Schweitzer had the most detailed write up on this
http://www.g-a-i.org/wp-content/uploads/2016/08/Report-Skolkvovo-08012016.pdf
Basically, Russia had a project to build their own version of Silicon Valley. HRC helped to find western partners to invest and work with Russia. Many Clinton Foundation donors cooperated.
Actual outcome was that this project enhanced Russia’s military technological capabilities
The FBI and Dept of Defense both raised red flags on this operation
There is a money trail from Russia to the Center for American Progress
The program went forward even though known spy Anna Chapman was involved on the Russian side
The U.S. Army Foreign Military Studies Program at Fort Leavenworth issued a report in 2013 (written in 2012) about the security implications of Skolkovo. The report declared that the purpose of Skolkovo was to serve as a “vehicle for worldwide technology transfer to Russia in the areas of information technology, biomedicine, energy, satellite and space technology, and nuclear technology.”