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Disclosery

Coastline Trust Co: BRK-B position timeline

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

Coastline Trust Co held 21,130 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-01.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 21,130 shares
    Change vs previous 13F -1,176 shares

    0.98% of the 13F portfolio, value $10,521,684.

    13F-HR 0001062993-26-005136 filed by Coastline Trust Co
    Accepted , ingested

  2. period ended2026-06-30
    13F 22,306 shares
    Change vs previous 13F -208 shares

    0.99% of the 13F portfolio, value $11,161,700.

    13F-HR 0001062993-26-004405 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 22,514 shares
    Change vs previous 13F -2,185 shares

    1.07% of the 13F portfolio, value $10,788,709.

    13F-HR 0001062993-26-001837 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 24,699 shares
    Change vs previous 13F +2,813 shares

    1.17% of the 13F portfolio, value $12,414,952.

    13F-HR 0001062993-26-000031 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 21,886 shares
    Change vs previous 13F -29 shares

    1.18% of the 13F portfolio, value $11,002,968.

    13F-HR 0001062993-25-016236 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 21,915 shares
    Change vs previous 13F +1,093 shares

    1.22% of the 13F portfolio, value $10,645,650.

    13F-HR 0001062993-25-012930 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 20,822 shares
    Change vs previous 13F -144 shares

    1.38% of the 13F portfolio, value $11,089,381.

    13F-HR 0001062993-25-008106 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 20,966 shares
    Change vs previous 13F not available

    1.11% of the 13F portfolio, value $9,503,468.

    13F-HR 0001062993-25-002286 filed by Coastline Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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