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Stocks / Marketaxess Hldgs Inc
Institutional Ownership

Marketaxess Hldgs Inc

CUSIP 57060D108COMMKTXQ1 2026

Institutional Holders
437
13F filers
Shares Held
34.13M
Aggregate institutional
Institutional Value
$5.32B
Q1 2026
Net New Holders
-32
53 new · 85 closed

Institutional Ownership Trend

Aggregate 13F value by quarter

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Position Activity

Q1 2026

New positions53
Increased180
Decreased147
Sold out85

Institutional Holders

437 funds hold this security · Q1 2026

#FundSharesValueΔ SharesActivity
1Blackrock, Inc.4.08M$672.32M+328.7KAdded
2Primecap Management Co/Ca/3.35M$552.21M+171.7KAdded
3Aqr Capital Management LLC2.68M$442.76M+125.6KAdded
4North Reef Capital Management LP1.88M$309.34M+265.7KAdded
5Fmr LLC1.52M$250.67M485.2KReduced
6State Street Corp1.28M$211.32M+32.5KAdded
7Millennium Management LLC1.09M$179.36M+785.5KAdded
8Bank Of Montreal /Can/1.02M$168.37M+69.5KAdded
9 Neuberger Berman Group LLC966.0K$159.38M+416.4KAdded
10Geode Capital Management, LLC863.0K$142.40M+29.9KAdded

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