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Seilern Investment Management Ltd: UNH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Seilern Investment Management Ltd on UNH, newest first. How the timeline and the estimate are built.

Seilern Investment Management Ltd held 130,988 UNH shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 130,988 shares
    Change vs previous 13F -29,035 shares

    6.23% of the 13F portfolio, value $48,083,075.

    13F-HR 0001817797-26-000008 filed by Seilern Investment Management Ltd
    Accepted , ingested

  2. period ended2026-06-30
    13F 160,023 shares
    Change vs previous 13F -121,096 shares

    8.38% of the 13F portfolio, value $66,510,359.

    13F-HR 0001817797-26-000004 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 281,119 shares
    Change vs previous 13F -74,817 shares

    9.07% of the 13F portfolio, value $76,067,990.

    13F-HR 0001817797-26-000003 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 355,936 shares
    Change vs previous 13F -29,784 shares

    9.11% of the 13F portfolio, value $117,498,033.

    13F-HR 0001817797-26-000001 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 385,720 shares
    Change vs previous 13F -6,961 shares

    9.63% of the 13F portfolio, value $133,189,116.

    13F-HR 0001817797-25-000011 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 392,681 shares
    Change vs previous 13F +129,583 shares

    8.08% of the 13F portfolio, value $122,504,692.

    13F-HR 0001817797-25-000007 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 263,098 shares
    Change vs previous 13F -39,386 shares

    9.01% of the 13F portfolio, value $137,797,578.

    13F-HR 0001817797-25-000006 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 302,484 shares
    Change vs previous 13F not available

    8.72% of the 13F portfolio, value $153,014,556.

    13F-HR 0001817797-25-000003 filed by Seilern Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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