Compare BMO AAA CLO ETF (ZAAA) vs BMO BBB CLO ETF (ZBBZ.F) to find the best fit for your portfolio. ZAAA provides Industrials, Non-Corporate, and Finance exposures, while ZBBZ.F is primarily weighted in Industrials, Finance, and Non-Corporate. When evaluating costs, ZAAA features a management fee (MER) of 0.23%, compared to 0.45% for ZBBZ.F. Performance-wise, ZAAA has returned 5.29% year-to-date with +$27 M in net flows, whereas ZBBZ.F is at 2.18% with +$260 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
ZAAA
ZBBZ.F
| AuM | $76.12 M | $307.59 M |
| Management Fees | 0.23% | 0.45% |
| Exp. ratio | 0.23% | 0.45% |
| Tracking Difference | - | - |
Historical performance and flows
As of September 17, 2026
| 1M | 3M | YTD | 1Y | 3Y | ||
|---|---|---|---|---|---|---|
| Perf. | ZAAA | +1.31% | +0.30% | +5.29% | +6.42% | - |
ZBBZ.F | +0.82% | +1.42% | +2.18% | +2.88% | - | |
| Flows | ZAAA | +$8 M | +$12 M | +$27 M | +$39 M | - |
ZBBZ.F | +$2 M | +$221 M | +$260 M | +$303 M | - |
ZAAA vs ZBBZ.F exposure
Countries
ZAAA
Other
78.98%
USA
21.01%
ZBBZ.F
Other
81.21%
USA
17.90%
Sectors
ZAAA
Other
78.99%
Industrials
20.90%
ZBBZ.F
Other
81.21%
Industrials
17.85%
As of September 17, 2026
Top 10 Holdings
ZAAA
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%
ZBBZ.F
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%
Diversification
ZAAA
Total weight of top 10 holdings out of 1,412 total
24.28%
ZBBZ.F
Total weight of top 10 holdings out of 917 total
32.52%
Characteristics
Frequently asked questions about ZAAA and ZBBZ.F
Which ETF has performed better year to date: ZAAA or ZBBZ.F?
As of September 17, 2026, ZAAA has returned 5.29% year to date, while ZBBZ.F has returned 2.18%. ZAAA is ahead on YTD performance.
Which ETF is larger by assets under management: ZAAA or ZBBZ.F?
As of September 17, 2026, ZAAA manages $76.12 M in assets, while ZBBZ.F manages $307.59 M. ZBBZ.F is the larger fund by AUM.
How are ZAAA and ZBBZ.F managed?
ZAAA is actively managed by BMO. It does not track an index. ZBBZ.F is actively managed by BMO. It does not track an index.
What sectors do ZAAA and ZBBZ.F emphasize?
ZAAA is most exposed to Industrials, Non-Corporate, and Finance. ZBBZ.F is most exposed to Industrials, Finance, and Non-Corporate.
Which ETF is attracting more investor flows: ZAAA or ZBBZ.F?
Year to date, ZAAA has seen +$27.17 M in net flows, compared with +$259.95 M for ZBBZ.F. ZBBZ.F has attracted more net investor money so far.
How do the fees of ZAAA and ZBBZ.F compare?
ZAAA has an expense ratio of 0.23%, while ZBBZ.F has an expense ratio of 0.45%.
What are the top holdings of ZAAA and ZBBZ.F?
ZAAA's largest holdings include Magnetite CLO, 2026-55A, FRN 15apr2039, USD (ABS, A1) and AIMCO CLO 2026-27A, FRN 20apr2039, USD (ABS, A1). ZBBZ.F's top 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).
Which ETF is more diversified: ZAAA or ZBBZ.F?
ZAAA holds 153 securities, while ZBBZ.F holds 75. On holdings count, ZAAA is the more diversified portfolio.
Recent articles about ZAAA and ZBBZ.F
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