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Disclosery

Amundi: BIIB position timeline

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

Amundi held 1,516,831 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 1,516,831 shares
    Change vs previous 13F +726,004 shares

    0.08% of the 13F portfolio, value $327,726,507.

    13F-HR 0001172661-26-003278 filed by Amundi
    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 790,827 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $144,982,314.

    13F-HR 0001172661-26-002409 filed by Amundi
    Filed (acceptance time not in the bulk data set), ingested

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