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CITADEL ADVISORS LLC: CMCSA position timeline

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

CITADEL ADVISORS LLC held 5,247,259 CMCSA shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 5,247,259 shares
    Change vs previous 13F +3,353,116 shares

    0.07% of the 13F portfolio, value $128,820,209.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 1,894,143 shares
    Change vs previous 13F -2,836,565 shares

    0.04% of the 13F portfolio, value $54,380,846.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS 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 4,730,708 shares
    Change vs previous 13F -2,559,988 shares

    0.1% of the 13F portfolio, value $141,400,862.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS 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 7,290,696 shares
    Change vs previous 13F +6,852,140 shares

    0.18% of the 13F portfolio, value $229,073,668.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS 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 438,556 shares
    Change vs previous 13F -2,190,808 shares

    0.01% of the 13F portfolio, value $15,652,064.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS 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 2,629,364 shares
    Change vs previous 13F -1,118,991 shares

    0.09% of the 13F portfolio, value $97,023,532.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS 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 3,748,355 shares
    Change vs previous 13F -2,949,149 shares

    0.13% of the 13F portfolio, value $140,675,763.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS 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 6,697,504 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $279,754,742.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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