GAMMA Investing LLC: AMRC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on AMRC, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 1,765 AMRC shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 1,765 sharesChange vs previous 13F +327 shares
<0.01% of the 13F portfolio, value $36,553.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 1,438 sharesChange vs previous 13F +4 shares
<0.01% of the 13F portfolio, value $39,689.
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 1,434 sharesChange vs previous 13F -60 shares
<0.01% of the 13F portfolio, value $36,567.
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 1,494 sharesChange vs previous 13F +79 shares
<0.01% of the 13F portfolio, value $43,759.
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 1,415 sharesChange vs previous 13F +139 shares
<0.01% of the 13F portfolio, value $47,516.
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 1,276 sharesChange vs previous 13F +613 shares
<0.01% of the 13F portfolio, value $19,382.
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 663 sharesChange vs previous 13F -2,789 shares
<0.01% of the 13F portfolio, value $8,009.
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 3,452 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $81,053.
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).