ULSTvsSPBOETF Comparison
VS
ETF 2
SPBO
State Street SPDR Portfolio Corporate Bond ETF
This fund is part of
US Corporate IG Bonds
-0.13%
State Street SPDR Ultra Short Term Bond ETF (ULST) belongs to the Money Market Bonds segment. State Street SPDR Portfolio Corporate Bond ETF (SPBO) is part of the US Corporate IG Bonds segment. ULST's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, SPBO's top sector exposures are Finance, Technology and Utilities. ULST is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.03% for SPBO. ULST is up 2.56% year-to-date (YTD) with -$104M in YTD flows. SPBO performs worse with -1.04% YTD performance, and +$437M in YTD flows. Run a side-by-side ETF comparison of ULST and SPBO 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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ULST vs SPBO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ULST SPBO | +0.40%+2.00% | +0.78%-0.74% | +2.56%-1.04% | +3.20%-0.43% | +14.57%+18.07% | +20.31%+0.14% |
| Flows | ULST SPBO | +$9M-$47M | -$10M+$89M | -$104M+$437M | -$124M+$540M | -$110M+$1.13B | +$50M+$1.86B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ULST SPBO | +0.46%+4.91% | +0.49%+4.32% | +0.62%+5.25% | +0.60%+6.63% |
| Max drawdown | ULST SPBO | -0.12%-3.29% | -0.24%-4.52% | -0.26%-4.67% | -1.10%-21.96% |
| Max drawdown duration | ULST SPBO | 23d70d | 31d247d | 10d280d | 375d1436d |
Trading data
ULST | SPBO | |
Last sale 11/4/2026 at 2:30 PM | $40.21 | $28.00 |
| Previous close 11/03/2026 | $40.18 | $27.84 |
| Consolidated volume 11/03/2026 | ||
| 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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ULST
is actively managed and doesn’t replicate an indexULST | SPBO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/4/2026 at 2:30 PM
Live
Closed
ULST | SPBO | |
|---|---|---|
| Last price | $40.21 | $28.00 |
| 1D performance | +0.07% | +0.57% |
| AuM | $514.30 M | $2.13 B |
| E/R | 0.2% | 0.03% |
Characteristics
ULST | SPBO | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. Corporate Bond Index |
| N° of holdings | 274 | 4163 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 10, 2013 | April 6, 2011 |
| ESG | No | No |
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Exposure
Countries
ULST
USA
75.84%
Other
24.16%
SPBO
USA
80.6%
Other
19.4%
Sectors
ULST
Sovereign
33.65%
Finance
30.64%
Other
35.71%
SPBO
Finance
34.25%
Technology
9.63%
Utilities
9.59%
Healthcare
8.58%
Other
37.94%
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Diversification
ULST
Total weight of top 15 holdings out of 15
48.07%
SPBO
Total weight of top 15 holdings out of 15
2.33%
Top 15 holdings
Data as of September 30, 2026
ULST
USA, Notes 4.125% 28feb2027, USD (AY-2027)
12.77%
USA, Bills 0% 6oct2026, USD (119D)
7.90%
USA, Bills 0% 13oct2026, USD (119D)
5.92%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
3.57%
USA, Notes 4% 30jun2028, USD (AA-2028)
3.38%
Athene Global Funding, 2.95% 12nov2026, USD
2.81%
Toronto-Dominion Bank, 4.568% 17dec2026, USD (C)
1.96%
Athene Global Funding, 4.83% 9may2028, USD (2025-13)
1.56%
Chevron Phillips Chemical, 3.4% 1dec2026, USD
1.31%
Oracle, 2.3% 25mar2028, USD
1.30%
US30192CAA62
1.28%
Morgan Stanley, 5.652% 13apr2028, USD (I)
1.19%
Carnival Corp, 4% 1aug2028, USD
1.15%
Banco Santander, 5.294% 18aug2027, USD (162)
0.99%
National Rural Utilities Cooperative Finance, 5.6% 13nov2026, USD (D)
0.99%
SPBO
Citigroup, 4.91% 24may2033, USD
0.19%
Bank of America Corporation, 3.419% 20dec2028, USD
0.19%
Bank of America Corporation, 7.75% 14may2038, USD
0.19%
JP Morgan, 5.576% 23jul2036, USD
0.18%
British American Tobacco, 7.079% 2aug2043, USD
0.17%
Anheuser-Busch, 4.9% 1feb2046, USD
0.15%
Meta Platforms, 4.6% 15nov2032, USD
0.15%
Bank of America Corporation, 3.97% 5mar2029, USD (M)
0.15%
Amazon.com, 4% 13mar2029, USD
0.14%
JP Morgan, 4.408% 23apr2030, USD
0.14%
Verizon Communications, 2.1% 22mar2028, USD
0.14%
Goldman Sachs, 4.411% 23apr2039, USD
0.14%
CVS Health, 6% 1jun2044, USD
0.14%
T-Mobile USA, 3.875% 15apr2030, USD
0.13%
Goldman Sachs, 3.814% 23apr2029, USD
0.13%
Frequently asked questions about ULST and SPBO
How have the ULST and SPBO ETFs performed in 2026?
As of November 3, 2026, ULST is up 2.56% year-to-date (YTD), while SPBO has lost -1.04%. That puts ULST better performer ahead so far this year.
Which ETF is attracting more investor money: ULST or SPBO?
Year-to-date, the ULST ETF saw -$104M in flows, compared to +$437M for SPBO.
Which ETF is more volatile: ULST or SPBO?
Over the past year, ULST had a volatility of 0.49%, while SPBO experienced 4.32%.
Which ETF is bigger: ULST or SPBO?
As of November 3, 2026, ULST holds $514.30 M in assets under management (AUM), while SPBO manages $2.13 B.
What sectors do the ULST and SPBO ETFs invest in?
ULST leans toward sectors like Sovereign and Finance. Meanwhile, SPBO focuses on Finance, Technology and Utilities.
What are the top holdings of the ULST ETF and SPBO ETF?
ULST top holdings include USA, Notes 4.125% 28feb2027, USD (AY-2027), USA, Bills 0% 6oct2026, USD (119D) and USA, Bills 0% 13oct2026, USD (119D). SPBO holds in its top three: Citigroup, 4.91% 24may2033, USD, Bank of America Corporation, 3.419% 20dec2028, USD and Bank of America Corporation, 7.75% 14may2038, USD.
Which ETF is more diversified: ULST or SPBO?
ULST holds 283 securities with 48.07% of its assets in the top 15. SPBO has 4419 securities and a top 15 weight of 2.33%.
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