TMSFvsSPABETF Comparison
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T. Rowe Price Multi-Sector Income ETF (TMSF) belongs to the Intl Aggregate Bonds segment. State Street SPDR Portfolio Aggregate Bond ETF (SPAB) is part of the US Aggregate Bonds segment. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. TMSF is more expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.03% for SPAB. TMSF is up 1.47% year-to-date (YTD) with +$34M in YTD flows. SPAB performs worse with -1.55% YTD performance, and +$1.57B in YTD flows. Run a side-by-side ETF comparison of TMSF and SPAB 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 SPAB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TMSF SPAB | -0.52%-0.06% | -0.97%-1.75% | +1.47%-1.55% | n/a-1.68% | n/a+14.97% | n/a-1.79% |
| Flows | TMSF SPAB | +$1M+$530M | +$1M+$858M | +$34M+$1.57B | -+$2.03B | -+$3.57B | -+$5.17B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TMSF SPAB | +2.85%+4.38% | n/a+3.86% | n/a+4.97% | n/a+5.98% |
| Max drawdown | TMSF SPAB | -2.32%-3.30% | n/a-4.68% | n/a-4.87% | n/a-17.44% |
| Max drawdown duration | TMSF SPAB | 51d52d | n/a229d | n/a284d | n/a1556d |
Trading data
TMSF | SPAB | |
Last sale 10/16/2026 at 1:30 PM | $48.98 | $24.59 |
| Previous close 10/15/2026 | $49.01 | $24.59 |
| 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 September 30, 2026
1-year trailing difference
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TMSF
is actively managed and doesn’t replicate an indexTMSF | SPAB | |
|---|---|---|
| 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
TMSF | SPAB | |
|---|---|---|
| Last price | $48.98 | $24.59 |
| 1D performance | -0.07% | +0.00% |
| AuM | $58.83 M | $10.42 B |
| E/R | 0.37% | 0.03% |
Characteristics
TMSF | SPAB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | T. Rowe Price | State Street Investment Management |
| Benchmark | - | Bloomberg US Aggregate Bond Index |
| N° of holdings | 220 | 6931 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 19, 2025 | May 23, 2007 |
| ESG | No | No |
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Exposure
Countries
TMSF
USA
53.64%
Other
46.36%
SPAB
USA
74.49%
Other
25.51%
Sectors
TMSF
Sovereign
18.95%
Finance
15.53%
Other
65.52%
SPAB
Sovereign
45.89%
Finance
10.21%
Industrials
9.47%
Other
34.43%
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Diversification
TMSF
Total weight of top 15 holdings out of 15
18.27%
SPAB
Total weight of top 15 holdings out of 15
6.59%
Top 15 holdings
Data as of August 31, 2026
TMSF
USA, TIPS 1.875% 15jan2036, USD (A-2036)
4.11%
USA, Notes 4% 31may2028, USD (BC-2028)
2.44%
US87283Q8832
2.11%
USA, TIPS 1.125% 15oct2030, USD (AE-2030)
1.46%
Mexico, Bonos 8.5% 28feb2030, MXN
1.36%
Colombia, 5.375% 21jan2029, USD
1.02%
USA, Bonds 5% 15may2046, USD
0.72%
Brazil, 6.625% 15mar2035, USD
0.71%
Ecuador, 8.75% 29jan2034, USD
0.69%
USA, Bonds 5% 15may2056, 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.)
0.55%
Civitas Resources, 9.625% 15jun2033, USD
0.54%
SPAB
USA, Notes 3.5% 15dec2028, USD (AV-2028)
0.74%
US91282CRJ26
0.58%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
0.55%
US01F0526982
0.50%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
0.45%
USA, Notes 4.375% 30nov2028, USD (AG-2028)
0.41%
USA, Notes 3.5% 31jan2028, USD (U-2028)
0.41%
USA, Notes 3.875% 31mar2031, USD (W-2031)
0.40%
US01F0506927
0.38%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
0.37%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.37%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.37%
USA, Notes 3.625% 30sep2031, USD (Q-2031)
0.36%
USA, Notes 4% 15feb2034, USD (B-2034)
0.35%
USA, Notes 4% 30jun2032, USD (M-2032)
0.35%
Frequently asked questions about TMSF and SPAB
How have the TMSF and SPAB ETFs performed in 2026?
As of October 15, 2026, TMSF is up 1.47% year-to-date (YTD), while SPAB has lost -1.55%. That puts TMSF better performer ahead so far this year.
Which ETF is attracting more investor money: TMSF or SPAB?
Year-to-date, the TMSF ETF saw +$34M in flows, compared to +$1.57B for SPAB.
Which ETF is bigger: TMSF or SPAB?
As of October 15, 2026, TMSF holds $58.83 M in assets under management (AUM), while SPAB manages $10.42 B.
What sectors do the TMSF and SPAB ETFs invest in?
TMSF leans toward sectors like Sovereign and Finance. Meanwhile, SPAB focuses on Sovereign, Finance and Industrials.
What are the top holdings of the TMSF ETF and SPAB ETF?
TMSF top holdings include USA, TIPS 1.875% 15jan2036, USD (A-2036), USA, Notes 4% 31may2028, USD (BC-2028) and US87283Q8832. SPAB holds in its top three: USA, Notes 3.5% 15dec2028, USD (AV-2028), US91282CRJ26 and USA, Notes 3.625% 31dec2030, USD (AH-2030).
Which ETF is more diversified: TMSF or SPAB?
TMSF holds 298 securities with 18.27% of its assets in the top 15. SPAB has 8475 securities and a top 15 weight of 6.59%.
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