Skip to content

HARTFORD INVESTMENT MANAGEMENT CO: BIIB position timeline

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

HARTFORD INVESTMENT MANAGEMENT CO held 8,140 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,140 shares
    Change vs previous 13F -261 shares

    0.05% of the 13F portfolio, value $1,758,728.

    13F-HR 0000922439-26-000005 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,401 shares
    Change vs previous 13F -100 shares

    0.05% of the 13F portfolio, value $1,540,155.

    13F-HR 0000922439-26-000004 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,501 shares
    Change vs previous 13F -121 shares

    0.04% of the 13F portfolio, value $1,496,091.

    13F-HR 0000922439-26-000002 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,622 shares
    Change vs previous 13F -169 shares

    0.04% of the 13F portfolio, value $1,207,770.

    13F-HR 0000922439-25-000013 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,791 shares
    Change vs previous 13F -76 shares

    0.04% of the 13F portfolio, value $1,104,062.

    13F-HR 0000922439-25-000011 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,867 shares
    Change vs previous 13F -91 shares

    0.04% of the 13F portfolio, value $1,213,360.

    13F-HR 0000922439-25-000009 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 8,958 shares
    Change vs previous 13F -174 shares

    0.04% of the 13F portfolio, value $1,369,857.

    13F-HR 0000922439-25-000003 filed by HARTFORD INVESTMENT MANAGEMENT CO
    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 9,132 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $1,770,147.

    13F-HR 0000922439-24-000012 filed by HARTFORD INVESTMENT MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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