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BERKSHIRE ASSET MANAGEMENT LLC/PA: DUK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BERKSHIRE ASSET MANAGEMENT LLC/PA on DUK, newest first. How the timeline and the estimate are built.

BERKSHIRE ASSET MANAGEMENT LLC/PA held 2,225 DUK shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,225 shares
    Change vs previous 13F -47 shares

    0.01% of the 13F portfolio, value $281,692.

    13F-HR 0001398344-26-013514 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,272 shares
    Change vs previous 13F -414 shares

    0.01% of the 13F portfolio, value $297,549.

    13F-HR 0001398344-26-008838 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,686 shares
    Change vs previous 13F -344 shares

    0.01% of the 13F portfolio, value $314,839.

    13F-HR 0001398344-26-003197 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 3,030 shares
    Change vs previous 13F +138 shares

    0.02% of the 13F portfolio, value $374,919.

    13F-HR 0001398344-25-020486 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,892 shares
    Change vs previous 13F -5 shares

    0.02% of the 13F portfolio, value $341,256.

    13F-HR 0001398344-25-015201 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,897 shares
    Change vs previous 13F -8 shares

    0.02% of the 13F portfolio, value $348,593.

    13F-HR 0001398344-25-009324 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,905 shares
    Change vs previous 13F +518 shares

    0.02% of the 13F portfolio, value $319,111.

    13F-HR 0001398344-25-002126 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    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 2,387 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $239,288.

    13F-HR 0001398344-24-020774 filed by BERKSHIRE ASSET MANAGEMENT LLC/PA
    Filed (acceptance time not in the bulk data set), ingested

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