News Summary

• RA Capital Planetary Health just closed a $120 million fund, their first for the firm.
• Managing partners Kyle Teamey and Brigid O’Brien have seen their share of ups and downs in the market.
• The pair have developed a rubric that helps them decide where to place their fund’s money.
• The company will write first checks with figures in the hundreds of thousands all the way up to $10 million, with rounds ranging from seed to Series C. It has written checks to Koloma, which is prospecting for geologic hydrogen, and AM Batteries, which has developed a new lithium-ion battery manufacturing process.