Columbia Asset Management: GPC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on GPC, newest first. How the timeline and the estimate are built.
Columbia Asset Management held 0 GPC shares at 2026-06-30 per its 13F-HR filed 2026-07-21.
the latest 13F is the newest step
- period ended2026-06-3013F 0 sharesChange vs previous 13F -3,700 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2026-03-3113F 3,700 sharesChange vs previous 13F -990 shares
0.07% of the 13F portfolio, value $391,275.
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 4,690 sharesChange vs previous 13F -1,035 shares
0.1% of the 13F portfolio, value $576,682.
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 5,725 sharesChange vs previous 13F +485 shares
0.15% of the 13F portfolio, value $793,485.
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 5,240 sharesChange vs previous 13F +515 shares
0.12% of the 13F portfolio, value $635,664.
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 4,725 sharesChange vs previous 13F -450 shares
0.11% of the 13F portfolio, value $562,937.
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 5,175 sharesChange vs previous 13F -87 shares
0.12% of the 13F portfolio, value $604,233.
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 5,262 sharesChange vs previous 13F not available
0.13% of the 13F portfolio, value $735,000.
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).