JMSIvsSPMBETF Comparison
VS
ETF 2
SPMB
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
This fund is part of
MBS & ABS
+0.15%
JPMorgan Sustainable Municipal Income ETF (JMSI) belongs to the Multiple Trends segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. JMSI's top 2 sector exposures are Municipal and Sovereign. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. JMSI is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.04% for SPMB. JMSI is down -0.8% year-to-date (YTD) with +$62M in YTD flows. SPMB performs worse with -0.92% YTD performance, and +$587M in YTD flows. Run a side-by-side ETF comparison of JMSI and SPMB 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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JMSI vs SPMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | JMSI SPMB | +3.65%+2.24% | -1.04%-1.05% | -0.80%-0.92% | -0.37%-0.83% | +13.69%+19.03% | n/a+0.44% |
| Flows | JMSI SPMB | +$17M+$13M | +$17M+$130M | +$62M+$587M | +$82M+$774M | +$174M+$2.45B | -+$3.59B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | JMSI SPMB | +5.01%+6.03% | +3.20%+4.75% | +3.38%+5.73% | n/a+6.79% |
| Max drawdown | JMSI SPMB | -5.37%-4.41% | -6.30%-5.57% | -6.30%-5.57% | n/a-17.04% |
| Max drawdown duration | JMSI SPMB | 74d62d | 239d239d | 239d239d | n/a1436d |
Trading data
JMSI | SPMB | |
Last sale 10/27/2026 at 1:30 PM | $48.67 | $21.60 |
| Previous close 10/26/2026 | $48.65 | $21.58 |
| Consolidated volume 10/26/2026 | ||
| 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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JMSI
is actively managed and doesn’t replicate an indexJMSI | SPMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
JMSI | SPMB | |
|---|---|---|
| Last price | $48.67 | $21.60 |
| 1D performance | +0.04% | +0.09% |
| AuM | $393.42 M | $6.96 B |
| E/R | 0.5% | 0.04% |
Characteristics
JMSI | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | J.P. Morgan Asset Management | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 92 | 566 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 14, 2023 | January 15, 2009 |
| ESG | Yes | No |
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Exposure
Countries
JMSI
USA
33.98%
Other
66.02%
SPMB
USA
32.14%
Other
67.86%
Sectors
JMSI
Municipal
32.93%
Other
67.07%
SPMB
Industrials
31.8%
Other
68.2%
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Diversification
JMSI
Total weight of top 15 holdings out of 15
15.31%
SPMB
Total weight of top 15 holdings out of 15
9.79%
Top 15 holdings
Data as of August 31, 2026
JMSI
US64972GC444
1.79%
US25484JDJ60
1.26%
US167560YF20
1.18%
US650860AZ26
1.11%
Texas Water Development Board, 4% 15oct2044, USD (2019A)
1.11%
US64972GR970
1.07%
USA, Bills 0% 10sep2026, USD (182D)
1.05%
Peace River/Manasota Regional Water Supply Authority, 5.25% 1oct2045, USD (2025A)
1.03%
US71783DDS18
0.92%
US161045RK79
0.89%
US928103BH24
0.83%
US89602HHW07
0.79%
Black Belt Energy Gas District, 5% 1dec2034, USD (2026)
0.79%
US5920983E56
0.76%
US89602HJB42
0.73%
SPMB
US01F0526982
1.22%
US3142J6C840
1.13%
US01F0506927
0.95%
FN MA4547, 2% 1feb2052, USD (ABS)
0.76%
US3142J6BK85
0.73%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.59%
US01F0606917
0.58%
US21H0526945
0.53%
US3132DWMY65
0.53%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.52%
FN MA4701, 4.5% 1aug2052, USD (ABS)
0.49%
FN FA0608, 5.5% 1feb2055, USD (ABS)
0.47%
FN MA4465, 2% 1nov2051, USD (ABS)
0.45%
FR SD8193, 2% 1feb2052, USD (ABS)
0.43%
FN FS2040, 2% 1feb2052, USD (ABS)
0.43%
Frequently asked questions about JMSI and SPMB
How have the JMSI and SPMB ETFs performed in 2026?
As of October 26, 2026, JMSI is down -0.8% year-to-date (YTD), while SPMB has lost -0.92%. That puts JMSI better performer ahead so far this year.
Which ETF is attracting more investor money: JMSI or SPMB?
Year-to-date, the JMSI ETF saw +$62M in flows, compared to +$587M for SPMB.
Which ETF is more volatile: JMSI or SPMB?
Over the past year, JMSI had a volatility of 3.2%, while SPMB experienced 4.75%.
Which ETF is bigger: JMSI or SPMB?
As of October 26, 2026, JMSI holds $393.42 M in assets under management (AUM), while SPMB manages $6.96 B.
What sectors do the JMSI and SPMB ETFs invest in?
JMSI leans toward sectors like Municipal. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the JMSI ETF and SPMB ETF?
JMSI top holdings include US64972GC444, US25484JDJ60 and US167560YF20. SPMB holds in its top three: US01F0526982, US3142J6C840 and US01F0506927.
Which ETF is more diversified: JMSI or SPMB?
JMSI holds 287 securities with 15.31% of its assets in the top 15. SPMB has 2738 securities and a top 15 weight of 9.79%.
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