Skip to content
Disclosery

Columbia Asset Management: GD position timeline

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

Columbia Asset Management held 3,893 GD 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 3,893 shares
    Change vs previous 13F +320 shares

    0.24% of the 13F portfolio, value $1,379,056.

    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 3,573 shares
    Change vs previous 13F +45 shares

    0.23% of the 13F portfolio, value $1,226,325.

    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 3,528 shares
    Change vs previous 13F -55 shares

    0.21% of the 13F portfolio, value $1,187,736.

    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 3,583 shares
    Change vs previous 13F +240 shares

    0.23% of the 13F portfolio, value $1,221,803.

    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 3,343 shares
    Change vs previous 13F +343 shares

    0.19% of the 13F portfolio, value $975,019.

    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 3,000 shares
    Change vs previous 13F +72 shares

    0.17% of the 13F portfolio, value $817,740.

    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 2,928 shares
    Change vs previous 13F -40,398 shares

    0.15% of the 13F portfolio, value $771,499.

    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 43,326 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $2,420,000.

    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).