| Fidelity Series Global ex U.S. Index Fund | $71.8B |
| Fidelity U.S. Bond Index Fund | $69.0B |
| Fidelity Mid Cap Index Fund | $50.0B |
| Fidelity Large Cap Growth Index Fund | $44.1B |
| Fidelity Series Investment Grade Bond Fund | $36.4B |
| Fidelity Series Bond Index Fund | $34.0B |
| Fidelity Small Cap Index Fund | $32.6B |
| Fidelity SAI U.S. Quality Index Fund | $28.8B |
| Fidelity Total International Index Fund | $23.5B |
| Fidelity SAI Total Bond Fund | $22.3B |
| Fidelity SAI U.S. Low Volatility Index Fund | $20.6B |
| Fidelity Series Long-Term Treasury Bond Index Fund | $19.3B |
| Fidelity Global ex U.S. Index Fund | $18.8B |
| Fidelity SAI U.S. Large Cap Index Fund | $15.7B |
| Fidelity SAI Inflation-Protected Bond Index Fund | $15.2B |
| Fidelity Emerging Markets Index Fund | $14.4B |
| Fidelity Large Cap Value Index Fund | $13.3B |
| Fidelity Series 5+ Year Inflation-Protected Bond Index Fund | $13.1B |
| Fidelity SAI Long-Term Treasury Bond Index Fund | $13.0B |
| Fidelity SAI International Value Index Fund | $12.8B |
| Fidelity Investment Grade Bond Fund | $11.8B |
| Fidelity SAI Emerging Markets Value Index Fund | $11.5B |
| Fidelity Series Large Cap Value Index Fund | $11.4B |
| Fidelity Inflation-Protected Bond Index Fund | $11.3B |
| Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund | $9.7B |