Ticker · CUSIP 12503M108

CBOE

CBOE GLOBAL MKTS INC

Financial Services·Financial Data & Stock Exchanges

···Share

Holders (tracked)

Combined shares

4,491,478

Combined value

$1.13B

Last close

$299.94

Quarter

2025Q4

Price is +19.5% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$299.94+84.01 (+38.90%)H $309.38 · L $210.31 · Avg Vol 837K

Congress buyCongress sell

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

24 events

Wellington Management trimmed2026-02-17
−662 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+180,087 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−38,221 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−67,126 shares · 2025Q4
Position
Steve Cohen (Point72) exited2026-02-17
−226,943 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−49,352 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−139,622 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−156,096 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) trimmed2026-02-13
−9,478 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−203,518 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+1,412,661 shares · 2025Q4
Position
Tom Gayner (Markel Group) added2026-02-06
+13,250 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+14,339 shares · 2025Q3
Position
Steve Cohen (Point72) added2025-11-14
+140,932 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−68,849 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−260,759 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−131,710 shares · 2025Q3
Position
Wellington Management added2025-11-14
+134 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−62,454 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) opened position2025-11-13
+27,323 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−315,900 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−1,390,308 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−76,330 shares · 2024Q3
Position
Tom Gayner (Markel Group) added2025-10-31
+9,500 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for CBOE →

Follow-the-investor returns

If you'd copied each holder of CBOE…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Renaissance Technologies	2016Q1	$78.39	+282.6%	$341.8M
Wellington Management	2016Q4	$143.65	+108.8%	$383K
T. Rowe Price	2016Q1	$144.80	+107.1%	$108.8M
AQR Capital Management	2016Q1	$170.14	+76.3%	$130.2M
Ray Dalio (Bridgewater Associates)	2021Q1	$217.57	+37.9%	$5.4M
Mario Gabelli (GAMCO)	2025Q2	$233.21	+28.6%	$450K
D.E. Shaw & Co.	2016Q1	$237.43	+26.3%	$7.2M
D.E. Shaw & Co.	2016Q1	$237.43	+26.3%	$7.2M
Tom Gayner (Markel Group)	2025Q1	$240.60	+24.7%	$12.5M
Ken Griffin (Citadel Advisors)	2016Q1	$245.81	+22.0%	$20.1M
Ken Griffin (Citadel Advisors)	2016Q1	$245.81	+22.0%	$20.1M
Ken Griffin (Citadel Advisors)	2016Q1	$245.81	+22.0%	$20.1M
Izzy Englander (Millennium Mgmt)	2016Q1	$249.42	+20.3%	$1.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$249.42	+20.3%	$1.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$249.42	+20.3%	$1.3M
Steve Cohen (Point72)	2016Q2	$250.42	+19.8%	$3.0M
Steve Cohen (Point72)	2016Q2	$250.42	+19.8%	$3.0M
Two Sigma Investments	2016Q1	$250.43	+19.8%	$102.5M
Two Sigma Investments	2016Q1	$250.43	+19.8%	$102.5M
Norges Bank (Norway SWF)	2016Q1	$3912.95	-92.3%	$423.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Norges Bank (Norway SWF)
+1,412,661
$354.6M

Added to2

Ken Griffin (Citadel Advisors)
+180,087
$45.2M
Tom Gayner (Markel Group)
+13,250
$3.3M

Trimmed8

Renaissance Technologies
−203,518
$51.1M
Izzy Englander (Millennium Mgmt)
−156,096
$39.2M
Two Sigma Investments
−139,622
$35.0M
AQR Capital Management
−49,352
$12.4M
D.E. Shaw & Co.
−38,221
$9.6M
Ray Dalio (Bridgewater Associates)
−9,478
$2.4M
Wellington Management
−662
$166K
T. Rowe Price
−67,126
$17K

Exited1

Steve Cohen (Point72)
−226,943
$55.7M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	15	22,078,360	$112.99B	—
2022Q2	16	21,345,582	$115.31B	+1
2022Q3	20	17,160,630	$2.01B	+4
2022Q4	17	18,291,461	$2.29B	-3
2023Q1	19	18,872,988	$2.53B	+2
2023Q2	17	18,915,550	$2.61B	-2
2023Q3	17	19,132,302	$2.99B	—
2023Q4	18	20,105,596	$3.59B	+1
2024Q1	14	17,883,150	$3.28B	-4
2024Q2	16	17,317,775	$2.95B	+2
2024Q3	16	6,637,628	$1.36B	—
2024Q4	15	5,891,937	$1.15B	-1
2025Q1	17	4,201,984	$950.6M	+2
2025Q2	18	5,637,446	$1.31B	+1
2025Q3	18	3,936,798	$965.5M	—
2025Q4	20	4,491,478	$1.13B	+2

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-12-19	Gilbert Cisneros	Sell (P)	$1K – $15K	PDF ↗
2025-11-12	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗

Who owns CBOE

20 super-investors · 2025Q4

Tracked stake

4.49M

Combined value

$1.13B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added4Trim12Sold2Held1

#	Manager	Shares	Value	% of book	Last action
1	Norges Bank Norway SWF	1.41M	$355M	0.0%	New+1.41M
2	Renaissance Technologies	1.14M	$286M	0.4%	Trim−203.5K
3	AQR Capital Management	434.2K	$109M	0.1%	Trim−49.4K
4	Ken Griffin Citadel Advisors	379.4K	$95M	0.0%	Added+180.1K
5	T. Rowe Price	362.9K	$91M	0.0%	Trim−67.1K
6	Two Sigma Investments	341.7K	$86M	0.1%	Trim−139.6K
7	Ken Griffin Citadel Advisors	162.4K	$41M	0.0%	Added+180.1K
8	Ken Griffin Citadel Advisors	66.9K	$17M	0.0%	Added+180.1K
9	Tom Gayner Markel Group	41.8K	$10M	0.1%	Added+13.3K
10	D.E. Shaw & Co.	39.9K	$10M	0.0%	Trim−38.2K
11	Izzy Englander Millennium Mgmt	32.2K	$8M	0.0%	Trim−156.1K
12	D.E. Shaw & Co.	23.9K	$6M	0.0%	Trim−38.2K
13	Ray Dalio Bridgewater Associates	17.8K	$4M	0.0%	Trim−9.5K
14	Izzy Englander Millennium Mgmt	14.0K	$4M	0.0%	Trim−156.1K
15	Steve Cohen Point72	10.0K	$3M	0.0%	Sold−226.9K
16	Izzy Englander Millennium Mgmt	4.2K	$1M	0.0%	Trim−156.1K
17	Steve Cohen Point72	3.4K	$853K	0.0%	Sold−226.9K
18	Two Sigma Investments	2.0K	$502K	0.0%	Trim−139.6K
19	Mario Gabelli GAMCO	1.5K	$377K	0.0%	Held
20	Wellington Management	1.3K	$321K	0.0%	Trim−662

Recent moves

20 transactions

ADDKen Griffin (Citadel Advisors)
+180,087 · 2025Q4
TRIMAQR Capital Management
−49,352 · 2025Q4
SOLDSteve Cohen (Point72)
−226,943 · 2025Q4
TRIMWellington Management
−662 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−156,096 · 2025Q4
TRIMD.E. Shaw & Co.
−38,221 · 2025Q4
TRIMTwo Sigma Investments
−139,622 · 2025Q4
TRIMT. Rowe Price
−67,126 · 2025Q4
TRIMRay Dalio (Bridgewater Associates)
−9,478 · 2025Q4
TRIMRenaissance Technologies
−203,518 · 2025Q4
NEWNorges Bank (Norway SWF)
+1,412,661 · 2025Q4
ADDTom Gayner (Markel Group)
+13,250 · 2025Q4
ADDSteve Cohen (Point72)
+140,932 · 2025Q3
ADDWellington Management
+134 · 2025Q3
TRIMD.E. Shaw & Co.
−260,759 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+14,339 · 2025Q3
TRIMT. Rowe Price
−131,710 · 2025Q3
TRIMTwo Sigma Investments
−68,849 · 2025Q3
TRIMAQR Capital Management
−62,454 · 2025Q3
SOLDNorges Bank (Norway SWF)
−1,390,308 · 2025Q3

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