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BERKSHIRE ASSET MANAGEMENT LLC/PA: VRTX position timeline

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

BERKSHIRE ASSET MANAGEMENT LLC/PA held 3,054 VRTX 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 3,054 shares
    Change vs previous 13F -98 shares

    0.06% of the 13F portfolio, value $1,517,013.

    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 3,152 shares
    Change vs previous 13F -227 shares

    0.06% of the 13F portfolio, value $1,407,494.

    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 3,379 shares
    Change vs previous 13F +9 shares

    0.07% of the 13F portfolio, value $1,531,903.

    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 3,370 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $1,319,827.

    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 3,370 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $1,500,324.

    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 3,370 shares
    Change vs previous 13F -274 shares

    0.07% of the 13F portfolio, value $1,447,752.

    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 3,644 shares
    Change vs previous 13F -759 shares

    0.08% of the 13F portfolio, value $1,601,975.

    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 4,403 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $2,063,774.

    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).