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AQR CAPITAL MANAGEMENT LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1167557 Greenwich, CT

Position in MKTX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$225,537,314
-$217,226,932 QoQ
Shares Held
1,987,288
-26.0% QoQ
Ownership
5.65%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#5
of 390 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

AQR CAPITAL MANAGEMENT LLC holds $3,507,643,643 across 41 Capital Markets names. MKTX ranks #7 (6.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MKTX
Marketaxess Holdings Inc
This page
1,987,288 $225,537,314

All Filings in MKTX

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27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $225,537,314 1,987,288
2026-06-30 $225,537,315 1,987,288
2026-03-31 $442,764,246 2,683,745
2025-12-31 $463,655,078 2,558,097
2025-09-30 $165,727,082 951,088
2025-06-30 $169,394,901 758,462
2025-03-31 $28,019,054 129,508
2024-12-31 $21,294,096 94,205
2024-09-30 $3,849,916 15,027
2024-06-30 $3,863,009 19,264
2024-03-31 $4,498,790 20,519
2023-12-31 $11,840,803 40,433
2023-09-30 $8,971,383 41,993
2023-06-30 $3,501,197 13,393
2023-03-31 $4,240,018 10,836
2022-12-31 $6,140,600 22,018
2022-09-30 $8,176,952 36,752
2022-06-30 $1,827,143 7,137
2022-03-31 $2,339,555 6,877
2021-12-31 $2,627,604 6,389
2021-09-30 $6,058,356 14,401
2021-06-30 $8,233,358 17,760
2021-03-31 $16,030,534 32,195
2020-12-31 $18,930,039 33,178
2020-09-30 $14,884,983 30,908
2020-06-30 $13,637,046 27,224
2020-03-31 $9,015,307 27,108