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AMUNvsSHMETF Comparison

ETF 1
AMUN

abrdn Ultra Short Municipal Income Active ETF

This fund is part of
Municipal Bonds
-0.03%
VS
ETF 2
SHM

State Street SPDR Nuveen ICE Short Term Municipal Bond ETF

This fund is part of
Municipal Bonds
-0.03%

abrdn Ultra Short Municipal Income Active ETF (AMUN) and State Street SPDR Nuveen ICE Short Term Municipal Bond ETF (SHM) belong to the same industry segment: Municipal Bonds. AMUN's top 2 sector exposures are Municipal and Non-Corporate. In contrast, SHM's top sector exposures are Municipal. AMUN is more expensive with a Total Expense Ratio (TER) of 0.74%, versus 0.2% for SHM. AMUN is up 1.88% year-to-date (YTD) with +$25M in YTD flows. SHM performs worse with 0.84% YTD performance, and +$23M in YTD flows. Run a side-by-side ETF comparison of AMUN and SHM 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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AMUN vs SHM performance and flow charts

Performance

0.00.10.20.30.4%Aug 3Aug 10Aug 17Aug 24Aug 31

Cumulative Flows

0 M10 M20 M30 M40 M50 MAug 3Aug 10Aug 17Aug 24Aug 31

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

Historic performance and flows
Data as of 09/02/2026
1M3MYTD1Y3Y5Y
Perf.
AMUN
SHM
+0.24%+0.13%
+0.65%+0.03%
+1.88%+0.84%
n/a+1.44%
n/a+8.71%
n/a+4.43%
Flows
AMUN
SHM
+$2M+$48M
+$1M+$76M
+$25M+$23M
-+$115M
--$583M
--$1.22B
Volatility and drawdown
3M1Y3Y5Y
Volatility
AMUN
SHM
+0.34%+1.00%
n/a+0.97%
n/a+1.57%
n/a+1.65%
Max drawdown
AMUN
SHM
-0.03%-0.66%
n/a-1.10%
n/a-2.01%
n/a-6.52%
Max drawdown duration
AMUN
SHM
2d58d
n/a185d
n/a66d
n/a1074d
Trading data

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AMUN
SHM
Last sale
9/2/2026 at 5:24 PM
$26.05
$47.55
Previous close
09/02/2026
$26.04
$47.54
Consolidated volume
09/02/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of September 3, 2026
1-year trailing difference

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AMUN
is actively managed and doesn’t replicate an index

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AMUN
SHM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 9/2/2026 at 5:24 PM
Live
Closed
AMUN
SHM
Last price
$26.05
$47.55
1D performance
+0.06%
+0.02%
AuM$55.04 M$3.50 B
E/R0.74%0.2%
Characteristics
AMUN
SHM
Management strategyActivePassive
ProviderabrdnState Street Investment Management
Benchmark-ICE 1-5 Year AMT-Free Broad Municipal Index
N° of holdings17325
Asset class--
Trailing 12m distribution yield
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Inception dateOctober 17, 2025October 10, 2007
ESGNoNo
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Exposure

Countries

AMUN
USA
33.29%
Other
66.71%
SHM
USA
33.54%
Other
66.46%

Sectors

AMUN
Municipal
33.11%
Other
66.89%
SHM
Municipal
33.54%
Other
66.46%

Diversification

AMUN

Total weight of top 15 holdings out of 15

53.8%
SHM

Total weight of top 15 holdings out of 15

7.09%

Top 15 holdings

Data as of July 31, 2026
AMUN
Massachusetts Port Authority, 5% 1jul2043, USD (2016-B)
4.70%
Tennessee Energy Acquisition Corp., 5.625% 1sep2026, USD
4.14%
US46640KYU23
4.13%
US546598AA16
3.95%
US230589AB90
3.81%
Chandler Industrial Development Authority, 5% 1sep2052, USD (2022-2)
3.79%
Newark, 4.25% 5may2027, USD (2026)
3.77%
US478232SD45
3.77%
US34074EAF60
3.76%
US88035TZV50
3.76%
US7386297S79
3.75%
Mississippi Business Finance Corp., FRN 1nov2032, USD (2007A)
3.08%
US414008CX87
2.77%
PEFA Inc., 5% 1sep2049, USD (2019)
2.35%
US06964KAB26
2.26%
SHM
US84136HCT86
0.93%
California Public Works Board, 5% 1oct2027, USD
0.70%
New York Dormitory Authority, 2.5% 1jul1993, USD
0.62%
US13063ELG97
0.53%
California, 5% 1sep2028, USD
0.50%
US13063EAW66
0.46%
Triborough Bridge and Tunnel Authority, 5% 15nov2028, USD (2023B)
0.41%
US91412HTD51
0.41%
City of New York, 5.7% 1feb2006, USD
0.40%
US343137RQ01
0.37%
New Jersey Transportation Trust Fund Authority, 5% 15dec2027, USD
0.37%
US61334PFH10
0.36%
US574204W906
0.36%
US13013JBJ43
0.34%
Connecticut, 5% 15jul2027, USD
0.33%
Frequently asked questions about AMUN and SHM

How have the AMUN and SHM ETFs performed in 2026?

As of September 2, 2026, AMUN is up 1.88% year-to-date (YTD), while SHM has returned 0.84%. That puts AMUN better performer ahead so far this year.

Which ETF is attracting more investor money: AMUN or SHM?

Year-to-date, the AMUN ETF saw +$25M in flows, compared to +$23M for SHM.

Which ETF is bigger: AMUN or SHM?

As of September 2, 2026, AMUN holds $55.04 M in assets under management (AUM), while SHM manages $3.50 B.

What sectors do the AMUN and SHM ETFs invest in?

AMUN leans toward sectors like Municipal. Meanwhile, SHM focuses on Municipal.

What are the top holdings of the AMUN ETF and SHM ETF?

AMUN top holdings include Massachusetts Port Authority, 5% 1jul2043, USD (2016-B), Tennessee Energy Acquisition Corp., 5.625% 1sep2026, USD and US46640KYU23. SHM holds in its top three: US84136HCT86, California Public Works Board, 5% 1oct2027, USD and New York Dormitory Authority, 2.5% 1jul1993, USD.

Which ETF is more diversified: AMUN or SHM?

AMUN holds 63 securities with 53.8% of its assets in the top 15. SHM has 1058 securities and a top 15 weight of 7.09%.

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