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Disclosery

SRB CORP: CMCSA position timeline

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

SRB CORP held 1,096,685 CMCSA 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 1,096,685 shares
    Change vs previous 13F 0 shares

    1.45% of the 13F portfolio, value $26,923,617.

    13F-HR 0000904454-26-000456 filed by SRB CORP
    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 1,096,685 shares
    Change vs previous 13F -913,162 shares

    1.93% of the 13F portfolio, value $31,485,826.

    13F-HR 0000904454-26-000289 filed by SRB CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-09-30
    13F 2,009,847 shares
    Change vs previous 13F not available

    4.71% of the 13F portfolio, value $83,951,309.

    13F-HR 0000904454-24-000609 filed by SRB CORP
    Filed (acceptance time not in the bulk data set), ingested

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