GAMMA Investing LLC: WM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on WM, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 10,055 WM shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 10,055 sharesChange vs previous 13F -820 shares
0.07% of the 13F portfolio, value $2,050,513.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 10,875 sharesChange vs previous 13F -481 shares
0.09% of the 13F portfolio, value $2,423,782.
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 11,356 sharesChange vs previous 13F +1,368 shares
0.12% of the 13F portfolio, value $2,609,602.
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 9,988 sharesChange vs previous 13F +618 shares
0.11% of the 13F portfolio, value $2,194,566.
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 9,370 sharesChange vs previous 13F -448 shares
0.11% of the 13F portfolio, value $2,069,280.
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 9,818 sharesChange vs previous 13F +1,571 shares
0.14% of the 13F portfolio, value $2,246,661.
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 8,247 sharesChange vs previous 13F +958 shares
0.14% of the 13F portfolio, value $1,909,370.
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 7,289 sharesChange vs previous 13F not available
0.13% of the 13F portfolio, value $1,470,941.
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).