| Family | Retail Net Assets | # of Distinct Funds | |
| 1 | Fidelity Investments | $984,173,589,258 | 315 | 
| 2 | Vanguard Group | $962,331,327,507 | 148 | 
| 3 | American Funds | $956,584,547,987 | 42 | 
| 4 | Franklin Templeton Investments | $377,385,331,414 | 122 | 
| 5 | T. Rowe Price & Co. | $345,725,591,811 | 110 | 
| 6 | Columbia Management | $167,493,529,444 | 140 | 
| 7 | Dodge & Cox | $126,826,526,974 | 5 | 
| 8 | OppenheimerFunds | $125,473,946,434 | 72 | 
| 9 | John Hancock Funds | $119,789,419,458 | 225 | 
| 10 | Pacific Investment Management Co. | $118,411,876,036 | 73 | 
| 11 | Invesco Ltd. | $95,323,126,745 | 92 | 
| 12 | BlackRock Inc. | $90,785,119,662 | 116 | 
| 13 | Janus Capital Group | $84,717,855,431 | 48 | 
| 14 | American Century Investments | $71,948,919,961 | 86 | 
| 15 | MFS Investment Management | $71,059,542,832 | 74 | 
| 16 | Lord Abbett & Co. | $66,647,971,069 | 42 | 
| 17 | ING Retirement | $58,294,891,374 | 150 | 
| 18 | Wells Fargo Advantage Funds | $48,938,991,118 | 101 | 
| 19 | Putnam Investments | $48,697,487,901 | 79 | 
| 20 | AllianceBernstein Inc. | $48,012,344,847 |