MainStreet Investment Advisors LLC: CMCSA position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MainStreet Investment Advisors LLC on CMCSA, newest first. How the timeline and the estimate are built.
MainStreet Investment Advisors LLC held 63,103 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 63,103 sharesChange vs previous 13F +2,481 shares
0.21% of the 13F portfolio, value $1,549,179.
13F-HR 0001765380-26-000357 filed by MainStreet Investment Advisors 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 60,622 sharesChange vs previous 13F -758 shares
0.26% of the 13F portfolio, value $1,740,458.
13F-HR 0001765380-26-000200 filed by MainStreet Investment Advisors 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 61,380 sharesChange vs previous 13F -21,636 shares
0.25% of the 13F portfolio, value $1,718,757.
13F-HR 0001765380-26-000089 filed by MainStreet Investment Advisors 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 83,016 sharesChange vs previous 13F +1,273 shares
0.35% of the 13F portfolio, value $2,608,363.
13F-HR 0001765380-25-000457 filed by MainStreet Investment Advisors 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 81,743 sharesChange vs previous 13F +2,211 shares
0.4% of the 13F portfolio, value $2,917,408.
13F-HR 0001765380-25-000323 filed by MainStreet Investment Advisors 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 79,532 sharesChange vs previous 13F +2,418 shares
0.43% of the 13F portfolio, value $2,934,731.
13F-HR 0001765380-25-000153 filed by MainStreet Investment Advisors 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 77,114 sharesChange vs previous 13F not available
0.41% of the 13F portfolio, value $2,894,088.
13F-HR 0001765380-25-000112 filed by MainStreet Investment Advisors LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).