---
ticker: "IBGM"
name: "iShares iBonds Dec 2056 Term Treasury ETF"
url: "https://etf.net/etf/IBGM"
grade: "D"
score: 38
graded_at: "2026-10-12"
category: "Defined-Maturity Treasury"
category_rank: "24 of 31"
methodology: "https://etf.net/methodology"
---

# IBGM: iShares iBonds Dec 2056 Term Treasury ETF

Grade **D**, Score 38 of 100. Rank 24 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 | 22 | 29 of 29 |
| Tradability | 35 | 25 of 31 |
| Holdings | 29 | 30 of 31 |
| Durability | 52 | 14 of 31 |

## Top holdings

The fund holds 4 positions. These are the largest 4, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | Treasury Bond (Old) 5.00% 05/15/2056 | 38.12% |
| 2 | — | Treasury Bond (2OLD) 4.75% 02/15/2056 | 36.13% |
| 3 | — | Treasury Bond (Otr) 5.13% 08/15/2056 | 25.74% |
| 4 | — | Blk Csh Fnd Treasury Sl Agency | <0.01% |

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