TMBvsHYMBETF Comparison
VS
ETF 2
HYMB
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
This fund is part of
Municipal Bonds
-0%
Thornburg Multi Sector Bond ETF (TMB) belongs to the Intl Aggregate Bonds segment. State Street SPDR Nuveen ICE High Yield Municipal Bond ETF (HYMB) is part of the Municipal Bonds segment. TMB's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, HYMB's top sector exposures are Municipal. TMB is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.35% for HYMB. TMB is down -0.2% year-to-date (YTD) with +$198M in YTD flows. HYMB performs worse with -1.74% YTD performance, and +$1.09B in YTD flows. Run a side-by-side ETF comparison of TMB and HYMB 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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TMB vs HYMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TMB HYMB | -0.09%-0.95% | -1.10%-4.52% | -0.20%-1.74% | +0.28%-1.07% | n/a+14.47% | n/a-2.25% |
| Flows | TMB HYMB | +$7M+$349M | +$37M+$920M | +$198M+$1.09B | +$194M+$1.26B | -+$1.99B | -+$2.47B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TMB HYMB | +2.92%+6.33% | +2.60%+3.93% | n/a+4.97% | n/a+5.04% |
| Max drawdown | TMB HYMB | -2.30%-6.76% | -2.53%-7.46% | n/a-7.46% | n/a-20.03% |
| Max drawdown duration | TMB HYMB | 52d92d | 229d103d | n/a103d | n/a1509d |
Trading data
TMB | HYMB | |
Last sale 10/16/2026 at 1:30 PM | $24.82 | $23.61 |
| Previous close 10/15/2026 | $24.81 | $23.66 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 18, 2026
1-year trailing difference
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TMB
is actively managed and doesn’t replicate an indexTMB | HYMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
TMB | HYMB | |
|---|---|---|
| Last price | $24.82 | $23.61 |
| 1D performance | +0.04% | -0.21% |
| AuM | $266.36 M | $3.81 B |
| E/R | 0.55% | 0.35% |
Characteristics
TMB | HYMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Thornburg | State Street Investment Management |
| Benchmark | - | ICE US Select High Yield Crossover Municipal Index |
| N° of holdings | 367 | 803 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 5, 2025 | April 13, 2011 |
| ESG | No | No |
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Exposure
Countries
TMB
USA
49.95%
Other
50.05%
HYMB
USA
52.86%
Other
47.14%
Sectors
TMB
Finance
12.66%
Sovereign
8.69%
Industrials
7.9%
Other
70.75%
HYMB
Municipal
52.86%
Other
47.14%
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Diversification
TMB
Total weight of top 15 holdings out of 15
25.83%
HYMB
Total weight of top 15 holdings out of 15
9.55%
Top 15 holdings
Data as of August 31, 2026
TMB
US91282CRF04
9.33%
USA, Notes 4.25% 30jun2033, USD (M-2033)
3.42%
Thornburg Capital Management Fund
2.90%
USA, Bonds 2.875% 15aug2045, USD
1.66%
USA, Notes 3.75% 31aug2031, USD (P-2031)
1.31%
FR RQ0146, 5.5% 1aug2056, USD (ABS)
1.14%
US3140W5WV28
1.02%
FN MA5497, 5.5% 1oct2054, USD (ABS)
0.92%
US31418D3H34
0.89%
US912803HV84
0.72%
FR SD8178, 2.5% 1nov2051, USD (ABS)
0.64%
US31418F2K27
0.57%
USA, STRIPS 0% 15may2042, USD (10957D)
0.51%
US3140XRWW19
0.40%
US142921AG08
0.38%
HYMB
Puerto Rico Sales Tax Financing Corp., 5% 1jul2058, USD
2.21%
Puerto Rico Sales Tax Financing Corp., 4.784% 1jul2058, USD
1.33%
Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2)
1.23%
Puerto Rico, 4% 1jul2046, USD
0.74%
Puerto Rico, 4% 1jul2041, USD
0.55%
Puerto Rico Sales Tax Financing Corp., 4.75% 1jul2053, USD
0.54%
New York Liberty Development Corp., 5% 15nov2044, USD
0.42%
US592250EW01
0.37%
US09182TGL52
0.33%
Chicago, 6% 1jan2050, USD (2025)
0.32%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.32%
Chicago Board of Education, 6% 1dec2041, USD (2025B)
0.31%
Matching Fund Special Purpose Securitization Corp., 5% 1oct2039, USD (2022A)
0.30%
US167505ZF68
0.30%
US472682ZN67
0.28%
Frequently asked questions about TMB and HYMB
How have the TMB and HYMB ETFs performed in 2026?
As of October 16, 2026, TMB is down -0.2% year-to-date (YTD), while HYMB has lost -1.74%. That puts TMB better performer ahead so far this year.
Which ETF is attracting more investor money: TMB or HYMB?
Year-to-date, the TMB ETF saw +$198M in flows, compared to +$1.09B for HYMB.
Which ETF is more volatile: TMB or HYMB?
Over the past year, TMB had a volatility of 2.6%, while HYMB experienced 3.93%.
Which ETF is bigger: TMB or HYMB?
As of October 16, 2026, TMB holds $266.36 M in assets under management (AUM), while HYMB manages $3.81 B.
What sectors do the TMB and HYMB ETFs invest in?
TMB leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, HYMB focuses on Municipal.
What are the top holdings of the TMB ETF and HYMB ETF?
TMB top holdings include US91282CRF04, USA, Notes 4.25% 30jun2033, USD (M-2033) and Thornburg Capital Management Fund. HYMB holds in its top three: Puerto Rico Sales Tax Financing Corp., 5% 1jul2058, USD, Puerto Rico Sales Tax Financing Corp., 4.784% 1jul2058, USD and Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2).
Which ETF is more diversified: TMB or HYMB?
TMB holds 631 securities with 25.83% of its assets in the top 15. HYMB has 1798 securities and a top 15 weight of 9.55%.
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