SMBSvsFUSIETF Comparison
VS
ETF 2
FUSI
American Century Multisector Floating Income ETF
This fund is part of
US Aggregate Bonds
-0.26%
Schwab Mortgage-Backed Securities ETF (SMBS) belongs to the MBS & ABS segment. American Century Multisector Floating Income ETF (FUSI) is part of the US Aggregate Bonds segment. SMBS's top 3 sector exposures are Industrials, Finance and Government Agencies. In contrast, FUSI's top sector exposures are Industrials and Sovereign. SMBS is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.19% for FUSI. SMBS is up 0.46% year-to-date (YTD) with +$869M in YTD flows. FUSI performs better with 3.15% YTD performance, and +$10M in YTD flows. Run a side-by-side ETF comparison of SMBS and FUSI 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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SMBS vs FUSI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SMBS FUSI | -0.07%+0.44% | -0.35%+1.20% | +0.46%+3.15% | +3.16%+4.88% | n/a+18.27% | n/an/a |
| Flows | SMBS FUSI | +$113M+$10M | +$277M+$10M | +$869M+$10M | +$1.26B-$18M | -+$13M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SMBS FUSI | +4.38%+0.24% | +3.93%+0.30% | n/a+0.42% | n/an/a |
| Max drawdown | SMBS FUSI | -1.75%n/a | -2.67%-0.08% | n/a-0.32% | n/an/a |
| Max drawdown duration | SMBS FUSI | 60dn/a | 180d4d | n/a19d | n/an/a |
Trading data
SMBS | FUSI | |
Last sale 8/28/2026 at 1:30 PM | $25.00 | $50.57 |
| Previous close 08/27/2026 | $25.09 | $50.58 |
| Consolidated volume 08/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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FUSI
is actively managed and doesn’t replicate an indexSMBS | FUSI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/28/2026 at 1:30 PM
Live
Closed
SMBS | FUSI | |
|---|---|---|
| Last price | $25.00 | $50.57 |
| 1D performance | -0.38% | -0.02% |
| AuM | $6.57 B | $32.82 M |
| E/R | 0.03% | 0.19% |
Characteristics
SMBS | FUSI | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Schwab ETFs | American Century Investments |
| Benchmark | Bloomberg U.S. MBS Float Adjusted Index | - |
| N° of holdings | 443 | 17 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 19, 2024 | March 16, 2023 |
| ESG | No | No |
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Exposure
Countries
SMBS
USA
34%
Other
66%
FUSI
USA
33.18%
Other
66.82%
Sectors
SMBS
Industrials
33.45%
Other
66.55%
FUSI
Industrials
23.26%
Sovereign
9.92%
Other
66.82%
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Diversification
SMBS
Total weight of top 15 holdings out of 15
5.64%
FUSI
Total weight of top 15 holdings out of 15
45.28%
Top 15 holdings
Data as of July 31, 2026
SMBS
G2 MB0025, 5% 20nov2054, USD (ABS)
0.67%
FR SD8469, 5.5% 1oct2054, USD (ABS)
0.49%
US31418DYX47
0.40%
US31427R6E50
0.39%
FR SD8193, 2% 1feb2052, USD (ABS)
0.37%
FR SD8106, 2% 1nov2050, USD (ABS)
0.35%
US3618N6HU47
0.35%
US3618N56H72
0.35%
US3618N53X59
0.35%
FR RQ0110, 5% 1apr2056, USD (ABS)
0.34%
FR RQ0102, 5% 1mar2056, USD (ABS)
0.34%
US3132DWDC47
0.33%
FR SD7552, 2.5% 1jan2052, USD (ABS)
0.31%
US3142J6BK85
0.30%
US3132DWAN39
0.30%
FUSI
USA, Notes FRN 31jan2027, USD (AX-2027)
9.92%
LCM 35A, FRN 15oct2034, USD (ABS, BR)
4.41%
Atlas Senior Loan Fund 2021-17A, FRN 20oct2034, USD (ABS, B1)
3.31%
US3136BV2T46
2.98%
US12659VAA89
2.51%
US48251FAJ03
2.25%
US929342AA13
2.23%
BX Commercial Mortgage Trust 2026-CSMO, FRN 17feb2043, USD (ABS, A)
2.21%
Brant Point CLO 2023-1A, FRN 26jul2038, USD (ABS, BR)
2.21%
US559916AG67
2.21%
TPG Real Estate Finance Issuer 2025-FL6, FRN 18sep2042, USD (ABS, A)
2.21%
US55819GBC24
2.21%
US05594VAC63
2.21%
US883932AS42
2.21%
US87168YAS90
2.21%
Frequently asked questions about SMBS and FUSI
How have the SMBS and FUSI ETFs performed in 2026?
As of August 28, 2026, SMBS is up 0.46% year-to-date (YTD), while FUSI has returned 3.15%. That puts FUSI better performer ahead so far this year.
Which ETF is attracting more investor money: SMBS or FUSI?
Year-to-date, the SMBS ETF saw +$869M in flows, compared to +$10M for FUSI.
Which ETF is more volatile: SMBS or FUSI?
Over the past year, SMBS had a volatility of 3.93%, while FUSI experienced 0.3%.
Which ETF is bigger: SMBS or FUSI?
As of August 28, 2026, SMBS holds $6.57 B in assets under management (AUM), while FUSI manages $32.82 M.
What sectors do the SMBS and FUSI ETFs invest in?
SMBS leans toward sectors like Industrials. Meanwhile, FUSI focuses on Industrials and Sovereign.
What are the top holdings of the SMBS ETF and FUSI ETF?
SMBS top holdings include G2 MB0025, 5% 20nov2054, USD (ABS), FR SD8469, 5.5% 1oct2054, USD (ABS) and US31418DYX47. FUSI holds in its top three: USA, Notes FRN 31jan2027, USD (AX-2027), LCM 35A, FRN 15oct2034, USD (ABS, BR) and Atlas Senior Loan Fund 2021-17A, FRN 20oct2034, USD (ABS, B1).
Which ETF is more diversified: SMBS or FUSI?
SMBS holds 1999 securities with 5.64% of its assets in the top 15. FUSI has 61 securities and a top 15 weight of 45.28%.
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