Loopt, a Palo Alto, Calif. company that lets friends track each other’s presence on a map interface on mobile phones, has drawn down $8.25 million of a $12 million second round of funding, according to a regulatory filing cited by PE Wire. Return backers include New Enterprise Associates and Sequoia Capital. It previously raised an $8 million first round of capital.

The company recently struck a deal with Sprint, which we covered.