SIFIvsSPSBETF Comparison
VS
ETF 2
SPSB
State Street SPDR Portfolio Short Term Corporate Bond ETF
This fund is part of
US Corporate IG Bonds
+0.03%
Harbor Scientific Alpha Income ETF (SIFI) belongs to the Intl Aggregate Bonds segment. State Street SPDR Portfolio Short Term Corporate Bond ETF (SPSB) is part of the US Corporate IG Bonds segment. SIFI's top 3 sector exposures are Finance, Energy and Technology. In contrast, SPSB's top sector exposures are Finance, Technology and Utilities. SIFI is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.04% for SPSB. SIFI is up 0.32% year-to-date (YTD) with -$9M in YTD flows. SPSB performs better with 1.44% YTD performance, and +$3.05B in YTD flows. Run a side-by-side ETF comparison of SIFI and SPSB 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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SIFI vs SPSB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIFI SPSB | -0.38%+0.35% | -1.25%+0.15% | +0.32%+1.44% | +1.35%+2.21% | +22.84%+16.45% | +7.16%+14.99% |
| Flows | SIFI SPSB | -+$221M | -$10M+$946M | -$9M+$3.05B | -$10M+$3.38B | -$9M+$3.95B | -$6M+$3.86B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIFI SPSB | +3.07%+1.41% | +2.89%+1.27% | +3.53%+1.51% | +4.00%+1.87% |
| Max drawdown | SIFI SPSB | -2.49%-0.96% | -2.68%-0.96% | -3.45%-0.96% | -15.93%-5.75% |
| Max drawdown duration | SIFI SPSB | 52d52d | 103d52d | 87d52d | 1208d750d |
Trading data
SIFI | SPSB | |
Last sale 10/16/2026 at 1:46 PM | $42.25 | $29.63 |
| Previous close 10/16/2026 | $42.34 | $29.65 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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SIFI
is actively managed and doesn’t replicate an indexSIFI | SPSB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:46 PM
Live
Closed
SIFI | SPSB | |
|---|---|---|
| Last price | $42.25 | $29.63 |
| 1D performance | -0.21% | -0.08% |
| AuM | $23.28 M | $11.28 B |
| E/R | 0.5% | 0.04% |
Characteristics
SIFI | SPSB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Harbor Capital | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. 1-3 Year Corporate Bond Index |
| N° of holdings | 157 | 1598 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 16, 2021 | December 16, 2009 |
| ESG | No | No |
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Exposure
Countries
SIFI
USA
68.21%
Other
31.79%
SPSB
USA
79.19%
Other
20.81%
Sectors
SIFI
Finance
14.35%
Energy
13.62%
Technology
12.16%
Industrials
7.73%
Other
52.13%
SPSB
Finance
49.61%
Technology
7.86%
Utilities
7.25%
Other
35.29%
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Diversification
SIFI
Total weight of top 15 holdings out of 15
13.71%
SPSB
Total weight of top 15 holdings out of 15
5.69%
Top 15 holdings
Data as of August 31, 2026
SIFI
DuPont de Nemours, 4.8% 15may2033, USD
1.21%
Naspers, 3.061% 13jul2031, USD
1.13%
The Home Depot, 3.25% 15apr2032, USD
1.03%
EnQuest, 9.875% 30apr2031, USD
0.89%
Park-Ohio Industries, 8.5% 1aug2030, USD
0.89%
CVR Energy, 7.875% 15feb2034, USD
0.87%
Lindblad Expeditions, 7% 15sep2030, USD
0.87%
Open Text Corporation, 6.9% 1dec2027, USD
0.86%
KeySpan Gas East, 5.994% 6mar2033, USD
0.86%
Nordson, 5.8% 15sep2033, USD
0.86%
Centene, 2.5% 1mar2031, USD
0.85%
Imperial Brands, 5.5% 1feb2030, USD
0.85%
BAE Systems, 5.125% 26mar2029, USD
0.85%
VICI Properties, 3.75% 15feb2027, USD
0.85%
California Resources, 7.25% 15jan2035, USD
0.84%
SPSB
Salesforce, 4.65% 15mar2029, USD
0.64%
Bank of America Corporation, 3.419% 20dec2028, USD
0.48%
Aercap Holdings, 3% 29oct2028, USD
0.44%
NVIDIA, 4.35% 15jun2029, USD
0.40%
Goldman Sachs, 4.223% 1may2029, USD
0.40%
Pfizer, 4.45% 19may2028, USD
0.38%
Morgan Stanley, 4.555% 10apr2030, USD (I)
0.35%
Oracle, 4.55% 4feb2029, USD
0.35%
Amazon.com, 4% 13mar2029, USD
0.33%
Citibank N.A., 4.554% 18jun2029, USD
0.33%
JP Morgan, 4.995% 22jul2030, USD
0.32%
Goldman Sachs, 3.814% 23apr2029, USD
0.32%
Wells Fargo, 4.577% 20may2029, USD (Y)
0.32%
HSBC Holdings plc, 4.899% 3mar2029, USD
0.31%
Morgan Stanley, 5.042% 19jul2030, USD (I)
0.31%
Frequently asked questions about SIFI and SPSB
How have the SIFI and SPSB ETFs performed in 2026?
As of October 16, 2026, SIFI is up 0.32% year-to-date (YTD), while SPSB has returned 1.44%. That puts SPSB better performer ahead so far this year.
Which ETF is attracting more investor money: SIFI or SPSB?
Year-to-date, the SIFI ETF saw -$9M in flows, compared to +$3.05B for SPSB.
Which ETF is more volatile: SIFI or SPSB?
Over the past year, SIFI had a volatility of 2.89%, while SPSB experienced 1.27%.
Which ETF is bigger: SIFI or SPSB?
As of October 16, 2026, SIFI holds $23.28 M in assets under management (AUM), while SPSB manages $11.28 B.
What sectors do the SIFI and SPSB ETFs invest in?
SIFI leans toward sectors like Finance, Energy and Technology. Meanwhile, SPSB focuses on Finance, Technology and Utilities.
What are the top holdings of the SIFI ETF and SPSB ETF?
SIFI top holdings include DuPont de Nemours, 4.8% 15may2033, USD, Naspers, 3.061% 13jul2031, USD and The Home Depot, 3.25% 15apr2032, USD. SPSB holds in its top three: Salesforce, 4.65% 15mar2029, USD, Bank of America Corporation, 3.419% 20dec2028, USD and Aercap Holdings, 3% 29oct2028, USD.
Which ETF is more diversified: SIFI or SPSB?
SIFI holds 157 securities with 13.71% of its assets in the top 15. SPSB has 1627 securities and a top 15 weight of 5.69%.
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