O'Brien Greene & Co. Inc: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of O'Brien Greene & Co. Inc on BSX, newest first. How the timeline and the estimate are built.

O'Brien Greene & Co. Inc held 99,578 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

period ended2026-06-30
13F 99,578 shares
Change vs previous 13F +16,172 shares
1.17% of the 13F portfolio, value $4,249,989.
13F-HR 0001768635-26-000009 filed by O'Brien Greene & Co. Inc
Filed 2026-08-06 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 83,406 shares
Change vs previous 13F not available
1.48% of the 13F portfolio, value $5,233,726.
13F-HR 0001768635-26-000002 filed by O'Brien Greene & Co. Inc
Filed 2026-05-06 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).