CBOE
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 20.9 | P/B | 5.11 |
| EPS (TTM) | 12.89 | Dividend | 1.22% |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 10.5M | 0.1% | +6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.8M | n/a | n/a |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2M | n/a | n/a |
| State Street | 5.0M | 0.0% | −0% |
| Fidelity Management | 4.7M | 0.1% | +8% |
| ALLIANCEBERNSTEIN L.P. | 5.1M | 0.4% | −23% |
Top institutional owners for CBOE as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
| Date | Insider | Action | Shares | $ value |
|---|---|---|---|---|
| AUG 14 | Froetscher Janet P | SELL | 937 | −$261K |
| MAY 20 | Froetscher Janet P | SELL | 1K | −$438K |
0 insider buys, 2 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.