AvidXchange Holdings Inc. /zigman2/quotes/202119617/composite AVDX -0.87% is headed toward a public debut Wednesday, after the North Carolina-based accounts payable automation software provider said its upsized initial public offering priced at $25 a share, at the top of the recently raised expected range. The company raised $660.0 million as it sold 26.4 million shares, up from an expected 22.0 million shares. With about 191.36 million shares outstanding after the IPO, the pricing valued the company at about $4.78 billion. The stock is slated to begin trading on the Nasdaq some time after the open under the ticker symbol "AVDX." The company is going public at a time that the Renaissance IPO ETF /zigman2/quotes/207665280/composite IPO -1.37% has edged up 0.5% over the past three months while the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.75% has eased 0.4%.