MARKETAXESS HOLDINGS INC - Common Stock, $0.003 par value (MKTX)

CUSIP: 57060D108

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, $0.003 par value
Shares outstanding
37,181,642
Total 13F shares
36,486,237
Share change
+1,663,380
Total reported value
$6,612,493,381
Put/Call ratio
65%
Price per share
$181.25
Number of holders
479
Value change
+$306,436,555
Number of buys
255
Number of sells
238

Quarterly Holders Quick Answers

What is CUSIP 57060D108?
CUSIP 57060D108 identifies MKTX - MARKETAXESS HOLDINGS INC - Common Stock, $0.003 par value in SEC institutional holdings data.

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Institutional Holders of MARKETAXESS HOLDINGS INC - Common Stock, $0.003 par value (MKTX) as of Q4 2025

As of 31 Dec 2025, MARKETAXESS HOLDINGS INC - Common Stock, $0.003 par value (MKTX) was held by 479 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,486,237 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock, Inc., PRIMECAP MANAGEMENT CO/CA/, AQR CAPITAL MANAGEMENT LLC, FMR LLC, North Reef Capital Management LP, STATE STREET CORP, VAN ECK ASSOCIATES CORP, GUARDCAP ASSET MANAGEMENT Ltd, and BANK OF MONTREAL /CAN/. This page lists 479 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.