ETF overview
GBF excludes securitized debt from a broad-market allocation to investment-grade USD-denominated debt. The reweighting of the remainder of the US bond market pumps up GBFs exposure to Treasurys and corporate debt, which together make up over 80% of GBFs assets. The fund delivers near-perfect exposure to the broader market in terms of portfolio weighting, yield, credit rating, and duration. GBF excludes certain special issues such as targeted investor notes, state and local government series bonds and coupon issues that have been stripped from bonds. The underlying index is reconstituted monthly. GBF uses a representative sampling index strategy which purchases a subset of securities that matches the return and risk characteristics of the Underlying Index.
Fund facts
- Expense ratio
- 0.03%
- Fund assets
- 130.13M USD (all share classes)
- Issuer
- iShares
- Inception date
- Jan 5, 2007
- Number of holdings
- 2,208
Breakdown
Holdings (2,208)
| Name | Ticker | Weight |
|---|---|---|
| FHLMC 30YR UMBS SUPER 2.00% 03/01/2052 | 1.49% | |
| FNMA 30YR UMBS SUPER 2.50% 01/01/2054 | 1.47% | |
| FHLMC 30YR UMBS SUPER 3.00% 04/01/2047 | 1.38% | |
| FNMA 30YR UMBS 2.00% 04/01/2051 | 1.28% | |
| FHLMC 15YR UMBS SUPER 2.00% 02/01/2037 | 1.16% | |
| FNMA 30YR UMBS SUPER 6.00% 01/01/2056 | 1.06% | |
| FREMF_K-548 A2 4.32% 09/25/2030 | 1.04% | |
| FHLMC 30YR UMBS SUPER 5.50% 11/01/2054 | 1.02% | |
| FHLMC 30YR UMBS 6.00% 09/01/2056 | 0.94% | |
| FHLMC 30YR UMBS 5.50% 11/01/2055 | 0.94% | |
| and 2,195 more | ||
Similar ETFs
- iShares Intermediate Government/Credit Bond ETFGVI · Overlap 52% · Expense ratio 0.20%
- State Street SPDR Portfolio Treasury ETFSPTB · Overlap 44% · Expense ratio 0.03%
- iShares Core U.S. Aggregate Bond ETFAGG · Overlap 39% · Expense ratio 0.03%
- iShares ESG Aware U.S. Aggregate Bond ETFEAGG · Overlap 37% · Expense ratio 0.10%
- State Street SPDR Portfolio Aggregate Bond ETFSPAB · Overlap 36% · Expense ratio 0.03%
- iShares Core Universal USD Bond ETFIUSB · Overlap 36% · Expense ratio 0.06%
- iShares Core 1-5 Year USD Bond ETFISTB · Overlap 35% · Expense ratio 0.06%
- Invesco US Treasury Bond UCITS ETF (Dist)TRES.L · Overlap 44% · Expense ratio 0.06%
Overlap is the share of assets the two funds hold in common.
Historical returns do not guarantee future returns. This is not investment advice.

iShares 1-10 Year U.S. Aggregate Bond ETF (AGGM)
- Expense ratio
- 0.03%
- Fund assets
- 130.13M USD (all share classes)
- Issuer
- iShares
- Inception date
- Jan 5, 2007
- Number of holdings
- 2,208
| Name | Ticker | Weight |
|---|---|---|
| FHLMC 30YR UMBS SUPER 2.00% 03/01/2052 | 1.49% | |
| FNMA 30YR UMBS SUPER 2.50% 01/01/2054 | 1.47% | |
| FHLMC 30YR UMBS SUPER 3.00% 04/01/2047 | 1.38% | |
| FNMA 30YR UMBS 2.00% 04/01/2051 | 1.28% | |
| FHLMC 15YR UMBS SUPER 2.00% 02/01/2037 | 1.16% | |
| FNMA 30YR UMBS SUPER 6.00% 01/01/2056 | 1.06% | |
| FREMF_K-548 A2 4.32% 09/25/2030 | 1.04% | |
| FHLMC 30YR UMBS SUPER 5.50% 11/01/2054 | 1.02% | |
| FHLMC 30YR UMBS 6.00% 09/01/2056 | 0.94% | |
| FHLMC 30YR UMBS 5.50% 11/01/2055 | 0.94% | |
| and 2,195 more | ||
GBF excludes securitized debt from a broad-market allocation to investment-grade USD-denominated debt. The reweighting of the remainder of the US bond market pumps up GBFs exposure to Treasurys and corporate debt, which together make up over 80% of GBFs assets. The fund delivers near-perfect exposure to the broader market in terms of portfolio weighting, yield, credit rating, and duration. GBF excludes certain special issues such as targeted investor notes, state and local government series bonds and coupon issues that have been stripped from bonds. The underlying index is reconstituted monthly. GBF uses a representative sampling index strategy which purchases a subset of securities that matches the return and risk characteristics of the Underlying Index.
- iShares Intermediate Government/Credit Bond ETFGVI · Overlap 52% · Expense ratio 0.20%
- State Street SPDR Portfolio Treasury ETFSPTB · Overlap 44% · Expense ratio 0.03%
- iShares Core U.S. Aggregate Bond ETFAGG · Overlap 39% · Expense ratio 0.03%
- iShares ESG Aware U.S. Aggregate Bond ETFEAGG · Overlap 37% · Expense ratio 0.10%
- State Street SPDR Portfolio Aggregate Bond ETFSPAB · Overlap 36% · Expense ratio 0.03%
- iShares Core Universal USD Bond ETFIUSB · Overlap 36% · Expense ratio 0.06%
- iShares Core 1-5 Year USD Bond ETFISTB · Overlap 35% · Expense ratio 0.06%
- Invesco US Treasury Bond UCITS ETF (Dist)TRES.L · Overlap 44% · Expense ratio 0.06%
Overlap is the share of assets the two funds hold in common.
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