MUB vs TFI
iShares National Muni Bond ETF against State Street SPDR Nuveen ICE Municipal Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
7%
458 shared positions
Fee gap
18 bp
MUB is cheaper
1-year return gap
0.9 pts
MUB is ahead
Larger fund
MUB
$52.1B
Side by side
| MUB | TFI | |
|---|---|---|
| Fund | iShares National Muni Bond ETF | State Street SPDR Nuveen ICE Municipal Bond ETF |
| Issuer | iShares | State Street SPDR |
| Category | National Muni | National Muni |
| Expense ratio | 0.05% | 0.23% |
| Assets | $52.1B | $2.9B |
| Average daily dollar volume | $1.8B | $73M |
| Listed | Sep 7, 2007 | Sep 11, 2007 |
| FrenzyCap score | 99 | 82 |
| 1-month return | −0.3% | −0.5% |
| 3-month return | −2.7% | −3.3% |
| Year to date | −4.3% | −5.2% |
| 1-year return | −4.7% | −5.6% |
| 30-day volatility | 6.3% | 6.7% |
| Worst drawdown, 1 year | −7.9% | −8.8% |
| Trailing 12-month yield | 3.33% | 3.73% |
| Holdings | 7,665 | 2,026 |
| Top 10 weight | 1.2% | 1.9% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$2.4B thru May 2026 | +$54M thru Jun 2026 |
| 30-day implied volatility | 7.5% | 6.3% |
| 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
8% of MUB · 24% of TFI| Holding | MUB | TFI |
|---|---|---|
| OKLAHOMA TRANSN AUTH OK F/K/A 5.5%, due Jan 1, 2053 | 0.12% | 0.08% |
| CHICAGO ILL TRAN AUTH SALES TA 5%, due Dec 1, 2049 | 0.09% | 0.07% |
| TRIBOROUGH BRDG & TUNL AUTH N 5%, due May 15, 2051 | 0.09% | 0.07% |
| MASSACHUSETTS ST 5%, due May 1, 2054 | 0.09% | 0.07% |
| NORTHWEST TEX INDPT SCH DIST 5.25%, due Feb 15, 2055 | 0.13% | 0.06% |
| NEW YORK ST URBAN DEV CORP REV 4%, due Mar 15, 2049 | 0.07% | 0.06% |
| PROSPER TEX INDPT SCH DIST 4%, due Feb 15, 2054 | 0.07% | 0.06% |
| DISTRICT COLUMBIA INCOME TAX R 5.5%, due Jul 1, 2047 | 0.06% | 0.12% |
| NEW YORK ST TWY AUTH GEN REV J 4%, due Jan 1, 2045 | 0.06% | 0.07% |
| UNIVERSITY CALIF REVS 4%, due May 15, 2047 | 0.06% | 0.06% |
| CALIFORNIA EDL FACS AUTH REV 5%, due Mar 1, 2035 | 0.05% | 0.10% |
| METROPOLITAN TRANSN AUTH N Y R 5%, due Nov 15, 2050 | 0.05% | 0.06% |
| NEW YORK N Y 5%, due Aug 1, 2029 | 0.05% | 0.18% |
| METROPOLITAN TRANSN AUTH N Y R 5%, due Nov 15, 2039 | 0.05% | 0.06% |
| UNIVERSITY OF CALIFORNIA 5.25%, due May 15, 2038 | 0.05% | 0.14% |
| MARYLAND (STATE OF) 5%, due Jun 1, 2037 | 0.05% | 0.08% |
| CALIFORNIA EDL FACS AUTH REV 5%, due Oct 1, 2055 | 0.09% | 0.05% |
| DISTRICT COLUMBIA UNIV REV 5%, due Apr 3, 2035 | 0.09% | 0.05% |
| NEW YORK N Y CITY MUN WTR FIN 5.25%, due Jun 15, 2047 | 0.09% | 0.05% |
| NEW JERSEY ST 4%, due Jun 1, 2030 | 0.07% | 0.05% |
| NEW YORK N Y 5%, due Mar 1, 2044 | 0.05% | 0.05% |
| PHILADELPHIA PA WTR & WASTEWTR 5%, due Oct 1, 2042 | 0.05% | 0.05% |
| LOWER COLO RIV AUTH TEX TRANSM 5.25%, due May 15, 2054 | 0.05% | 0.05% |
| UNIVERSITY CALIF REVS 5%, due May 15, 2048 | 0.04% | 0.07% |
| ILLINOIS MUN ELEC AGY PWR SUPP 5%, due Feb 1, 2034 | 0.04% | 0.05% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · MUB holdings · TFI 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.