Skip to content
Disclosery

GROUP ONE TRADING LLC: PBI position timeline

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

GROUP ONE TRADING LLC held 541,985 PBI 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 541,985 shares
    Change vs previous 13F -218,855 shares

    0.27% of the 13F portfolio, value $9,495,577.

    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 760,840 shares
    Change vs previous 13F +182,644 shares

    0.28% of the 13F portfolio, value $8,407,282.

    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 578,196 shares
    Change vs previous 13F -516,026 shares

    0.18% of the 13F portfolio, value $6,111,532.

    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 1,094,222 shares
    Change vs previous 13F +238,632 shares

    0.37% of the 13F portfolio, value $12,485,073.

    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 855,590 shares
    Change vs previous 13F +342,738 shares

    0.31% of the 13F portfolio, value $9,334,487.

    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 512,852 shares
    Change vs previous 13F -9,416 shares

    0.19% of the 13F portfolio, value $4,641,311.

    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 522,268 shares
    Change vs previous 13F -504,888 shares

    0.13% of the 13F portfolio, value $3,781,220.

    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 1,027,156 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $7,323,622.

    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).