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Disclosery

IMC-Chicago, LLC: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of IMC-Chicago, LLC on CMCSA, newest first. How the timeline and the estimate are built.

IMC-Chicago, LLC held 799,149 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 799,149 shares
    Change vs previous 13F +497,449 shares

    0.18% of the 13F portfolio, value $19,619,108.

    13F-HR 0001452861-26-000006 filed by IMC-Chicago, 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 301,700 shares
    Change vs previous 13F -340,221 shares

    0.13% of the 13F portfolio, value $8,661,807.

    13F-HR 0001452861-26-000005 filed by IMC-Chicago, 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 641,921 shares
    Change vs previous 13F +198,740 shares

    0.34% of the 13F portfolio, value $19,187,019.

    13F-HR 0001452861-26-000003 filed by IMC-Chicago, 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 443,181 shares
    Change vs previous 13F +401,210 shares

    0.25% of the 13F portfolio, value $13,924,747.

    13F-HR 0001452861-25-000006 filed by IMC-Chicago, 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 41,971 shares
    Change vs previous 13F -591,611 shares

    0.04% of the 13F portfolio, value $1,497,945.

    13F-HR 0001452861-25-000005 filed by IMC-Chicago, 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 633,582 shares
    Change vs previous 13F not available

    0.91% of the 13F portfolio, value $23,379,176.

    13F-HR 0001452861-25-000002 filed by IMC-Chicago, LLC
    Filed (acceptance time not in the bulk data set), ingested

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