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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MKTX

MARKETAXESS HOLDINGS INC

Superinvestors

Institutional investors holding MKTX

Consensus →
InvestorFundWeightSharesValueQuarter
Henry EllenbogenDurable Capital Partners0.20%46,683$23.2M2021Q1
Polen Capital ManagementPolen Capital Management0.00%4,046$875K2025Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.00%22$4K2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

2

Total trades

$77K

Volume

0

Buys

2

Sells

Last trade: Apr 10, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
Apr 10, 2026Scott PintoffSell$17K
Apr 3, 2026Christopher R ConcannonSell$60K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.