GAMMA Investing LLC: ARCB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on ARCB, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 2,503 ARCB shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 2,503 sharesChange vs previous 13F +149 shares
0.01% of the 13F portfolio, value $318,982.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 2,354 sharesChange vs previous 13F +66 shares
0.01% of the 13F portfolio, value $337,893.
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 2,288 sharesChange vs previous 13F +508 shares
0.01% of the 13F portfolio, value $225,048.
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 1,780 sharesChange vs previous 13F -29 shares
0.01% of the 13F portfolio, value $132,058.
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 1,809 sharesChange vs previous 13F +206 shares
0.01% of the 13F portfolio, value $126,395.
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 1,603 sharesChange vs previous 13F +168 shares
0.01% of the 13F portfolio, value $123,447.
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 1,435 sharesChange vs previous 13F +932 shares
0.01% of the 13F portfolio, value $101,282.
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 503 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $46,940.
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).