FISRvsIUSBETF Comparison
ETF 1
FISR
State Street SPDR Fixed Income Sector Rotation ETF
This fund is part of
Intl Aggregate Bonds
+0.14%
VS
State Street SPDR Fixed Income Sector Rotation ETF (FISR) belongs to the Intl Aggregate Bonds segment. iShares Core Total USD Bond Market ETF (IUSB) is part of the US Aggregate Bonds segment. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. FISR is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.06% for IUSB. FISR is down -0.66% year-to-date (YTD) with +$302M in YTD flows. IUSB performs better with -0.42% YTD performance, and +$17.15B in YTD flows. Run a side-by-side ETF comparison of FISR and IUSB 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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FISR vs IUSB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FISR IUSB | +2.33%+2.24% | -0.33%-0.27% | -0.66%-0.42% | -0.62%-0.06% | +15.31%+18.34% | -5.48%+1.04% |
| Flows | FISR IUSB | +$32M+$1.54B | +$158M+$7.61B | +$302M+$17.15B | +$322M+$18.52B | +$481M+$28.35B | +$578M+$37.70B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FISR IUSB | +4.62%+4.39% | +4.35%+3.73% | +5.32%+4.59% | +6.58%+5.56% |
| Max drawdown | FISR IUSB | -3.33%-3.24% | -4.84%-4.33% | -5.02%-4.33% | -19.74%-17.40% |
| Max drawdown duration | FISR IUSB | 66d66d | 243d243d | 322d280d | 1816d1406d |
Trading data
FISR | IUSB | |
Last sale 11/2/2026 at 2:30 PM | $24.85 | $44.76 |
| Previous close 10/30/2026 | $24.95 | $44.91 |
| Consolidated volume 10/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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FISR
is actively managed and doesn’t replicate an indexFISR | IUSB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/2/2026 at 2:30 PM
Live
Closed
FISR | IUSB | |
|---|---|---|
| Last price | $24.85 | $44.76 |
| 1D performance | -0.40% | -0.33% |
| AuM | $643.18 M | $50.20 B |
| E/R | 0.5% | 0.06% |
Characteristics
FISR | IUSB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | - | Bloomberg U.S. Universal Index |
| N° of holdings | 1 | 15946 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 2, 2019 | June 10, 2014 |
| ESG | No | No |
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Exposure
Countries
FISR
USA
76.91%
Other
23.09%
IUSB
USA
71.83%
Other
28.17%
Sectors
FISR
Sovereign
47.98%
Finance
10.05%
Other
41.97%
IUSB
Sovereign
41.82%
Finance
12.96%
Other
45.22%
Diversification
FISR
Total weight of top 8 holdings out of 8
99.05%
IUSB
Total weight of top 15 holdings out of 15
10.41%
Top 15 holdings
Data as of September 30, 2026
FISR
US78464A1447
25.77%
US78464A6727
21.01%
US78468R1014
15.85%
US78464A3831
14.85%
US78464A6644
11.57%
US78468R6062
6.49%
US78468R5155
2.46%
US78468R4240
1.05%
IUSB
BlackRock Liquidity TempCash
5.04%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.50%
US01F0206A20
0.50%
USA, Notes 4% 15nov2035, USD (F-2035)
0.43%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.42%
USA, Notes 1.875% 15feb2032, USD (B-2032)
0.39%
USA, Notes 4.125% 31may2031, USD (Z-2031)
0.38%
US01F0526A56
0.37%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.36%
US01F0204A48
0.36%
US91282CRH69
0.34%
USA, Notes 1.25% 30sep2028, USD (Q-2028)
0.34%
USA, Notes 4.875% 31oct2028, USD (AF-2028)
0.33%
USA, Notes 4.375% 31dec2029, USD (AH-2029)
0.33%
USA, Notes 4.625% 30sep2028, USD (AD-2028)
0.33%
Frequently asked questions about FISR and IUSB
How have the FISR and IUSB ETFs performed in 2026?
As of October 30, 2026, FISR is down -0.66% year-to-date (YTD), while IUSB has lost -0.42%. That puts IUSB better performer ahead so far this year.
Which ETF is attracting more investor money: FISR or IUSB?
Year-to-date, the FISR ETF saw +$302M in flows, compared to +$17.15B for IUSB.
Which ETF is more volatile: FISR or IUSB?
Over the past year, FISR had a volatility of 4.35%, while IUSB experienced 3.73%.
Which ETF is bigger: FISR or IUSB?
As of October 30, 2026, FISR holds $643.18 M in assets under management (AUM), while IUSB manages $50.20 B.
What sectors do the FISR and IUSB ETFs invest in?
FISR leans toward sectors like Sovereign and Finance. Meanwhile, IUSB focuses on Sovereign and Finance.
What are the top holdings of the FISR ETF and IUSB ETF?
FISR top holdings include US78464A1447, US78464A6727 and US78468R1014. IUSB holds in its top three: BlackRock Liquidity TempCash, USA, Notes 4.625% 15feb2035, USD (B-2035) and US01F0206A20.
Which ETF is more diversified: FISR or IUSB?
FISR holds 9925 securities with 99.05% of its assets in the top 15. IUSB has 18160 securities and a top 15 weight of 10.41%.
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Latest news about FISR & IUSB
Why IUSB Is Overtaking AGG as the Default Bond ETF for Investors
October 23, 2026
IUSB
The Weekly ETF Market Monitor (September 21-25, 2026)
September 26, 2026
IUSB
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