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Generali Asset Management SPA SGR: BIIB position timeline

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

Generali Asset Management SPA SGR held 35,374 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 35,374 shares
    Change vs previous 13F +1,180 shares

    0.14% of the 13F portfolio, value $7,642,906.

    13F-HR 0001123292-26-001028 filed by Generali Asset Management SPA SGR
    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 34,194 shares
    Change vs previous 13F +7,013 shares

    0.13% of the 13F portfolio, value $6,268,786.

    13F-HR 0001123292-26-000597 filed by Generali Asset Management SPA SGR
    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 27,181 shares
    Change vs previous 13F -13,744 shares

    0.1% of the 13F portfolio, value $4,783,584.

    13F-HR 0001123292-26-000085 filed by Generali Asset Management SPA SGR
    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 40,925 shares
    Change vs previous 13F -757 shares

    0.12% of the 13F portfolio, value $5,732,774.

    13F-HR 0001123292-25-000576 filed by Generali Asset Management SPA SGR
    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 41,682 shares
    Change vs previous 13F +2,518 shares

    0.12% of the 13F portfolio, value $5,234,842.

    13F-HR 0001123292-25-000320 filed by Generali Asset Management SPA SGR
    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 39,164 shares
    Change vs previous 13F +22,969 shares

    0.13% of the 13F portfolio, value $5,359,202.

    13F-HR 0001123292-25-000239 filed by Generali Asset Management SPA SGR
    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/A 16,195 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $2,476,539.

    13F-HR/A 0001123292-25-000254 filed by Generali Asset Management SPA SGR
    Filed (acceptance time not in the bulk data set), ingested

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