13F-HR 0000096223-26-000010 filed by Jefferies Financial Group Inc.
    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 30,600 shares
    Change vs previous 13F -6,517 shares

    0.04% of the 13F portfolio, value $4,286,448.

    13F-HR 0000096223-25-000015 filed by Jefferies Financial Group Inc.
    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 37,117 shares
    Change vs previous 13F -12,877 shares

    0.08% of the 13F portfolio, value $4,661,524.

    13F-HR 0001085146-25-004924 filed by Jefferies Financial Group Inc.
    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 49,994 shares
    Change vs previous 13F -33,853 shares

    0.12% of the 13F portfolio, value $6,841,178.

    13F-HR 0001085146-25-002834 filed by Jefferies Financial Group Inc.
    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/A 83,847 shares
    Change vs previous 13F +40,820 shares

    0.14% of the 13F portfolio, value $12,821,883.

    13F-HR/A 0001085146-25-001774 filed by Jefferies Financial Group Inc.
    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 43,027 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $8,340,354.

    13F-HR 0001085146-24-005726 filed by Jefferies Financial Group Inc.
    Filed (acceptance time not in the bulk data set), ingested

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