Sivia Capital Partners, LLC: BIIB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sivia Capital Partners, LLC on BIIB, newest first. How the timeline and the estimate are built.
Sivia Capital Partners, LLC held 3,879 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-23.
the latest 13F is the newest step
- period ended2026-06-3013F 3,879 sharesChange vs previous 13F +876 shares
0.1% of the 13F portfolio, value $838,097.
13F-HR 0001941040-26-000447 filed by Sivia Capital Partners, 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 3,003 sharesChange vs previous 13F +688 shares
0.11% of the 13F portfolio, value $550,540.
13F-HR 0001941040-26-000322 filed by Sivia Capital Partners, 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 2,315 sharesChange vs previous 13F +17 shares
0.08% of the 13F portfolio, value $407,417.
13F-HR 0001941040-26-000086 filed by Sivia Capital Partners, 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 2,298 sharesChange vs previous 13F +581 shares
0.09% of the 13F portfolio, value $321,904.
13F-HR 0001941040-25-000554 filed by Sivia Capital Partners, 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/A 1,717 sharesChange vs previous 13F not available
0.07% of the 13F portfolio, value $215,638.
13F-HR/A 0001941040-25-000530 filed by Sivia Capital Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).