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BlackRock, Inc.

Position in MKTX — Marketaxess Holdings Inc

CIK 2012383 New York, NY

Position in MKTX

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$453,941,379
-$218,377,522 QoQ
Shares Held
3,999,836
-1.8% QoQ
Ownership
11.4%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1
of 393 holders
Holding Since
Sep 2024
8 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

BlackRock, Inc. holds $85,571,488,176 across 70 Capital Markets names. MKTX ranks #26 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $453,941,379 3,999,836
2026-03-31 $672,318,901 4,075,154
2025-12-31 $679,048,045 3,746,472
2025-09-30 $322,433,761 1,850,409
2025-06-30 $591,825,529 2,649,886
2025-03-31 $563,677,416 2,605,396
2024-12-31 $715,164,554 3,163,885
2024-09-30 $743,979,430 2,903,901