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Disclosery

GROUP ONE TRADING LLC: UNH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on UNH, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 127,354 UNH 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 127,354 shares
    Change vs previous 13F +101,394 shares

    1.53% of the 13F portfolio, value $52,932,143.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING 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 25,960 shares
    Change vs previous 13F -37,651 shares

    0.23% of the 13F portfolio, value $7,024,516.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING 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 63,611 shares
    Change vs previous 13F +41,409 shares

    0.62% of the 13F portfolio, value $20,998,627.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING 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 22,202 shares
    Change vs previous 13F -22,902 shares

    0.23% of the 13F portfolio, value $7,666,351.

    13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING 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 45,104 shares
    Change vs previous 13F -4,536 shares

    0.46% of the 13F portfolio, value $14,071,095.

    13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING 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 49,640 shares
    Change vs previous 13F -41,784 shares

    1.08% of the 13F portfolio, value $25,998,950.

    13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
    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 91,424 shares
    Change vs previous 13F +84,278 shares

    1.57% of the 13F portfolio, value $46,247,745.

    13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING 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 7,146 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $4,178,123.

    13F-HR 0000932540-24-000015 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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