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Grayhawk Investment Strategies Inc.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Grayhawk Investment Strategies Inc. on BRK-B, newest first. How the timeline and the estimate are built.

Grayhawk Investment Strategies Inc. held 170 BRK-B shares at 2025-03-31 per its 13F-HR filed 2025-05-15.

the latest 13F is the newest step

  1. period ended2025-03-31
    13F 170 shares
    Change vs previous 13F 0 shares

    0.21% of the 13F portfolio, value $90,539.

    13F-HR 0000950123-25-005680 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2024-12-31
    13F 170 shares
    Change vs previous 13F -600 shares

    0.15% of the 13F portfolio, value $77,058.

    13F-HR 0000950123-25-002709 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-09-30
    13F 770 shares
    Change vs previous 13F 0 shares

    0.55% of the 13F portfolio, value $354,400.

    13F-HR 0000950123-24-011755 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-06-30
    13F 770 shares
    Change vs previous 13F 0 shares

    1.43% of the 13F portfolio, value $313,236.

    13F-HR 0000950123-24-008733 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-03-31
    13F 770 shares
    Change vs previous 13F 0 shares

    0.29% of the 13F portfolio, value $323,800.

    13F-HR 0000950123-24-005609 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2023-12-31
    13F/A 770 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $274,628.

    13F-HR/A 0000950123-24-002956 filed by Grayhawk Investment Strategies Inc.
    Filed (acceptance time not in the bulk data set), ingested

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