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 09/04/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BRSM SMLF | -0.17%-1.68% | +4.36%+2.29% | n/a+18.41% | n/a+20.77% | n/a+68.43% | n/a+69.40% |
| Flows | BRSM SMLF | +$518K+$85M | +$7M+$228M | -+$869M | -+$1.44B | -+$2.50B | -+$2.27B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BRSM SMLF | +15.41%+15.93% | n/a+17.28% | n/a+19.87% | n/a+21.13% |
| Max drawdown | BRSM SMLF | -3.66%-4.40% | n/a-8.74% | n/a-26.10% | n/a-26.10% |
| Max drawdown duration | BRSM SMLF | 19d19d | n/a81d | n/a266d | n/a266d |
Trading data
BRSM | SMLF | |
Last sale 9/4/2026 at 1:30 PM | $26.11 | $88.15 |
| Previous close 09/03/2026 | $26.11 | $87.97 |
| Consolidated volume 09/03/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 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 9/4/2026 at 1:30 PM
Live
Closed
BRSM | SMLF | |
|---|---|---|
| Last price | $26.11 | $88.15 |
| 1D performance | +0.00% | +0.20% |
| AuM | $27.68 M | $4.27 B |
| E/R | 0.38% | 0.15% |
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Exposure
Countries
BRSM
USA
91.96%
Other
8.04%
SMLF
USA
93.28%
Other
6.72%
Sectors
BRSM
Finance
25.21%
Technology
14.85%
Healthcare
13.87%
Industrials
12.31%
Non-Energy Materi.
8.38%
Other
25.38%
SMLF
Finance
21.93%
Technology
17.24%
Healthcare
14.67%
Industrials
13.83%
Non-Energy Materi.
7.45%
Consumer Cyclical.
7.14%
Other
17.75%
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Diversification
BRSM
Total weight of top 15 holdings out of 15
14.45%
SMLF
Total weight of top 15 holdings out of 15
10.16%
Top 15 holdings
Data as of July 31, 2026
BRSM
Aramark
1.08%
TechnipFMC plc
1.07%
Lincoln National Corp.
1.04%
Popular, Inc.
1.04%
Roku, Inc.
1.03%
Everest Group Ltd.
1.00%
Universal Health Services, Inc.
0.99%
Box, Inc.
0.96%
Cathay General Bancorp
0.92%
UMB Financial Corp.
0.92%
Bill Holdings, Inc.
0.91%
Talen Energy Corp.
0.91%
The Timken Co.
0.87%
Essential Properties Realty Trust, Inc.
0.86%
nVent Electric Plc
0.85%
SMLF
EMCOR Group, Inc.
0.95%
Interactive Brokers Group, Inc.
0.86%
BlackRock Cash Funds - Treasury
0.83%
Flex Ltd.
0.77%
nVent Electric Plc
0.75%
Jabil, Inc.
0.74%
Astera Labs, Inc.
0.67%
Tapestry, Inc.
0.66%
Natera, Inc.
0.62%
Williams-Sonoma, Inc.
0.62%
Mueller Industries, Inc.
0.59%
Reliance, Inc.
0.55%
Popular, Inc.
0.54%
Tenet Healthcare Corp.
0.51%
Credo Technology Group Holding Ltd.
0.50%
Frequently asked questions about BRSM and SMLF
Which ETF is bigger: BRSM or SMLF?
As of September 4, 2026, BRSM holds $27.68 M in assets under management (AUM), while SMLF manages $4.27 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 Aramark, TechnipFMC plc and Lincoln National Corp.. SMLF holds in its top three: EMCOR Group, Inc., Interactive Brokers Group, Inc. and BlackRock Cash Funds - Treasury.
Which ETF is more diversified: BRSM or SMLF?
BRSM holds 311 securities with 14.45% of its assets in the top 15. SMLF has 891 securities and a top 15 weight of 10.16%.
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