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GATEWAY INVESTMENT ADVISERS LLC: BRK-B position timeline

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

GATEWAY INVESTMENT ADVISERS LLC held 292,951 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 292,951 shares
    Change vs previous 13F -20,287 shares

    1.32% of the 13F portfolio, value $145,874,950.

    13F-HR 0001114618-26-000006 filed by GATEWAY INVESTMENT ADVISERS LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 313,238 shares
    Change vs previous 13F -35,320 shares

    1.55% of the 13F portfolio, value $156,741,163.

    13F-HR 0001114618-26-000003 filed by GATEWAY INVESTMENT ADVISERS LLC
    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 348,558 shares
    Change vs previous 13F -64,767 shares

    1.86% of the 13F portfolio, value $167,028,994.

    13F-HR 0001114618-26-000002 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 413,325 shares
    Change vs previous 13F -1,000 shares

    1.93% of the 13F portfolio, value $207,757,811.

    13F-HR 0001114618-26-000001 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 414,325 shares
    Change vs previous 13F +7,949 shares

    2.01% of the 13F portfolio, value $208,297,751.

    13F-HR 0001114618-25-000004 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 406,376 shares
    Change vs previous 13F -19,815 shares

    2.16% of the 13F portfolio, value $197,405,270.

    13F-HR 0001085146-25-003612 filed by GATEWAY INVESTMENT ADVISERS LLC
    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 426,191 shares
    Change vs previous 13F +19,241 shares

    2.61% of the 13F portfolio, value $226,980,803.

    13F-HR 0001085146-25-002069 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 406,950 shares
    Change vs previous 13F not available

    2.05% of the 13F portfolio, value $184,462,296.

    13F-HR 0001085146-25-000192 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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