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Adirondack Capital Advisors, LLC: BRK-B position timeline

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

Adirondack Capital Advisors, LLC held 9,443 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-09.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 9,443 shares
    Change vs previous 13F +25 shares

    2.43% of the 13F portfolio, value $4,702,142.

    13F-HR 0002085853-26-001136 filed by Adirondack Capital Advisors, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 9,418 shares
    Change vs previous 13F +250 shares

    2.53% of the 13F portfolio, value $4,712,673.

    13F-HR 0002085853-26-000684 filed by Adirondack Capital Advisors, 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 9,168 shares
    Change vs previous 13F -60 shares

    2.82% of the 13F portfolio, value $4,393,306.

    13F-HR 0002085853-26-000310 filed by Adirondack Capital Advisors, 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 9,228 shares
    Change vs previous 13F not available

    3.12% of the 13F portfolio, value $4,638,454.

    13F-HR 0002085853-26-000175 filed by Adirondack Capital Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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