Momentive plans to raise up to $862.5m in its initial public offering, according to its regulatory filing. Apollo owns 89.5% of Momentive, with GE Capital Equity Investments, a subsidiary of General Electric, holding 8.9%.

Goldman Sachs, Citigroup and Deutsche Bank are serving as co-lead underwriters for US-based solar power tower developer BrightSource Energy's flotation, although their peer Morgan Stanley, which owns 10.5% of its portfolio company.

Impinj, a US-based provider of radio-frequency identification (RFID) tags, filed for a $100m initial public offering (IPO) while Phoenix New Media, the digital media arm of Phoenix Satellite Television, plans to raise double that.

21Vianet had planned to raise $158.7m by issuing 11.5 million American depositary shares (ADSs), each representing six class A ordinary shares, according to its regulatory filing. Instead, it priced 13 million ADSs at $15 each and closed its first day of trading up 25%.

Sagent Pharmaceuticals sold 5.75 million shares at $16 each, compared to plans to price five million shares at between $14 and $16 per share.

Investment banks Stifel Nicolaus Weisel and Piper Jaffray are co-lead underwriters of Envivio's initial public offering (IPO) and the company posted a $2m net loss on $30m of revenues last year, according to its regulatory filing.

Softbank owns 39.6% of RenRen after buying more than a third of the company in 2008's series D round for $415m and will be diluted to 34.2% after the initial public offering.

publisher International Data Group's China-based corporate venturing unit floats Qihoo 360 Technology with first day pop and raises two funds.

Sequans will offer 9.17 million American Depositary Shares (ADSs), representing an ordinary share and being sold for $11 to $13 each.