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Compare Vanguard U.S. Aggregate Bond Index ETF (VBU) vs BMO US Aggregate Bond Index ETF (ZUAG) to find the best fit for your portfolio. VBU and ZUAG provide the same top sector exposures: Sovereign, Finance, and Industrials. When evaluating costs, VBU features a management fee (MER) of 0.2%, compared to 0.09% for ZUAG. Performance-wise, VBU has returned 4.07% year-to-date with +$381 M in net flows, whereas ZUAG is at 0.96% with +$7 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
VBU
ZUAG
| AuM | $1,866.23 M | $12.81 M |
| Management Fees | 0.20% | 0.09% |
| Exp. ratio | 0.23% | 0.09% |
| Tracking Difference | -0.53% | 0.22% |
Historical performance and flows
As of October 2, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | VBU | -2.51% | -3.82% | -4.07% | -4.04% | +9.74% |
ZUAG | +0.49% | -2.89% | +0.96% | -0.15% | +18.01% | |
| Flows | VBU | +$29 M | +$88 M | +$381 M | +$542 M | +$1,085 M |
ZUAG | +$0 M | +$5 M | +$7 M | +$9 M | +$10 M |
VBU vs ZUAG exposure
Countries
VBU
USA
75.17%
Other
18.96%
ZUAG
USA
74.63%
Other
18.41%
Sectors
VBU
Sovereign
47.53%
Other
18.96%
Finance
10.71%
Industrials
7.30%
Other
15.51%
ZUAG
Sovereign
47.77%
Other
18.41%
Finance
10.60%
Other
23.22%
As of October 2, 2026
Top 10 Holdings
VBU
USA, Notes 3.5% 31jan2028, USD (U-2028)
0.47%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.41%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.41%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
0.40%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.40%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.40%
USA, Notes 4% 15feb2034, USD (B-2034)
0.39%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.39%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.38%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.38%
ZUAG
BlackRock Cash Funds - Institutional
1.93%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.40%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.39%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.39%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.38%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.38%
USA, Notes 4% 15feb2034, USD (B-2034)
0.38%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.38%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.38%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.38%
Diversification
VBU
Total weight of top 10 holdings out of 15,072 total
4.04%
ZUAG
Total weight of top 10 holdings out of 14,372 total
5.38%
Characteristics
Compare
VBU
ZUAG
| Provider | Vanguard | BMO |
| Management | Passively managed | Passively managed |
| Benchmark | Bloomberg U.S. Aggregate Float Adjusted Bond (CAD Hedged) Total Return Index - CAD | Bloomberg US Aggregate Bond Index - CAD |
| Replication Method | Other | Direct (Physical) |
| Asset Class | Fixed Income | Fixed Income |
| Dividend Policy | Distributing | Distributing |
| Trailing 12m distribution yield | 3.84% | 2.79% |
| Meets ESG criteria | No | No |
| Inception Date | June 30, 2014 | January 23, 2023 |
Frequently asked questions about VBU and ZUAG
Which ETF has performed better year to date: VBU or ZUAG?
As of October 2, 2026, VBU has returned -4.07% year to date, while ZUAG has returned 0.96%. ZUAG is ahead on YTD performance.
Which ETF is larger by assets under management: VBU or ZUAG?
As of October 2, 2026, VBU manages $1.87 B in assets, while ZUAG manages $12.81 M. VBU is the larger fund by AUM.
How are VBU and ZUAG managed?
VBU is passively managed by Vanguard. It tracks the Bloomberg U.S. Aggregate Float Adjusted Bond (CAD Hedged) Total Return Index - CAD benchmark. ZUAG is passively managed by BMO. It tracks the Bloomberg US Aggregate Bond Index - CAD benchmark.
What sectors do VBU and ZUAG emphasize?
VBU is most exposed to Sovereign, Finance, and Industrials. ZUAG is most exposed to Sovereign, Finance, and Industrials.
Which ETF is attracting more investor flows: VBU or ZUAG?
Year to date, VBU has seen +$381.12 M in net flows, compared with +$7.29 M for ZUAG. VBU has attracted more net investor money so far.
How do the fees of VBU and ZUAG compare?
VBU has an expense ratio of 0.23%, while ZUAG has an expense ratio of 0.09%.
What are the top holdings of VBU and ZUAG?
VBU's largest holdings include USA, Notes 3.5% 31jan2028, USD (U-2028) and USA, Notes 4.25% 15nov2034, USD (F-2034). ZUAG's top holdings include BlackRock Cash Funds - Institutional and USA, Notes 4.625% 15feb2035, USD (B-2035).
Which ETF is more diversified: VBU or ZUAG?
VBU holds 9484 securities, while ZUAG holds 6196. On holdings count, VBU is the more diversified portfolio.
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