DMO vs MBB
Western Asset Mortgage Opportunity Fund Inc. against iShares MBS ETF: cost, size, returns, what they hold and how much of it is the same.
Fee gap
—
same fee
1-year return gap
16.0 pts
MBB is ahead
Larger fund
MBB
$35.6B
Side by side
| DMO | MBB | |
|---|---|---|
| Fund | Western Asset Mortgage Opportunity Fund Inc. | iShares MBS ETF |
| Issuer | Franklin Templeton | iShares |
| Category | Mortgage & Securitized | Mortgage & Securitized |
| Expense ratio | — | 0.04% |
| Assets | $109M | $35.6B |
| Average daily dollar volume | $757K | $719M |
| Listed | Feb 24, 2010 | Mar 13, 2007 |
| FrenzyCap score | 33 | 98 |
| 1-month return | +0.6% | +1.3% |
| 3-month return | −8.2% | −2.3% |
| Year to date | −13.4% | −3.9% |
| 1-year return | −20.6% | −4.5% |
| 30-day volatility | 15.9% | 6.9% |
| Worst drawdown, 1 year | −22.4% | −8.1% |
| Trailing 12-month yield | — | 4.45% |
| Holdings | — | 10,821 |
| Top 10 weight | — | 5.9% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | — | +$1.6B thru Aug 2026 |
| 30-day implied volatility | — | 8.9% |
| Holdings as of | as of Oct 23, 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 · DMO holdings · MBB 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.