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RENAISSANCE TECHNOLOGIES LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1037389 NEW YORK, NY

Position in MKTX

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$27,568,158
-$4,331,842 QoQ
Shares Held
167,100
-5.1% QoQ
Ownership
0.470%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

RENAISSANCE TECHNOLOGIES LLC holds $1,222,010,635 across 45 Capital Markets names. MKTX ranks #10 (2.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $27,568,158 167,100
2025-12-31 $31,900,000 176,000
2025-09-30 $42,691,250 245,000
2025-06-30 $42,568,604 190,600
2025-03-31 $28,017,325 129,500
2024-12-31 $51,509,995 227,880
2024-09-30 $48,065,682 187,610
2024-06-30 $33,014,457 164,636
2024-03-31 $1,140,100 5,200
2023-09-30 $25,873,940 121,110
2023-06-30 $15,896,950 60,810
2023-03-31 $25,031,995 63,973
2022-12-31 $18,705,988 67,073
2022-09-30 $30,388,351 136,583
2022-06-30 $15,225,682 59,473
2022-03-31 $8,836,014 25,973
2021-12-31 $37,747,594 91,783
2021-09-30 $78,026,636 185,473
2021-06-30 $140,997,653 304,143
2021-03-31 $225,584,149 453,053
2020-12-31 $407,923,583 714,953
2020-09-30 $465,535,715 966,664
2020-06-30 $518,734,718 1,035,564
2020-03-31 $399,537,625 1,201,364