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Disclosery

BARCLAYS PLC: BIIB position timeline

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

BARCLAYS PLC held 247,157 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 247,157 shares
    Change vs previous 13F -304,317 shares

    0.02% of the 13F portfolio, value $53,400,742.

    13F-HR 0000312069-26-000223 filed by BARCLAYS 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 551,474 shares
    Change vs previous 13F -753,533 shares

    0.04% of the 13F portfolio, value $101,101,725.

    13F-HR 0000312069-26-000139 filed by BARCLAYS 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 1,305,007 shares
    Change vs previous 13F -54,417 shares

    0.09% of the 13F portfolio, value $229,668,181.

    13F-HR 0000312069-26-000069 filed by BARCLAYS 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/A 1,359,424 shares
    Change vs previous 13F +561,769 shares

    0.07% of the 13F portfolio, value $190,428,112.

    13F-HR/A 0000312069-26-000090 filed by BARCLAYS 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/A 797,655 shares
    Change vs previous 13F -120,698 shares

    0.04% of the 13F portfolio, value $100,177,491.

    13F-HR/A 0000312069-26-000078 filed by BARCLAYS 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/A 918,353 shares
    Change vs previous 13F +79,999 shares

    0.06% of the 13F portfolio, value $125,667,423.

    13F-HR/A 0000312069-26-000079 filed by BARCLAYS 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/A 838,354 shares
    Change vs previous 13F -82,902 shares

    0.06% of the 13F portfolio, value $128,201,094.

    13F-HR/A 0000312069-26-000080 filed by BARCLAYS 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/A 921,256 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $178,576,264.

    13F-HR/A 0000312069-26-000089 filed by BARCLAYS PLC
    Filed (acceptance time not in the bulk data set), ingested

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