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FMR LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 315066 BOSTON, MA

Position in MKTX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$250,674,074
-$112,664,205 QoQ
Shares Held
1,519,421
-24.2% QoQ
Ownership
4.28%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 99.21549063755208.ToString("F0")% Shared 0.ToString("F0")% None 0.7845093624479325.ToString("F0")%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

FMR LLC holds $17,105,197,406 across 47 Capital Markets names. MKTX ranks #13 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $250,674,074 1,519,421
2025-12-31 $363,338,279 2,004,625
2025-09-30 $373,578,232 2,143,921
2025-06-30 $520,861,485 2,332,146
2025-03-31 $473,788,325 2,189,916
2024-12-31 $520,013,154 2,300,536
2024-09-30 $501,906,815 1,959,043
2024-06-30 $334,465,788 1,667,909
2024-03-31 $252,884,483 1,153,407
2023-12-31 $231,504,951 790,524
2023-09-30 $116,554,078 545,563
2023-06-30 $29,369,491 112,346
2023-03-31 $46,522,031 118,894
2022-12-31 $27,991,072 100,366
2022-09-30 $63,320,208 284,598
2022-06-30 $90,267,333 352,593
2022-03-31 $124,908,851 367,163
2021-12-31 $153,337,906 372,840
2021-09-30 $46,984,761 111,685
2021-06-30 $71,643,660 154,541
2021-03-31 $180,157,412 361,820
2020-12-31 $347,419,118 608,909
2020-09-30 $217,888,652 452,436
2020-06-30 $113,382,738 226,349
2020-03-31 $37,919,630 114,020