Here's a list of the fastest growing asset managers, based on percent change in AUM among firms with assets between $1 billion and $10 billion for the 12-month period ending April 2007. Topping the list is Kinetics Asset Management, which is perhaps better known for its institutional research. But the firm's Kinetics Funds have been reporting sizzling returns in recent years with Kinetics Paradigm Fund boasting a five-year annualized return of 24.09 percent (No. 1 in the large-growth category) and Kinetics Small-Cap Opportunities Fund putting up a 21 percent gain (No. 6 in its category) over the last five years. The firm also has the highest sales-to-asset ratio of any mutual fund family over the last year at 121.6 percent.

FASTEST GROWING ASSET MANAGERS
Complex Name Apr-06 Assets $MM Apr-07 Assets $MM % change Net Flows Assets $MM Sales/Asset Ratio
Kinetics Asset Mgmt. $1,357 $3,893 186.9% $1,650 121.6%
Keeley Asset Mgmt. 2,167 4,714 117.5 2,107 97.2
Henderson Global Funds 2,077 4,314 107.7 1,662 80.0
Fairholme Funds 2,421 4,896 102.3 1,970 81.4
Diamond Hill Capital 1,488 2,786 87.2 1,146 77.0
Highland Capital Mgmt. 2,793 4,957 77.5 1,912 68.5
Cohen & Steers 6,570 11,583 76.3 3,116 47.4
Mellon Institutional Funds 3,522 6,108 73.4 1,817 51.6
Metrop. West Asst Mgmt. 3,156 5,411 71.5 1,969 62.4
Alpine Mgmt & Research 2,399 4,071 69.7 1,113 46.4
Source: Financial Research Corp.