FSMB vs SUB
First Trust Short Duration Managed Municipal ETF against iShares Short-Term National Muni Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
0%
5 shared positions
Fee gap
48 bp
SUB is cheaper
1-year return gap
1.3 pts
SUB is ahead
Larger fund
SUB
$13.0B
Side by side
| FSMB | SUB | |
|---|---|---|
| Fund | First Trust Short Duration Managed Municipal ETF | iShares Short-Term National Muni Bond ETF |
| Issuer | First Trust | iShares |
| Category | Short Muni | Short Muni |
| Expense ratio | 0.55% | 0.07% |
| Assets | $642M | $13.0B |
| Average daily dollar volume | $6.2M | $156M |
| Listed | Nov 1, 2018 | Nov 5, 2008 |
| FrenzyCap score | 50 | 98 |
| 1-month return | −0.4% | +0.3% |
| 3-month return | −1.0% | −0.3% |
| Year to date | −2.1% | −1.2% |
| 1-year return | −2.4% | −1.1% |
| 30-day volatility | 3.5% | 2.4% |
| Worst drawdown, 1 year | −4.2% | −3.1% |
| Trailing 12-month yield | 3.24% | 2.58% |
| Holdings | 583 | 3,112 |
| Top 10 weight | 6.6% | 2.5% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$26M thru Jul 2026 | +$479M thru May 2026 |
| 30-day implied volatility | 19.2% | — |
| Holdings as of | as of Oct 20, 2026issuer data | 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
1% of FSMB · 0% of SUB| Holding | FSMB | SUB |
|---|---|---|
| ILLINOIS ST 5%, due 11/01/2029 | 0.37% | 0.13% |
| PENNSYLVANIA ST 5%, due 09/15/2027 | 0.06% | 0.12% |
| ILLINOIS ST N/C, 5%, due 05/01/2028 | 0.04% | 0.04% |
| CONNECTICUT ST N/C, 5%, due 10/15/2029 | 0.12% | 0.02% |
| NEW JERSEY ST ECON DEV AUTH REV N/C, 5%, due 11/01/2026 | 0.09% | 0.01% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · FSMB holdings · SUB 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.