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Compare iShares S&P U.S. Small-Cap Index ETF (XSMC) vs iShares U.S. Small Cap Index ETF (XSU) to find the best fit for your portfolio. XSMC provides Finance, Technology, and Industrials exposures, while XSU is primarily weighted in Finance, Healthcare, and Technology. When evaluating costs, XSMC features a management fee (MER) of 0.2%, compared to 0.35% for XSU. Performance-wise, XSMC has returned 27.11% year-to-date with +$12 M in net flows, whereas XSU is at 21.48% with -$60 M. Use the comparison tool below to benchmark these funds across top 10 holdings, yield, sector weights and historical returns.
NAV Performance and Flows
Key Data
Compare
XSMC
XSU
| AuM | $103.97 M | $746.16 M |
| Management Fees | 0.20% | 0.35% |
| Exp. ratio | 0.21% | 0.36% |
| Tracking Difference | - | -0.32% |
Historical performance and flows
As of August 4, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | XSMC | -0.02% | +11.25% | +27.11% | +37.95% | +55.64% |
XSU | +0.86% | +8.55% | +21.48% | +35.08% | +52.09% | |
| Flows | XSMC | +$2 M | +$6 M | +$12 M | +$13 M | +$44 M |
XSU | -$21 M | -$41 M | -$60 M | -$59 M | +$12 M |
XSMC vs XSU exposure
Countries
XSMC
USA
99.41%
XSU
USA
94.78%
Sectors
XSMC
Finance
25.45%
Technology
13.58%
Industrials
12.67%
Healthcare
12.19%
Consumer Cyclicals
7.93%
Other
28.18%
XSU
Finance
25.42%
Healthcare
19.96%
Technology
12.85%
Industrials
11.45%
Other
30.33%
As of August 4, 2026
Top 10 Holdings
XSMC
BlackRock Cash Funds - Treasury
1.96%
FormFactor, Inc.
0.67%
ViaSat, Inc.
0.66%
Molina Healthcare, Inc.
0.64%
Argan, Inc.
0.60%
BrightSpring Health Services, Inc.
0.60%
Element Solutions, Inc.
0.59%
MaxLinear, Inc.
0.58%
Krystal Biotech, Inc.
0.53%
ESCO Technologies, Inc.
0.49%
XSU
Moog, Inc.
0.37%
Hut 8 Corp.
0.37%
ViaSat, Inc.
0.35%
BrightSpring Health Services, Inc.
0.35%
Cytokinetics, Inc.
0.35%
MaxLinear, Inc.
0.34%
Argan, Inc.
0.34%
UMB Financial Corp.
0.33%
JFrog Ltd.
0.31%
Riot Platforms, Inc.
0.30%
Diversification
XSMC
Total weight of top 10 holdings out of 604 total
7.33%
XSU
Total weight of top 10 holdings out of 1,992 total
3.41%
Characteristics
Compare
XSMC
XSU
| Provider | iShares | iShares |
| Management | Passively managed | Passively managed |
| Benchmark | S&P SmallCap 600 Index - USD | Russell 2000 CAD Hedged NTR Index - CAD |
| Replication Method | ||
| Asset Class | Equity | Equity |
| Dividend Policy | Distributing | Distributing |
| Trailing 12m distribution yield | 0.86% | 0.74% |
| Meets ESG criteria | No | No |
| Inception Date | September 10, 2019 | May 14, 2007 |
Frequently asked questions about XSMC and XSU
Which ETF has performed better year to date: XSMC or XSU?
As of August 4, 2026, XSMC has returned 27.11% year to date, while XSU has returned 21.48%. XSMC is ahead on YTD performance.
Which ETF is larger by assets under management: XSMC or XSU?
As of August 4, 2026, XSMC manages $103.97 M in assets, while XSU manages $746.16 M. XSU is the larger fund by AUM.
How are XSMC and XSU managed?
XSMC is passively managed by iShares. It tracks the S&P SmallCap 600 Index - USD benchmark. XSU is passively managed by iShares. It tracks the Russell 2000 CAD Hedged NTR Index - CAD benchmark.
What sectors do XSMC and XSU emphasize?
XSMC is most exposed to Finance, Technology, and Industrials. XSU is most exposed to Finance, Healthcare, and Technology.
Which ETF is attracting more investor flows: XSMC or XSU?
Year to date, XSMC has seen +$11.52 M in net flows, compared with -$60.08 M for XSU. XSMC has attracted more net investor money so far.
How do the fees of XSMC and XSU compare?
XSMC has an expense ratio of 0.21%, while XSU has an expense ratio of 0.36%.
What are the top holdings of XSMC and XSU?
XSMC's largest holdings include BlackRock Cash Funds - Treasury, FormFactor, Inc., and ViaSat, Inc.. XSU's top holdings include Moog, Inc., Hut 8 Corp., and ViaSat, Inc..
Which ETF is more diversified: XSMC or XSU?
XSMC holds 602 securities, while XSU holds 1961. On holdings count, XSU is the more diversified portfolio.
Recent articles about XSMC and XSU
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