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Disclosery

&PARTNERS: BIIB position timeline

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

&PARTNERS held 5,128 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 5,128 shares
    Change vs previous 13F +91 shares

    <0.01% of the 13F portfolio, value $1,107,956.

    13F-HR 0001214659-26-010148 filed by &PARTNERS
    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 5,037 shares
    Change vs previous 13F +752 shares

    <0.01% of the 13F portfolio, value $893,184.

    13F-HR 0001214659-26-006256 filed by &PARTNERS
    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 4,285 shares
    Change vs previous 13F +755 shares

    <0.01% of the 13F portfolio, value $832,961.

    13F-HR 0001214659-26-001828 filed by &PARTNERS
    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 3,530 shares
    Change vs previous 13F +671 shares

    <0.01% of the 13F portfolio, value $494,342.

    13F-HR 0001214659-25-016487 filed by &PARTNERS
    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 2,859 shares
    Change vs previous 13F +1,076 shares

    <0.01% of the 13F portfolio, value $361,448.

    13F-HR 0001214659-25-012047 filed by &PARTNERS
    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 1,783 shares
    Change vs previous 13F +62 shares

    <0.01% of the 13F portfolio, value $246,990.

    13F-HR 0001214659-25-007673 filed by &PARTNERS
    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 1,721 shares
    Change vs previous 13F -475 shares

    <0.01% of the 13F portfolio, value $261,655.

    13F-HR 0001214659-25-002647 filed by &PARTNERS
    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 2,196 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $431,100.

    13F-HR 0001214659-24-018930 filed by &PARTNERS
    Filed (acceptance time not in the bulk data set), ingested

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