MFSBvsCPLBETF Comparison
VS
MFS Active Core Plus Bond ETF (MFSB) belongs to the US Aggregate Bonds segment. NYLI MacKay Core Plus Bond ETF (CPLB) is part of the Intl Aggregate Bonds segment. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. MFSB is less expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.46% for CPLB. MFSB is down -0.68% year-to-date (YTD) with +$427M in YTD flows. CPLB performs worse with -0.76% YTD performance, and +$129M in YTD flows. Run a side-by-side ETF comparison of MFSB and CPLB 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 CPLB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSB CPLB | -1.10%-1.53% | -1.66%-1.81% | -0.68%-0.76% | +0.01%-0.36% | n/a+17.35% | n/a+0.87% |
| Flows | MFSB CPLB | +$39M+$36M | +$133M+$83M | +$427M+$129M | +$503M+$133M | -+$177M | -+$411M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSB CPLB | +3.48%+3.41% | +3.32%+3.20% | n/a+4.86% | n/a+5.84% |
| Max drawdown | MFSB CPLB | -2.16%-2.28% | -2.56%-2.61% | n/a-4.12% | n/a-18.91% |
| Max drawdown duration | MFSB CPLB | 77d77d | 197d197d | n/a275d | n/a1449d |
Trading data
MFSB | CPLB | |
Last sale 9/15/2026 at 1:30 PM | $24.23 | $20.39 |
| Previous close 09/14/2026 | $24.27 | $20.41 |
| Consolidated volume 09/14/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 9/15/2026 at 1:30 PM
Live
Closed
MFSB | CPLB | |
|---|---|---|
| Last price | $24.23 | $20.39 |
| 1D performance | -0.16% | -0.07% |
| AuM | $568.93 M | $407.26 M |
| E/R | 0.34% | 0.46% |
Characteristics
MFSB | CPLB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | MFS | New York Life Investments |
| Benchmark | - | - |
| N° of holdings | 236 | 656 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 4, 2024 | June 29, 2021 |
| ESG | No | No |
Advertisement
Exposure
Countries
MFSB
USA
57.02%
Other
42.98%
CPLB
USA
52.78%
Other
47.22%
Sectors
MFSB
Sovereign
26.57%
Finance
20.22%
Industrials
8.04%
Other
45.17%
CPLB
Sovereign
19.02%
Finance
11.28%
Industrials
7.38%
Other
62.32%
Advertisement
Diversification
MFSB
Total weight of top 15 holdings out of 15
27.06%
CPLB
Total weight of top 15 holdings out of 15
22.47%
Top 15 holdings
Data as of July 31, 2026
MFSB
USA, Bonds 4.625% 15nov2045, USD
8.86%
USA, Bonds 4.625% 15nov2055, USD
4.10%
USA, Notes 3.875% 31jul2030, USD (AB-2030)
4.06%
USA, Notes 4.125% 31oct2029, USD (AF-2029)
2.59%
USA, Bonds 4.625% 15nov2044, USD
0.96%
USA, Bonds 4.875% 15aug2045, USD
0.93%
USA, Bonds 4.5% 15nov2054, USD
0.92%
Boston Properties LP, 5.75% 15jan2035, USD
0.69%
Bank of America Corporation, 5.744% 12feb2036, USD (N)
0.64%
US01F0306864
0.59%
US12570XAQ51
0.57%
USA, Bonds 4.25% 15feb2054, USD
0.56%
Highwoods Realty, 5.35% 15jan2033, USD
0.54%
Boeing, 6.528% 1may2034, USD
0.53%
JP Morgan, 4.946% 22oct2035, USD
0.52%
CPLB
USA, Notes 4.375% 31jul2033, USD (N-2033)
7.23%
USA, Bonds 5% 15may2046, USD
4.93%
USA, Notes 4.125% 15jul2029, USD (AQ-2029)
2.41%
USA, Bonds 5% 15may2056, USD
2.03%
USA, Notes 4.375% 31jul2031, USD (AB-2031)
1.67%
US749384AA14
0.82%
US3132DWDC47
0.48%
US31418EB825
0.47%
US3140XQFR34
0.40%
US3137G0VB27
0.37%
Coty, 4.75% 15jan2029, USD
0.35%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.35%
US20754XAG88
0.34%
US3137HHJF97
0.32%
Evergy Kansas Central, 5.25% 15mar2035, USD
0.31%
Frequently asked questions about MFSB and CPLB
How have the MFSB and CPLB ETFs performed in 2026?
As of September 14, 2026, MFSB is down -0.68% year-to-date (YTD), while CPLB has lost -0.76%. That puts MFSB better performer ahead so far this year.
Which ETF is attracting more investor money: MFSB or CPLB?
Year-to-date, the MFSB ETF saw +$427M in flows, compared to +$129M for CPLB.
Which ETF is more volatile: MFSB or CPLB?
Over the past year, MFSB had a volatility of 3.32%, while CPLB experienced 3.2%.
Which ETF is bigger: MFSB or CPLB?
As of September 14, 2026, MFSB holds $568.93 M in assets under management (AUM), while CPLB manages $407.26 M.
What sectors do the MFSB and CPLB ETFs invest in?
MFSB leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, CPLB focuses on Sovereign, Finance and Industrials.
What are the top holdings of the MFSB ETF and CPLB ETF?
MFSB top holdings include USA, Bonds 4.625% 15nov2045, USD, USA, Bonds 4.625% 15nov2055, USD and USA, Notes 3.875% 31jul2030, USD (AB-2030). CPLB holds in its top three: USA, Notes 4.375% 31jul2033, USD (N-2033), USA, Bonds 5% 15may2046, USD and USA, Notes 4.125% 15jul2029, USD (AQ-2029).
Which ETF is more diversified: MFSB or CPLB?
MFSB holds 457 securities with 27.06% of its assets in the top 15. CPLB has 932 securities and a top 15 weight of 22.47%.
Advertisement
Latest news about MFSB & CPLB
What's the Fund | NYLI MacKay Core Plus Bond ETF (CPLB)
October 30, 2025
CPLB
What's the Fund | MFS Active Core Plus Bond ETF (MFSB)
July 25, 2025
MFSB
Advertisement
Advertisement
