Clever phrasing has led some liberals to believe Mitt Romney owns 51% of Sensata Technologies. To quote Joe Biden, that's "not mathematically possible." SooperMexican tracked down the numbers: Mitt Romney has $8 Million dollars invested in Bain Capital. The company manages more than 8000 times that amount. In the end, Romney's investment in Sensata amounts to about 0.0064% of the company.