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Disclosery

Mariner, LLC: CMCSA position timeline

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

Mariner, LLC held 620,203 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 620,203 shares
    Change vs previous 13F -227,754 shares

    0.02% of the 13F portfolio, value $15,226,213.

    13F-HR 0001580642-26-005266 filed by Mariner, 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 847,957 shares
    Change vs previous 13F +5,662 shares

    0.03% of the 13F portfolio, value $24,346,404.

    13F-HR 0001580642-26-003158 filed by Mariner, 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 842,295 shares
    Change vs previous 13F -975,539 shares

    0.03% of the 13F portfolio, value $25,179,312.

    13F-HR 0001580642-26-001057 filed by Mariner, 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 1,817,834 shares
    Change vs previous 13F -63,550 shares

    0.07% of the 13F portfolio, value $57,116,347.

    13F-HR 0001580642-25-007297 filed by Mariner, 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 1,881,384 shares
    Change vs previous 13F +68,167 shares

    0.1% of the 13F portfolio, value $67,142,127.

    13F-HR 0001580642-25-005128 filed by Mariner, 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 1,813,217 shares
    Change vs previous 13F -208,248 shares

    0.11% of the 13F portfolio, value $66,906,149.

    13F-HR 0001580642-25-003135 filed by Mariner, 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 2,021,465 shares
    Change vs previous 13F -69,361 shares

    0.13% of the 13F portfolio, value $75,865,118.

    13F-HR 0001580642-25-000997 filed by Mariner, 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 2,090,826 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $87,329,074.

    13F-HR 0001580642-24-006919 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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