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Disclosery

ALLIANCEBERNSTEIN L.P.: CMCSA position timeline

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

ALLIANCEBERNSTEIN L.P. held 4,324,815 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 4,324,815 shares
    Change vs previous 13F -684,704 shares

    0.04% of the 13F portfolio, value $124,165,439.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 5,009,519 shares
    Change vs previous 13F -355,983 shares

    0.05% of the 13F portfolio, value $149,734,523.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 5,365,502 shares
    Change vs previous 13F -2,537,125 shares

    0.05% of the 13F portfolio, value $160,374,855.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 7,902,627 shares
    Change vs previous 13F -9,952,848 shares

    0.08% of the 13F portfolio, value $248,300,540.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 17,855,475 shares
    Change vs previous 13F -1,177,557 shares

    0.21% of the 13F portfolio, value $637,261,903.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 19,033,032 shares
    Change vs previous 13F +401,970 shares

    0.25% of the 13F portfolio, value $702,318,881.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 18,631,062 shares
    Change vs previous 13F -226,997 shares

    0.24% of the 13F portfolio, value $699,223,757.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 18,858,059 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $787,701,124.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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