Robinhood Billionaire’s Solar Space Firm Raises $50 Million (1)

A Silicon Valley startup run by the billionaire co-founder of brokerage firm Robinhood Markets Inc. is receiving new funding for a plan to build a solar power grid in orbit.

Baiju Bhatt’s Aetherflux Inc. announced on Wednesday a $50 million fundraising round co-led by Index Ventures and Interlagos.

Andreessen Horowitz, New Enterprise Associates and Breakthrough Energy Ventures, a firm with Microsoft co-founder Bill Gates as chairman, are also investing. Index Ventures, New Enterprise Associates and Andreessen Horowitz were early investors in Robinhood, according to Bhatt.

Others taking part in the new investment round for Aetherflux include Robinhood Chief ...