After the market close, the weight management program reported adjusted earnings of 53 cents per share, topping analysts' estimates of 45 cents per share.
Revenue climbed 2.7% year-over-year to $280.8 million but missed analysts' projections of $285.5 million.
"We've seen a great response to our fall campaign and in Q3 we achieved our highest year-over-year percentage growth in recruitment so far this year," interim CEO Nick Hotchkin said in a statement.
The program's total number of subscribers rose 10.1% year-over-year to 2.83 million for the period. Subscriber growth was driven by increased recruitment in North America, the company said.
Weight Watchers raised its full-year guidance to between 95 cents and $1.05 per diluted share from between 90 cents and $1.05 per diluted share.
Separately, TheStreet Ratings team rates the stock as a "sell" with a ratings score of D+.
Weight Watchers's weaknesses include its weak operating cash flow, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share.
You can view the full analysis from the report here: WTW
TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this article's author.