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Disclosery

Leonteq Securities AG: BIIB position timeline

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

Leonteq Securities AG held 21,354 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,354 shares
    Change vs previous 13F -5,100 shares

    0.28% of the 13F portfolio, value $4,613,745.

    13F-HR 0001535950-26-000046 filed by Leonteq Securities AG
    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 26,454 shares
    Change vs previous 13F -1,506 shares

    0.29% of the 13F portfolio, value $4,849,812.

    13F-HR 0001535950-26-000043 filed by Leonteq Securities AG
    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 27,960 shares
    Change vs previous 13F +4,843 shares

    0.26% of the 13F portfolio, value $4,920,680.

    13F-HR 0001535950-26-000009 filed by Leonteq Securities AG
    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 23,117 shares
    Change vs previous 13F -85,751 shares

    0.17% of the 13F portfolio, value $3,238,229.

    13F-HR 0001535950-26-000012 filed by Leonteq Securities AG
    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 108,868 shares
    Change vs previous 13F +27,209 shares

    0.8% of the 13F portfolio, value $13,672,732.

    13F-HR 0001535950-26-000013 filed by Leonteq Securities AG
    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 81,659 shares
    Change vs previous 13F -32,704 shares

    0.84% of the 13F portfolio, value $11,082,759.

    13F-HR 0001535950-26-000016 filed by Leonteq Securities AG
    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 114,363 shares
    Change vs previous 13F +101,892 shares

    1.72% of the 13F portfolio, value $17,488,390.

    13F-HR 0001535950-26-000017 filed by Leonteq Securities AG
    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 12,471 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $2,417,379.

    13F-HR 0001535950-26-000023 filed by Leonteq Securities AG
    Filed (acceptance time not in the bulk data set), ingested

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