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Disclosery

Columbia Asset Management: C position timeline

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

Columbia Asset Management held 22,127 C 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 22,127 shares
    Change vs previous 13F -1,590 shares

    0.54% of the 13F portfolio, value $3,096,934.

    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 23,717 shares
    Change vs previous 13F -2,086 shares

    0.51% of the 13F portfolio, value $2,689,741.

    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 25,803 shares
    Change vs previous 13F -2,496 shares

    0.54% of the 13F portfolio, value $3,010,983.

    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 28,299 shares
    Change vs previous 13F -921 shares

    0.54% of the 13F portfolio, value $2,872,375.

    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 29,220 shares
    Change vs previous 13F -515 shares

    0.49% of the 13F portfolio, value $2,487,205.

    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 29,735 shares
    Change vs previous 13F -1,645 shares

    0.43% of the 13F portfolio, value $2,110,873.

    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 31,380 shares
    Change vs previous 13F -686 shares

    0.42% of the 13F portfolio, value $2,208,840.

    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).

  8. period ended2024-09-30
    13F 32,066 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $2,007,000.

    13F-HR 0001585047-24-000004 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).