BERLIN — Shares in Zalando, the Berlin-based online fashion retailer, will be listed on the MDAX stock index of Germany’s 50 most important mid-caps as of June 19. It joins German fashion firms Hugo Boss and Gerry Weber in the listing.

The MDAX entry comes just eight months after Zalando’s Frankfurt Stock Exchange debut, and only a year after Germany’s most famous start-up posted its first profit.

Since going online in 2008, Zalando quickly grew to become Europe’s largest specialist fashion and footwear e-tailer, now operating in 15 European markets.

Having boosted sales 25.7 percent to 2.21 billion euros, or $2.94 billion in 2014, the company is expecting 2015 sales growth to come in at the higher end of its 20-25 percent growth corridor.

Dollar figures are calculated at an average exchange rate for the period in question.

The site attracts 130 million visitors monthly, and at the end of the first quarter of 2015, Zalando had over 15 million active customers.

Rubin Ritter, a member of the Zalando board, said notation on the MDAX “underscores our positive business development and the interest in our stock.” Having debuted at an initial share price of  21.50 euros last October, shares in Zalando stood at 30.13 euros in mid-day trading Thursday.

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