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Disclosery

GROUP ONE TRADING LLC: AAOI position timeline

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

GROUP ONE TRADING LLC held 110,362 AAOI 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 110,362 shares
    Change vs previous 13F -25,610 shares

    0.47% of the 13F portfolio, value $16,351,234.

    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 135,972 shares
    Change vs previous 13F -24,754 shares

    0.38% of the 13F portfolio, value $11,501,871.

    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 160,726 shares
    Change vs previous 13F -32,262 shares

    0.17% of the 13F portfolio, value $5,602,908.

    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 192,988 shares
    Change vs previous 13F +110,975 shares

    0.15% of the 13F portfolio, value $5,004,179.

    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 82,013 shares
    Change vs previous 13F -32,241 shares

    0.07% of the 13F portfolio, value $2,106,914.

    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 114,254 shares
    Change vs previous 13F -285,366 shares

    0.07% of the 13F portfolio, value $1,753,799.

    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 399,620 shares
    Change vs previous 13F +54,584 shares

    0.5% of the 13F portfolio, value $14,729,993.

    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 345,036 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $4,937,465.

    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).