This Bloomberg article[1] claims the 2017 sale to Softbank was just $165 million. Compare that to SaaS valuations. Software is wild.
[1] https://www.bloomberg.com/news/articles/2020-11-17/boston-dy...
[1] https://www.bloomberg.com/news/articles/2020-11-17/boston-dy...
https://en.wikipedia.org/wiki/Boston_Dynamics#Company_histor...