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Disclosery

MARSHALL WACE, LLP: UNH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on UNH, newest first. How the timeline and the estimate are built.

MARSHALL WACE, LLP held 1,833,046 UNH 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 1,833,046 shares
    Change vs previous 13F +422,712 shares

    0.64% of the 13F portfolio, value $761,869,377.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 1,410,334 shares
    Change vs previous 13F -293,804 shares

    0.41% of the 13F portfolio, value $381,622,279.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 1,704,138 shares
    Change vs previous 13F +1,484,817 shares

    0.54% of the 13F portfolio, value $562,552,993.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 219,321 shares
    Change vs previous 13F -934,488 shares

    0.08% of the 13F portfolio, value $75,731,541.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 1,153,809 shares
    Change vs previous 13F +222,643 shares

    0.43% of the 13F portfolio, value $359,953,794.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 931,166 shares
    Change vs previous 13F -1,023,067 shares

    0.65% of the 13F portfolio, value $487,698,196.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 1,954,233 shares
    Change vs previous 13F +1,645,530 shares

    1.24% of the 13F portfolio, value $988,568,305.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 308,703 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $180,492,471.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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