Siren, L.L.C.: NAMS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Siren, L.L.C. on NAMS, newest first. How the timeline and the estimate are built.
Siren, L.L.C. held 0 NAMS shares at 2025-12-31 per its 13F-HR filed 2026-02-13.
the latest 13F is the newest step
- period ended2025-12-3113F 0 sharesChange vs previous 13F -765,705 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-09-3013F 765,705 sharesChange vs previous 13F -428,535 shares
0.85% of the 13F portfolio, value $21,776,650.
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 1,194,240 sharesChange vs previous 13F -717,790 shares
1.12% of the 13F portfolio, value $21,627,686.
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 1,912,030 sharesChange vs previous 13F -183,608 shares
2.21% of the 13F portfolio, value $39,139,254.
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 2,095,638 sharesChange vs previous 13F +1,175,074 shares
2.38% of the 13F portfolio, value $53,857,897.
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 920,564 sharesChange vs previous 13F not available
0.76% of the 13F portfolio, value $15,281,362.
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).