In the first half of 2008, venture capitalists funneled $2 billion into 139 clean tech start-ups.
O'Brien states that, in "the first half of 2013, venture capitalists invested $12.7 billion, down from $13.6 billion".
Through the first half of 2012, 30 venture backed companies have gone public, six fewer than the first half of 2011.
During the first half of the year, venture capital firms raised about $16 billion in 141 funds and invested about $15 billion in nearly 2,000 deals.
The Center for Venture Research reported that in the first half of 2013, 16percentt of ventures seeking financial backing were owned by women, and only 24percentt of those businesses received angel investment funds.
For basis of comparison, in the first half of 2010, 81 U.S. venture funds raised $6.8 billion.
The first half of 2015 saw 228 venture capital deals, worth $2.06 billion — nearly reaching the record $2.36 billion invested in all of 2014, according to AgFunder News.
The first half of 2015 saw over $105 million of venture capital investment in Bay Area firms alone that have the automotive industry specifically in their cross hairs with an approximate 60/40 split between early stage/late stage funding rounds.
And in the first half of 2013, more than $500 million in venture financing was raised by 92 start-ups in Los Angeles, according to Built in Los Angeles, an online resource for the city's entrepreneurs.
In the first half of 2014, more than 63,000 migrants ventured to Italy by sea from North Africa.
Virginia companies received the fourth-highest amount of venture capital funding in the first half of 2011 after California, Massachusetts, and New York.
