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MBSDvsAUSMETF Comparison

ETF 1

MBSD

Northern Trust Disciplined Duration MBS ETF

This fund is part of

MBS & ABS

-0.23%

Full MBSD fund page

VS

ETF 2

AUSM

Allspring Ultra Short Municipal ETF

This fund is part of

Municipal Bonds

-0.05%

Full AUSM fund page

Northern Trust Disciplined Duration MBS ETF (MBSD) and Allspring Ultra Short Municipal ETF (AUSM) have similar underlying exposures to countries and sectors. MBSD's top 1 sector exposures are Industrials. In contrast, AUSM's top sector exposures are Municipal. MBSD is more expensive with a Total Expense Ratio (TER) of 0.21%, versus 0.18% for AUSM. MBSD is down -1.28% year-to-date (YTD) with -$2M in YTD flows. AUSM performs better with 1.4% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of MBSD and AUSM 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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MBSD vs AUSM 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 10/19/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MBSD AUSM	-0.56%+0.07%	-1.53%+0.07%	-1.28%+1.40%	-0.78%+2.02%	+15.97%n/a	+1.58%n/a
Flows	MBSD AUSM	-$999K-	-$999K+$1M	-$2M+$3M	+$3M+$3M	+$23M-	-$7M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MBSD AUSM	+3.82%+0.91%	+3.19%+0.58%	+3.93%n/a	+4.68%n/a
Max drawdown	MBSD AUSM	-3.02%-0.89%	-3.74%-0.89%	-3.74%n/a	-13.53%n/a
Max drawdown duration	MBSD AUSM	55d47d	232d47d	232dn/a	1374dn/a

Trading data

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	MBSD	AUSM
Last sale 10/19/2026 at 7:59 PM	$19.96	$24.94
Previous close 10/19/2026	$20.05	$24.94
Consolidated volume 10/19/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 20, 2026

1-year trailing difference

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AUSM

is actively managed and doesn’t replicate an index

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	MBSD	AUSM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/19/2026 at 7:59 PM

Live

Closed

	MBSD	AUSM
Last price	$19.96	$24.94
1D performance	-0.45%	+0.00%
AuM	$85.87 M	$32.89 M
E/R	0.21%	0.18%

Characteristics

	MBSD	AUSM
Management strategy	Passive	Active
Provider	Northern Trust	Allspring
Benchmark	ICE BofA Constrained Duration US Mortgage Backed Securities Index	-
N° of holdings	39	16
Asset class	Fixed Income	-
Trailing 12m distribution yield	Join	Join
Inception date	September 3, 2014	July 8, 2025
ESG	No	No

More MBSD data on Trackinsight

More AUSM data on Trackinsight

Exposure

Countries

MBSD

USA

12.68%

Other

87.32%

AUSM

USA

13.19%

Other

86.81%

Sectors

MBSD

Industrials

12.68%

Other

87.32%

AUSM

Municipal

13.19%

Other

86.81%

Diversification

MBSD

Total weight of top 15 holdings out of 15

22.5%

AUSM

Total weight of top 15 holdings out of 15

24.25%

Top 15 holdings

Data as of August 31, 2026

MBSD

US01F0626972

2.55%

US01F0406938

2.16%

US36180AAK97

1.96%

US3132CYFK10

1.96%

US31427QCF72

1.47%

US3140W6KM30

1.34%

US3140XPUS68

1.33%

FN MA4418, 2% 1sep2036, USD (ABS)

1.29%

US3622AAXB57

1.28%

US3140W5Y247

1.23%

US3140XHKH97

1.21%

US3140W0ZG37

1.19%

G2 MA7937, 3% 20mar2052, USD (ABS)

1.18%

US01F0706907

1.18%

G2 MA6283, 3% 20nov2049, USD (ABS)

1.17%

AUSM

US46640KS620

2.24%

US44244CN944

2.09%

US20775DXK35

1.87%

US09025PFN15

1.55%

US7436006C72

1.52%

Chandler Industrial Development Authority, 4.1% 1dec2037, USD (2007)

1.51%

US67756CGH51

1.50%

US167562SY49

1.50%

US01179R6Z17

1.50%

US56035DDP42

1.49%

US88035UNZ65

1.49%

US95345PAC23

1.49%

US144838AE99

1.49%

US735220AX30

1.49%

US469400DZ58

1.49%

Frequently asked questions about MBSD and AUSM

MBSDvsAUSMETF Comparison

Northern Trust Disciplined Duration MBS ETF

Allspring Ultra Short Municipal ETF

MBSD vs AUSM performance and flow charts

Performance

Cumulative Flows

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Countries

Sectors

Diversification

Top 15 holdings

How have the MBSD and AUSM ETFs performed in 2026?

As of October 19, 2026, MBSD is down -1.28% year-to-date (YTD), while AUSM has returned 1.4%. That puts AUSM better performer ahead so far this year.

Which ETF is attracting more investor money: MBSD or AUSM?

Year-to-date, the MBSD ETF saw -$2M in flows, compared to +$3M for AUSM.

Which ETF is more volatile: MBSD or AUSM?

Over the past year, MBSD had a volatility of 3.19%, while AUSM experienced 0.58%.

Which ETF is bigger: MBSD or AUSM?

As of October 19, 2026, MBSD holds $85.87 M in assets under management (AUM), while AUSM manages $32.89 M.

What sectors do the MBSD and AUSM ETFs invest in?

MBSD leans toward sectors like Industrials. Meanwhile, AUSM focuses on Municipal.

What are the top holdings of the MBSD ETF and AUSM ETF?

MBSD top holdings include US01F0626972, US01F0406938 and US36180AAK97. AUSM holds in its top three: US46640KS620, US44244CN944 and US20775DXK35.

Which ETF is more diversified: MBSD or AUSM?

MBSD holds 467 securities with 22.5% of its assets in the top 15. AUSM has 99 securities and a top 15 weight of 24.25%.

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