Compare BMO BBB CLO ETF (ZBBZ) vs BMO AAA CLO ETF (ZAAA.F) to find the best fit for your portfolio. ZBBZ provides Industrials, Finance, and Non-Corporate exposures, while ZAAA.F is primarily weighted in Industrials, Non-Corporate, and Finance. When evaluating costs, ZBBZ features a management fee (MER) of 0.45%, compared to 0.23% for ZAAA.F. Performance-wise, ZBBZ has returned 3.44% year-to-date with -$4 M in net flows, whereas ZAAA.F is at 1.9% with +$662 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
ZBBZ
ZAAA.F
| AuM | $3.67 M | $868.08 M |
| Management Fees | 0.45% | 0.23% |
| Exp. ratio | 0.45% | 0.23% |
| Tracking Difference | - | - |
Historical performance and flows
As of September 3, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | ZBBZ | -1.52% | +0.63% | +3.44% | - | - |
ZAAA.F | +0.31% | +0.74% | +1.90% | +2.95% | - | |
| Flows | ZBBZ | -$3 M | +$0 M | -$4 M | - | - |
ZAAA.F | +$261 M | +$470 M | +$662 M | +$724 M | - |
ZBBZ vs ZAAA.F exposure
Countries
ZBBZ
Other
81.21%
USA
17.90%
ZAAA.F
Other
78.98%
USA
21.01%
Sectors
ZBBZ
Other
81.21%
Industrials
17.85%
ZAAA.F
Other
78.99%
Industrials
20.90%
As of September 3, 2026
Top 10 Holdings
ZBBZ
US74984FAG63
6.06%
US81752T5285
3.54%
US67403CAY12
3.43%
US76857JAJ16
3.43%
US871972AZ80
3.42%
RAD CLO 2024-24A, FRN 30jul2040, USD (21-12A, ABS, C2R)
2.55%
US55954PBA12
2.54%
US149931AL12
2.53%
US403967AA05
2.52%
CIFC Funding 2025-1A, FRN 15apr2038, USD (25-2A, ABS, D2)
2.49%
ZAAA.F
US671026AW26
3.69%
US92920DAL91
3.32%
Magnetite CLO, 2026-55A, FRN 15apr2039, USD (ABS, A1)
3.32%
AIMCO CLO 2026-27A, FRN 20apr2039, USD (ABS, A1)
2.86%
Diameter Capital CLO 2022-4A, FRN 18jan2039, USD (ABS, ARR)
1.94%
AIMCO CLO 2025-23A, FRN 20apr2038, USD (ABS, A)
1.94%
CIFC Funding 2023-3A, FRN 20jan2039, USD (ABS, A1R)
1.85%
US720916AA38
1.85%
US03990NAA37
1.85%
US76676AAA88
1.66%
Diversification
ZBBZ
Total weight of top 10 holdings out of 917 total
32.52%
ZAAA.F
Total weight of top 10 holdings out of 1,412 total
24.28%
Characteristics
Frequently asked questions about ZBBZ and ZAAA.F
Which ETF has performed better year to date: ZBBZ or ZAAA.F?
As of September 3, 2026, ZBBZ has returned 3.44% year to date, while ZAAA.F has returned 1.90%. ZBBZ is ahead on YTD performance.
Which ETF is larger by assets under management: ZBBZ or ZAAA.F?
As of September 3, 2026, ZBBZ manages $3.67 M in assets, while ZAAA.F manages $868.08 M. ZAAA.F is the larger fund by AUM.
How are ZBBZ and ZAAA.F managed?
ZBBZ is actively managed by BMO. It does not track an index. ZAAA.F is actively managed by BMO. It does not track an index.
What sectors do ZBBZ and ZAAA.F emphasize?
ZBBZ is most exposed to Industrials, Finance, and Non-Corporate. ZAAA.F is most exposed to Industrials, Non-Corporate, and Finance.
Which ETF is attracting more investor flows: ZBBZ or ZAAA.F?
Year to date, ZBBZ has seen -$3.60 M in net flows, compared with +$661.82 M for ZAAA.F. ZAAA.F has attracted more net investor money so far.
How do the fees of ZBBZ and ZAAA.F compare?
ZBBZ has an expense ratio of 0.45%, while ZAAA.F has an expense ratio of 0.23%.
What are the top holdings of ZBBZ and ZAAA.F?
ZBBZ's largest holdings include RAD CLO 2024-24A, FRN 30jul2040, USD (21-12A, ABS, C2R) and CIFC Funding 2025-1A, FRN 15apr2038, USD (25-2A, ABS, D2). ZAAA.F's top holdings include Magnetite CLO, 2026-55A, FRN 15apr2039, USD (ABS, A1) and AIMCO CLO 2026-27A, FRN 20apr2039, USD (ABS, A1).
Which ETF is more diversified: ZBBZ or ZAAA.F?
ZBBZ holds 75 securities, while ZAAA.F holds 153. On holdings count, ZAAA.F is the more diversified portfolio.
Recent articles about ZBBZ and ZAAA.F
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