SIFIvsBBBLETF Comparison
VS
ETF 2
BBBL
BondBloxx BBB Rated 10+ Year Corporate Bond ETF
This fund is part of
US Corporate IG Bonds
+0.06%
Harbor Scientific Alpha Income ETF (SIFI) belongs to the Intl Aggregate Bonds segment. BondBloxx BBB Rated 10+ Year Corporate Bond ETF (BBBL) is part of the US Corporate IG Bonds segment. SIFI's top 3 sector exposures are Finance, Technology and Energy. In contrast, BBBL's top sector exposures are Telecommunications, Energy and Finance. SIFI is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.19% for BBBL. SIFI is up 1.68% year-to-date (YTD) with +$1M in YTD flows. BBBL performs worse with -2.15% YTD performance, and +$2M in YTD flows. Run a side-by-side ETF comparison of SIFI and BBBL 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 BBBL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIFI BBBL | +0.22%+0.04% | +0.61%-2.95% | +1.68%-2.15% | +4.10%+0.35% | +23.00%n/a | n/an/a |
| Flows | SIFI BBBL | -- | +$1M+$2M | +$1M+$2M | -$11K+$2M | +$1M- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIFI BBBL | +2.62%+7.64% | +2.76%+7.48% | +3.53%n/a | n/an/a |
| Max drawdown | SIFI BBBL | -0.80%-5.02% | -2.68%-5.53% | -3.45%n/a | n/an/a |
| Max drawdown duration | SIFI BBBL | 28d66d | 103d311d | 87dn/a | n/an/a |
Trading data
SIFI | BBBL | |
Last sale 9/3/2026 at 1:30 PM | $43.19 | $45.65 |
| Previous close 09/03/2026 | $43.09 | $45.62 |
| Consolidated volume 09/03/2026 | ||
| 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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SIFI
is actively managed and doesn’t replicate an indexSIFI | BBBL | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
SIFI | BBBL | |
|---|---|---|
| Last price | $43.19 | $45.65 |
| 1D performance | +0.23% | +0.06% |
| AuM | $33.40 M | $6.86 M |
| E/R | 0.5% | 0.19% |
Characteristics
SIFI | BBBL | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Harbor Capital | Bondbloxx Investment Management LLC |
| Benchmark | - | Bloomberg US Corporate BBB 10+ Year Index |
| N° of holdings | 157 | 880 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 16, 2021 | January 25, 2024 |
| ESG | No | No |
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Exposure
Countries
SIFI
USA
67.42%
Other
32.58%
BBBL
USA
85.49%
Other
14.51%
Sectors
SIFI
Finance
13.96%
Technology
13.08%
Energy
9.85%
Industrials
8.48%
Other
54.63%
BBBL
Telecommunication.
18.26%
Energy
13.33%
Finance
12.4%
Technology
9.72%
Consumer Non-Cycl.
9.5%
Utilities
8.64%
Other
28.15%
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Diversification
SIFI
Total weight of top 15 holdings out of 15
13.84%
BBBL
Total weight of top 15 holdings out of 15
7.65%
Top 15 holdings
Data as of July 31, 2026
SIFI
Novelis Corp, 4.75% 30jan2030, USD
1.15%
The Home Depot, 3.25% 15apr2032, USD
1.10%
Park-Ohio Industries, 8.5% 1aug2030, USD
0.94%
Nordson, 5.8% 15sep2033, USD
0.92%
Open Text Corporation, 6.9% 1dec2027, USD
0.91%
TTM Technologies, 4% 1mar2029, USD
0.90%
Altria Group, 4.8% 14feb2029, USD
0.89%
Iamgold, 5.75% 15oct2028, USD
0.89%
HCA, 3.125% 15mar2027, USD
0.89%
VM Consolidated, 5.5% 15apr2029, USD
0.89%
Ford Motor Credit Co, 5.113% 3may2029, USD
0.88%
WSP Global, 5.039% 18sep2031, USD
0.88%
PROG Holdings, 6% 15nov2029, USD
0.87%
DuPont de Nemours, 4.8% 15may2033, USD
0.87%
IBM, 3.5% 15may2029, USD
0.86%
BBBL
CVS Health, 5.05% 25mar2048, USD
0.80%
Goldman Sachs, 6.75% 1oct2037, USD
0.69%
Space Exploration Technologies, 5.875% 15jul2036, USD
0.68%
Boeing, 5.805% 1may2050, USD
0.62%
CVS Health, 4.78% 25mar2038, USD
0.53%
AT&T Inc, 3.5% 15sep2053, USD
0.53%
AT&T Inc, 3.55% 15sep2055, USD
0.52%
Oracle, 6.7% 4feb2056, USD
0.51%
Amgen, 5.65% 2mar2053, USD
0.47%
AT&T Inc, 3.65% 15sep2059, USD
0.43%
Boeing, 5.93% 1may2060, USD
0.41%
AT&T Inc, 3.8% 1dec2057, USD
0.40%
CVS Health, 5.125% 20jul2045, USD
0.38%
Amgen, 4.663% 15jun2051, USD
0.35%
Verizon Communications, 3.55% 22mar2051, USD
0.33%
Frequently asked questions about SIFI and BBBL
How have the SIFI and BBBL ETFs performed in 2026?
As of September 3, 2026, SIFI is up 1.68% year-to-date (YTD), while BBBL has lost -2.15%. That puts SIFI better performer ahead so far this year.
Which ETF is attracting more investor money: SIFI or BBBL?
Year-to-date, the SIFI ETF saw +$1M in flows, compared to +$2M for BBBL.
Which ETF is more volatile: SIFI or BBBL?
Over the past year, SIFI had a volatility of 2.76%, while BBBL experienced 7.48%.
Which ETF is bigger: SIFI or BBBL?
As of September 3, 2026, SIFI holds $33.40 M in assets under management (AUM), while BBBL manages $6.86 M.
What sectors do the SIFI and BBBL ETFs invest in?
SIFI leans toward sectors like Finance, Technology and Energy. Meanwhile, BBBL focuses on Telecommunications, Energy and Finance.
What are the top holdings of the SIFI ETF and BBBL ETF?
SIFI top holdings include Novelis Corp, 4.75% 30jan2030, USD, The Home Depot, 3.25% 15apr2032, USD and Park-Ohio Industries, 8.5% 1aug2030, USD. BBBL holds in its top three: CVS Health, 5.05% 25mar2048, USD, Goldman Sachs, 6.75% 1oct2037, USD and Space Exploration Technologies, 5.875% 15jul2036, USD.
Which ETF is more diversified: SIFI or BBBL?
SIFI holds 157 securities with 13.84% of its assets in the top 15. BBBL has 882 securities and a top 15 weight of 7.65%.
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