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Disclosery

FIRST MANHATTAN CO. LLC.: CMCSA position timeline

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

FIRST MANHATTAN CO. LLC. held 1,072,332 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 1,072,332 shares
    Change vs previous 13F -7,372 shares

    0.07% of the 13F portfolio, value $26,325,751.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN CO. 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 1,079,704 shares
    Change vs previous 13F -28,543 shares

    0.09% of the 13F portfolio, value $30,998,295.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN CO. 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 1,108,247 shares
    Change vs previous 13F -417,058 shares

    0.09% of the 13F portfolio, value $33,125,496.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN CO. 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 1,525,305 shares
    Change vs previous 13F -1,377,846 shares

    0.13% of the 13F portfolio, value $47,925,076.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 2,903,151 shares
    Change vs previous 13F -601,352 shares

    0.29% of the 13F portfolio, value $103,613,451.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN CO. 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 3,504,503 shares
    Change vs previous 13F -437,724 shares

    0.38% of the 13F portfolio, value $129,316,152.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 3,942,227 shares
    Change vs previous 13F -477,618 shares

    0.44% of the 13F portfolio, value $148,354,208.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. LLC.
    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 4,419,845 shares
    Change vs previous 13F not available

    0.55% of the 13F portfolio, value $184,616,944.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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