GAMMA Investing LLC: WEST position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on WEST, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 1,120 WEST shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 1,120 sharesChange vs previous 13F +448 shares
<0.01% of the 13F portfolio, value $9,005.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 672 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $5,450.
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 672 sharesChange vs previous 13F -16 shares
<0.01% of the 13F portfolio, value $2,856.
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 688 sharesChange vs previous 13F +303 shares
<0.01% of the 13F portfolio, value $2,800.
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 385 sharesChange vs previous 13F -249 shares
<0.01% of the 13F portfolio, value $1,871.
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 634 sharesChange vs previous 13F +300 shares
<0.01% of the 13F portfolio, value $3,633.
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 334 sharesChange vs previous 13F +294 shares
<0.01% of the 13F portfolio, value $2,411.
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 40 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $257.
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).