---
ticker: "IBGB"
name: "iShares iBonds Dec 2045 Term Treasury ETF"
url: "https://etf.net/etf/IBGB"
grade: "C"
score: 41
graded_at: "2026-10-12"
category: "Defined-Maturity Treasury"
category_rank: "17 of 31"
methodology: "https://etf.net/methodology"
---

# IBGB: iShares iBonds Dec 2045 Term Treasury ETF

Grade **C**, Score 41 of 100. Rank 17 of 31 in Defined-Maturity Treasury.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 65 | 1 of 31 |
| Mission | 20 | 14 of 23 |
| Risk | 31 | 22 of 29 |
| Tradability | 40 | 22 of 31 |
| Holdings | 36 | 23 of 31 |
| Durability | 61 | 12 of 31 |

## Top holdings

The fund holds 9 positions. These are the largest 9, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | Treasury Bond 5.00% 05/15/2045 | 19.12% |
| 2 | — | Treasury Bond 4.88% 08/15/2045 | 18.54% |
| 3 | — | Treasury Bond 4.75% 02/15/2045 | 18.22% |
| 4 | — | Treasury Bond 4.63% 11/15/2045 | 18.14% |
| 5 | — | Treasury Bond 2.50% 02/15/2045 | 10.11% |
| 6 | — | Treasury Bond 2.88% 08/15/2045 | 6.53% |
| 7 | — | Treasury Bond 3.00% 05/15/2045 | 5.10% |
| 8 | — | Treasury Bond 3.00% 11/15/2045 | 4.25% |
| 9 | — | Blk Csh Fnd Treasury Sl Agency | <0.01% |

Source: etf.net, https://etf.net/etf/IBGB. Please cite the page URL.