Skip to content
Disclosery

Cornerstone Capital, Inc.: BRK-B position timeline

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

Cornerstone Capital, Inc. held 4,822 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,822 shares
    Change vs previous 13F -17 shares

    0.22% of the 13F portfolio, value $2,412,881.

    13F-HR 0001172661-26-003021 filed by Cornerstone Capital, 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 4,839 shares
    Change vs previous 13F +1,530 shares

    0.23% of the 13F portfolio, value $2,318,849.

    13F-HR 0001172661-26-001738 filed by Cornerstone Capital, 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 3,309 shares
    Change vs previous 13F -8 shares

    0.16% of the 13F portfolio, value $1,663,269.

    13F-HR 0001172661-26-000659 filed by Cornerstone Capital, 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 3,317 shares
    Change vs previous 13F -114 shares

    0.16% of the 13F portfolio, value $1,667,589.

    13F-HR 0001172661-25-004664 filed by Cornerstone Capital, 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 3,431 shares
    Change vs previous 13F -705 shares

    0.17% of the 13F portfolio, value $1,666,677.

    13F-HR 0001172661-25-003082 filed by Cornerstone Capital, 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 4,136 shares
    Change vs previous 13F -234 shares

    0.24% of the 13F portfolio, value $2,202,751.

    13F-HR 0001172661-25-001756 filed by Cornerstone Capital, 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 4,370 shares
    Change vs previous 13F 0 shares

    0.21% of the 13F portfolio, value $1,980,834.

    13F-HR 0001172661-25-000791 filed by Cornerstone Capital, 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 4,370 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $2,011,336.

    13F-HR 0001172661-24-004417 filed by Cornerstone Capital, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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