Skip to content
Disclosery

XXEC, Inc.: BRK-B position timeline

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

XXEC, Inc. held 68,400 BRK-B shares at 2026-06-30 per its 13F-HR/A filed 2026-08-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 68,400 shares
    Change vs previous 13F +26,275 shares

    4.3% of the 13F portfolio, value $33,087,798.

    13F-HR/A 0001828822-26-000007 filed by XXEC, 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/A 42,125 shares
    Change vs previous 13F +35,001 shares

    3.69% of the 13F portfolio, value $20,671,231.

    13F-HR/A 0001828822-26-000003 filed by XXEC, 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 7,124 shares
    Change vs previous 13F +7,124 shares

    3.58% of the 13F portfolio, value $3,580,879.

    13F-HR 0001828822-26-000001 filed by XXEC, 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 0 shares
    Change vs previous 13F -8,680 shares

    13F-HR 0001828822-25-000006 filed by XXEC, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 8,680 shares
    Change vs previous 13F -450 shares

    3.39% of the 13F portfolio, value $4,216,484.

    13F-HR 0001828822-25-000003 filed by XXEC, 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 9,130 shares
    Change vs previous 13F -496 shares

    4.21% of the 13F portfolio, value $4,862,455.

    13F-HR 0001828822-25-000002 filed by XXEC, 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 9,626 shares
    Change vs previous 13F -1,874 shares

    3.62% of the 13F portfolio, value $4,363,273.

    13F-HR 0001828822-25-000001 filed by XXEC, 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 11,500 shares
    Change vs previous 13F not available

    4% of the 13F portfolio, value $5,292,990.

    13F-HR 0001828822-24-000007 filed by XXEC, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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