# Portfolio overlap — IBTO vs XTEN

Comparing **iShares iBonds Dec 2033 Term Treasury ETF** (2026-01-31) and **BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF** (2026-01-31).

- Shared positions: 4
- iShares iBonds Dec 2033 Term Treasury ETF covered by BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF: 0.1359017362500630865522180797
- BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF covered by iShares iBonds Dec 2033 Term Treasury ETF: 0.1359017362500630865522180797

## iShares iBonds Dec 2033 Term Treasury ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.282810 | ✓ |
| US TREASURY N/B | 0.257329 | ✓ |
| US TREASURY N/B | 0.231143 | ✓ |
| US TREASURY N/B | 0.228637 | ✓ |
| BlackRock Cash Funds: Treasury, SL Agency Shares | 0.000081 |  |

## BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.041241 |  |
| US TREASURY N/B | 0.040094 |  |
| US TREASURY N/B | 0.039842 |  |
| US TREASURY N/B | 0.039648 |  |
| US TREASURY N/B | 0.039413 |  |
| US TREASURY N/B | 0.038524 |  |
| US TREASURY N/B | 0.038391 |  |
| US TREASURY N/B | 0.037429 | ✓ |
| US TREASURY N/B | 0.037401 | ✓ |
| US TREASURY N/B | 0.030751 | ✓ |
| US TREASURY N/B | 0.030320 | ✓ |
| US TREASURY N/B | 0.027772 |  |
| US TREASURY N/B | 0.026831 |  |
| US TREASURY N/B | 0.025421 |  |
| US TREASURY N/B | 0.023097 |  |
| US TREASURY N/B | 0.022189 |  |
| US TREASURY N/B | 0.021517 |  |
| US TREASURY N/B | 0.019099 |  |
| US TREASURY N/B | 0.018496 |  |
| US TREASURY N/B | 0.018467 |  |
| US TREASURY N/B | 0.017461 |  |
| US TREASURY N/B | 0.017221 |  |
| US TREASURY N/B | 0.016696 |  |
| US TREASURY N/B | 0.016310 |  |
| US TREASURY N/B | 0.015919 |  |
| US TREASURY N/B | 0.015319 |  |
| US TREASURY N/B | 0.014485 |  |
| US TREASURY N/B | 0.014178 |  |
| US TREASURY N/B | 0.014045 |  |
| US TREASURY N/B | 0.012259 |  |
| US TREASURY N/B | 0.012243 |  |
| US TREASURY N/B | 0.012073 |  |
| US TREASURY N/B | 0.011463 |  |
| US TREASURY N/B | 0.011377 |  |
| US TREASURY N/B | 0.011277 |  |
| US TREASURY N/B | 0.011004 |  |
| US TREASURY N/B | 0.010214 |  |
| US TREASURY N/B | 0.009979 |  |
| US TREASURY N/B | 0.009443 |  |
| US TREASURY N/B | 0.008833 |  |
| US TREASURY N/B | 0.007566 |  |
| US TREASURY N/B | 0.007231 |  |
| US TREASURY N/B | 0.007095 |  |
| US TREASURY N/B | 0.006433 |  |
| US TREASURY N/B | 0.006256 |  |
| US TREASURY N/B | 0.006078 |  |
| US TREASURY N/B | 0.005868 |  |
| US TREASURY N/B | 0.005733 |  |
| US TREASURY N/B | 0.005681 |  |
| US TREASURY N/B | 0.005678 |  |


## Sources

- N-PORT (fund A) — accession `0002071691-26-007333` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/1100663/000207169126007333/0002071691-26-007333-index.htm>
- N-PORT (fund B) — accession `0001003715-26-001145` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/1879238/000100371526001145/0001003715-26-001145-index.htm>

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