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Disclosery

FIRST WILSHIRE SECURITIES MANAGEMENT INC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FIRST WILSHIRE SECURITIES MANAGEMENT INC on BRK-B, newest first. How the timeline and the estimate are built.

FIRST WILSHIRE SECURITIES MANAGEMENT INC held 18,217 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 18,217 shares
    Change vs previous 13F -84 shares

    1.88% of the 13F portfolio, value $9,115,605.

    13F-HR 0000732847-26-000014 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 18,301 shares
    Change vs previous 13F +781 shares

    1.98% of the 13F portfolio, value $8,769,839.

    13F-HR 0000732847-26-000007 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 17,520 shares
    Change vs previous 13F -93 shares

    2.22% of the 13F portfolio, value $8,806,428.

    13F-HR 0000732847-26-000001 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 17,613 shares
    Change vs previous 13F -235 shares

    2.36% of the 13F portfolio, value $8,854,760.

    13F-HR 0000732847-25-000017 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 17,848 shares
    Change vs previous 13F -107 shares

    2.36% of the 13F portfolio, value $8,670,023.

    13F-HR 0000732847-25-000014 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 17,955 shares
    Change vs previous 13F -132 shares

    2.74% of the 13F portfolio, value $9,562,474.

    13F-HR 0000732847-25-000013 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 18,087 shares
    Change vs previous 13F -443 shares

    2.23% of the 13F portfolio, value $8,198,000.

    13F-HR 0000732847-25-000001 filed by FIRST WILSHIRE SECURITIES MANAGEMENT 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 18,530 shares
    Change vs previous 13F not available

    2.4% of the 13F portfolio, value $8,529,000.

    13F-HR 0000732847-24-000013 filed by FIRST WILSHIRE SECURITIES MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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