日前，医院连锁运营商HCA Holdings Inc.价值38亿美元的发行，使得2011年IPO总额达到125亿美元，比去年同期高出6倍多。此外，今年的IPO数量比2008、2009以及2010年IPO之和都要多。

    10宗规模最大的发行中，有5宗是获得私募基金支持的公司，包括HCA、Kinder Morgan和尼尔森控股公司(Nielsen Holdings)。

    发行总数中一半以上是获得风险资本支持的公司，包括InterXion募资2.64亿美元、Demand Media募资1.51亿美元和Gevo募资1.07亿美元。

    就上市数量而言，纽约证交所（NYSE）以11:10险胜纳斯达克（Nasdaq），但几乎94%的IPO募集资金都流向在纽交所上市的公司。高盛（Goldman Sachs）担任主要承销商，占市场份额的21.9%。

    Today's $3.8 billion offering for hospital chain HCA Holdings Inc. (HCA) brought 2011 IPO volume to $12.5 billion, which is six times larger than volume at this time last year. Moreover, there have been more IPOs this year than in 2008, 2009 and 2010 combined.

    Five of the 10 largest offerings have been for private equity-backed companies, including HCA, Kinder Morgan (KMI) and Nielsen Holdings (NLSN).

    More than half of the total offerings have been for VC-backed companies, including InterXion (INXN) raising $264 million, Demand Media (DMD) raising $151 million and Gevo (GEVO) raising $107 million.

    NYSE has a slight 11-10 edge over the Nasdaq in terms of listings, although approximately 94% of the IPO proceeds went to NYSE-listed companies. Goldman Sachs is the leading underwriter, with 21.9% of the market.