TMBvsVCOBETF Comparison
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Thornburg Multi Sector Bond ETF (TMB) belongs to the Intl Aggregate Bonds segment. Voya Core Bond ETF (VCOB) is part of the Intl IG Bonds segment. TMB's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, VCOB's top sector exposures are Sovereign, Industrials and Finance. TMB is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.25% for VCOB. TMB is up 0.81% year-to-date (YTD) with +$187M in YTD flows. VCOB performs worse with -1.23% YTD performance, and -$12M in YTD flows. Run a side-by-side ETF comparison of TMB and VCOB 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 VCOB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TMB VCOB | +0.36%+0.44% | +0.02%-0.44% | +0.81%-1.23% | +2.95%n/a | n/an/a | n/an/a |
| Flows | TMB VCOB | +$24M- | +$77M+$3M | +$187M-$12M | +$189M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TMB VCOB | +2.58%+3.70% | +2.47%n/a | n/an/a | n/an/a |
| Max drawdown | TMB VCOB | -0.97%-1.76% | -1.82%n/a | n/an/a | n/an/a |
| Max drawdown duration | TMB VCOB | 63d64d | 183dn/a | n/an/a | n/an/a |
Trading data
TMB | VCOB | |
Last sale 9/1/2026 at 4:36 PM | $25.13 | $48.69 |
| Previous close 08/31/2026 | $25.15 | $48.69 |
| Consolidated volume 08/31/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/1/2026 at 4:36 PM
Live
Closed
TMB | VCOB | |
|---|---|---|
| Last price | $25.13 | $48.69 |
| 1D performance | -0.10% | +0.00% |
| AuM | $259.42 M | $96.39 M |
| E/R | 0.55% | 0.25% |
Characteristics
TMB | VCOB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Thornburg | Voya Investment Management |
| Benchmark | - | - |
| N° of holdings | 369 | 876 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 5, 2025 | November 19, 2025 |
| ESG | No | No |
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Exposure
Countries
TMB
USA
60.67%
Other
39.33%
VCOB
USA
63.3%
Other
36.7%
Sectors
TMB
Sovereign
20.69%
Finance
12.73%
Industrials
8.03%
Other
58.56%
VCOB
Sovereign
18.21%
Industrials
16.06%
Finance
11.87%
Other
53.86%
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Diversification
TMB
Total weight of top 15 holdings out of 15
24.04%
VCOB
Total weight of top 15 holdings out of 15
32.4%
Top 15 holdings
Data as of July 31, 2026
TMB
USA, Notes 4% 15nov2035, USD (F-2035)
9.88%
USA, Notes 4.25% 30jun2033, USD (M-2033)
3.84%
USA, Bonds 3% 15nov2044, USD
1.48%
USA, Notes 3.75% 31aug2031, USD (P-2031)
1.48%
FN MA5497, 5.5% 1oct2054, USD (ABS)
1.04%
US31418D3H34
1.01%
US912803HV84
0.80%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.77%
FR SD8178, 2.5% 1nov2051, USD (ABS)
0.72%
USA, TIPS 0.125% 15feb2051, USD
0.64%
USA, STRIPS 0% 15may2042, USD (10957D)
0.56%
Thornburg Capital Management Fund
0.53%
US3140XRWW19
0.45%
US142921AG08
0.43%
US3136BX3N21
0.42%
VCOB
USA, Notes 4.375% 31jul2031, USD (AB-2031)
4.48%
USA, Bonds 5% 15may2046, USD
3.29%
USA, Notes 4.125% 15jul2029, USD (AQ-2029)
3.26%
USA, Notes 4.125% 30jun2031, USD (AA-2031)
3.18%
US3140XLTG36
1.93%
US3140XR5W18
1.91%
FN MA5759, 5% 1jul2055, USD (ABS)
1.86%
FN MA5877, 4.5% 1nov2055, USD (ABS)
1.81%
FR RQ0056, 5.5% 1oct2055, USD (ABS)
1.80%
G2 MA7471, 2% 20jul2051, USD (ABS)
1.78%
FR RQ0028, 6% 1jul2055, USD (ABS)
1.52%
US01F0406854
1.49%
USA, Notes 4.375% 31jul2033, USD (N-2033)
1.48%
US01F0326821
1.46%
US3140W3EM72
1.17%
Frequently asked questions about TMB and VCOB
How have the TMB and VCOB ETFs performed in 2026?
As of August 31, 2026, TMB is up 0.81% year-to-date (YTD), while VCOB has lost -1.23%. That puts TMB better performer ahead so far this year.
Which ETF is attracting more investor money: TMB or VCOB?
Year-to-date, the TMB ETF saw +$187M in flows, compared to -$12M for VCOB.
Which ETF is bigger: TMB or VCOB?
As of August 31, 2026, TMB holds $259.42 M in assets under management (AUM), while VCOB manages $96.39 M.
What sectors do the TMB and VCOB ETFs invest in?
TMB leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, VCOB focuses on Sovereign, Industrials and Finance.
What are the top holdings of the TMB ETF and VCOB ETF?
TMB top holdings include USA, Notes 4% 15nov2035, USD (F-2035), USA, Notes 4.25% 30jun2033, USD (M-2033) and USA, Bonds 3% 15nov2044, USD. VCOB holds in its top three: USA, Notes 4.375% 31jul2031, USD (AB-2031), USA, Bonds 5% 15may2046, USD and USA, Notes 4.125% 15jul2029, USD (AQ-2029).
Which ETF is more diversified: TMB or VCOB?
TMB holds 604 securities with 24.04% of its assets in the top 15. VCOB has 936 securities and a top 15 weight of 32.4%.
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