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Disclosery

Sigma Planning Corp: BIIB position timeline

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

Sigma Planning Corp held 6,193 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,193 shares
    Change vs previous 13F -1,008 shares

    0.03% of the 13F portfolio, value $1,338,060.

    13F-HR 0001420506-26-001464 filed by Sigma Planning Corp
    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 7,201 shares
    Change vs previous 13F +1,955 shares

    0.04% of the 13F portfolio, value $1,320,159.

    13F-HR 0001420506-26-000793 filed by Sigma Planning Corp
    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 5,246 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $923,244.

    13F-HR 0001420506-26-000121 filed by Sigma Planning Corp
    Filed (acceptance time not in the bulk data set), ingested

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