# Portfolio overlap — IBGL vs TLT

Comparing **iShares iBonds Dec 2055 Term Treasury ETF** (2026-01-31) and **iShares 20+ Year Treasury Bond ETF** (2026-02-28).

- Shared positions: 5
- iShares iBonds Dec 2055 Term Treasury ETF covered by iShares 20+ Year Treasury Bond ETF: 0.1256974819145570025157371529
- iShares 20+ Year Treasury Bond ETF covered by iShares iBonds Dec 2055 Term Treasury ETF: 0.1256974819145570025157371529

## iShares iBonds Dec 2055 Term Treasury ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.281667 | ✓ |
| US TREASURY N/B | 0.272915 | ✓ |
| US TREASURY N/B | 0.271564 | ✓ |
| US TREASURY N/B | 0.173714 | ✓ |
| BlackRock Cash Funds: Treasury, SL Agency Shares | 0.000140 | ✓ |

## 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 `0002071691-26-007331` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/1100663/000207169126007331/0002071691-26-007331-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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