Lab products supplier VWR raises $536M in IPO, shares of online retailer Wayfair climb higher

Laboratory products supplier VWR raised $536 million in its initial public offering Thursday, while home goods retailer Wayfair saw its shares surge after its IPO priced higher than expected.

VWR Corp. said it raised $536.2 million in gross proceeds, although that figure was slightly below its estimates. Wayfair, an online home goods retailer with nearly $1 billion in sales in 2013, said its offering raised $319 million.

VWR sold 25.5 million shares for $21 per share, below its forecast of $22 to $25 per share. The Randor, Pennsylvania, company's shares are trading on the Nasdaq under the ticker symbol "VWR." Its stock declined 7 cents to $20.93 in midday trading.

Wayfair Inc. stock rose $5.81, or 20 percent, to $34.81. The company's IPO of 11 million shares priced at $29, above its estimate of $25 to $28 per share. The Boston company's shares are trading on the NYSE under the ticker symbol "W."

Elsewhere, JP Energy Partners took in $275 million in gross proceeds, as its offering of 13.8 million units priced at $20 each. That was in the middle of its expectations. JP Energy Partners LP is a master limited partners that runs midstream energy assets for crude oil, refined products and natural gas liquids. It is based in Irving, Texas.

The company's units, trading on the NYSE under the ticker symbol "JPEP," fell 62 cents, or 3.1 percent, to $19.38.

Atento, which runs call centers in Latin America, is based in Madrid and incorporated in Luxembourg. The company's offering priced at $150 million, as a total of 10 million shares were sold for $15 each. That was far below Atento's initial expectations, as the company expected to sell 14.6 million shares for $19 to $22 each.

The company said it will receive $72.3 million in gross proceeds, with $77.7 million going to Bain Capital. The stock is trading under the ticker symbol "ATTO" on the NYSE, and it lost $1.75, or 11.7 percent, to $13.25.

Calithera Biosciences reported $80 million in gross proceeds from its IPO, selling 8 million shares for $10 a share. The company had expected to sell 6 million shares for the higher price of $13 to $15 a share. Calithera Biosciences Inc. is based in San Francisco. It is studying drugs designed to inhibit tumor metabolism. Its shares are trading under the symbol "CALA" on the Nasdaq, and they sank 38 cents to $9.62.

AAC Holdings' IPO priced at $75 million as the company sold 5 million shares for $15 per share, a higher price than it had expected.

AAC Holdings Inc. runs six inpatient substance-abuse treatment facilities. It is based in Brentwood, Tennessee. The company said it expects $65.6 million in net proceeds from the offering. Its shares are trading under the ticker symbol "AAC" on the New York Stock Exchange. They rose $3.90, or 26 percent, to $18.90.