Edmodo is an education social network for teachers and students K-12. The company has raised $15 million in Series B funding led by Greylock Partners and Benchmark Capital. Reid Hoffman (Greylock) and Matt Cohler (Benchmark) will be joining Edmodo’s board of directors as a result of this funding round.

Yesterday Groupon Inc. (NASDAQ:GRPN) had an initial public offering. The company set their stock price at $20 and yesterday it closed at $26.11. The company was given a valuation of over $17 billion. BusinessInsider.com has compiled a list of how much the executives and investors made from the IPO. Below is the list:

Mobile device management company Zenprise has raised $30 million in funding in a round led by Greylock Partners. Asheem Chandna of Greylock Partners will be joining Zenprise’s board of directors as a result of the funding. Below is the press release:

Tumblr is a popular blogging service that has raised $85 million in a new round of funding. Tumblr is best known for simple blogging tools to post photos, videos, songs, etc. The investment in this round was led by Greylock Partners. Insight Venture Partners, the Chernin Group, Richard Branson, Spark Capital, Union Square Ventures, and Sequoia Capital also participated in this round.

One Kings Lane is a flash sales website for accessories and home decorations. One Kings Lane has raised $40 million in a new round of funding led by Tiger Global Management. Institutional Venture Partners, Kleiner Perkins, and Greylock Partners has joined in this round of funding. One Kings Lane is now valued at about $440 million as the company raised $65 million in funding total.

Okta is an enterprise cloud app management company that has raised $16.5 million in Series B funding. Greylock Partners, Khosla Ventures, Andreessen Horowitz, and FLOODGATE participated in this round. Okta has raised a total of $28 million thus far.

Airbnb is close to raising over $100 million based on a valuation of over $1 billion. This round is being lead by Andreessen Horowitz. Participation is expected from DST. Airbnb’s last round of funding was about $7.2 million and included Sequoia Capital, Greylock, SV Angel, Ashton Kutcher, and Youniversity Ventures. Airbnb launched out of Y Combinator.

LinkedIn Corp (NYSE:LNKD) went public today and their shares have surged over 100% during mid-day trading. The company priced their IPO at $45 and the stock opened at $83 before settling at about $120 within 2 hours of the trading. LinkedIn raised over $100 million in funding from Sequoia Capital, Greylock Partners, and Bessemer Venture Capital Partners.