| Vanguard GNMA Fund | Investor Shares | VFIIX | — |
| Vanguard GNMA Fund | Admiral Shares | VFIJX | — |
| Vanguard Short-Term Treasury Fund | Investor Shares | VFISX | — |
| Vanguard Short-Term Treasury Fund | Admiral Shares | VFIRX | — |
| Vanguard High-Yield Corporate Fund | Investor Shares | VWEHX | — |
| Vanguard High-Yield Corporate Fund | Admiral Shares | VWEAX | — |
| Vanguard Inflation Protected Securities Fund | Investor Shares | VIPSX | — |
| Vanguard Inflation Protected Securities Fund | Admiral Shares | VAIPX | — |
| Vanguard Intermediate-Term Investment-Grade Fund | Investor Shares | VFICX | — |
| Vanguard Intermediate-Term Investment-Grade Fund | Admiral Shares | VFIDX | — |
| Vanguard Intermediate-Term Treasury Fund | Investor Shares | VFITX | — |
| Vanguard Intermediate-Term Treasury Fund | Admiral Shares | VFIUX | — |
| Vanguard Long-Term Investment-Grade Fund | Investor Shares | VWESX | — |
| Vanguard Long-Term Investment-Grade Fund | Admiral Shares | VWETX | — |
| Vanguard Long-Term Treasury Fund | Investor Shares | VUSTX | — |
| Vanguard Long-Term Treasury Fund | Admiral Shares | VUSUX | — |
| Vanguard Short-Term Federal Fund | Investor Shares | VSGBX | — |
| Vanguard Short-Term Federal Fund | Admiral Shares | VSGDX | — |
| Vanguard Short-Term Investment-Grade Fund | Investor Shares | VFSTX | — |
| Vanguard Short-Term Investment-Grade Fund | Admiral Shares | VFSUX | — |