Shares of SS&C Technologies Holdings are rising in their IPO debut after the company raised $160.9 million.

The Windsor, Conn., company provides software and back-office services for the financial services sector. It follows two successful technology IPOs last week.

SS&C Technologies Holdings Inc. and its shareholders sold 10.7 million shares to initial investors for $15 each, the top of the expected $13 to $15 range, the company said Wednesday. Its private-equity owner Carlyle Group retained its entire stake, about 63 percent of shares outstanding after the initial public offering.

SS&C shares are up 82 cents, or 5.5 percent, to $15.82 in morning trading Wednesday on the Nasdaq under the symbol "SSNC."