Abc Arbitrage 13F: New $7.6M Stake in MarketAxess (MKTX)

Abc Arbitrage opened a brand-new stake in MarketAxess Holdings Inc. MKTX, buying 46,236 shares valued at roughly $7.58 million. According to a Form 13F filing with the Securities and Exchange Commission on October 23, 2026, the fund added the position during the preceding quarter.

MKTX MarketAxess Holdings Inc.

$164.67 ▼ -6.41% year to date

1M 3M YTD

Daily close · Oct 23, 2026

What Changed in Abc Arbitrage's MarketAxess Position

The fund started from zero shares and built a position of 46,236 shares by the end of the reporting period. The newly acquired holding carries a reported value of $7,579,005 based on the filing data.

Other Institutional Activity in MarketAxess

Other large investors adjusted their holdings in MarketAxess around the same time. Primecap Management Company grew its holdings by 157,655 shares, ending with 3,504,905 shares worth about $577,152,699. North Reef Capital Management LP increased its stake by 1,520,035 shares, or 81.1%, for a total of 3,395,000 shares valued at about $559,054,643. AQR Capital Management, LLC reduced its position by 696,423 shares, or 25.9%, holding 1,987,288 shares worth approximately $327,246,711. Neuberger Berman Group, LLC lifted its holdings by 263,915 shares, or 27.3%, finishing with 1,229,929 shares valued at about $202,532,406.

MarketAxess Holdings Inc. Stock Up 0.2%

Shares of MarketAxess closed at $164.67 on October 23, 2026, and recently traded around $164.66 as of October 24, 2026. The stock sits about 5.9% above its 200-day moving average of $155.51 and about 16.0% below its 52-week high of $195.97.

Recent Earnings

The electronic trading platform operator generated trailing twelve-month revenue of $870,025,024 and earnings of $8.46 per share. Profitability metrics include a net profit margin of 35.2% and a return on equity of 23.1%. The company's next earnings report is scheduled for November 5, 2026.

Dividend

MarketAxess pays an annual dividend rate of $3.12 per share, yielding 1.89%. The payout represents 36.4% of the company's earnings.

Insider Buying and Selling at MarketAxess Holdings Inc.

Company insiders completed several transactions leading up to the filing. General Counsel Scott Pintoff sold 100 shares on August 10, 2026, at an average price of $162.60 for a total of $16,260. Scott Pintoff sold another 100 shares on September 10, 2026, at an average price of $163.32 totaling $16,332. Director William Frank Cruger Jr sold 6,164 shares on September 10, 2026, at an average price of $163.20 for a total of $1,005,965. Finally, Scott Pintoff sold 100 shares on October 12, 2026, at an average price of $164.65 for a total of $16,465.

Analysts Set New Price Targets

Wall Street firms updated their views on the stock ahead of the filing. On July 15, 2026, Piper Sandler maintained its neutral rating and lowered its price target from $175.00 to $128.00. UBS downgraded the stock to neutral on July 31, 2026, and lowered its price target from $200.00 to $167.00. Barclays maintained an equal-weight rating on August 10, 2026, raising its target from $132.00 to $167.00. Keefe, Bruyette & Woods downgraded the stock to market perform on August 11, 2026, raising its target from $150.00 to $167.00. Morgan Stanley maintained an equal-weight rating on October 9, 2026, lifting its target from $129.00 to $167.00. Overall, the stock carries a consensus hold rating from nine analysts with a mean price target of $162.22.

About MarketAxess

MarketAxess operates electronic trading platforms that connect institutional investors and broker-dealers for fixed-income trading, including U.S. high-grade and high-yield bonds, emerging market debt, and municipal securities. Institutional interest remains active as market participants monitor liquidity conditions across global credit markets.

Bottom Line

Abc Arbitrage's new stake comes as investors prepare for MarketAxess to release its next quarterly financial update on November 5, 2026. Market observers will track institutional flows and trading volumes to gauge demand for electronic credit trading platforms.