AVENIR CORP: ATOM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AVENIR CORP on ATOM, newest first. How the timeline and the estimate are built.
AVENIR CORP held 1,468,660 ATOM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 1,468,660 sharesChange vs previous 13F +7,245 shares
1.56% of the 13F portfolio, value $12,792,029.
13F-HR 0001033475-26-000006 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 1,461,415 sharesChange vs previous 13F +847,030 shares
0.68% of the 13F portfolio, value $5,567,991.
13F-HR 0001033475-26-000005 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 614,385 sharesChange vs previous 13F +10,000 shares
0.15% of the 13F portfolio, value $1,357,791.
13F-HR 0001033475-26-000002 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 604,385 sharesChange vs previous 13F +29,619 shares
0.28% of the 13F portfolio, value $2,671,382.
13F-HR 0001033475-25-000009 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 574,766 sharesChange vs previous 13F +44,466 shares
0.3% of the 13F portfolio, value $2,896,821.
13F-HR 0001033475-25-000007 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 530,300 sharesChange vs previous 13F +13,775 shares
0.22% of the 13F portfolio, value $2,121,200.
13F-HR 0001033475-25-000005 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 516,525 sharesChange vs previous 13F +125,874 shares
0.61% of the 13F portfolio, value $5,991,690.
13F-HR 0001033475-25-000003 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 390,651 sharesChange vs previous 13F not available
0.1% of the 13F portfolio, value $1,027,412.
13F-HR 0001033475-24-000007 filed by AVENIR CORP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).