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

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

O'Brien Greene & Co. Inc held 254,368 SONY 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 254,368 shares
Change vs previous 13F +19,206 shares
1.41% of the 13F portfolio, value $5,102,626.
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 235,162 shares
Change vs previous 13F +13,320 shares
1.38% of the 13F portfolio, value $4,867,854.
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).
period ended2025-12-31
13F 221,842 shares
Change vs previous 13F +31,914 shares
1.69% of the 13F portfolio, value $5,679,156.
13F-HR 0001768635-26-000001 filed by O'Brien Greene & Co. Inc
Filed 2026-02-05 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 189,928 shares
Change vs previous 13F not available
1.68% of the 13F portfolio, value $5,468,027.
13F-HR 0001768635-25-000008 filed by O'Brien Greene & Co. Inc
Filed 2025-11-10 (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).