For the 100 largest public-employee pension systems in the country, cash and security holdings totaled $3,397.8 billion in the first quarter of 2015, surpassing the all-time high of $3,365.4 billion set in the second quarter of 2014. Compared to the same quarter in 2014, assets for these major public pension systems increased 5.0 percent from $3,237.5 billion. This increase in assets is due to positive earnings, which totaled $78.2 billion in the first quarter of 2015. Earnings increased year-to-year 5.2 percent from $74.4 billion in the first quarter of 2014.