COMPTON CAPITAL MANAGEMENT INC /RI: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COMPTON CAPITAL MANAGEMENT INC /RI on BIIB, newest first. How the timeline and the estimate are built.

COMPTON CAPITAL MANAGEMENT INC /RI held 0 BIIB shares at 2021-12-31 per its 13F-HR filed 2022-02-07.

the latest 13F is the newest step

period ended2021-12-31
13F 0 shares
Change vs previous 13F -715 shares
13F-HR 0001080071-22-000002 filed by COMPTON CAPITAL MANAGEMENT INC /RI
Filed 2022-02-07 (acceptance time not in the bulk data set), ingested 2026-10-07 18:36:54 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2021-09-30
13F 715 shares
Change vs previous 13F not available
0.06% of the 13F portfolio, value $202,000.
13F-HR 0001080071-21-000008 filed by COMPTON CAPITAL MANAGEMENT INC /RI
Filed 2021-11-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:37:51 UTC
Acceptance time not in the bulk data set (spec §4.2).