Stock ownership
CBOE GLOBAL MKTS INC
- Ticker
- CBOE
- CUSIP
- 12503M108
- Held by
- 4 funds
- Combined value
- $217,573,665
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Viking Global Investors position history | Q1 2026 | NEW | $193,493,366 | 0.54% |
| Markel Group position history | Q1 2026 | +5% | $12,282,760 | 0.1% |
| Tudor Investment Corp position history | Q1 2026 | NEW | $7,552,632 | 0.04% |
| Thrive Capital position history | Q1 2026 | −8% | $4,244,907 | 0.53% |