| MassMutual Mid Cap Growth Fund | $2.8B |
| MM S&P 500 Index Fund | $2.0B |
| MassMutual Blue Chip Growth Fund | $1.8B |
| MassMutual Select T. Rowe Price Large Cap Blend Fund | $697.3M |
| MassMutual Small Cap Growth Equity Fund | $562.6M |
| MassMutual Diversified Value Fund | $436.6M |
| MassMutual Total Return Bond Fund | $435.2M |
| MassMutual Select T. Rowe Price International Equity Fund | $402.2M |
| MM S&P Mid Cap Index Fund | $380.0M |
| MassMutual Equity Opportunities Fund | $375.9M |
| MM Equity Asset Fund | $291.6M |
| MassMutual Select T. Rowe Price Retirement 2030 Fund | $276.1M |
| MassMutual Select T. Rowe Price Retirement 2040 Fund | $275.0M |
| MassMutual Overseas Fund | $262.3M |
| MassMutual RetireSMART by JPMorgan 2030 Fund | $237.9M |
| MassMutual Select T. Rowe Price Limited Duration Inflation Focused Bond Fund | $235.8M |
| MM Russell 2000 Small Cap Index Fund | $223.0M |
| MassMutual Select T. Rowe Price Retirement 2035 Fund | $215.8M |
| MassMutual Select T. Rowe Price Retirement 2050 Fund | $204.0M |
| MassMutual Select T. Rowe Price Retirement Balanced Fund | $195.2M |
| MassMutual Select T. Rowe Price Bond Asset Fund | $191.6M |
| MassMutual RetireSMART by JPMorgan 2040 Fund | $188.0M |
| MassMutual Select T. Rowe Price Retirement 2045 Fund | $185.6M |
| MassMutual 40/60 Allocation Fund | $184.8M |
| MassMutual 20/80 Allocation Fund | $179.5M |