General Catalyst tops the list, followed by First Round Capital and the Floodgate Fund as top firms by follow-on rates for seeded Silicon Valley tech investments.

Spurred by both a growing number of micro-VC funds and continued investment by the largest multi-stage VC firms, nearly 1 in every 3 Silicon Valley venture capital tech deals in the first three quarters of 2013 occurred at the seed stage. Back in 2009, seed activity in the region made up just 7% of all tech deals. So given the sizable jump, we wanted to take a look at who the most prolific Silicon Valley seed investors are and how successful they are at getting their tech portfolio companies follow-on financing and past the Series A Crunch.

Below is a list of the most active seed investors in Silicon Valley tech from the start of 2009 through to May 2012 based on unique company investments. During the period, there were 24 VC investors that seeded 10 or more unique Silicon Valley-based tech startups led by 500 Startups and followed by SV Angel and Andreessen Horowitz. Because we are analyzing follow-on rate of these investors, this only includes seed deals done until May 2012 as this gives them enough time to ‘mature’. On average, seed-backed companies raise money in 13 months per our earlier Seed Investing Report. (Note: Seed accelerator programs including Y Combinator and Rock Health were not included in the tables. Only 500 Startups non-accelerator/VC rounds were included in the rankings.)

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Of the 24 most active seed investors in the period, General Catalyst Partners tops the list of investors in terms of its seed investments having the highest rate of receiving follow-on investment. The top 3 was rounded out by First Round Capital and Mike Maples Jr.’s Floodgate Fund. While its important to note that several of the investors seeded just 10 companies, others including 500 Startups and SV Angel seeded as many as 8x as many tech startups. The top 10 SV tech seed investors by follow-on investment rate is below, highlighting a mix of stage-agnostic VCs and smaller, seed-focused firms.

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