Car sharing marketplace RelayRides has acquired car sharing platform Wheelz. RelayRides has raised more than $13 million in venture capital funding from investors including Google Ventures, August Capital, Shasta Ventures and General Motors Ventures.

Victory Park Capital has announced a $25 million credit facility for Chicago-based AvantCredit, an online lending company offering loans between $1,000 and $10,000 to individuals. In addition to the credit facility, VPC also participated in AvantCredit’s Series A equity round led by August Capital.

The race to become the most sought-after analytics provider to brick-and-mortar retailers is on, with RetailNext bagging a $15 million Series C to help retailers track their customers’ every move.

Devicescape, a San Bruno, Calif.-based WiFi software maker, has appointed Jeff Baeth to the position of CFO. Baeth joins the company from Jajah, where he served as CFO, helping facilitate the company’s sale to Telefonica S.A. in 2010. Devicescape has raised nearly $16 million in funding, including from Kleiner Perkins Caufield & Byers and August Capital.

Xirrus, a Wi-Fi device maker based in Thousand Oaks, Calif, has closed a $23.5 million Series E financing round. The funding was led by existing investors August Capital, Canaan Partners, InterWest Partners, QuestMark Partners, and US Venture Partners.

Threadsy, a four-year-old startup that had raised $6.3 million from investors including August Capital and Harrison Metal Capital, was acquired last Friday by Facebook, according to a company blog post. Terms of the acquisition were not disclosed, though follow-on reports characterized the deal as an “acqui-hire,” meaning Facebook might have been more interested in the [...]

It is not everyday that you find an exit for a 15 year old portfolio company and one that bring a more than 4x return on capital to boot.

Qualcomm Inc. said it acquired Summit Microelectronics, a developer of programmable power integrated circuits based in Sunnyvale, Calif. No terms were disclosed. The company has a long list of venture backers, including Bessemer Venture Partners, Norwest Venture Partners, CID Group, HLM Venture Partners, Nokia Growth Partners, August Capital Management and FirstMark Capital, according to data [...]

Big data software maker Splunk floated shares at $17 this morning, and they are presently trading at $32.01, an 88.3% rise. The San Francisco company priced them above its anticipated $11 to $13 range and raised $229.5 million.

Forget Facebook. The fate of the IPO market this week could depend on the public offerings of three lower profile enterprise companies backed by venture firms: Splunk, Infoblox and Proofpoint.