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SCUBvsSMBSETF Comparison

ETF 1

SCUB

Sterling Capital Ultra Short Bond ETF

This fund is part of

US Aggregate Bonds

+0.41%

Full SCUB fund page

VS

ETF 2

SMBS

Schwab Mortgage-Backed Securities ETF

This fund is part of

MBS & ABS

+0.57%

Full SMBS fund page

Sterling Capital Ultra Short Bond ETF (SCUB) belongs to the US Aggregate Bonds segment. Schwab Mortgage-Backed Securities ETF (SMBS) is part of the MBS & ABS segment. SCUB's top 3 sector exposures are Finance, Industrials and Energy. In contrast, SMBS's top sector exposures are Industrials, Finance and Government Agencies. SCUB is more expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.03% for SMBS. Run a side-by-side ETF comparison of SCUB and SMBS 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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SCUB vs SMBS performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 09/17/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SCUB SMBS	+0.20%-1.00%	+1.05%-1.39%	n/a-0.66%	n/a+0.56%	n/an/a	n/an/a
Flows	SCUB SMBS	-$627K-$9M	-$627K+$142M	-+$815M	-+$1.21B	--	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SCUB SMBS	+0.50%+4.63%	n/a+3.99%	n/an/a	n/an/a
Max drawdown	SCUB SMBS	-0.08%-2.83%	n/a-3.25%	n/an/a	n/an/a
Max drawdown duration	SCUB SMBS	7d80d	n/a200d	n/an/a	n/an/a

Trading data

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	SCUB	SMBS
Last sale 9/18/2026 at 1:30 PM	$24.95	$24.51
Previous close 09/17/2026	$24.95	$24.61
Consolidated volume 09/17/2026
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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SCUB

is actively managed and doesn’t replicate an index

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	SCUB	SMBS
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/18/2026 at 1:30 PM

Live

Closed

	SCUB	SMBS
Last price	$24.95	$24.51
1D performance	+0.00%	-0.41%
AuM	$24.64 M	$6.42 B
E/R	0.3%	0.03%

Characteristics

	SCUB	SMBS
Management strategy	Active	Passive
Provider	Sterling Capital Active ETF	Schwab ETFs
Benchmark	-	Bloomberg U.S. MBS Float Adjusted Index
N° of holdings	43	443
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	March 30, 2026	November 19, 2024
ESG	No	No

More SCUB data on Trackinsight

More SMBS data on Trackinsight

Exposure

Countries

SCUB

USA

34.7%

Other

65.3%

SMBS

USA

34%

Other

66%

Sectors

SCUB

Finance

16.27%

Industrials

10.06%

Other

73.67%

SMBS

Industrials

33.45%

Other

66.55%

Diversification

SCUB

Total weight of top 15 holdings out of 15

23.6%

SMBS

Total weight of top 15 holdings out of 15

5.64%

Top 15 holdings

Data as of July 31, 2026

SCUB

Jefferies Group, 4.85% 15jan2027, USD

1.98%

US37046UH532

1.98%

US70962BHA52

1.98%

Bank 2023-5YR1, 6.26% 15apr2056, USD (ABS, A3)

1.94%

US37790BH469

1.82%

US05609QAA40

1.59%

US61690YBU55

1.52%

Vantage Data Centers Issuer 2020-2A, 1.992% 15sep2045, USD (ABS, A2)

1.52%

US12595EAD76

1.49%

US895974AA11

1.43%

US05685ABA51

1.39%

US06762JAL70

1.29%

US85236KAK88

1.27%

US165183DF83

1.20%

US12551MAL37

1.19%

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%

Frequently asked questions about SCUB and SMBS

Which ETF is bigger: SCUB or SMBS?

As of September 17, 2026, SCUB holds $24.64 M in assets under management (AUM), while SMBS manages $6.42 B.

What sectors do the SCUB and SMBS ETFs invest in?

SCUB leans toward sectors like Finance and Industrials. Meanwhile, SMBS focuses on Industrials.

What are the top holdings of the SCUB ETF and SMBS ETF?

SCUB top holdings include Jefferies Group, 4.85% 15jan2027, USD, US37046UH532 and US70962BHA52. SMBS holds in its top three: G2 MB0025, 5% 20nov2054, USD (ABS), FR SD8469, 5.5% 1oct2054, USD (ABS) and US31418DYX47.

SCUBvsSMBSETF Comparison

Sterling Capital Ultra Short Bond ETF

Schwab Mortgage-Backed Securities ETF

SCUB vs SMBS performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

Which ETF is bigger: SCUB or SMBS?

As of September 17, 2026, SCUB holds $24.64 M in assets under management (AUM), while SMBS manages $6.42 B.

What sectors do the SCUB and SMBS ETFs invest in?

SCUB leans toward sectors like Finance and Industrials. Meanwhile, SMBS focuses on Industrials.

What are the top holdings of the SCUB ETF and SMBS ETF?

SCUB top holdings include Jefferies Group, 4.85% 15jan2027, USD, US37046UH532 and US70962BHA52. SMBS holds in its top three: G2 MB0025, 5% 20nov2054, USD (ABS), FR SD8469, 5.5% 1oct2054, USD (ABS) and US31418DYX47.

Which ETF is more diversified: SCUB or SMBS?

SCUB holds 119 securities with 23.6% of its assets in the top 15. SMBS has 1999 securities and a top 15 weight of 5.64%.

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