The Tracxn report on top business models in robotics highlights significant funding trends in various industry applications such as logistics, healthcare, and retail for the year leading up to December 2021. Key insights include that surgical robots received the highest funding of $1.5 billion, while warehouse automation robots followed with $839 million. The United States was the leading geography for investments, accounting for 48% of the total funding, with major contributions from top investors including Tiger Global Management and Fidelity Investments.