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Compare iShares Core S&P U.S. Total Market Index ETF (XUU) vs iShares Core S&P U.S. Total Market Index ETF (XUU.U) to find the best fit for your portfolio. XUU and XUU.U provide the same top sector exposures: Technology, Finance, and Healthcare. When evaluating costs, XUU features a management fee (MER) of 0.07%, compared to 0.07% for XUU.U. Performance-wise, XUU has returned 17.99% year-to-date with +$116 M in net flows, whereas XUU.U is at 13.63% with -$31 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
XUU
XUU.U
| AuM | $4,787.79 M | $161.49 M |
| Management Fees | 0.07% | 0.07% |
| Exp. ratio | 0.07% | 0.08% |
| Tracking Difference | 0.15% | - |
Historical performance and flows
As of October 2, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | XUU | +3.37% | +3.30% | +17.99% | +17.76% | +91.15% |
XUU.U | +0.59% | +2.92% | +13.63% | +15.60% | +83.52% | |
| Flows | XUU | -$0 M | -$16 M | +$116 M | +$78 M | +$494 M |
XUU.U | +$2 M | -$0 M | -$31 M | -$30 M | +$48 M |
XUU vs XUU.U exposure
Countries
XUU
USA
97.45%
XUU.U
USA
97.45%
Sectors
XUU
Technology
42.49%
Finance
14.61%
Healthcare
9.34%
Consumer Non-Cyclicals
8.35%
Industrials
8.11%
Other
17.10%
XUU.U
Technology
42.49%
Finance
14.61%
Healthcare
9.34%
Consumer Non-Cyclicals
8.35%
Industrials
8.11%
Other
17.10%
As of October 2, 2026
Top 10 Holdings
XUU
NVIDIA Corp.
7.19%
Apple, Inc.
6.25%
Microsoft Corp.
5.06%
Amazon.com, Inc.
3.42%
Alphabet, Inc.
2.67%
Broadcom Inc.
2.42%
Alphabet, Inc.
2.13%
Meta Platforms, Inc.
1.69%
Micron Technology, Inc.
1.45%
Tesla, Inc.
1.39%
XUU.U
NVIDIA Corp.
7.19%
Apple, Inc.
6.25%
Microsoft Corp.
5.06%
Amazon.com, Inc.
3.42%
Alphabet, Inc.
2.67%
Broadcom Inc.
2.42%
Alphabet, Inc.
2.13%
Meta Platforms, Inc.
1.69%
Micron Technology, Inc.
1.45%
Tesla, Inc.
1.39%
Diversification
XUU
Total weight of top 10 holdings out of 2,423 total
33.68%
XUU.U
Total weight of top 10 holdings out of 2,423 total
33.68%
Characteristics
Compare
XUU
XUU.U
| Provider | iShares | iShares |
| Management | Passively managed | Passively managed |
| Benchmark | S&P Total Market Net Total Return Index - CAD | S&P Total Market Net Total Return Index - CAD |
| Replication Method | Other | Other |
| Asset Class | Equity | Equity |
| Dividend Policy | Distributing | Distributing |
| Trailing 12m distribution yield | 1.01% | 1.04% |
| Meets ESG criteria | No | No |
| Inception Date | February 10, 2015 | October 22, 2019 |
Frequently asked questions about XUU and XUU.U
Which ETF has performed better year to date: XUU or XUU.U?
As of October 2, 2026, XUU has returned 17.99% year to date, while XUU.U has returned 13.63%. XUU is ahead on YTD performance.
Which ETF is larger by assets under management: XUU or XUU.U?
As of October 2, 2026, XUU manages $4.79 B in assets, while XUU.U manages $161.49 M. XUU is the larger fund by AUM.
How are XUU and XUU.U managed?
XUU is passively managed by iShares. It tracks the S&P Total Market Net Total Return Index - CAD benchmark. XUU.U is passively managed by iShares. It tracks the S&P Total Market Net Total Return Index - CAD benchmark.
What sectors do XUU and XUU.U emphasize?
XUU is most exposed to Technology, Finance, and Healthcare. XUU.U is most exposed to Technology, Finance, and Healthcare.
Which ETF is attracting more investor flows: XUU or XUU.U?
Year to date, XUU has seen +$115.60 M in net flows, compared with -$31.41 M for XUU.U. XUU has attracted more net investor money so far.
How do the fees of XUU and XUU.U compare?
XUU has an expense ratio of 0.07%, while XUU.U has an expense ratio of 0.08%.
What are the top holdings of XUU and XUU.U?
XUU's largest holdings include NVIDIA Corp., Apple, Inc., and Microsoft Corp.. XUU.U's top holdings include NVIDIA Corp., Apple, Inc., and Microsoft Corp..
Which ETF is more diversified: XUU or XUU.U?
XUU holds 2405 securities, while XUU.U holds 2405. On holdings count, XUU is the more diversified portfolio.
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