IEIvsBAMBETF Comparison
VS
iShares 3-7 Year Treasury Bond ETF (IEI) belongs to the US Government Bonds segment. Brookstone Intermediate Bond ETF (BAMB) is part of the US Aggregate Bonds segment. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. IEI is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 1.01% for BAMB. IEI is down -0.54% year-to-date (YTD) with +$644M in YTD flows. BAMB performs worse with -1.34% YTD performance, and -$7M in YTD flows. Run a side-by-side ETF comparison of IEI and BAMB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
IEI vs BAMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IEI BAMB | +0.09%-0.30% | -0.28%-0.64% | -0.54%-1.34% | +0.81%-0.30% | +11.75%n/a | +0.55%n/a |
| Flows | IEI BAMB | -$24M-$1M | -$572M-$3M | +$644M-$7M | +$1.40B-$6M | +$4.19B- | +$7.98B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IEI BAMB | +3.08%+3.67% | +2.92%+3.60% | +3.89%n/a | +4.77%n/a |
| Max drawdown | IEI BAMB | -1.07%-1.49% | -2.48%-3.33% | -3.67%n/a | -13.53%n/a |
| Max drawdown duration | IEI BAMB | 63d60d | 183d180d | 196dn/a | 1450dn/a |
Trading data
IEI | BAMB | |
Last sale 8/31/2026 at 1:30 PM | $116.17 | $25.54 |
| Previous close 08/31/2026 | $116.19 | $25.57 |
| Consolidated volume 08/31/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 1, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
BAMB
is actively managed and doesn’t replicate an indexIEI | BAMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 8/31/2026 at 1:30 PM
Live
Closed
IEI | BAMB | |
|---|---|---|
| Last price | $116.17 | $25.54 |
| 1D performance | -0.02% | -0.11% |
| AuM | $17.68 B | $56.25 M |
| E/R | 0.15% | 1.01% |
Characteristics
IEI | BAMB | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Brookstone Asset Management |
| Benchmark | ICE U.S. Treasury 3-7 Year Index | - |
| N° of holdings | 84 | 104 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 5, 2007 | September 27, 2023 |
| ESG | No | No |
Advertisement
Exposure
Countries
IEI
USA
100.01%
Other
-0.01%
BAMB
USA
98.73%
Other
1.27%
Sectors
IEI
Sovereign
99.92%
Other
0.08%
BAMB
Sovereign
98.65%
Other
1.35%
Diversification
IEI
Total weight of top 15 holdings out of 15
32%
BAMB
Total weight of top 15 holdings out of 15
36.78%
Top 15 holdings
Data as of July 31, 2026
IEI
USA, Notes 4.375% 30nov2030, USD (S-2030)
2.92%
USA, Notes 4% 28feb2030, USD (H-2030)
2.32%
USA, Notes 4.125% 31aug2030, USD (P-2030)
2.27%
USA, Notes 1.375% 15nov2031, USD (F-2031)
2.27%
USA, Notes 3.375% 15may2033, USD (C-2033)
2.18%
USA, Notes 3.5% 15feb2033, USD (B-2033)
2.14%
USA, Notes 1.25% 15aug2031, USD (E-2031)
2.12%
USA, Notes 2.75% 15aug2032, USD (E-2032)
2.11%
USA, Notes 1.625% 15may2031, USD (C-2031)
2.10%
USA, Notes 2.875% 15may2032, USD (C-2032)
2.10%
USA, Notes 1.875% 15feb2032, USD (B-2032)
2.07%
USA, Notes 4.125% 15nov2032, USD (F-2032)
1.94%
USA, Notes 1.125% 15feb2031, USD (B-2031)
1.94%
USA, Notes 0.625% 15aug2030, USD (E-2030)
1.83%
USA, Notes 3.625% 31aug2029, USD (AC-2029)
1.66%
BAMB
USA, Notes 4.5% 15nov2033, USD (F-2033)
4.34%
USA, Notes 3.875% 15aug2033, USD (E-2033)
3.31%
USA, Notes 3.375% 15may2033, USD (C-2033)
3.18%
USA, Notes 3.5% 15feb2033, USD (B-2033)
2.60%
USA, Notes 4.125% 15feb2036, USD (B-2036)
2.27%
USA, Notes 4.125% 15nov2032, USD (F-2032)
2.21%
USA, Notes 2.875% 15may2032, USD (C-2032)
2.17%
USA, Notes 4.625% 15feb2035, USD (B-2035)
2.13%
USA, Notes 1.875% 15feb2032, USD (B-2032)
2.13%
USA, Notes 4.25% 15aug2035, USD (E-2035)
2.11%
USA, Notes 4% 15feb2034, USD (B-2034)
2.09%
USA, Notes 2.75% 15aug2032, USD (E-2032)
2.08%
USA, Notes 4.25% 15nov2034, USD (F-2034)
2.08%
USA, Notes 4% 15nov2035, USD (F-2035)
2.05%
USA, Notes 4.375% 15may2034, USD (C-2034)
2.02%
Frequently asked questions about IEI and BAMB
How have the IEI and BAMB ETFs performed in 2026?
As of August 31, 2026, IEI is down -0.54% year-to-date (YTD), while BAMB has lost -1.34%. That puts IEI better performer ahead so far this year.
Which ETF is attracting more investor money: IEI or BAMB?
Year-to-date, the IEI ETF saw +$644M in flows, compared to -$7M for BAMB.
Which ETF is more volatile: IEI or BAMB?
Over the past year, IEI had a volatility of 2.92%, while BAMB experienced 3.6%.
Which ETF is bigger: IEI or BAMB?
As of August 31, 2026, IEI holds $17.68 B in assets under management (AUM), while BAMB manages $56.25 M.
What sectors do the IEI and BAMB ETFs invest in?
IEI leans toward sectors like Sovereign. Meanwhile, BAMB focuses on Sovereign.
What are the top holdings of the IEI ETF and BAMB ETF?
IEI top holdings include USA, Notes 4.375% 30nov2030, USD (S-2030), USA, Notes 4% 28feb2030, USD (H-2030) and USA, Notes 4.125% 31aug2030, USD (P-2030). BAMB holds in its top three: USA, Notes 4.5% 15nov2033, USD (F-2033), USA, Notes 3.875% 15aug2033, USD (E-2033) and USA, Notes 3.375% 15may2033, USD (C-2033).
Which ETF is more diversified: IEI or BAMB?
IEI holds 84 securities with 32% of its assets in the top 15. BAMB has 104 securities and a top 15 weight of 36.78%.
Advertisement
Advertisement
