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Disclosery

SIG BROKERAGE, LP: BIIB position timeline

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

SIG BROKERAGE, LP held 6,824 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,824 shares
    Change vs previous 13F +1,324 shares

    0.24% of the 13F portfolio, value $1,474,393.

    13F-HR 0001094429-26-000011 filed by SIG BROKERAGE, LP
    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 5,500 shares
    Change vs previous 13F -5,422 shares

    0.29% of the 13F portfolio, value $1,008,315.

    13F-HR 0001094429-26-000008 filed by SIG BROKERAGE, LP
    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 10,922 shares
    Change vs previous 13F +6,141 shares

    0.65% of the 13F portfolio, value $1,922,163.

    13F-HR 0001094429-26-000001 filed by SIG BROKERAGE, LP
    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 4,781 shares
    Change vs previous 13F +1,402 shares

    0.17% of the 13F portfolio, value $669,722.

    13F-HR 0001094429-25-000018 filed by SIG BROKERAGE, LP
    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 3,379 shares
    Change vs previous 13F -846 shares

    0.12% of the 13F portfolio, value $424,369.

    13F-HR 0001094429-25-000014 filed by SIG BROKERAGE, LP
    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 4,225 shares
    Change vs previous 13F -186 shares

    0.17% of the 13F portfolio, value $578,149.

    13F-HR 0001094429-25-000011 filed by SIG BROKERAGE, LP
    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 4,411 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $674,530.

    13F-HR 0001094429-25-000005 filed by SIG BROKERAGE, LP
    Filed (acceptance time not in the bulk data set), ingested

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