GAMCO INVESTORS, INC. ET AL

Position in CBOE — Cboe Global Markets, Inc.

CIK 807249 GREENWICH, CT

Position in CBOE

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$421,886

+$45,386 QoQ

Shares Held

1,501

+0.1% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GAMCO INVESTORS, INC. ET AL holds $13,248,828 across 4 Financial Data & Stock Exchanges names.

#	Ticker	Company	Shares	Value (USD)
1	SPGI	S&P Global Inc.	17,591	$6,777,620
2	MCO	Moodys Corp /De/	12,245	$5,546,005
3	CME	Cme Group Inc.	2,702	$596,682
4	NDAQ	Nasdaq, Inc.	4,168	$328,521

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$421,886	1,501	+0.1%	Shares	Sole	2026-05-14
2025-12-31	$376,500	1,500	0.0%	Shares	Sole	2026-02-05
2025-09-30	$367,875	1,500	0.0%	Shares	Sole	2025-11-12
2025-06-30	$349,815	1,500	—	Shares	Sole	2025-08-13
No filing history on record for this holder in this stock.