Institutional shares held 39.2 Million
1.1M calls
126K puts
Total value of holdings $6.85B
$193M calls
$22M puts
Market Cap $6.59B
37,636,800 Shares Out.
Institutional ownership 104.03%
# of Institutions 525


Latest Institutional Activity in MKTX

Top Purchases

Q3 2025
Lombard Odier Asset Management (Europe) LTD Shares Held: 4.61M ($807M)
Q3 2025
Hsbc Holdings PLC Shares Held: 1.8M ($315M)
Q3 2025
Primecap Management CO Shares Held: 2.23M ($390M)
Q3 2025
North Reef Capital Management LP Shares Held: 911K ($159M)
Q3 2025
Burgundy Asset Management Ltd. Shares Held: 692K ($121M)

Top Sells

Q3 2025
T. Rowe Price Investment Management, Inc. Shares Held: 1.37M ($240M)
Q3 2025
Invesco Ltd. Shares Held: 76.3K ($13.4M)
Q3 2025
Vanguard Group Inc Shares Held: 3.85M ($674M)
Q3 2025
American Century Companies Inc Shares Held: 15.5K ($2.71M)
Q3 2025
Geode Capital Management, LLC Shares Held: 831K ($145M)

About MKTX

MarketAxess Holdings Inc., together with its subsidiaries, operates an electronic trading platform for institutional investor and broker-dealer companies worldwide. It offers the access to liquidity in the U.S. investment-grade bonds, U.S. high-yield bonds, and U.S. Treasuries, as well as municipal bonds, emerging market debts, Eurobonds, and other fixed income securities. The company, through its Open Trading protocols, executes bond trades between and among institutional investor and broker-dealer clients in an all-to-all anonymous trading environment for corporate bonds. It also offers trading-related products and services, including composite+ pricing and other market data products to assist clients with trading decisions; auto-execution and other execution services for clients requiring specialized workflow solutions; connectivity solutions that facilitate straight-through processing; and technology services to optimize trading environments. In addition, the company provides various pre-and post-trade services, such as trade matching, trade publication, regulatory transaction reporting, and market and reference data across a range of fixed-income and other products. MarketAxess Holdings Inc. was incorporated in 2000 and is headquartered in New York, New York.


Insider Transactions at MKTX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
97K Shares
From 20 Insiders
Grant, award, or other acquisition 60.9K shares
Bona fide gift 36.1K shares
Sell / Disposition
51.1K Shares
From 15 Insiders
Bona fide gift 36.7K shares
Open market or private sale 6.58K shares
Payment of exercise price or tax liability 7.83K shares

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