Menlo Park, California -- Venture capital database VentureDeal tracks Nanotechnology companies that receive venture investment.
Below is a chart showing investment amounts by state from January 1, 2015 to October 27, 2015:
Companies based in the state of Massachusetts received the most funding during the period, just short of $41 million.
Pulling in a distant second were California-based companies, receiving less than half of that, $20 million.
Woburn, Massachusetts-based Nantero was the standout financing event, receiving $31.5 million of the state's $41 million total.
Notably, Canada-based companies came in third place with $13.4 million in investment.
Rounding out the top five was tiny Rhode Island which accounted for $10 million and Illinois for $3.5 million.
Arizona and Oregon each had one transaction for an undisclosed amount, represented on the chart as a zero amount.
Only 13 US states were represented in financing activity, a sharply lower result than the typical 20 to 30 state range for many other industries.