IUSBvsBBAGETF Comparison
VS
iShares Core Total USD Bond Market ETF (IUSB) and JPMorgan BetaBuilders U.S. Aggregate Bond ETF (BBAG) belong to the same industry segment: US Aggregate Bonds. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. IUSB is more expensive with a Total Expense Ratio (TER) of 0.06%, versus 0.03% for BBAG. IUSB is down -1.23% year-to-date (YTD) with +$10.90B in YTD flows. BBAG performs worse with -1.46% YTD performance, and -$76M in YTD flows. Run a side-by-side ETF comparison of IUSB and BBAG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IUSB vs BBAG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IUSB BBAG | -1.14%-1.15% | -2.08%-2.19% | -1.23%-1.46% | -0.61%-1.01% | +13.91%+12.24% | -0.93%-3.37% |
| Flows | IUSB BBAG | +$1.01B+$3M | +$2.74B+$46M | +$10.90B-$76M | +$11.03B-$202M | +$22.36B-$952M | +$32.02B+$176M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IUSB BBAG | +3.63%+3.81% | +3.45%+3.63% | +4.72%+5.06% | +5.53%+5.92% |
| Max drawdown | IUSB BBAG | -2.42%-2.58% | -2.91%-3.26% | -4.33%-4.92% | -17.80%-18.01% |
| Max drawdown duration | IUSB BBAG | 79d79d | 199d199d | 280d284d | 1484d1820d |
Trading data
IUSB | BBAG | |
Last sale 9/17/2026 at 4:40 PM | $44.89 | |
| Previous close 09/16/2026 | $44.71 | |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IUSB | BBAG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Main metrics
Last update 9/17/2026 at 4:40 PM
Live
Closed
IUSB | BBAG | |
|---|---|---|
| Last price | $44.89 | – |
| 1D performance | +0.40% | – |
| AuM | $43.68 B | $1.04 B |
| E/R | 0.06% | 0.03% |
Characteristics
IUSB | BBAG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | J.P. Morgan Asset Management |
| Benchmark | Bloomberg U.S. Universal Index | Bloomberg US Aggregate Bond Index |
| N° of holdings | 16285 | 1137 |
| Asset class | Bonds | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 10, 2014 | December 12, 2018 |
| ESG | No | No |
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Exposure
Countries
IUSB
USA
73.5%
Other
26.5%
BBAG
USA
76.95%
Other
23.05%
Sectors
IUSB
Sovereign
43.13%
Finance
13.46%
Other
43.41%
BBAG
Sovereign
47.54%
Finance
10.44%
Industrials
9.59%
Other
32.43%
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Diversification
IUSB
Total weight of top 15 holdings out of 15
9.25%
BBAG
Total weight of top 15 holdings out of 15
14.4%
Top 15 holdings
Data as of July 31, 2026
IUSB
BlackRock Liquidity TempCash
4.35%
US01F0206874
0.42%
USA, Notes 4.375% 31dec2029, USD (AH-2029)
0.38%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.37%
USA, Notes 4% 15feb2034, USD (B-2034)
0.37%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.35%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.35%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.34%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.34%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.34%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.34%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.33%
USA, Notes 2.75% 15aug2032, USD (E-2032)
0.33%
USA, Notes 4% 15nov2035, USD (F-2035)
0.33%
US01F0426811
0.31%
BBAG
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.59%
USA, Notes 2.75% 15aug2032, USD (E-2032)
1.38%
USA, Notes 3.5% 30apr2028, USD (Y-2028)
1.31%
USA, Notes 3.5% 30apr2030, USD (K-2030)
1.17%
USA, Notes 3.5% 15feb2033, USD (B-2033)
1.13%
USA, Notes 4.875% 31oct2030, USD (R-2030)
0.95%
FN MA4624, 3% 1jun2052, USD (ABS)
0.94%
USA, Notes 3.375% 15may2033, USD (C-2033)
0.92%
USA, Notes 3.625% 30sep2031, USD (Q-2031)
0.91%
USA, Bonds 3.625% 15feb2053, USD
0.77%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.73%
FR SD8193, 2% 1feb2052, USD (ABS)
0.71%
US36179WR263
0.65%
USA, Notes 3.75% 31dec2028, USD (AH-2028)
0.63%
USA, Notes 0.375% 30sep2027, USD (Q-2027)
0.62%
Frequently asked questions about IUSB and BBAG
How have the IUSB and BBAG ETFs performed in 2026?
As of September 16, 2026, IUSB is down -1.23% year-to-date (YTD), while BBAG has lost -1.46%. That puts IUSB better performer ahead so far this year.
Which ETF is attracting more investor money: IUSB or BBAG?
Year-to-date, the IUSB ETF saw +$10.90B in flows, compared to -$76M for BBAG.
Which ETF is more volatile: IUSB or BBAG?
Over the past year, IUSB had a volatility of 3.45%, while BBAG experienced 3.63%.
Which ETF is bigger: IUSB or BBAG?
As of September 16, 2026, IUSB holds $43.68 B in assets under management (AUM), while BBAG manages $1.04 B.
What sectors do the IUSB and BBAG ETFs invest in?
IUSB leans toward sectors like Sovereign and Finance. Meanwhile, BBAG focuses on Sovereign, Finance and Industrials.
What are the top holdings of the IUSB ETF and BBAG ETF?
IUSB top holdings include BlackRock Liquidity TempCash, US01F0206874 and USA, Notes 4.375% 31dec2029, USD (AH-2029). BBAG holds in its top three: USA, Notes 4.25% 15aug2035, USD (E-2035), USA, Notes 2.75% 15aug2032, USD (E-2032) and USA, Notes 3.5% 30apr2028, USD (Y-2028).
Which ETF is more diversified: IUSB or BBAG?
IUSB holds 18026 securities with 9.25% of its assets in the top 15. BBAG has 1651 securities and a top 15 weight of 14.4%.
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