Headlands Technologies LLC: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Headlands Technologies LLC on BIIB, newest first. How the timeline and the estimate are built.

Headlands Technologies LLC held 0 BIIB shares at 2025-09-30 per its 13F-HR filed 2025-11-12.

the latest 13F is the newest step

period ended2025-09-30
13F 0 shares
Change vs previous 13F -22,791 shares
13F-HR 0001570271-25-000012 filed by Headlands Technologies LLC
Filed 2025-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2025-06-30
13F 22,791 shares
Change vs previous 13F -1,978 shares
0.34% of the 13F portfolio, value $2,862,322.
13F-HR 0001570271-25-000011 filed by Headlands Technologies LLC
Filed 2025-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 24,769 shares
Change vs previous 13F -3,608 shares
0.39% of the 13F portfolio, value $3,389,390.
13F-HR 0001570271-25-000009 filed by Headlands Technologies LLC
Filed 2025-05-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 28,377 shares
Change vs previous 13F +27,129 shares
0.44% of the 13F portfolio, value $4,339,411.
13F-HR 0001570271-25-000008 filed by Headlands Technologies LLC
Filed 2025-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 1,248 shares
Change vs previous 13F not available
0.03% of the 13F portfolio, value $241,912.
13F-HR 0001570271-24-000005 filed by Headlands Technologies LLC
Filed 2024-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
Acceptance time not in the bulk data set (spec §4.2).