GAMMA Investing LLC: ATLC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on ATLC, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 253 ATLC shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 253 sharesChange vs previous 13F +98 shares
<0.01% of the 13F portfolio, value $22,145.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 155 sharesChange vs previous 13F +2 shares
<0.01% of the 13F portfolio, value $15,849.
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 153 sharesChange vs previous 13F +31 shares
<0.01% of the 13F portfolio, value $8,028.
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 122 sharesChange vs previous 13F +8 shares
<0.01% of the 13F portfolio, value $8,168.
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 114 sharesChange vs previous 13F -9 shares
<0.01% of the 13F portfolio, value $6,678.
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 123 sharesChange vs previous 13F -22 shares
<0.01% of the 13F portfolio, value $6,734.
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 145 sharesChange vs previous 13F +119 shares
<0.01% of the 13F portfolio, value $7,417.
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 26 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $1,450.
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).