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KEYNOTE FINANCIAL SERVICES LLC: BRK-B position timeline

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

KEYNOTE FINANCIAL SERVICES LLC held 11,640 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 11,640 shares
    Change vs previous 13F +439 shares

    2.73% of the 13F portfolio, value $5,824,540.

    13F-HR 0002026127-26-000003 filed by KEYNOTE FINANCIAL SERVICES LLC
    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 11,201 shares
    Change vs previous 13F +686 shares

    2.85% of the 13F portfolio, value $5,367,519.

    13F-HR 0002026127-26-000002 filed by KEYNOTE FINANCIAL SERVICES LLC
    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 10,515 shares
    Change vs previous 13F +551 shares

    2.96% of the 13F portfolio, value $5,285,365.

    13F-HR 0002026127-26-000001 filed by KEYNOTE FINANCIAL SERVICES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 9,964 shares
    Change vs previous 13F +512 shares

    3.02% of the 13F portfolio, value $5,009,301.

    13F-HR 0002026127-25-000007 filed by KEYNOTE FINANCIAL SERVICES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 9,452 shares
    Change vs previous 13F +1,941 shares

    3.09% of the 13F portfolio, value $4,591,498.

    13F-HR 0002026127-25-000003 filed by KEYNOTE FINANCIAL SERVICES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 7,511 shares
    Change vs previous 13F +153 shares

    2.86% of the 13F portfolio, value $4,000,208.

    13F-HR 0002026127-25-000002 filed by KEYNOTE FINANCIAL SERVICES LLC
    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 7,358 shares
    Change vs previous 13F +820 shares

    2.56% of the 13F portfolio, value $3,335,234.

    13F-HR 0002026127-25-000001 filed by KEYNOTE FINANCIAL SERVICES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 6,538 shares
    Change vs previous 13F not available

    2.3% of the 13F portfolio, value $3,009,180.

    13F-HR 0002026127-24-000004 filed by KEYNOTE FINANCIAL SERVICES LLC
    Filed (acceptance time not in the bulk data set), ingested

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