MFSBvsBKFIETF Comparison
VS
MFS Active Core Plus Bond ETF (MFSB) belongs to the US Aggregate Bonds segment. BNY Mellon Active Core Bond ETF (BKFI) is part of the Intl IG Bonds segment. MFSB's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, BKFI's top sector exposures are Finance, Industrials and Utilities. MFSB is less expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.4% for BKFI. Run a side-by-side ETF comparison of MFSB and BKFI below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
MFSB vs BKFI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSB BKFI | +2.17%+2.16% | -0.26%-0.45% | -0.12%n/a | +0.20%n/a | n/an/a | n/an/a |
| Flows | MFSB BKFI | +$214M- | +$284M- | +$658M- | +$690M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSB BKFI | +4.19%+4.48% | +3.58%n/a | n/an/a | n/an/a |
| Max drawdown | MFSB BKFI | -3.18%-3.39% | -4.09%n/a | n/an/a | n/an/a |
| Max drawdown duration | MFSB BKFI | 66d66d | 243dn/a | n/an/a | n/an/a |
Trading data
MFSB | BKFI | |
Last sale 10/30/2026 at 1:30 PM | $24.18 | $23.17 |
| Previous close 10/30/2026 | $24.28 | $23.13 |
| Consolidated volume 10/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
MFSB | BKFI | |
|---|---|---|
| Last price | $24.18 | $23.17 |
| 1D performance | -0.41% | +0.17% |
| AuM | $799.95 M | $245.79 M |
| E/R | 0.34% | 0.4% |
Characteristics
MFSB | BKFI | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | MFS | BNY Mellon |
| Benchmark | - | - |
| N° of holdings | 230 | 164 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 4, 2024 | January 9, 2026 |
| ESG | No | No |
Advertisement
Exposure
Countries
MFSB
USA
44.83%
Other
55.17%
BKFI
USA
47.06%
Other
52.94%
Sectors
MFSB
Finance
19.57%
Sovereign
15.52%
Industrials
7.67%
Other
57.24%
BKFI
Finance
19.48%
Industrials
9.43%
Other
71.09%
Advertisement
Diversification
MFSB
Total weight of top 15 holdings out of 15
29.96%
BKFI
Total weight of top 15 holdings out of 15
22.44%
Top 15 holdings
Data as of September 30, 2026
MFSB
US912810UX45
10.87%
USA, Bonds 5% 15may2056, USD
5.85%
USA, Notes 3.875% 31jul2030, USD (AB-2030)
4.27%
USA, Notes 4.125% 31oct2029, USD (AF-2029)
2.48%
US01F0306A11
0.88%
Bank of America Corporation, 5.744% 12feb2036, USD (N)
0.68%
Boston Properties LP, 5.75% 15jan2035, USD
0.66%
Goldman Sachs, 3.102% 24feb2033, USD
0.57%
Highwoods Realty, 5.35% 15jan2033, USD
0.56%
Morgan Stanley, 5.664% 17apr2036, USD (I)
0.55%
Corebridge Financial, 5.75% 15jan2034, USD
0.52%
Jefferies Financial Group, 5.5% 15feb2036, USD
0.52%
US12570XAQ51
0.52%
US67577KBL08
0.52%
Citadel Securities Global Holdings, 5.75% 27mar2036, USD
0.51%
BKFI
US912810UX45
2.94%
US3133AYJL57
2.33%
US31427PB608
2.16%
US3132DSFA50
1.65%
US3140X6ZY03
1.42%
US3140W1F732
1.41%
USA, Notes 3.75% 15may2028, USD (AN-2028)
1.38%
Broadcom Inc, 4% 15apr2029, USD
1.34%
Devon Energy, 4.375% 15mar2029, USD
1.22%
USA, Bonds 4.625% 15feb2046, USD
1.21%
US31427NS425
1.12%
US3140L8ZM59
1.11%
FR SB0856, 3.5% 1jun2035, USD (ABS)
1.10%
US3140XR6X81
1.04%
Delta Air Lines 2020, 2% 10dec2029, USD (ABS, AA)
1.03%
Frequently asked questions about MFSB and BKFI
Which ETF is bigger: MFSB or BKFI?
As of October 30, 2026, MFSB holds $799.95 M in assets under management (AUM), while BKFI manages $245.79 M.
What sectors do the MFSB and BKFI ETFs invest in?
MFSB leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, BKFI focuses on Finance and Industrials.
What are the top holdings of the MFSB ETF and BKFI ETF?
MFSB top holdings include US912810UX45, USA, Bonds 5% 15may2056, USD and USA, Notes 3.875% 31jul2030, USD (AB-2030). BKFI holds in its top three: US912810UX45, US3133AYJL57 and US31427PB608.
Which ETF is more diversified: MFSB or BKFI?
MFSB holds 472 securities with 29.96% of its assets in the top 15. BKFI has 276 securities and a top 15 weight of 22.44%.
Advertisement
Latest news about MFSB & BKFI
Advertisement
