ZMUN · F/m Ultrashort Tax-Free Municipal ET ETF
RBB Fund, Inc.
$49.93
-0.17%
At close · Sep 4
Net assets $27,025,075
Holdings158
1 month
-0.19%
Year to date
+1.92%
52-week range
$49.77–$50.51
30-session avg volume
5,993
Market performance
Adjusted close · up to five years
Fund profile
- Structure
- Open-end / ETF
- SEC series
- S000091541
- Report date
- May 31, 2026
- Holdings coverage
- Full reported portfolio
Portfolio concentration
Top 10 holdings32.43%
Calculated only when the SEC filing is stored with complete portfolio coverage.
Asset allocation
DBT96.04%
STIV10.13%
Country allocation
US106.17%
Portfolio holdings
Latest linked SEC Form NPORT-P report.
| Holding | Ticker / CUSIP | Value | Weight |
|---|---|---|---|
| BlackRock Liquidity Funds Muni | 09248U841 | $2,738,053 | 10.13% |
| SOUTH DAKOTA ST HLTH & EDUCTNL | 83755VWA8 | $1,000,295 | 3.70% |
| NEW YORK ST DORM AUTH ST PERSO | 64990E3C9 | $753,275 | 2.79% |
| UNIV OF KENTUCKY KY GEN RECPTS | 914378ME1 | $734,999 | 2.72% |
| GREAT LAKES MI WTR AUTH WTR SP | 39081JAG3 | $701,671 | 2.60% |
| LEE CNTY FL SCH BRD COPS | 523494PR7 | $646,805 | 2.39% |
| ILLINOIS ST | 452152A43 | $601,325 | 2.23% |
| NORTH CAROLINA ST MUNI PWR AGY | 658203X41 | $585,850 | 2.17% |
| WASHINGTON ST | 93974DYF9 | $502,065 | 1.86% |
| LOS ANGELES CNTY CA PUBLIC WKS | 54473ERF3 | $500,931 | 1.85% |
| WISCONSIN ST HLTH & EDUCTNL FA | 97712DRA6 | $500,696 | 1.85% |
| SAN JOSE CA EVERGREEN CMNTY CL | 798189LW4 | $500,331 | 1.85% |
| HOUSTON TX UTILITY SYS REVENUE | 4424355W9 | $500,312 | 1.85% |
| NEVADA ST HIGHWAY IMPT REVENUE | 641480HZ4 | $425,592 | 1.57% |
| MASSACHUSETTS ST WTR RESOURCES | 576051S49 | $421,633 | 1.56% |
| MICHIGAN ST FIN AUTH REVENUE | 59447TND1 | $400,495 | 1.48% |
| ILLINOIS ST FIN AUTH REVENUE | 45204EHB7 | $375,326 | 1.39% |
| NEW JERSEY ST EDUCTNL FACS AUT | 6460668B9 | $370,545 | 1.37% |
| BRYAN CNTY GA SCH DIST | 117497CF2 | $351,271 | 1.30% |
| CALIFORNIA ST HLTH FACS FING A | 13032UBC1 | $306,208 | 1.13% |
| HOUSTON TX INDEP SCH DIST | 442403KZ3 | $300,461 | 1.11% |
| NEW JERSEY ST HLTH CARE FACS F | 645790AL0 | $300,455 | 1.11% |
| YUCAIPA VLY WTR DIST FING AUTH | 98840BBG7 | $300,040 | 1.11% |
| EAST CNTY ADVANCED WTR PURIFIC | 271843AC8 | $275,186 | 1.02% |
| HONOLULU CITY & CNTY HI WSTWTR | 438701H23 | $265,589 | 0.98% |
| RHODE ISLAND COMMERCE CORP REV | 762232AQ9 | $250,366 | 0.93% |
| MARYSVILLE CA JT UNIF SCH DIST | 574344QA8 | $250,299 | 0.93% |
| STOCKTON CA PUBLIC FING AUTH L | 86139RAQ6 | $250,220 | 0.93% |
| OZARK MO COPS | 69263RCG0 | $250,116 | 0.93% |
| TROY AL | 897285LN0 | $250,057 | 0.93% |
| UNIV OF AKRON OH | 914023KJ4 | $245,346 | 0.91% |
| UNIV OF LOUISVILLE KY | 914391M46 | $225,081 | 0.83% |
| INDIANA ST FIN AUTH REVENUE | 45506DUH6 | $225,061 | 0.83% |
| NEW HAVEN CA UNIF SCH DIST | 645002A30 | $220,903 | 0.82% |
| NEW HAVEN CA UNIF SCH DIST | 645002A48 | $215,489 | 0.80% |
| SOUTH CENTRAL CT REGL WTR AUTH | 8372273W5 | $205,675 | 0.76% |
| LONG ISLAND NY PWR AUTH ELEC S | 5426908D7 | $201,065 | 0.74% |
| IRVINE CA FACS FING AUTH LEASE | 46360XAF1 | $200,516 | 0.74% |
| N E TRAVIS CNTY TX UTILITY DIS | 664387MJ3 | $200,128 | 0.74% |
| AUBREY TX INDEP SCH DIST | 050195SA5 | $190,071 | 0.70% |
| CONNECTICUT ST | 20772JU42 | $190,006 | 0.70% |
| MCALLISTER ACADEMIC VLG LLC AZ | 579173CE3 | $185,286 | 0.69% |
| WISCONSIN ST HLTH & EDUCTNL FA | 97712DQH2 | $180,184 | 0.67% |
| WEST WILSON TN UTILITY DIST WT | 956876KK1 | $180,105 | 0.67% |
| VIRGINIA ST CMWLTH TRANSPRTN B | 92778UBD1 | $176,064 | 0.65% |
| HILLSBOROUGH CNTY FL SCH BRD C | 43232VTR2 | $175,245 | 0.65% |
| SOUTH CAROLINA ST PUBLIC SVC A | 83715BCW5 | $170,159 | 0.63% |
| FAIRFAX CNTY VA ECON DEV AUTH | 30383BCG2 | $165,029 | 0.61% |
| ANTELOPE VLY-E KERN CA WTR AGY | 03672YAQ9 | $160,000 | 0.59% |
| JEFFERSON CA UNION HIGH SCH DI | 472466S93 | $150,592 | 0.56% |