Calamos Advisors LLC

Position in CBOE — Cboe Global Markets, Inc.

CIK 1316507 NAPERVILLE, IL

Position in CBOE

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$20,214,896

+$19,989,478 QoQ

Shares Held

83,302

+10286.8% QoQ

Ownership

0.080%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#119

of 977 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

Calamos Advisors LLC holds $68,657,920 across 5 Financial Data & Stock Exchanges names. CBOE ranks #2 (29.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SPGI	S&P Global Inc.	73,623	$28,366,879
2	CBOE	Cboe Global Markets, Inc. This page	83,302	$20,214,896
3	CME	Cme Group Inc.	37,720	$8,329,707
4	NDAQ	Nasdaq, Inc.	85,888	$6,769,692
5	COIN	Coinbase Global, Inc.	34,043	$4,976,746

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$20,214,896	83,302	+10286.8%	Shares	Sole	2026-07-31
2026-03-31	$225,418	802	-99.1%	Shares	Sole	2026-05-04
2025-12-31	$21,251,417	84,667	-3.9%	Shares	Sole	2026-01-29
2025-09-30	$21,607,751	88,105	0.0%	Shares	Sole	2025-10-20
2025-06-30	$20,546,967	88,105	0.0%	Shares	Sole	2025-08-08
2025-03-31	$19,937,280	88,105	+1.1%	Shares	Sole	2025-04-29
2024-12-31	$17,024,029	87,124	0.0%	Shares	Sole	2025-01-24
2024-09-30	$17,849,093	87,124	-2.4%	Shares	Sole	2024-11-07
2024-06-30	$15,179,895	89,262	-3.5%	Shares	Sole	2024-07-25
2024-03-31	$16,998,699	92,520	-2.5%	Shares	Sole	2024-05-08
2023-12-31	$16,935,880	94,847	-1.3%	Shares	Sole	2024-01-31
2023-09-30	$15,009,594	96,086	0.0%	Shares	Sole	2023-10-26
2023-06-30	$13,260,828	96,086	0.0%	Shares	Sole	2023-07-28
2023-03-31	$12,898,584	96,086	-11.1%	Shares	Sole	2023-05-04
2022-12-31	$13,563,056	108,098	-15.0%	Shares	Sole	2023-01-26
2022-09-30	$14,930,755	127,211	0.0%	Shares	Sole	2022-10-24
2022-06-30	$14,399,013	127,211	+2.8%	Shares	Sole	2022-08-01
2022-03-31	$14,163,479	123,785	+15.4%	Shares	Sole	2022-05-03
2021-12-31	$13,993,093	107,309	-28.1%	Shares	Sole	2022-02-01
2021-09-30	$18,491,926	149,297	+9.7%	Shares	Sole	2021-10-26
2021-06-30	$16,205,681	136,125	+29.4%	Shares	Sole	2021-07-22
2021-03-31	$10,379,128	105,169	+3.2%	Shares	Sole	2021-04-12
2020-12-31	$9,490,697	101,919	-4.2%	Shares	Sole	2021-01-27
2020-09-30	$9,329,569	106,332	-8.1%	Shares	Sole	2020-10-26
2020-06-30	$10,798,092	115,760	-70.1%	Shares	Sole	2020-07-27
2020-03-31	$34,579,287	387,443	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.