Has there been optimal time of year to raise a seed round? The chart above shows the number of seed rounds by quarter of the year from 2009-2013. At first blush, it would seem that the first quarter of the year is the most attractive period to raise a seed round. But that’s a faulty conclusion. First, there’s no statistical difference between the number of rounds raised in each quarter, according to a t-test on the four years of Crunchbase data I tested.