DMBS vs MBB
DoubleLine Mortgage ETF against iShares MBS ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
0%
6 shared positions
Fee gap
35 bp
MBB is cheaper
1-year return gap
1.1 pts
MBB is ahead
Larger fund
MBB
$35.2B
Side by side
| DMBS | MBB | |
|---|---|---|
| Fund | DoubleLine Mortgage ETF | iShares MBS ETF |
| Issuer | DoubleLine | iShares |
| Category | Mortgage & Securitized | Mortgage & Securitized |
| Expense ratio | 0.39% | 0.04% |
| Assets | $705M | $35.2B |
| Average daily dollar volume | $5.3M | $690M |
| Listed | Mar 31, 2023 | Mar 13, 2007 |
| FrenzyCap score | 55 | 98 |
| 1-month return | −1.5% | −1.0% |
| 3-month return | −3.2% | −2.5% |
| Year to date | −6.0% | −4.9% |
| 1-year return | −6.7% | −5.7% |
| 30-day volatility | 6.3% | 6.7% |
| Worst drawdown, 1 year | −8.9% | −8.1% |
| Trailing 12-month yield | 5.61% | 4.50% |
| Holdings | 193 | 10,818 |
| Top 10 weight | 39.5% | 6.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$15M thru Jun 2026 | −$179M thru May 2026 |
| 30-day implied volatility | — | 7.8% |
| Holdings as of | as of Jun 30, 2026SEC filing | 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.
Largest shared holdings
2% of DMBS · 0% of MBB| Holding | DMBS | MBB |
|---|---|---|
| FNMA 2%, due Feb 1, 2052 | 0.40% | 0.22% |
| FHLMC Pool 5.5%, due Oct 1, 2054 | 0.32% | 0.12% |
| FNMA 5%, due Jun 1, 2053 | 0.05% | 0.06% |
| FNMA 4.5%, due Sep 1, 2052 | 0.43% | 0.05% |
| FHLMC Pool 5.5%, due Sep 1, 2053 | 0.55% | 0.05% |
| FHLMC Pool 5%, due Jun 1, 2053 | 0.52% | 0.00% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · DMBS 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.