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Disclosery

Cinctive Capital Management LP: BIIB position timeline

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

Cinctive Capital Management LP held 72,793 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 72,793 shares
    Change vs previous 13F +53,444 shares

    0.63% of the 13F portfolio, value $15,727,656.

    13F-HR 0001172661-26-003628 filed by Cinctive Capital Management 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 19,349 shares
    Change vs previous 13F -32,824 shares

    0.23% of the 13F portfolio, value $3,547,252.

    13F-HR 0001172661-26-002084 filed by Cinctive Capital Management 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 52,173 shares
    Change vs previous 13F -13,664 shares

    0.53% of the 13F portfolio, value $9,181,926.

    13F-HR 0001172661-26-000866 filed by Cinctive Capital Management 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 65,837 shares
    Change vs previous 13F +51,035 shares

    0.46% of the 13F portfolio, value $9,222,447.

    13F-HR 0001172661-25-004851 filed by Cinctive Capital Management 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 14,802 shares
    Change vs previous 13F +6,908 shares

    0.1% of the 13F portfolio, value $1,858,983.

    13F-HR 0001172661-25-003355 filed by Cinctive Capital Management 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 7,894 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $1,080,215.

    13F-HR 0001172661-25-002039 filed by Cinctive Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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