O'Brien Greene & Co. Inc: AMGN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of O'Brien Greene & Co. Inc on AMGN, newest first. How the timeline and the estimate are built.
O'Brien Greene & Co. Inc held 29,941 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-06.
the latest 13F is the newest step
- period ended2026-06-3013F 29,941 sharesChange vs previous 13F +306 shares
2.99% of the 13F portfolio, value $10,842,117.
13F-HR 0001768635-26-000009 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 29,635 sharesChange vs previous 13F -36 shares
2.95% of the 13F portfolio, value $10,426,933.
13F-HR 0001768635-26-000002 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 29,671 sharesChange vs previous 13F +85 shares
2.88% of the 13F portfolio, value $9,711,743.
13F-HR 0001768635-26-000001 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 29,586 sharesChange vs previous 13F -270 shares
2.57% of the 13F portfolio, value $8,349,143.
13F-HR 0001768635-25-000008 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 29,856 sharesChange vs previous 13F -1,018 shares
2.73% of the 13F portfolio, value $8,336,023.
13F-HR 0001768635-25-000005 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 30,874 sharesChange vs previous 13F -503 shares
3.23% of the 13F portfolio, value $9,618,761.
13F-HR 0001768635-25-000003 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 31,377 sharesChange vs previous 13F +73 shares
2.66% of the 13F portfolio, value $8,178,132.
13F-HR 0001768635-25-000001 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 31,304 sharesChange vs previous 13F not available
3.14% of the 13F portfolio, value $10,086,491.
13F-HR 0001768635-24-000010 filed by O'Brien Greene & Co. Inc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).