Here is a good analysis by CB Insights of Union Square Ventures. CB Insights calls this analysis an "Investor Teardown," which comprises of analyzing data around their financing strategy, investment thesis, key people, exit history, investment syndicates and more.
"Twitter, Tumblr, and Zynga all count NY-based Union Square Ventures as an early investor. The NY-based firm has recorded some of venture’s biggest wins in recent years. Given its fund size, it is probably the best pound-for-pound venture capital fund out there having shown a prescient ability (much like larger peer Sequoia Capital) of getting into big exits early."
Click here to read the full article: