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

O'Brien Greene & Co. Inc held 245,047 IBKR shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 245,047 shares

   Change vs previous 13F -7,694 shares

   5.89% of the 13F portfolio, value $21,328,898.

   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).

2. period ended2026-03-31

   13F 252,741 shares

   Change vs previous 13F -6,562 shares

   4.8% of the 13F portfolio, value $16,951,324.

   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).

3. period ended2025-12-31

   13F 259,303 shares

   Change vs previous 13F -8,832 shares

   4.95% of the 13F portfolio, value $16,675,758.

   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).

4. period ended2025-09-30

   13F 268,135 shares

   Change vs previous 13F -13,554 shares

   5.67% of the 13F portfolio, value $18,450,363.

   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).

5. period ended2025-06-30

   13F 281,689 shares

   Change vs previous 13F +208,961 shares

   5.11% of the 13F portfolio, value $15,608,394.

   13F-HR 0001768635-25-000005 filed by O'Brien Greene & Co. Inc
   Filed 2025-08-06 (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).

6. period ended2025-03-31

   13F 72,728 shares

   Change vs previous 13F -3,183 shares

   4.04% of the 13F portfolio, value $12,043,022.

   13F-HR 0001768635-25-000003 filed by O'Brien Greene & Co. Inc
   Filed 2025-05-12 (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).

7. period ended2024-12-31

   13F 75,911 shares

   Change vs previous 13F -5,807 shares

   4.35% of the 13F portfolio, value $13,411,134.

   13F-HR 0001768635-25-000001 filed by O'Brien Greene & Co. Inc
   Filed 2025-02-03 (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).

8. period ended2024-09-30

   13F 81,718 shares

   Change vs previous 13F not available

   3.55% of the 13F portfolio, value $11,388,159.

   13F-HR 0001768635-24-000010 filed by O'Brien Greene & Co. Inc
   Filed 2024-11-15 (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).