O'brien Greene & Co. Inc / CBOE
O'brien Greene & Co. Inc’s Cboe Global Mkts Inc Position
Does O'brien Greene & Co. Inc own Cboe Global Mkts Inc (CBOE)? Yes — 37.9K shares worth $11M (+3.01% of its 13F portfolio) as of Q1 2026, up from 37.1K shares the prior filed quarter.
Position Value
$11M
Q1 2026
Shares
37.9K
% of Portfolio
+3.01%
Quarters Held
12
currently held
Position History CBOE
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 37.9K | $11M | +3.01% |
| Q4 2025 | 37.1K | $9M | +2.76% |
| Q3 2025 | 36.8K | $9M | +2.77% |
| Q2 2025 | 38.4K | $9M | +2.93% |
| Q1 2025 | 39.7K | $9M | +3.01% |
| Q4 2024 | 40.7K | $8M | +2.58% |
| Q3 2024 | 40.0K | $8M | +2.55% |
| Q4 2021 | 8.0K | $1M | +0.34% |
| Q3 2021 | 7.8K | $963,000 | +0.35% |
| Q2 2021 | 7.6K | $908,000 | +0.32% |
| Q1 2021 | 7.0K | $696,000 | +0.28% |
| Q4 2020 | 4.8K | $442,000 | +0.18% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See O'brien Greene & Co. Inc’s full portfolio or all institutional holders of CBOE.