GAMMA Investing LLC: ABM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on ABM, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 1,443 ABM shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 1,443 sharesChange vs previous 13F +254 shares
<0.01% of the 13F portfolio, value $69,408.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 1,189 sharesChange vs previous 13F +89 shares
<0.01% of the 13F portfolio, value $52,601.
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 1,100 sharesChange vs previous 13F +116 shares
<0.01% of the 13F portfolio, value $42,372.
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 984 sharesChange vs previous 13F -469 shares
<0.01% of the 13F portfolio, value $41,623.
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 1,453 sharesChange vs previous 13F -97 shares
<0.01% of the 13F portfolio, value $67,012.
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 1,550 sharesChange vs previous 13F +69 shares
<0.01% of the 13F portfolio, value $73,176.
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 1,481 sharesChange vs previous 13F -196 shares
0.01% of the 13F portfolio, value $70,140.
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 1,677 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $85,829.
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).