GAMMA Investing LLC: GMAB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on GMAB, newest first. How the timeline and the estimate are built.
GAMMA Investing LLC held 4,792 GMAB shares at 2026-09-30 per its 13F-HR filed 2026-10-08.
the latest 13F is the newest step
- period ended2026-09-3013F 4,792 sharesChange vs previous 13F +814 shares
0.01% of the 13F portfolio, value $170,955.
13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
Accepted , ingested - period ended2026-06-3013F 3,978 sharesChange vs previous 13F +561 shares
<0.01% of the 13F portfolio, value $109,276.
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 3,417 sharesChange vs previous 13F -1,338 shares
<0.01% of the 13F portfolio, value $91,678.
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 4,755 sharesChange vs previous 13F +1,773 shares
0.01% of the 13F portfolio, value $146,454.
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 2,982 sharesChange vs previous 13F +1,063 shares
0.01% of the 13F portfolio, value $91,458.
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 1,919 sharesChange vs previous 13F +209 shares
<0.01% of the 13F portfolio, value $39,647.
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 1,710 sharesChange vs previous 13F -429 shares
<0.01% of the 13F portfolio, value $33,482.
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 2,139 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $44,641.
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).