TCPBvsMFSBETF Comparison
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Thrivent Core Plus Bond ETF (TCPB) and MFS Active Core Plus Bond ETF (MFSB) belong to the same industry segment: US Aggregate Bonds. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. TCPB is more expensive with a Total Expense Ratio (TER) of 0.39%, versus 0.34% for MFSB. TCPB is down -1.55% year-to-date (YTD) with +$170M in YTD flows. MFSB performs better with -1.09% YTD performance, and +$582M in YTD flows. Run a side-by-side ETF comparison of TCPB and MFSB 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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TCPB vs MFSB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TCPB MFSB | -0.32%-0.32% | -2.00%-1.78% | -1.55%-1.09% | -1.54%-1.05% | n/an/a | n/an/a |
| Flows | TCPB MFSB | +$15M+$151M | +$37M+$244M | +$170M+$582M | +$266M+$631M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TCPB MFSB | +4.21%+3.97% | +3.72%+3.51% | n/an/a | n/an/a |
| Max drawdown | TCPB MFSB | -3.42%-3.18% | -4.53%-4.09% | n/an/a | n/an/a |
| Max drawdown duration | TCPB MFSB | 52d52d | 229d229d | n/an/a | n/an/a |
Trading data
TCPB | MFSB | |
Last sale 10/16/2026 at 1:30 PM | $48.84 | $24.06 |
| Previous close 10/16/2026 | $48.88 | $24.09 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
TCPB | MFSB | |
|---|---|---|
| Last price | $48.84 | $24.06 |
| 1D performance | -0.09% | -0.14% |
| AuM | $491.65 M | $719.76 M |
| E/R | 0.39% | 0.34% |
Characteristics
TCPB | MFSB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Thrivent Asset Management | MFS |
| Benchmark | - | - |
| N° of holdings | 386 | 237 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 19, 2025 | December 4, 2024 |
| ESG | No | No |
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Exposure
Countries
TCPB
USA
55.07%
Other
44.93%
MFSB
USA
57.49%
Other
42.51%
Sectors
TCPB
Sovereign
21.53%
Finance
17.68%
Industrials
7.16%
Other
53.63%
MFSB
Sovereign
27.4%
Finance
19.95%
Industrials
8.05%
Other
44.6%
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Diversification
TCPB
Total weight of top 15 holdings out of 15
24.69%
MFSB
Total weight of top 15 holdings out of 15
27.94%
Top 15 holdings
Data as of August 31, 2026
TCPB
USA, Bonds 4.5% 15nov2054, USD
3.81%
USA, Notes 4.25% 31mar2033, USD (J-2033)
2.24%
USA, Bonds 4.625% 15nov2044, USD
2.21%
USA, Bonds 1.875% 15feb2041, USD
2.13%
USA, Notes 3.875% 31mar2031, USD (W-2031)
1.90%
USA, Bonds 3% 15aug2048, USD
1.90%
USA, Notes 4.125% 15feb2036, USD (B-2036)
1.59%
US31427Q3B66
1.35%
FR SL3206, 5% 1nov2055, USD (ABS)
1.14%
US3140W06P53
1.14%
US3140W1M753
1.12%
USA, Notes 4% 31may2030, USD (Z-2030)
1.10%
US3132DUKU06
1.04%
US3142GVFV89
1.03%
US31427NH931
0.99%
MFSB
USA, Bonds 4.625% 15nov2045, USD
9.13%
USA, Notes 3.875% 31jul2030, USD (AB-2030)
4.69%
USA, Bonds 4.625% 15nov2055, USD
3.92%
USA, Notes 4.125% 31oct2029, USD (AF-2029)
2.46%
US01F0306948
0.97%
USA, Bonds 4.625% 15nov2044, USD
0.92%
USA, Bonds 4.875% 15aug2045, USD
0.89%
USA, Bonds 4.5% 15nov2054, USD
0.88%
Boston Properties LP, 5.75% 15jan2035, USD
0.66%
Bank of America Corporation, 5.744% 12feb2036, USD (N)
0.61%
Highwoods Realty, 5.35% 15jan2033, USD
0.61%
Jefferies Financial Group, 5.5% 15feb2036, USD
0.57%
Corebridge Financial, 5.75% 15jan2034, USD
0.56%
US12570XAQ51
0.55%
USA, Bonds 4.25% 15feb2054, USD
0.54%
Frequently asked questions about TCPB and MFSB
How have the TCPB and MFSB ETFs performed in 2026?
As of October 16, 2026, TCPB is down -1.55% year-to-date (YTD), while MFSB has lost -1.09%. That puts MFSB better performer ahead so far this year.
Which ETF is attracting more investor money: TCPB or MFSB?
Year-to-date, the TCPB ETF saw +$170M in flows, compared to +$582M for MFSB.
Which ETF is more volatile: TCPB or MFSB?
Over the past year, TCPB had a volatility of 3.72%, while MFSB experienced 3.51%.
Which ETF is bigger: TCPB or MFSB?
As of October 16, 2026, TCPB holds $491.65 M in assets under management (AUM), while MFSB manages $719.76 M.
What sectors do the TCPB and MFSB ETFs invest in?
TCPB leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, MFSB focuses on Sovereign, Finance and Industrials.
What are the top holdings of the TCPB ETF and MFSB ETF?
TCPB top holdings include USA, Bonds 4.5% 15nov2054, USD, USA, Notes 4.25% 31mar2033, USD (J-2033) and USA, Bonds 4.625% 15nov2044, USD. MFSB holds in its top three: USA, Bonds 4.625% 15nov2045, USD, USA, Notes 3.875% 31jul2030, USD (AB-2030) and USA, Bonds 4.625% 15nov2055, USD.
Which ETF is more diversified: TCPB or MFSB?
TCPB holds 543 securities with 24.69% of its assets in the top 15. MFSB has 463 securities and a top 15 weight of 27.94%.
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Latest news about TCPB & MFSB
What's the Fund | MFS Active Core Plus Bond ETF (MFSB)
July 25, 2025
MFSB
Thrivent Expands Fixed Income Offerings with Two New Bond ETFs
February 24, 2025
TCPB
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