BRSMvsSMLFETF Comparison
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MFS Blended Research Small-Mid Cap ETF (BRSM) and iShares U.S. Small-Cap Equity Factor ETF (SMLF) belong to the same industry segment: US Multi-Factor. Both ETFs have the same top 3 sector exposures: Finance, Technology and Healthcare. BRSM is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.15% for SMLF. Run a side-by-side ETF comparison of BRSM and SMLF 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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BRSM vs SMLF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/20/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BRSM SMLF | -0.06%-0.84% | -0.65%-1.18% | n/a+14.00% | n/a+14.98% | n/a+78.27% | n/a+61.32% |
| Flows | BRSM SMLF | --$124M | +$2M+$139M | -+$911M | -+$1.20B | -+$2.55B | -+$2.29B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BRSM SMLF | +12.65%+14.31% | n/a+16.95% | n/a+19.74% | n/a+21.09% |
| Max drawdown | BRSM SMLF | -7.38%-7.76% | n/a-8.74% | n/a-26.10% | n/a-26.10% |
| Max drawdown duration | BRSM SMLF | 65d65d | n/a81d | n/a266d | n/a266d |
Trading data
BRSM | SMLF | |
Last sale 10/21/2026 at 1:30 PM | $25.32 | $85.04 |
| Previous close 10/20/2026 | $25.20 | $84.64 |
| Consolidated volume 10/20/2026 | ||
| 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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BRSM
is actively managed and doesn’t replicate an indexBRSM | SMLF | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/21/2026 at 1:30 PM
Live
Closed
BRSM | SMLF | |
|---|---|---|
| Last price | $25.32 | $85.04 |
| 1D performance | +0.49% | +0.47% |
| AuM | $26.71 M | $4.15 B |
| E/R | 0.38% | 0.15% |
Exposure
Countries
BRSM
USA
92.06%
Other
7.94%
SMLF
USA
93.32%
Other
6.68%
Sectors
BRSM
Finance
24.53%
Technology
15.77%
Healthcare
14.22%
Industrials
11.6%
Non-Energy Materi.
8.73%
Other
25.15%
SMLF
Finance
21.47%
Technology
17.91%
Healthcare
15.37%
Industrials
13.11%
Non-Energy Materi.
7.54%
Other
24.59%
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Diversification
BRSM
Total weight of top 15 holdings out of 15
14.29%
SMLF
Total weight of top 15 holdings out of 15
10.5%
Top 15 holdings
Data as of August 31, 2026
BRSM
TechnipFMC plc
1.14%
Roku, Inc.
1.09%
Box, Inc.
1.06%
Aramark
1.04%
Universal Health Services, Inc.
0.98%
Everest Group Ltd.
0.98%
Bill Holdings, Inc.
0.97%
Popular, Inc.
0.97%
Lincoln National Corp.
0.95%
UGI Corp.
0.88%
UMB Financial Corp.
0.87%
Cathay General Bancorp
0.87%
Okta, Inc.
0.83%
Gap, Inc.
0.83%
AGCO Corp.
0.82%
SMLF
Moderna, Inc.
0.92%
BlackRock Cash Funds - Treasury
0.91%
Interactive Brokers Group, Inc.
0.91%
EMCOR Group, Inc.
0.86%
nVent Electric Plc
0.78%
Flex Ltd.
0.74%
Natera, Inc.
0.73%
Jabil, Inc.
0.72%
Astera Labs, Inc.
0.66%
Williams-Sonoma, Inc.
0.60%
Credo Technology Group Holding Ltd.
0.55%
Mueller Industries, Inc.
0.54%
Tenet Healthcare Corp.
0.53%
Tapestry, Inc.
0.53%
Reliance, Inc.
0.52%
Frequently asked questions about BRSM and SMLF
Which ETF is bigger: BRSM or SMLF?
As of October 20, 2026, BRSM holds $26.71 M in assets under management (AUM), while SMLF manages $4.15 B.
What sectors do the BRSM and SMLF ETFs invest in?
BRSM leans toward sectors like Finance, Technology and Healthcare. Meanwhile, SMLF focuses on Finance, Technology and Healthcare.
What are the top holdings of the BRSM ETF and SMLF ETF?
BRSM top holdings include TechnipFMC plc, Roku, Inc. and Box, Inc.. SMLF holds in its top three: Moderna, Inc., BlackRock Cash Funds - Treasury and Interactive Brokers Group, Inc..
Which ETF is more diversified: BRSM or SMLF?
BRSM holds 311 securities with 14.29% of its assets in the top 15. SMLF has 887 securities and a top 15 weight of 10.5%.
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