# Portfolio overlap — VBTLX vs SWAGX

Comparing **VANGUARD TOTAL BOND MARKET INDEX FUND** (2026-03-31) and **Schwab U.S. Aggregate Bond Index Fund** (2026-02-28).

- Shared positions: 8792
- VANGUARD TOTAL BOND MARKET INDEX FUND covered by Schwab U.S. Aggregate Bond Index Fund: 0.6838670039420918173019474436
- Schwab U.S. Aggregate Bond Index Fund covered by VANGUARD TOTAL BOND MARKET INDEX FUND: 0.6838670039420918173019474434

## VANGUARD TOTAL BOND MARKET INDEX FUND — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| Vanguard Market Liquidity Fund | 0.010685 |  |
| US TREASURY N/B | 0.004799 | ✓ |
| US TREASURY N/B | 0.004211 | ✓ |
| US TREASURY N/B | 0.004208 | ✓ |
| US TREASURY N/B | 0.004193 | ✓ |
| US TREASURY N/B | 0.004153 | ✓ |
| US TREASURY N/B | 0.004130 | ✓ |
| US TREASURY N/B | 0.004051 | ✓ |
| US TREASURY N/B | 0.003950 | ✓ |
| US TREASURY N/B | 0.003933 | ✓ |
| US TREASURY N/B | 0.003650 | ✓ |
| US TREASURY N/B | 0.003636 | ✓ |
| US TREASURY N/B | 0.003633 | ✓ |
| US TREASURY N/B | 0.003529 | ✓ |
| US TREASURY N/B | 0.003528 | ✓ |
| US TREASURY N/B | 0.003509 | ✓ |
| US TREASURY N/B | 0.003423 | ✓ |
| US TREASURY N/B | 0.003304 | ✓ |
| US TREASURY N/B | 0.003245 | ✓ |
| US TREASURY N/B | 0.003239 | ✓ |
| US TREASURY N/B | 0.003235 | ✓ |
| US TREASURY N/B | 0.003207 | ✓ |
| US TREASURY N/B | 0.003188 | ✓ |
| US TREASURY N/B | 0.003167 | ✓ |
| US TREASURY N/B | 0.003117 | ✓ |
| US TREASURY N/B | 0.003086 | ✓ |
| US TREASURY N/B | 0.002885 | ✓ |
| US TREASURY N/B | 0.002751 | ✓ |
| US TREASURY N/B | 0.002746 | ✓ |
| US TREASURY N/B | 0.002725 | ✓ |
| US TREASURY N/B | 0.002602 | ✓ |
| US TREASURY N/B | 0.002428 | ✓ |
| US TREASURY N/B | 0.002421 | ✓ |
| US TREASURY N/B | 0.002415 | ✓ |
| US TREASURY N/B | 0.002412 | ✓ |
| US TREASURY N/B | 0.002401 | ✓ |
| US TREASURY N/B | 0.002394 | ✓ |
| US TREASURY N/B | 0.002392 | ✓ |
| US TREASURY N/B | 0.002360 | ✓ |
| US TREASURY N/B | 0.002358 | ✓ |
| US TREASURY N/B | 0.002330 | ✓ |
| US TREASURY N/B | 0.002312 | ✓ |
| US TREASURY N/B | 0.002295 | ✓ |
| US TREASURY N/B | 0.002286 | ✓ |
| US TREASURY N/B | 0.002284 | ✓ |
| US TREASURY N/B | 0.002276 | ✓ |
| US TREASURY N/B | 0.002272 | ✓ |
| US TREASURY N/B | 0.002256 | ✓ |
| US TREASURY N/B | 0.002244 | ✓ |
| US TREASURY N/B | 0.002240 | ✓ |

## Schwab U.S. Aggregate Bond Index Fund — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| State Street Navigator Securities Lending Portfolio II | 0.020407 |  |
| US TREASURY N/B | 0.003986 | ✓ |
| US TREASURY N/B | 0.003889 | ✓ |
| US TREASURY N/B | 0.003875 | ✓ |
| US TREASURY N/B | 0.003863 | ✓ |
| US TREASURY N/B | 0.003859 | ✓ |
| US TREASURY N/B | 0.003820 | ✓ |
| US TREASURY N/B | 0.003771 | ✓ |
| US TREASURY N/B | 0.003725 | ✓ |
| US TREASURY N/B | 0.003660 | ✓ |
| US TREASURY N/B | 0.003642 | ✓ |
| US TREASURY N/B | 0.003608 | ✓ |
| US TREASURY N/B | 0.003495 | ✓ |
| US TREASURY N/B | 0.003386 | ✓ |
| US TREASURY N/B | 0.003363 | ✓ |
| US TREASURY N/B | 0.003227 | ✓ |
| US TREASURY N/B | 0.003226 | ✓ |
| Uniform Mortgage-Backed Security, TBA | 0.003132 |  |
| Uniform Mortgage-Backed Security, TBA | 0.003121 |  |
| US TREASURY N/B | 0.003044 | ✓ |
| US TREASURY N/B | 0.003022 | ✓ |
| US TREASURY N/B | 0.003014 | ✓ |
| Uniform Mortgage-Backed Security, TBA | 0.002988 |  |
| US TREASURY N/B | 0.002963 | ✓ |
| US TREASURY N/B | 0.002953 | ✓ |
| US TREASURY N/B | 0.002947 | ✓ |
| US TREASURY N/B | 0.002923 | ✓ |
| US TREASURY N/B | 0.002873 | ✓ |
| US TREASURY N/B | 0.002872 | ✓ |
| US TREASURY N/B | 0.002845 | ✓ |
| US TREASURY N/B | 0.002843 | ✓ |
| US TREASURY N/B | 0.002824 | ✓ |
| US TREASURY N/B | 0.002815 | ✓ |
| US TREASURY N/B | 0.002808 | ✓ |
| US TREASURY N/B | 0.002762 | ✓ |
| US TREASURY N/B | 0.002740 | ✓ |
| US TREASURY N/B | 0.002711 | ✓ |
| US TREASURY N/B | 0.002482 | ✓ |
| US TREASURY N/B | 0.002405 |  |
| US TREASURY N/B | 0.002375 | ✓ |
| US TREASURY N/B | 0.002337 | ✓ |
| US TREASURY N/B | 0.002332 |  |
| US TREASURY N/B | 0.002318 | ✓ |
| US TREASURY N/B | 0.002255 | ✓ |
| US TREASURY N/B | 0.002251 | ✓ |
| US TREASURY N/B | 0.002247 | ✓ |
| US TREASURY N/B | 0.002245 | ✓ |
| US TREASURY N/B | 0.002209 | ✓ |
| US TREASURY N/B | 0.002208 | ✓ |
| US TREASURY N/B | 0.002206 | ✓ |


## Sources

- N-PORT (fund A) — accession `0000794105-26-000185` (as of 2026-03-31)
  <https://www.sec.gov/Archives/edgar/data/794105/000079410526000185/0000794105-26-000185-index.htm>
- N-PORT (fund B) — accession `0001410368-26-039972` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/869365/000141036826039972/0001410368-26-039972-index.htm>

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