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Disclosery

1248 Management, LLC: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1248 Management, LLC on CMCSA, newest first. How the timeline and the estimate are built.

1248 Management, LLC held 0 CMCSA shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -5,000 shares

    13F-HR 0001580642-26-003191 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 5,000 shares
    Change vs previous 13F +4,810 shares

    0.08% of the 13F portfolio, value $149,450.

    13F-HR 0001580642-26-001085 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 190 shares
    Change vs previous 13F -472 shares

    <0.01% of the 13F portfolio, value $5,970.

    13F-HR 0001580642-25-007307 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 662 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $23,627.

    13F-HR 0001580642-25-005196 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F/A 662 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $24,428.

    13F-HR/A 0001580642-25-003600 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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