Columbia Asset Management: UNP position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on UNP, newest first. How the timeline and the estimate are built.
Columbia Asset Management held 23,314 UNP shares at 2026-06-30 per its 13F-HR filed 2026-07-21.
the latest 13F is the newest step
- period ended2026-06-3013F 23,314 sharesChange vs previous 13F -1,029 shares
1.1% of the 13F portfolio, value $6,341,520.
13F-HR 0002085853-26-000792 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 24,343 sharesChange vs previous 13F +941 shares
1.12% of the 13F portfolio, value $5,906,081.
13F-HR 0002085853-26-000430 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 23,402 sharesChange vs previous 13F -95 shares
0.96% of the 13F portfolio, value $5,413,438.
13F-HR 0002085853-26-000122 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 23,497 sharesChange vs previous 13F +201 shares
1.04% of the 13F portfolio, value $5,553,943.
13F-HR 0002085853-25-000221 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 23,296 sharesChange vs previous 13F +690 shares
1.05% of the 13F portfolio, value $5,360,005.
13F-HR 0001667731-25-000872 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 22,606 sharesChange vs previous 13F -384 shares
1.09% of the 13F portfolio, value $5,340,376.
13F-HR 0001667731-25-000412 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 22,990 sharesChange vs previous 13F -1,270 shares
1% of the 13F portfolio, value $5,242,683.
13F-HR 0001667731-25-000251 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 24,260 sharesChange vs previous 13F not available
1.04% of the 13F portfolio, value $5,980,000.
13F-HR 0001585047-24-000004 filed by Columbia Asset Management
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).