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Walleye Capital LLC: BIIB position timeline

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

Walleye Capital LLC held 139,822 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 139,822 shares
    Change vs previous 13F +4,951 shares

    0.11% of the 13F portfolio, value $30,209,941.

    13F-HR 0001388391-26-000006 filed by Walleye Trading LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 139,253 shares
    • Walleye Capital LLC: 569 shares

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

  2. period ended2026-03-31
    13F/A 134,871 shares
    Change vs previous 13F +37,774 shares

    0.12% of the 13F portfolio, value $24,725,901.

    13F-HR 0001388391-26-000004 filed by Walleye Trading LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 99,532 shares
    • Walleye Capital LLC: 35,339 shares

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

  3. period ended2025-12-31
    13F 97,097 shares
    Change vs previous 13F +95,460 shares

    0.07% of the 13F portfolio, value $17,088,101.

    13F-HR 0001388391-26-000001 filed by Walleye Trading LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 95,522 shares
    • Walleye Capital LLC: 1,575 shares

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

  4. period ended2025-09-30
    13F 1,637 shares
    Change vs previous 13F -2,318 shares

    <0.01% of the 13F portfolio, value $229,311.

    13F-HR 0001172661-25-005014 filed by Walleye Capital 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 3,955 shares
    Change vs previous 13F -77,141 shares

    <0.01% of the 13F portfolio, value $496,708.

    13F-HR 0001172661-25-003139 filed by Walleye Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 0 shares
    • Walleye Capital LLC: 3,955 shares

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

  6. period ended2025-03-31
    13F 81,096 shares
    Change vs previous 13F +71,056 shares

    0.09% of the 13F portfolio, value $11,097,176.

    13F-HR 0001172661-25-001881 filed by Walleye Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 11,191 shares
    • Walleye Capital LLC: 69,905 shares

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

  7. period ended2024-12-31
    13F 10,040 shares
    Change vs previous 13F -11,715 shares

    0.01% of the 13F portfolio, value $1,535,317.

    13F-HR 0001172661-25-000826 filed by Walleye Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 0 shares
    • Walleye Capital LLC: 10,040 shares

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

  8. period ended2024-09-30
    13F 21,755 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $4,216,990.

    13F-HR 0001172661-24-004792 filed by Walleye Trading LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 17,102 shares
    • Walleye Capital LLC: 4,653 shares

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