Cathexis Ventures is the corporate VC arm of a single-family office that can write unusually large follow-on checks up to eight figures for seed-stage companies, starting with $250k–$1M initial investments but capable of scaling up to $10M within the same round. Despite being a corporate VC, they invest across a very wide range of verticals like SaaS, hardware, logistics, and healthcare rather than focusing on one industry, and they explicitly frame their differentiation as investing mental and emotional energy into founders rather than being purely financial backers.