TMSFvsIMTBETF Comparison
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T. Rowe Price Multi-Sector Income ETF (TMSF) belongs to the Intl Aggregate Bonds segment. iShares Core 5-10 Year USD Bond ETF (IMTB) is part of the US Aggregate Bonds segment. TMSF's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, IMTB's top sector exposures are Sovereign, Industrials and Non-Corporate. TMSF is more expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.07% for IMTB. TMSF is up 2.63% year-to-date (YTD) with +$33M in YTD flows. IMTB performs worse with -0.32% YTD performance, and +$4M in YTD flows. Run a side-by-side ETF comparison of TMSF and IMTB 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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TMSF vs IMTB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TMSF IMTB | +0.27%-0.12% | +0.50%-0.84% | +2.63%-0.32% | n/a+2.39% | n/a+16.37% | n/a+1.03% |
| Flows | TMSF IMTB | -- | +$30M- | +$33M+$4M | -+$26M | -+$84M | -+$158M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TMSF IMTB | +1.96%+4.28% | n/a+3.93% | n/a+5.38% | n/a+6.19% |
| Max drawdown | TMSF IMTB | -0.60%-1.75% | n/a-2.88% | n/a-5.03% | n/a-18.13% |
| Max drawdown duration | TMSF IMTB | 29d65d | n/a185d | n/a280d | n/a1452d |
Trading data
TMSF | IMTB | |
Last sale 9/2/2026 at 1:30 PM | $49.91 | $42.64 |
| Previous close 09/02/2026 | $49.88 | $42.60 |
| 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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TMSF
is actively managed and doesn’t replicate an indexTMSF | IMTB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
TMSF | IMTB | |
|---|---|---|
| Last price | $49.91 | $42.64 |
| 1D performance | +0.07% | +0.10% |
| AuM | $58.55 M | $273.01 M |
| E/R | 0.37% | 0.07% |
Characteristics
TMSF | IMTB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | T. Rowe Price | iShares |
| Benchmark | - | Bloomberg U.S. Universal 5-10 Years Index |
| N° of holdings | 223 | 2875 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 19, 2025 | November 1, 2016 |
| ESG | No | No |
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Exposure
Countries
TMSF
USA
57.54%
Other
42.46%
IMTB
USA
63.31%
Other
36.69%
Sectors
TMSF
Sovereign
21.68%
Finance
16.5%
Other
61.81%
IMTB
Sovereign
24.95%
Industrials
13.03%
Non-Corporate
10.19%
Finance
10.09%
Other
41.75%
Diversification
TMSF
Total weight of top 15 holdings out of 15
21.01%
IMTB
Total weight of top 15 holdings out of 15
23.24%
Top 15 holdings
Data as of July 31, 2026
TMSF
USA, Notes 4% 31may2028, USD (BC-2028)
5.14%
USA, TIPS 1.875% 15jan2036, USD (A-2036)
4.14%
US87283Q8832
2.11%
USA, TIPS 1.125% 15oct2030, USD (AE-2030)
1.47%
Mexico, Bonos 8.5% 28feb2030, MXN
1.34%
Colombia, 5.375% 21jan2029, USD
1.03%
USA, Bonds 5% 15may2046, USD
0.72%
Brazil, 6.625% 15mar2035, USD
0.71%
USA, Bonds 5% 15may2056, USD
0.68%
Ecuador, 8.75% 29jan2034, USD
0.68%
Paraguay, 2.739% 29jan2033, USD
0.64%
Carvana, 14% 1jun2031, USD
0.63%
Afreximbank, 6.25% 23jan2032, USD
0.62%
JP Morgan, 0.5% 15jun2027, USD (A, Conv.)
0.56%
Civitas Resources, 9.625% 15jun2033, USD
0.54%
IMTB
BlackRock Cash Funds - Institutional
10.15%
USA, Notes 4.375% 15may2034, USD (C-2034)
1.19%
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.16%
USA, Notes 4% 15nov2035, USD (F-2035)
1.11%
USA, Notes 4.625% 15feb2035, USD (B-2035)
1.03%
US01F0206874
0.93%
USA, Notes 2.875% 15may2032, USD (C-2032)
0.92%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.91%
USA, Notes 4% 15feb2034, USD (B-2034)
0.86%
USA, Notes 1.25% 15aug2031, USD (E-2031)
0.85%
US31418EDB39
0.85%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.82%
US3140XLFE34
0.82%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.82%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.82%
Frequently asked questions about TMSF and IMTB
How have the TMSF and IMTB ETFs performed in 2026?
As of September 1, 2026, TMSF is up 2.63% year-to-date (YTD), while IMTB has lost -0.32%. That puts TMSF better performer ahead so far this year.
Which ETF is attracting more investor money: TMSF or IMTB?
Year-to-date, the TMSF ETF saw +$33M in flows, compared to +$4M for IMTB.
Which ETF is bigger: TMSF or IMTB?
As of September 1, 2026, TMSF holds $58.55 M in assets under management (AUM), while IMTB manages $273.01 M.
What sectors do the TMSF and IMTB ETFs invest in?
TMSF leans toward sectors like Sovereign and Finance. Meanwhile, IMTB focuses on Sovereign, Industrials and Non-Corporate.
What are the top holdings of the TMSF ETF and IMTB ETF?
TMSF top holdings include USA, Notes 4% 31may2028, USD (BC-2028), USA, TIPS 1.875% 15jan2036, USD (A-2036) and US87283Q8832. IMTB holds in its top three: BlackRock Cash Funds - Institutional, USA, Notes 4.375% 15may2034, USD (C-2034) and USA, Notes 4.25% 15aug2035, USD (E-2035).
Which ETF is more diversified: TMSF or IMTB?
TMSF holds 286 securities with 21.01% of its assets in the top 15. IMTB has 3452 securities and a top 15 weight of 23.24%.
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