# Portfolio overlap — VBLIX vs TLT

Comparing **VANGUARD LONG-TERM BOND INDEX FUND** (2026-03-31) and **iShares 20+ Year Treasury Bond ETF** (2026-02-28).

- Shared positions: 45
- VANGUARD LONG-TERM BOND INDEX FUND covered by iShares 20+ Year Treasury Bond ETF: 0.2799002082063958596707166434
- iShares 20+ Year Treasury Bond ETF covered by VANGUARD LONG-TERM BOND INDEX FUND: 0.2799002082063958596707166434

## VANGUARD LONG-TERM BOND INDEX FUND — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.012403 | ✓ |
| US TREASURY N/B | 0.012249 | ✓ |
| US TREASURY N/B | 0.011945 | ✓ |
| US TREASURY N/B | 0.011934 | ✓ |
| US TREASURY N/B | 0.011883 | ✓ |
| US TREASURY N/B | 0.011473 | ✓ |
| US TREASURY N/B | 0.011367 | ✓ |
| US TREASURY N/B | 0.011129 | ✓ |
| US TREASURY N/B | 0.009934 | ✓ |
| US TREASURY N/B | 0.009824 | ✓ |
| US TREASURY N/B | 0.009403 | ✓ |
| US TREASURY N/B | 0.009352 |  |
| US TREASURY N/B | 0.008823 |  |
| US TREASURY N/B | 0.008676 |  |
| US TREASURY N/B | 0.008236 | ✓ |
| US TREASURY N/B | 0.008176 |  |
| US TREASURY N/B | 0.008107 |  |
| US TREASURY N/B | 0.008101 | ✓ |
| US TREASURY N/B | 0.008026 | ✓ |
| US TREASURY N/B | 0.007993 | ✓ |
| US TREASURY N/B | 0.007814 |  |
| US TREASURY N/B | 0.007743 | ✓ |
| US TREASURY N/B | 0.007705 |  |
| US TREASURY N/B | 0.007415 |  |
| US TREASURY N/B | 0.007378 | ✓ |
| US TREASURY N/B | 0.007151 | ✓ |
| US TREASURY N/B | 0.007043 |  |
| US TREASURY N/B | 0.007036 | ✓ |
| US TREASURY N/B | 0.006989 |  |
| US TREASURY N/B | 0.006715 | ✓ |
| US TREASURY N/B | 0.006599 | ✓ |
| US TREASURY N/B | 0.006565 |  |
| US TREASURY N/B | 0.006501 |  |
| US TREASURY N/B | 0.006461 | ✓ |
| US TREASURY N/B | 0.006382 |  |
| US TREASURY N/B | 0.006377 |  |
| US TREASURY N/B | 0.006189 | ✓ |
| US TREASURY N/B | 0.006181 |  |
| US TREASURY N/B | 0.006109 |  |
| US TREASURY N/B | 0.006057 | ✓ |
| US TREASURY N/B | 0.006004 | ✓ |
| US TREASURY N/B | 0.005924 | ✓ |
| US TREASURY N/B | 0.005866 | ✓ |
| US TREASURY N/B | 0.005855 |  |
| US TREASURY N/B | 0.005851 |  |
| US TREASURY N/B | 0.005662 | ✓ |
| US TREASURY N/B | 0.005610 | ✓ |
| US TREASURY N/B | 0.005603 | ✓ |
| US TREASURY N/B | 0.005578 |  |
| US TREASURY N/B | 0.005364 | ✓ |

## iShares 20+ Year Treasury Bond ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.048699 | ✓ |
| US TREASURY N/B | 0.047796 | ✓ |
| US TREASURY N/B | 0.046053 | ✓ |
| US TREASURY N/B | 0.045253 | ✓ |
| US TREASURY N/B | 0.044855 | ✓ |
| US TREASURY N/B | 0.044233 | ✓ |
| US TREASURY N/B | 0.042772 | ✓ |
| US TREASURY N/B | 0.040574 | ✓ |
| US TREASURY N/B | 0.038870 | ✓ |
| US TREASURY N/B | 0.038255 | ✓ |
| US TREASURY N/B | 0.037176 | ✓ |
| US TREASURY N/B | 0.036467 | ✓ |
| US TREASURY N/B | 0.034807 | ✓ |
| US TREASURY N/B | 0.029178 | ✓ |
| US TREASURY N/B | 0.028242 | ✓ |
| US TREASURY N/B | 0.027466 | ✓ |
| US TREASURY N/B | 0.027080 | ✓ |
| US TREASURY N/B | 0.026978 | ✓ |
| US TREASURY N/B | 0.026375 | ✓ |
| US TREASURY N/B | 0.025771 | ✓ |
| US TREASURY N/B | 0.023636 | ✓ |
| US TREASURY N/B | 0.022384 | ✓ |
| US TREASURY N/B | 0.021566 | ✓ |
| US TREASURY N/B | 0.021184 | ✓ |
| US TREASURY N/B | 0.018733 | ✓ |
| US TREASURY N/B | 0.018218 | ✓ |
| US TREASURY N/B | 0.017830 | ✓ |
| US TREASURY N/B | 0.013369 | ✓ |
| US TREASURY N/B | 0.013270 | ✓ |
| US TREASURY N/B | 0.012438 | ✓ |
| BlackRock Cash Funds: Treasury, SL Agency Shares | 0.011564 |  |
| US TREASURY N/B | 0.011033 | ✓ |
| US TREASURY N/B | 0.010631 | ✓ |
| US TREASURY N/B | 0.010410 | ✓ |
| US TREASURY N/B | 0.010164 | ✓ |
| US TREASURY N/B | 0.009500 | ✓ |
| US TREASURY N/B | 0.007622 | ✓ |
| US TREASURY N/B | 0.004207 | ✓ |
| US TREASURY N/B | 0.003967 | ✓ |
| US TREASURY N/B | 0.001089 | ✓ |
| US TREASURY N/B | 0.000083 | ✓ |
| US TREASURY N/B | 0.000081 | ✓ |
| US TREASURY N/B | 0.000072 | ✓ |
| US TREASURY N/B | 0.000022 | ✓ |
| US TREASURY N/B | 0.000019 | ✓ |
| US TREASURY N/B | 0.000005 | ✓ |


## Sources

- N-PORT (fund A) — accession `0000794105-26-000183` (as of 2026-03-31)
  <https://www.sec.gov/Archives/edgar/data/794105/000079410526000183/0000794105-26-000183-index.htm>
- N-PORT (fund B) — accession `0002071691-26-008193` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/1100663/000207169126008193/0002071691-26-008193-index.htm>

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