San Francisco-based firm Susa Ventures announced today that it put together $50 million for its second investment fund.

With 12 investments per year, Susa Ventures II will focus on seed-stage companies that “are building long-term defensibility through proprietary data, network effects, and economies of scale,” the firm said.

“As seed investors, we are betting on how companies will be valued 8-10 years in the future,” said founding general partner Leo Polovets. “Because we take the long view, we look for companies that are building sustainable competitive advantages through proprietary datasets or other means.”

Susa’s first fund launched in 2013, with $25 million, in which Robinhood, LendUp, and Whisper are among the 41 startups that got a maximum investment of $500,000.

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