TXXIvsSPMBETF Comparison
ETF 1
TXXI
BondBloxx IR+M Tax-Aware Intermediate Duration ETF
This fund is part of
US Aggregate Bonds
+0.24%
VS
ETF 2
SPMB
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
This fund is part of
MBS & ABS
+0.31%
BondBloxx IR+M Tax-Aware Intermediate Duration ETF (TXXI) belongs to the US Aggregate Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. TXXI's top 3 sector exposures are Municipal, Finance and Sovereign. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. TXXI is more expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.04% for SPMB. TXXI is down -0.01% year-to-date (YTD) with +$19M in YTD flows. SPMB performs worse with -0.34% YTD performance, and +$618M in YTD flows. Run a side-by-side ETF comparison of TXXI 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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TXXI vs SPMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TXXI SPMB | +3.28%+3.07% | -0.67%-0.44% | -0.01%-0.34% | +0.44%+0.34% | n/a+20.05% | n/a+0.78% |
| Flows | TXXI SPMB | +$956K+$29M | +$4M+$143M | +$19M+$618M | +$25M+$804M | -+$2.48B | -+$3.53B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TXXI SPMB | +4.99%+6.02% | +3.08%+4.72% | n/a+5.73% | n/a+6.80% |
| Max drawdown | TXXI SPMB | -5.20%-4.41% | -5.80%-5.57% | n/a-5.57% | n/a-17.04% |
| Max drawdown duration | TXXI SPMB | 78d66d | 116d243d | n/a243d | n/a1436d |
Trading data
TXXI | SPMB | |
Last sale 10/30/2026 at 1:30 PM | $49.29 | $21.70 |
| Previous close 10/29/2026 | $49.13 | $21.61 |
| Consolidated volume 10/29/2026 | ||
| 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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TXXI
is actively managed and doesn’t replicate an indexTXXI | 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 10/30/2026 at 1:30 PM
Live
Closed
TXXI | SPMB | |
|---|---|---|
| Last price | $49.29 | $21.70 |
| 1D performance | +0.31% | +0.42% |
| AuM | $38.40 M | $7.03 B |
| E/R | 0.35% | 0.04% |
Characteristics
TXXI | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Bondbloxx Investment Management LLC | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 74 | 568 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 14, 2025 | January 15, 2009 |
| ESG | No | No |
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Exposure
Countries
TXXI
USA
34.59%
Other
65.41%
SPMB
USA
32.36%
Other
67.64%
Sectors
TXXI
Municipal
28.98%
Other
71.02%
SPMB
Industrials
32.01%
Other
67.99%
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Diversification
TXXI
Total weight of top 15 holdings out of 15
23.29%
SPMB
Total weight of top 15 holdings out of 15
9.74%
Top 15 holdings
Data as of September 30, 2026
TXXI
US530574RF14
1.99%
US594615MN32
1.94%
US421111BS35
1.85%
US259028AL21
1.75%
US59465HZJ84
1.71%
USA, Bills 0% 12nov2026, USD (182D)
1.62%
Denton Independent School District, 5% 15aug2053, USD (2023)
1.58%
US64987KDK16
1.49%
US7178933W90
1.48%
US848627VS16
1.46%
US39081JMQ84
1.30%
Fort Bend Independent School District, FRN 1aug2056, USD (2026B)
1.30%
US46263RVV40
1.28%
New York Metropolitan Transportation Authority, 5% 15nov2050, USD (2020C)
1.26%
New York Transitional Finance Authority, 5.25% 1may2055, USD (2025)
1.26%
SPMB
US01F0526A56
1.42%
US3142J6C840
1.13%
FN MA4547, 2% 1feb2052, USD (ABS)
0.75%
US3142J6DY61
0.74%
US3142J6BK85
0.73%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.58%
US01F0506A92
0.57%
US3132DWMY65
0.53%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.52%
US3618N56H72
0.50%
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)
0.42%
Frequently asked questions about TXXI and SPMB
How have the TXXI and SPMB ETFs performed in 2026?
As of October 30, 2026, TXXI is down -0.01% year-to-date (YTD), while SPMB has lost -0.34%. That puts TXXI better performer ahead so far this year.
Which ETF is attracting more investor money: TXXI or SPMB?
Year-to-date, the TXXI ETF saw +$19M in flows, compared to +$618M for SPMB.
Which ETF is more volatile: TXXI or SPMB?
Over the past year, TXXI had a volatility of 3.08%, while SPMB experienced 4.72%.
Which ETF is bigger: TXXI or SPMB?
As of October 30, 2026, TXXI holds $38.40 M in assets under management (AUM), while SPMB manages $7.03 B.
What sectors do the TXXI and SPMB ETFs invest in?
TXXI leans toward sectors like Municipal. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the TXXI ETF and SPMB ETF?
TXXI top holdings include US530574RF14, US594615MN32 and US421111BS35. SPMB holds in its top three: US01F0526A56, US3142J6C840 and FN MA4547, 2% 1feb2052, USD (ABS).
Which ETF is more diversified: TXXI or SPMB?
TXXI holds 166 securities with 23.29% of its assets in the top 15. SPMB has 2752 securities and a top 15 weight of 9.74%.
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