BKMIvsSPMBETF Comparison
VS
ETF 2
SPMB
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
This fund is part of
MBS & ABS
+0.12%
BNY Mellon Municipal Intermediate ETF (BKMI) belongs to the Municipal Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. BKMI's top 2 sector exposures are Municipal and Sovereign. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. BKMI is more expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.04% for SPMB. Run a side-by-side ETF comparison of BKMI 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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BKMI vs SPMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BKMI SPMB | -0.53%+0.01% | -1.68%-0.85% | n/a-0.14% | n/a+2.99% | n/a+15.40% | n/a+0.33% |
| Flows | BKMI SPMB | -$1M+$169M | -$24M+$280M | -+$644M | -+$941M | -+$2.57B | -+$3.68B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BKMI SPMB | +2.21%+4.73% | n/a+4.26% | n/a+5.92% | n/a+6.71% |
| Max drawdown | BKMI SPMB | -2.06%-1.90% | n/a-2.98% | n/a-5.50% | n/a-17.38% |
| Max drawdown duration | BKMI SPMB | 58d65d | n/a185d | n/a75d | n/a1500d |
Trading data
BKMI | SPMB | |
Last sale 9/3/2026 at 1:30 PM | $25.70 | $21.86 |
| Previous close 09/02/2026 | $25.75 | $21.82 |
| 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 August 31, 2026
1-year trailing difference
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BKMI
is actively managed and doesn’t replicate an indexBKMI | 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 9/3/2026 at 1:30 PM
Live
Closed
BKMI | SPMB | |
|---|---|---|
| Last price | $25.70 | $21.86 |
| 1D performance | -0.21% | +0.18% |
| AuM | $1.65 B | $7.10 B |
| E/R | 0.35% | 0.04% |
Characteristics
BKMI | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | BNY Mellon | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 135 | 554 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 9, 2026 | January 15, 2009 |
| ESG | No | No |
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Exposure
Countries
BKMI
USA
34.04%
Other
65.96%
SPMB
USA
32.64%
Other
67.36%
Sectors
BKMI
Municipal
33.88%
Other
66.12%
SPMB
Industrials
32.31%
Other
67.69%
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Diversification
BKMI
Total weight of top 15 holdings out of 15
10.85%
SPMB
Total weight of top 15 holdings out of 15
9.28%
Top 15 holdings
Data as of July 31, 2026
BKMI
US452227VK43
0.96%
New York Liberty Development Corp., 5% 15nov2044, USD
0.93%
US736742ZR10
0.82%
State of Washington, 5% 1jul2038, USD (2023B)
0.76%
Tobacco Settlement Financing Corp. (NJ), 5% 1jun2033, USD (2018A)
0.74%
US56682HDR75
0.71%
US59333APJ42
0.68%
New York Dormitory Authority, 5% 1oct2035, USD (2026A)
0.67%
Connecticut Health and Educational Facilities Authority, 5% 1jul2064, USD (2025B-2)
0.66%
US59261A4U82
0.66%
US87638TJU88
0.65%
US88283KCB26
0.65%
US882725DB74
0.65%
US74445HAL42
0.65%
US56035DHT28
0.65%
SPMB
US3142J6C840
1.16%
US01F0526800
0.86%
FN MA4547, 2% 1feb2052, USD (ABS)
0.78%
US3142J6BK85
0.76%
US01F0506844
0.70%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.60%
US3132DWMY65
0.55%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.54%
FN MA4701, 4.5% 1aug2052, USD (ABS)
0.51%
US01F0606834
0.50%
US21H0506806
0.49%
FN FA0608, 5.5% 1feb2055, USD (ABS)
0.49%
FN MA4465, 2% 1nov2051, USD (ABS)
0.47%
FN FS2040, 2% 1feb2052, USD (ABS)
0.44%
US3132DWKV45
0.43%
Frequently asked questions about BKMI and SPMB
Which ETF is bigger: BKMI or SPMB?
As of September 2, 2026, BKMI holds $1.65 B in assets under management (AUM), while SPMB manages $7.10 B.
What sectors do the BKMI and SPMB ETFs invest in?
BKMI leans toward sectors like Municipal. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the BKMI ETF and SPMB ETF?
BKMI top holdings include US452227VK43, New York Liberty Development Corp., 5% 15nov2044, USD and US736742ZR10. SPMB holds in its top three: US3142J6C840, US01F0526800 and FN MA4547, 2% 1feb2052, USD (ABS).
Which ETF is more diversified: BKMI or SPMB?
BKMI holds 531 securities with 10.85% of its assets in the top 15. SPMB has 2713 securities and a top 15 weight of 9.28%.
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