AVENIR CORP: MSFT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AVENIR CORP on MSFT, newest first. How the timeline and the estimate are built.
AVENIR CORP held 239,602 MSFT shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 239,602 sharesChange vs previous 13F -4,508 shares
10.89% of the 13F portfolio, value $89,376,519.
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 244,110 sharesChange vs previous 13F -1,315 shares
11.01% of the 13F portfolio, value $90,362,226.
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 245,425 sharesChange vs previous 13F -6,993 shares
12.88% of the 13F portfolio, value $118,692,474.
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 252,418 sharesChange vs previous 13F -13,169 shares
13.62% of the 13F portfolio, value $130,739,941.
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 265,587 sharesChange vs previous 13F -4,763 shares
13.58% of the 13F portfolio, value $132,105,542.
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 270,350 sharesChange vs previous 13F -3,258 shares
10.65% of the 13F portfolio, value $101,486,620.
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 273,608 sharesChange vs previous 13F -16,830 shares
11.81% of the 13F portfolio, value $115,325,592.
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 290,438 sharesChange vs previous 13F not available
12.6% of the 13F portfolio, value $124,975,288.
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).