Siren, L.L.C.: CGEM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Siren, L.L.C. on CGEM, newest first. How the timeline and the estimate are built.
Siren, L.L.C. held 1,893,410 CGEM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 1,893,410 sharesChange vs previous 13F +700,000 shares
0.7% of the 13F portfolio, value $34,478,996.
13F-HR 0002005245-26-000008 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 1,193,410 sharesChange vs previous 13F 0 shares
0.47% of the 13F portfolio, value $16,958,356.
13F-HR 0002005245-26-000006 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,193,410 sharesChange vs previous 13F 0 shares
0.37% of the 13F portfolio, value $12,351,794.
13F-HR 0002005245-26-000003 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,193,410 sharesChange vs previous 13F 0 shares
0.28% of the 13F portfolio, value $7,076,921.
13F-HR 0002005245-25-000012 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,193,410 sharesChange vs previous 13F 0 shares
0.47% of the 13F portfolio, value $8,986,377.
13F-HR 0002005369-25-000014 filed by Siren, L.L.C.
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 1,193,410 sharesChange vs previous 13F -17,947 shares
0.51% of the 13F portfolio, value $9,034,114.
13F-HR/A 0002005245-25-000008 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,211,357 sharesChange vs previous 13F 0 shares
0.65% of the 13F portfolio, value $14,754,328.
13F-HR 0002005245-25-000002 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 1,211,357 sharesChange vs previous 13F not available
1.01% of the 13F portfolio, value $20,278,116.
13F-HR 0002005245-24-000005 filed by Siren, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).