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Disclosery

GROUP ONE TRADING LLC: PSEC position timeline

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

GROUP ONE TRADING LLC held 102,510 PSEC 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 102,510 shares
    Change vs previous 13F -11,949 shares

    0.01% of the 13F portfolio, value $236,798.

    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 114,459 shares
    Change vs previous 13F +30,117 shares

    0.01% of the 13F portfolio, value $298,738.

    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 84,342 shares
    Change vs previous 13F -288,180 shares

    0.01% of the 13F portfolio, value $218,446.

    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 372,522 shares
    Change vs previous 13F +267,262 shares

    0.03% of the 13F portfolio, value $1,024,436.

    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 105,260 shares
    Change vs previous 13F +77,433 shares

    0.01% of the 13F portfolio, value $334,727.

    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 27,827 shares
    Change vs previous 13F -231,026 shares

    <0.01% of the 13F portfolio, value $114,091.

    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 258,853 shares
    Change vs previous 13F +121,804 shares

    0.04% of the 13F portfolio, value $1,115,656.

    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 137,049 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $733,212.

    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).