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MILLENNIUM MANAGEMENT LLC: CMCSA position timeline

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

MILLENNIUM MANAGEMENT LLC held 1,903,810 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 1,903,810 shares
    Change vs previous 13F +556,141 shares

    0.03% of the 13F portfolio, value $46,738,536.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT 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 1,347,669 shares
    Change vs previous 13F -5,787,243 shares

    0.03% of the 13F portfolio, value $38,691,577.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM 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 ended2025-12-31
    13F 7,134,912 shares
    Change vs previous 13F +5,044,824 shares

    0.15% of the 13F portfolio, value $213,262,520.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM 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 ended2025-09-30
    13F 2,090,088 shares
    Change vs previous 13F -3,417,160 shares

    0.05% of the 13F portfolio, value $65,670,565.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM 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 ended2025-06-30
    13F 5,507,248 shares
    Change vs previous 13F +3,556,637 shares

    0.18% of the 13F portfolio, value $196,553,681.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT 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 1,950,611 shares
    Change vs previous 13F +78,457 shares

    0.07% of the 13F portfolio, value $71,977,546.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT 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 1,872,154 shares
    Change vs previous 13F -1,775,715 shares

    0.06% of the 13F portfolio, value $70,261,940.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT 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 3,647,869 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $152,371,488.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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