Millennial Media, the second largest mobile advertising platform in the US, raised $133 million by offering 10.2 million shares (10% insider) at $13, the high end of its upwardly revised $11 to $13 range. The company originally planned to offer its shares at $9 to $11. Millennial Media plans to trade on the NYSE under the symbol MM. Morgan Stanley, Goldman Sachs and Barclays Capital acted as lead underwriters on the deal.