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Disclosery

HARTLINE INVESTMENT CORP/: BRK-B position timeline

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

HARTLINE INVESTMENT CORP/ held 20,348 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 20,348 shares
    Change vs previous 13F -2,384 shares

    0.89% of the 13F portfolio, value $10,181,936.

    13F-HR 0001754960-26-000662 filed by HARTLINE INVESTMENT CORP/
    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 22,732 shares
    Change vs previous 13F +231 shares

    1.2% of the 13F portfolio, value $10,893,174.

    13F-HR 0001754960-26-000342 filed by HARTLINE INVESTMENT CORP/
    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 22,501 shares
    Change vs previous 13F -469 shares

    1.22% of the 13F portfolio, value $11,310,128.

    13F-HR 0001754960-26-000160 filed by HARTLINE INVESTMENT CORP/
    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 22,970 shares
    Change vs previous 13F -977 shares

    1.2% of the 13F portfolio, value $11,547,938.

    13F-HR 0001754960-25-000721 filed by HARTLINE INVESTMENT CORP/
    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 23,947 shares
    Change vs previous 13F +2,600 shares

    1.32% of the 13F portfolio, value $11,632,734.

    13F-HR 0001754960-25-000499 filed by HARTLINE INVESTMENT CORP/
    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 21,347 shares
    Change vs previous 13F +140 shares

    1.52% of the 13F portfolio, value $11,368,985.

    13F-HR 0001754960-25-000262 filed by HARTLINE INVESTMENT CORP/
    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 21,207 shares
    Change vs previous 13F +51 shares

    1.1% of the 13F portfolio, value $9,612,709.

    13F-HR 0001754960-25-000081 filed by HARTLINE INVESTMENT CORP/
    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 21,156 shares
    Change vs previous 13F not available

    1.21% of the 13F portfolio, value $9,737,261.

    13F-HR 0001754960-24-000544 filed by HARTLINE INVESTMENT CORP/
    Filed (acceptance time not in the bulk data set), ingested

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