Silver Wheaton (NYSE: SLW) reported earnings on May 10. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), Silver Wheaton whiffed on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue increased. GAAP earnings per share shrank.

Margins shrank across the board.

Revenue details
 Silver Wheaton booked revenue of $205.8 million. The five analysts polled by S&P Capital IQ expected revenue of $243.4 million on the same basis. GAAP reported sales were the same as the prior-year quarter's.

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 $0.37. The 11 earnings estimates compiled by S&P Capital IQ predicted $0.41 per share. GAAP EPS of $0.37 for Q1 were 9.8% lower than the prior-year quarter's $0.41 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 85.2%, 230 basis points worse than the prior-year quarter. Operating margin was 68.6%, 690 basis points worse than the prior-year quarter. Net margin was 64.8%, 890 basis points worse than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $230.0 million. On the bottom line, the average EPS estimate is $0.35.

Next year's average estimate for revenue is $937.9 million. The average EPS estimate is $1.51.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 2,663 members out of 2,773 rating the stock outperform, and 110 members rating it underperform. Among 403 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 379 give Silver Wheaton a green thumbs-up, and 24 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Silver Wheaton is outperform, with an average price target of $47.59.

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