HIMU vs NMZ
iShares High Yield Muni Active ETF against Nuveen Municipal High Income Opportunity Fund: cost, size, returns, what they hold and how much of it is the same.
Fee gap
—
same fee
1-year return gap
9.0 pts
HIMU is ahead
Larger fund
HIMU
$2.6B
Side by side
| HIMU | NMZ | |
|---|---|---|
| Fund | iShares High Yield Muni Active ETF | Nuveen Municipal High Income Opportunity Fund |
| Issuer | iShares | Nuveen |
| Category | High Yield Muni | High Yield Muni |
| Expense ratio | 0.39% | — |
| Assets | $2.6B | $1.9B |
| Average daily dollar volume | $58M | $14M |
| Listed | Aug 1, 2006 | Nov 20, 2003 |
| FrenzyCap score | 65 | 77 |
| 1-month return | −0.9% | −3.8% |
| 3-month return | −4.5% | −12.7% |
| Year to date | −4.9% | −11.9% |
| 1-year return | −6.2% | −15.2% |
| 30-day volatility | 9.0% | 20.9% |
| Worst drawdown, 1 year | −9.8% | −18.4% |
| Trailing 12-month yield | 5.54% | — |
| Holdings | 1,006 | — |
| Top 10 weight | 13.0% | — |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$350M thru Jul 2026 | — |
| 30-day implied volatility | — | — |
| Holdings as of | as of Oct 20, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
More: full overlap table · HIMU holdings · NMZ holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.