Siren, L.L.C.: WK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Siren, L.L.C. on WK, newest first. How the timeline and the estimate are built.
Siren, L.L.C. held 45,000 WK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 45,000 sharesChange vs previous 13F -47,500 shares
0.04% of the 13F portfolio, value $2,182,950.
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 92,500 sharesChange vs previous 13F +13,377 shares
0.15% of the 13F portfolio, value $5,515,775.
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 79,123 sharesChange vs previous 13F +49,123 shares
0.2% of the 13F portfolio, value $6,824,359.
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 30,000 sharesChange vs previous 13F +2,000 shares
0.1% of the 13F portfolio, value $2,582,400.
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 28,000 sharesChange vs previous 13F +10,500 shares
0.1% of the 13F portfolio, value $1,916,600.
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 17,500 sharesChange vs previous 13F +7,500 shares
0.07% of the 13F portfolio, value $1,328,425.
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 10,000 sharesChange vs previous 13F not available
0.05% of the 13F portfolio, value $1,095,000.
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).