Mattson Financial Services, LLC: AMGN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mattson Financial Services, LLC on AMGN, newest first. How the timeline and the estimate are built.
Mattson Financial Services, LLC held 3,355 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-04.
the latest 13F is the newest step
- period ended2026-06-3013F 3,355 sharesChange vs previous 13F +124 shares
0.26% of the 13F portfolio, value $1,246,693.
13F-HR 0002034595-26-000003 filed by Mattson Financial Services, 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 3,231 sharesChange vs previous 13F -85 shares
0.27% of the 13F portfolio, value $1,136,864.
13F-HR 0002034595-26-000002 filed by Mattson Financial Services, 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 3,316 sharesChange vs previous 13F -1 shares
0.25% of the 13F portfolio, value $1,085,392.
13F-HR 0002034595-26-000001 filed by Mattson Financial Services, 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 3,317 sharesChange vs previous 13F +28 shares
0.22% of the 13F portfolio, value $936,082.
13F-HR 0002034595-25-000007 filed by Mattson Financial Services, 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 3,289 sharesChange vs previous 13F +42 shares
0.25% of the 13F portfolio, value $918,344.
13F-HR 0002034595-25-000003 filed by Mattson Financial Services, 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 3,247 sharesChange vs previous 13F +463 shares
0.3% of the 13F portfolio, value $1,011,625.
13F-HR 0002034595-25-000002 filed by Mattson Financial Services, 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 2,784 sharesChange vs previous 13F -1,194 shares
0.29% of the 13F portfolio, value $897,050.
13F-HR 0002034595-25-000001 filed by Mattson Financial Services, 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 3,978 sharesChange vs previous 13F not available
0.45% of the 13F portfolio, value $1,242,941.
13F-HR 0002034595-24-000002 filed by Mattson Financial Services, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).