Main Street Advisors has invested $9m in the plant-based formula provider through a round already backed by Kaiser Permanente Ventures.

Kate Farms, a US-based provider of plant-based medical formulas, has added $9m to a series B round featuring healthcare provider Kaiser Permanente that now totals $60m.

Boutique investment bank Main Street Advisors provided the extension through investment fund MSA Enterprises.

Investment banking firm Goldman Sachs led the $51m first close in November 2020, with participation from Kaiser Permanente subsidiary Kaiser Permanente Ventures and unnamed existing investors.

Founded in 2011, Kate Farms provides a range of plant-based formulas used for tube…