AQR CAPITAL MANAGEMENT LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1167557 Greenwich, CT

Position in MKTX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$442,764,246

-$20,890,832 QoQ

Shares Held

2,683,745

+4.9% QoQ

Ownership

7.55%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 98.16077906060374.ToString("F0")% Shared 0.ToString("F0")% None 1.8392209393962542.ToString("F0")%

Financial Services · as of Mar 31, 2026

AQR CAPITAL MANAGEMENT LLC holds $3,011,702,512 across 37 Capital Markets names. MKTX ranks #2 (14.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SF	Stifel Financial Corp	8,469,863	$626,092,268
2	MKTX	Marketaxess Holdings Inc This page	2,683,745	$442,764,246
3	EVR	Evercore Inc.	1,316,852	$393,093,487
4	GS	Goldman Sachs Group Inc	459,172	$388,454,913
5	TW	Tradeweb Markets Inc.	2,896,209	$340,767,944
6	JEF	Jefferies Financial Group Inc.	5,282,691	$218,016,653
7	SCHW	Schwab Charles Corp	2,004,744	$188,405,835
8	MS	Morgan Stanley	561,713	$92,441,104

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$442,764,246	2,683,745	+4.9%	Shares	Other	2026-05-15
2025-12-31	$463,655,078	2,558,097	+169.0%	Shares	Other	2026-02-17
2025-09-30	$165,727,082	951,088	+25.4%	Shares	Defined	2025-11-14
2025-06-30	$169,394,901	758,462	+485.6%	Shares	Other	2025-08-14
2025-03-31	$28,019,054	129,508	+37.5%	Shares	Other	2025-05-15
2024-12-31	$21,294,096	94,205	+526.9%	Shares	Other	2025-02-14
2024-09-30	$3,849,916	15,027	-22.0%	Shares	Other	2024-11-14
2024-06-30	$3,863,009	19,264	-6.1%	Shares	Defined	2024-08-14
2024-03-31	$4,498,790	20,519	-49.3%	Shares	Defined	2024-05-15
2023-12-31	$11,840,803	40,433	-3.7%	Shares	Defined	2024-02-14
2023-09-30	$8,971,383	41,993	+213.5%	Shares	Other	2023-11-14
2023-06-30	$3,501,197	13,393	+23.6%	Shares	Other	2023-08-14
2023-03-31	$4,240,018	10,836	-50.8%	Shares	Defined	2023-05-15
2022-12-31	$6,140,600	22,018	-40.1%	Shares	Defined	2023-02-14
2022-09-30	$8,176,952	36,752	+415.0%	Shares	Defined	2022-11-14
2022-06-30	$1,827,143	7,137	+3.8%	Shares	Defined	2022-08-15
2022-03-31	$2,339,555	6,877	+7.6%	Shares	Defined	2022-05-16
2021-12-31	$2,627,604	6,389	-55.6%	Shares	Defined	2022-02-14
2021-09-30	$6,058,356	14,401	-18.9%	Shares	Defined	2021-11-15
2021-06-30	$8,233,358	17,760	-44.8%	Shares	Defined	2021-08-16
2021-03-31	$16,030,534	32,195	-3.0%	Shares	Defined	2021-05-17
2020-12-31	$18,930,039	33,178	+7.3%	Shares	Defined	2021-02-16
2020-09-30	$14,884,983	30,908	+13.5%	Shares	Defined	2020-11-16
2020-06-30	$13,637,046	27,224	+0.4%	Shares	Defined	2020-08-17
2020-03-31	$9,015,307	27,108	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.