Simulmedia has now raised about $32.5m in total.

Simulmedia, a US-based television advertising company backed by Time Warner Investments, the corporate venturing unit of the eponymous US-based media company, has raised another $5m of a planned $6m round, according to a regulatory filing first seen by news provider TechCrunch.

In May, Time Warner Investments, which has its head, Rachel Lam, on its portfolio company’s board, helped Simulmedia raise $6m in its series C round.

Time Warner was joined in the C round by venture firms Avalon Ventures…