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CUMBERLAND ADVISORS INC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CUMBERLAND ADVISORS INC on BRK-B, newest first. How the timeline and the estimate are built.

CUMBERLAND ADVISORS INC held 23,716 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,716 shares
    Change vs previous 13F +235 shares

    4.18% of the 13F portfolio, value $11,867,249.

    13F-HR 0001420506-26-001264 filed by CUMBERLAND ADVISORS INC
    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 23,481 shares
    Change vs previous 13F -5,218 shares

    4.4% of the 13F portfolio, value $11,252,095.

    13F-HR 0001420506-26-000753 filed by CUMBERLAND ADVISORS INC
    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 28,699 shares
    Change vs previous 13F +630 shares

    5.47% of the 13F portfolio, value $14,425,552.

    13F-HR 0001420506-26-000128 filed by CUMBERLAND ADVISORS INC
    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 28,069 shares
    Change vs previous 13F +493 shares

    5.42% of the 13F portfolio, value $14,111,409.

    13F-HR 0001420506-25-003075 filed by CUMBERLAND ADVISORS INC
    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 27,576 shares
    Change vs previous 13F +175 shares

    5.64% of the 13F portfolio, value $13,395,594.

    13F-HR 0001420506-25-001765 filed by CUMBERLAND ADVISORS INC
    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 27,401 shares
    Change vs previous 13F -64 shares

    6.62% of the 13F portfolio, value $14,593,225.

    13F-HR 0001420506-25-000943 filed by CUMBERLAND ADVISORS INC
    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 27,465 shares
    Change vs previous 13F +1,070 shares

    4.97% of the 13F portfolio, value $12,449,335.

    13F-HR 0001255435-25-000001 filed by CUMBERLAND ADVISORS INC
    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 26,395 shares
    Change vs previous 13F not available

    4.83% of the 13F portfolio, value $12,148,563.

    13F-HR 0001255435-24-000011 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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