Mainstream Capital Management LLC: MSFT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mainstream Capital Management LLC on MSFT, newest first. How the timeline and the estimate are built.
Mainstream Capital Management LLC held 5,398 MSFT shares at 2026-06-30 per its 13F-HR filed 2026-07-15.
the latest 13F is the newest step
- period ended2026-06-3013F 5,398 sharesChange vs previous 13F +5 shares
1.21% of the 13F portfolio, value $2,013,562.
13F-HR 0002043084-26-000003 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 5,393 sharesChange vs previous 13F +84 shares
1.34% of the 13F portfolio, value $1,996,327.
13F-HR 0002043084-26-000002 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 5,309 sharesChange vs previous 13F -42 shares
1.68% of the 13F portfolio, value $2,567,539.
13F-HR 0002043084-26-000001 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 5,351 sharesChange vs previous 13F +54 shares
1.84% of the 13F portfolio, value $2,771,550.
13F-HR 0002043084-25-000006 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 5,297 sharesChange vs previous 13F -56 shares
1.92% of the 13F portfolio, value $2,634,781.
13F-HR 0002043084-25-000004 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 5,353 sharesChange vs previous 13F +217 shares
1.59% of the 13F portfolio, value $2,009,463.
13F-HR 0002043084-25-000002 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 5,136 sharesChange vs previous 13F +30 shares
1.52% of the 13F portfolio, value $2,164,824.
13F-HR 0002043084-25-000001 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 5,106 sharesChange vs previous 13F not available
1.87% of the 13F portfolio, value $2,197,112.
13F-HR 0002043084-24-000002 filed by Mainstream Capital Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).