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Disclosery

AVIVA PLC: BIIB position timeline

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

AVIVA PLC held 108,052 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 108,052 shares
    Change vs previous 13F +11,188 shares

    0.03% of the 13F portfolio, value $23,345,715.

    13F-HR 0001140022-26-000010 filed by AVIVA PLC
    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 96,864 shares
    Change vs previous 13F -28,034 shares

    0.03% of the 13F portfolio, value $17,758,077.

    13F-HR 0001140022-26-000005 filed by AVIVA PLC
    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 124,898 shares
    Change vs previous 13F +9,192 shares

    0.04% of the 13F portfolio, value $21,980,799.

    13F-HR 0001140022-26-000002 filed by AVIVA PLC
    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 115,706 shares
    Change vs previous 13F +7,032 shares

    0.03% of the 13F portfolio, value $16,208,096.

    13F-HR 0001140022-25-000012 filed by AVIVA PLC
    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 108,674 shares
    Change vs previous 13F +6,945 shares

    0.03% of the 13F portfolio, value $13,648,368.

    13F-HR 0001140022-25-000009 filed by AVIVA PLC
    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 101,729 shares
    Change vs previous 13F +13,998 shares

    0.03% of the 13F portfolio, value $13,920,596.

    13F-HR 0001140022-25-000006 filed by AVIVA PLC
    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 87,731 shares
    Change vs previous 13F +69,199 shares

    0.03% of the 13F portfolio, value $13,415,825.

    13F-HR 0001140022-25-000002 filed by AVIVA PLC
    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 18,532 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,592,243.

    13F-HR 0001140022-24-000019 filed by AVIVA PLC
    Filed (acceptance time not in the bulk data set), ingested

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