Nest Labs tops the list of Google's largest private company acquisitions. And while Google's M&A pace has slowed recently, the search giant is not shying away from big deals.

Nest Labs is the largest private company acquired by Google in it history.  In fact, outside of once publicly-traded Motorola Mobility, Google’s largest acquisitions have all been for private companies.  Here is how the $3.2 billion purchase of venture-backed Nest stacks up.


Looking at where Google’s 10 biggest private company acquisitions rank by valuation over time shows that five of the top 10 have come since the start of 2011.  Don’t let the company’s overall decline in M&A including doing fewer acqui-hires fool you.