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Disclosery

East Coast Asset Management, LLC.: MA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of East Coast Asset Management, LLC. on MA, newest first. How the timeline and the estimate are built.

East Coast Asset Management, LLC. held 21,879 MA 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 21,879 shares
    Change vs previous 13F -1,004 shares

    3.32% of the 13F portfolio, value $11,237,292.

    13F-HR 0001579254-26-000004 filed by East Coast Asset 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 22,883 shares
    Change vs previous 13F -359 shares

    3.77% of the 13F portfolio, value $11,433,941.

    13F-HR 0001579254-26-000003 filed by East Coast Asset 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 23,242 shares
    Change vs previous 13F -61 shares

    3.9% of the 13F portfolio, value $13,268,426.

    13F-HR 0001579254-26-000002 filed by East Coast Asset 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 23,303 shares
    Change vs previous 13F -140 shares

    4.15% of the 13F portfolio, value $13,254,824.

    13F-HR 0001579254-25-000004 filed by East Coast Asset 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 23,443 shares
    Change vs previous 13F -66 shares

    4.37% of the 13F portfolio, value $13,173,785.

    13F-HR 0001085146-25-005068 filed by East Coast Asset 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 23,509 shares
    Change vs previous 13F -856 shares

    4.56% of the 13F portfolio, value $12,885,799.

    13F-HR 0001085146-25-003192 filed by East Coast Asset 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 24,365 shares
    Change vs previous 13F -1,678 shares

    4.29% of the 13F portfolio, value $12,829,647.

    13F-HR 0001085146-25-001516 filed by East Coast Asset 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 26,043 shares
    Change vs previous 13F not available

    4.27% of the 13F portfolio, value $12,860,160.

    13F-HR 0001085146-24-005781 filed by East Coast Asset Management, LLC.
    Filed (acceptance time not in the bulk data set), ingested

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