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Disclosery

Columbia Asset Management: DE position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on DE, newest first. How the timeline and the estimate are built.

Columbia Asset Management held 7,771 DE shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,771 shares
    Change vs previous 13F -230 shares

    0.86% of the 13F portfolio, value $4,929,182.

    13F-HR 0002085853-26-000792 filed by Columbia Asset Management
    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 8,001 shares
    Change vs previous 13F +2 shares

    0.86% of the 13F portfolio, value $4,506,704.

    13F-HR 0002085853-26-000430 filed by Columbia Asset Management
    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 7,999 shares
    Change vs previous 13F -425 shares

    0.66% of the 13F portfolio, value $3,723,880.

    13F-HR 0002085853-26-000122 filed by Columbia Asset Management
    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 8,424 shares
    Change vs previous 13F -515 shares

    0.72% of the 13F portfolio, value $3,851,748.

    13F-HR 0002085853-25-000221 filed by Columbia Asset Management
    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 8,939 shares
    Change vs previous 13F -2,412 shares

    0.89% of the 13F portfolio, value $4,545,158.

    13F-HR 0001667731-25-000872 filed by Columbia Asset Management
    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 11,351 shares
    Change vs previous 13F -1,274 shares

    1.08% of the 13F portfolio, value $5,327,376.

    13F-HR 0001667731-25-000412 filed by Columbia Asset Management
    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 12,625 shares
    Change vs previous 13F not available

    1.02% of the 13F portfolio, value $5,349,018.

    13F-HR 0001667731-25-000251 filed by Columbia Asset Management
    Filed (acceptance time not in the bulk data set), ingested

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