GAMMA Investing LLC: AMH position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on AMH, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 7,943 AMH shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 7,943 sharesChange vs previous 13F +747 shares
0.01% of the 13F portfolio, value $241,388.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 7,196 sharesChange vs previous 13F +3,357 shares
0.01% of the 13F portfolio, value $241,210.
13F-HR 0002010235-26-000005 filed by GAMMA Investing 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 3,839 sharesChange vs previous 13F +942 shares
0.01% of the 13F portfolio, value $107,185.
13F-HR 0002010235-26-000003 filed by GAMMA Investing 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 2,897 sharesChange vs previous 13F +36 shares
<0.01% of the 13F portfolio, value $92,994.
13F-HR 0002010235-26-000001 filed by GAMMA Investing 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 2,861 sharesChange vs previous 13F -988 shares
0.01% of the 13F portfolio, value $95,128.
13F-HR 0002010235-25-000009 filed by GAMMA Investing 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 3,849 sharesChange vs previous 13F +588 shares
0.01% of the 13F portfolio, value $138,833.
13F-HR 0002010235-25-000007 filed by GAMMA Investing 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/A 3,261 sharesChange vs previous 13F -830 shares
0.01% of the 13F portfolio, value $123,298.
13F-HR/A 0002010235-25-000006 filed by GAMMA Investing 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 4,091 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $153,085.
13F-HR 0002010235-25-000001 filed by GAMMA Investing LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).