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FTSMvsIUSBETF Comparison

ETF 1

FTSM

First Trust Enhanced Short Maturity ETF

This fund is part of

US Aggregate Bonds

+0.03%

Full FTSM fund page

VS

ETF 2

IUSB

iShares Core Total USD Bond Market ETF

This fund is part of

US Aggregate Bonds

+0.03%

Full IUSB fund page

First Trust Enhanced Short Maturity ETF (FTSM) and iShares Core Total USD Bond Market ETF (IUSB) belong to the same industry segment: US Aggregate Bonds. In contrast, IUSB's top sector exposures are Sovereign, Finance and Industrials. FTSM is more expensive with a Total Expense Ratio (TER) of 0.29%, versus 0.06% for IUSB. FTSM is up 2.63% year-to-date (YTD) with +$523M in YTD flows. IUSB performs worse with -1.42% YTD performance, and +$16.70B in YTD flows. Run a side-by-side ETF comparison of FTSM and IUSB 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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FTSM vs IUSB 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 10/15/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	FTSM IUSB	+0.28%-0.19%	+0.73%-1.78%	+2.63%-1.42%	+3.48%-1.37%	+14.20%+16.28%	+19.42%+0.06%
Flows	FTSM IUSB	+$161M+$6.05B	+$239M+$7.66B	+$523M+$16.70B	+$565M+$18.01B	-$706M+$27.91B	+$2.28B+$37.54B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	FTSM IUSB	+0.42%+4.15%	+0.40%+3.66%	+0.49%+4.63%	+0.46%+5.55%
Max drawdown	FTSM IUSB	-0.10%-3.24%	-0.10%-4.33%	-0.34%-4.33%	-0.66%-17.40%
Max drawdown duration	FTSM IUSB	22d52d	26d229d	32d280d	370d1406d

Trading data

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	FTSM	IUSB
Last sale 10/16/2026 at 1:30 PM	$59.67	$44.47
Previous close 10/15/2026	$59.65	$44.47
Consolidated volume 10/15/2026
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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FTSM

is actively managed and doesn’t replicate an index

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	FTSM	IUSB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/16/2026 at 1:30 PM

Live

Closed

	FTSM	IUSB
Last price	$59.67	$44.47
1D performance	+0.03%	+0.00%
AuM	$6.73 B	$49.25 B
E/R	0.29%	0.06%

Characteristics

	FTSM	IUSB
Management strategy	Active	Passive
Provider	First Trust	iShares
Benchmark	-	Bloomberg U.S. Universal Index
N° of holdings	-	16069
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	August 5, 2014	June 10, 2014
ESG	No	No

More FTSM data on Trackinsight

More IUSB data on Trackinsight

Exposure

Countries

FTSM

Data will be available soon

IUSB

USA

72.98%

Other

27.02%

Sectors

FTSM

Data will be available soon

IUSB

Sovereign

42.65%

Finance

13.17%

Other

44.17%

Diversification

FTSM

Data will be available soon

IUSB

Total weight of top 15 holdings out of 15

9.55%

Top 15 holdings

Data as of January 1, 1970

FTSM

Data will be available soon

IUSB

BlackRock Liquidity TempCash

4.49%

USA, Notes 4% 15nov2035, USD (F-2035)

0.49%

US01F0206957

0.41%

USA, Notes 4.375% 31dec2029, USD (AH-2029)

0.37%

USA, Notes 4.375% 15may2036, USD (C-2036)

0.36%

USA, Notes 4.125% 30jun2031, USD (AA-2031)

0.36%

USA, Notes 4% 15feb2034, USD (B-2034)

0.35%

USA, Notes 4.375% 15may2034, USD (C-2034)

0.35%

USA, Notes 4.625% 15feb2035, USD (B-2035)

0.35%

USA, Notes 4.25% 15nov2034, USD (F-2034)

0.35%

USA, Notes 4.25% 15may2035, USD (C-2035)

0.34%

USA, Notes 4.25% 15aug2035, USD (E-2035)

0.34%

USA, Notes 3.875% 15aug2034, USD (E-2034)

0.34%

USA, Notes 4.125% 15feb2036, USD (B-2036)

0.33%

USA, Notes 2.75% 15aug2032, USD (E-2032)

0.32%

Frequently asked questions about FTSM and IUSB

How have the FTSM and IUSB ETFs performed in 2026?

As of October 15, 2026, FTSM is up 2.63% year-to-date (YTD), while IUSB has lost -1.42%. That puts FTSM better performer ahead so far this year.

Which ETF is attracting more investor money: FTSM or IUSB?

Year-to-date, the FTSM ETF saw +$523M in flows, compared to +$16.70B for IUSB.

Which ETF is more volatile: FTSM or IUSB?

Over the past year, FTSM had a volatility of 0.4%, while IUSB experienced 3.66%.

Which ETF is bigger: FTSM or IUSB?

As of October 15, 2026, FTSM holds $6.73 B in assets under management (AUM), while IUSB manages $49.25 B.

The Weekly ETF Market Monitor (September 21-25, 2026)

September 26, 2026

IUSB

FTSMvsIUSBETF Comparison

First Trust Enhanced Short Maturity ETF

iShares Core Total USD Bond Market ETF

FTSM vs IUSB 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

How have the FTSM and IUSB ETFs performed in 2026?

As of October 15, 2026, FTSM is up 2.63% year-to-date (YTD), while IUSB has lost -1.42%. That puts FTSM better performer ahead so far this year.

Which ETF is attracting more investor money: FTSM or IUSB?

Year-to-date, the FTSM ETF saw +$523M in flows, compared to +$16.70B for IUSB.

Which ETF is more volatile: FTSM or IUSB?

Over the past year, FTSM had a volatility of 0.4%, while IUSB experienced 3.66%.

Which ETF is bigger: FTSM or IUSB?

As of October 15, 2026, FTSM holds $6.73 B in assets under management (AUM), while IUSB manages $49.25 B.

The Weekly ETF Market Monitor (September 21-25, 2026)

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