Skip to content
Disclosery

One Madison Group LLC: IBKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of One Madison Group LLC on IBKR, newest first. How the timeline and the estimate are built.

One Madison Group LLC held 249,500 IBKR 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 249,500 shares
    Change vs previous 13F +30,125 shares

    2.09% of the 13F portfolio, value $21,716,480.

    13F-HR 0001420506-26-001829 filed by One Madison Group 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 219,375 shares
    Change vs previous 13F +79,375 shares

    1.7% of the 13F portfolio, value $14,713,481.

    13F-HR 0001420506-26-001149 filed by One Madison Group 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 140,000 shares
    Change vs previous 13F -30,000 shares

    1.04% of the 13F portfolio, value $9,003,400.

    13F-HR 0001420506-26-000582 filed by One Madison Group 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 170,000 shares
    Change vs previous 13F -34,000 shares

    1.28% of the 13F portfolio, value $11,697,700.

    13F-HR 0001420506-25-003405 filed by One Madison Group 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 204,000 shares
    Change vs previous 13F +144,000 shares

    1.19% of the 13F portfolio, value $11,303,640.

    13F-HR 0001420506-25-002178 filed by One Madison Group 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 60,000 shares
    Change vs previous 13F -90,000 shares

    1.3% of the 13F portfolio, value $9,935,400.

    13F-HR 0001420506-25-001268 filed by One Madison Group 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 150,000 shares
    Change vs previous 13F not available

    3.03% of the 13F portfolio, value $26,500,500.

    13F-HR 0001420506-25-000606 filed by One Madison Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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