MarketAxess Holdings (Nasdaq: MKTX) reported earnings on July 24. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended June 30 (Q2), MarketAxess Holdings beat slightly on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue grew significantly. GAAP earnings per share expanded significantly.

Margins expanded across the board.

Revenue details
 MarketAxess Holdings booked revenue of $65.6 million. The five analysts polled by S&P Capital IQ wanted to see revenue of $64.4 million on the same basis. GAAP reported sales were 34% higher than the prior-year quarter's $48.8 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $0.51. The five earnings estimates compiled by S&P Capital IQ predicted $0.45 per share. GAAP EPS of $0.51 for Q2 were 50% higher than the prior-year quarter's $0.34 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 93.7%, much better than the prior-year quarter. Operating margin was 48.1%, 470 basis points better than the prior-year quarter. Net margin was 29.5%, 360 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $62.2 million. On the bottom line, the average EPS estimate is $0.42.

Next year's average estimate for revenue is $243.9 million. The average EPS estimate is $1.68.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 47 members out of 57 rating the stock outperform, and 10 members rating it underperform. Among 18 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 16 give MarketAxess Holdings a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on MarketAxess Holdings is hold, with an average price target of $40.50.