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Virtus Investment Advisers, LLC: BIIB position timeline

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

Virtus Investment Advisers, LLC held 5,813 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 5,813 shares
    Change vs previous 13F +965 shares

    0.29% of the 13F portfolio, value $1,255,957.

    13F-HR 0000019481-26-000008 filed by Virtus Investment Advisers, LLC
    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 4,848 shares
    Change vs previous 13F +925 shares

    0.25% of the 13F portfolio, value $888,784.

    13F-HR 0000019481-26-000004 filed by Virtus Investment Advisers, LLC
    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 3,923 shares
    Change vs previous 13F +564 shares

    0.19% of the 13F portfolio, value $690,409.

    13F-HR 0000019481-26-000002 filed by Virtus Investment Advisers, LLC
    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 3,359 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $470,529.

    13F-HR 0001628280-25-052170 filed by Virtus Investment Advisers, LLC
    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 3,359 shares
    Change vs previous 13F +1,048 shares

    0.14% of the 13F portfolio, value $421,857.

    13F-HR 0001587281-25-000007 filed by Virtus Investment Advisers, LLC
    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 2,311 shares
    Change vs previous 13F +60 shares

    0.09% of the 13F portfolio, value $316,237.

    13F-HR 0000019481-25-000015 filed by Virtus Investment Advisers, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Virtus Investment Advisers, LLC: 2,311 shares
    • VIRTUS ADVISERS, LLC: 0 shares

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

  7. period ended2024-12-31
    13F 2,251 shares
    Change vs previous 13F +843 shares

    0.14% of the 13F portfolio, value $344,223.

    13F-HR 0001591068-25-000007 filed by VIRTUS ADVISERS, LLC
    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 1,408 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $272,927.

    13F-HR 0001862664-24-000010 filed by VIRTUS ADVISERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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