SUB vs VSDM
iShares Short-Term National Muni Bond ETF against Vanguard Short Duration Tax-Exempt Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
3%
168 shared positions
Fee gap
5 bp
SUB is cheaper
1-year return gap
0.9 pts
SUB is ahead
Larger fund
SUB
$13.0B
Side by side
| SUB | VSDM | |
|---|---|---|
| Fund | iShares Short-Term National Muni Bond ETF | Vanguard Short Duration Tax-Exempt Bond ETF |
| Issuer | iShares | Vanguard |
| Category | Short Muni | Short Muni |
| Expense ratio | 0.07% | 0.12% |
| Assets | $13.0B | $831M |
| Average daily dollar volume | $156M | $35M |
| Listed | Nov 5, 2008 | Nov 21, 2024 |
| FrenzyCap score | 98 | 83 |
| 1-month return | +0.3% | 0.0% |
| 3-month return | −0.3% | −1.0% |
| Year to date | −1.2% | −1.8% |
| 1-year return | −1.1% | −2.0% |
| 30-day volatility | 2.4% | 3.4% |
| Worst drawdown, 1 year | −3.1% | −4.5% |
| Trailing 12-month yield | 2.58% | 3.15% |
| Holdings | 3,112 | 3,626 |
| Top 10 weight | 2.5% | 3.9% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$479M thru May 2026 | +$234M thru Jul 2026 |
| 30-day implied volatility | — | — |
| 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
7% of SUB · 5% of VSDM| Holding | SUB | VSDM |
|---|---|---|
| FORT BEND TEX INDPT SCH DIST 4%, due Aug 1, 2027 | 0.14% | 0.12% |
| ILLINOIS ST 5%, due Nov 1, 2028 | 0.10% | 0.21% |
| CHICAGO ILL WTR REV 5%, due Nov 1, 2030 | 0.10% | 0.12% |
| ILLINOIS ST 5%, due Nov 1, 2029 | 0.13% | 0.10% |
| UNIVERSITY WASH UNIV REVS 4%, due Aug 1, 2027 | 0.10% | 0.09% |
| BAY AREA TOLL AUTH CALIF TOLL 2%, due Apr 1, 2028 | 0.26% | 0.07% |
| CALIFORNIA (STATE OF) 5%, due Aug 1, 2028 | 0.07% | 0.08% |
| ROUND ROCK TEX INDPT SCH DIST 5%, due Aug 1, 2031 | 0.08% | 0.07% |
| METROPOLITAN TRANSN AUTH N Y R 5%, due May 15, 2030 | 0.07% | 0.26% |
| NEW JERSEY ECONOMIC DEVELOPMENT AU 5%, due Jun 15, 2031 | 0.08% | 0.06% |
| TEXAS TRANSPORTATION COMMISSION 5%, due Oct 1, 2028 | 0.06% | 0.07% |
| SAN ANTONIO TEX ELEC & GAS REV 3.2%, due Dec 1, 2030 | 0.11% | 0.05% |
| NEBRASKA PUB PWR DIST REV 5%, due Jul 1, 2031 | 0.07% | 0.04% |
| SAN ANTONIO TEX ELEC & GAS REV 3%, due Dec 1, 2029 | 0.04% | 0.08% |
| NEW YORK CITY OF 5%, due Aug 1, 2031 | 0.06% | 0.04% |
| CALIFORNIA (STATE OF) 5%, due Aug 1, 2027 | 0.04% | 0.07% |
| MASSACHUSETTS ST DEV FIN AGY R 5%, due Feb 15, 2031 | 0.12% | 0.04% |
| NEW YORK N Y 5%, due Aug 1, 2031 | 0.06% | 0.04% |
| CALIFORNIA (STATE OF) 5%, due Aug 1, 2030 | 0.04% | 0.07% |
| METROPOLITAN TRANSPORTATION AUTHOR 5%, due Nov 15, 2029 | 0.07% | 0.04% |
| PENNSYLVANIA ST TURNPIKE COMMISSIO 5%, due Dec 1, 2031 | 0.03% | 0.03% |
| METROPOLITAN GOVT NASHVILLE & 5%, due Jan 1, 2031 | 0.08% | 0.03% |
| SAN ANTONIO TX 5%, due Feb 1, 2031 | 0.03% | 0.04% |
| NEW CANEY TEX INDPT SCH DIST 4%, due Aug 15, 2027 | 0.03% | 0.07% |
| LOWER COLO RIV AUTH TEX REV 5%, due May 15, 2028 | 0.03% | 0.17% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · SUB holdings · VSDM 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.