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Compare iShares Core S&P U.S. Total Market Index ETF (XUU) vs Vanguard Morningstar U.S. Total Market Index ETF (VUN) to find the best fit for your portfolio. XUU and VUN provide the same top sector exposures: Technology, Finance, and Healthcare. When evaluating costs, XUU features a management fee (MER) of 0.07%, compared to 0.15% for VUN. Performance-wise, XUU has returned 14.72% year-to-date with +$126 M in net flows, whereas VUN is at 14.58% with +$3 B. 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
VUN
| AuM | $4,674.91 M | $19,898.26 M |
| Management Fees | 0.07% | 0.15% |
| Exp. ratio | 0.07% | 0.17% |
| Tracking Difference | 0.06% | -0.13% |
Historical performance and flows
As of September 17, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | XUU | -0.89% | +2.58% | +14.72% | +18.25% | +81.19% |
VUN | -0.97% | +1.90% | +14.58% | +18.24% | +82.29% | |
| Flows | XUU | +$25 M | +$17 M | +$126 M | +$100 M | +$509 M |
VUN | +$422 M | +$1,062 M | +$3,223 M | +$3,945 M | +$7,063 M |
XUU vs VUN exposure
Countries
XUU
USA
97.39%
VUN
USA
97.06%
Sectors
XUU
Technology
41.91%
Finance
15.02%
Healthcare
9.23%
Industrials
8.55%
Consumer Non-Cyclicals
8.43%
Other
16.87%
VUN
Technology
41.21%
Finance
14.86%
Healthcare
9.59%
Consumer Non-Cyclicals
8.73%
Industrials
8.73%
Other
16.88%
As of September 17, 2026
Top 10 Holdings
XUU
Apple, Inc.
6.79%
NVIDIA Corp.
6.55%
Microsoft Corp.
4.65%
Amazon.com, Inc.
3.20%
Alphabet, Inc.
2.71%
Broadcom Inc.
2.62%
Alphabet, Inc.
2.19%
Meta Platforms, Inc.
1.64%
Micron Technology, Inc.
1.37%
JPMorgan Chase & Co.
1.30%
VUN
NVIDIA Corp.
6.39%
Apple, Inc.
6.28%
Microsoft Corp.
4.78%
Amazon.com, Inc.
3.64%
Alphabet, Inc.
2.89%
Broadcom Inc.
2.55%
Alphabet, Inc.
2.31%
Meta Platforms, Inc.
1.69%
Eli Lilly & Co.
1.35%
JPMorgan Chase & Co.
1.30%
Diversification
XUU
Total weight of top 10 holdings out of 2,433 total
33.03%
VUN
Total weight of top 10 holdings out of 3,428 total
33.17%
Characteristics
Compare
XUU
VUN
| Provider | iShares | Vanguard |
| Management | Passively managed | Passively managed |
| Benchmark | S&P Total Market Net Total Return Index - CAD | CRSP U.S. Total Market Total Return Index - CAD |
| Replication Method | ||
| Asset Class | Equity | Equity |
| Dividend Policy | Distributing | Distributing |
| Trailing 12m distribution yield | 1.02% | 0.76% |
| Meets ESG criteria | No | No |
| Inception Date | February 10, 2015 | August 2, 2013 |
Frequently asked questions about XUU and VUN
Which ETF has performed better year to date: XUU or VUN?
As of September 17, 2026, XUU has returned 14.72% year to date, while VUN has returned 14.58%. XUU is ahead on YTD performance.
Which ETF is larger by assets under management: XUU or VUN?
As of September 17, 2026, XUU manages $4.67 B in assets, while VUN manages $19.90 B. VUN is the larger fund by AUM.
How are XUU and VUN managed?
XUU is passively managed by iShares. It tracks the S&P Total Market Net Total Return Index - CAD benchmark. VUN is passively managed by Vanguard. It tracks the CRSP U.S. Total Market Total Return Index - CAD benchmark.
What sectors do XUU and VUN emphasize?
XUU is most exposed to Technology, Finance, and Healthcare. VUN is most exposed to Technology, Finance, and Healthcare.
Which ETF is attracting more investor flows: XUU or VUN?
Year to date, XUU has seen +$125.53 M in net flows, compared with +$3,223.47 M for VUN. VUN has attracted more net investor money so far.
How do the fees of XUU and VUN compare?
XUU has an expense ratio of 0.07%, while VUN has an expense ratio of 0.17%.
What are the top holdings of XUU and VUN?
XUU's largest holdings include Apple, Inc., NVIDIA Corp., and Alphabet, Inc.. VUN's top holdings include NVIDIA Corp., Apple, Inc., and Alphabet, Inc..
Which ETF is more diversified: XUU or VUN?
XUU holds 2413 securities, while VUN holds 3324. On holdings count, VUN is the more diversified portfolio.
Recent articles about XUU and VUN
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