ZMUN
F/m Ultrashort Tax-Free Municipal ET
RBB Fund, Inc.

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Nov 30, 2025 → Feb 28, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
IL ST FIN CHICAGO ART INSTITUTE 5.0% 03-01-30 0 375,000 375,000 3.29% $375.37K
HOUSTON ISD-A-REF 0 300,000 300,000 2.63% $300.59K
State of Connecticut 0 190,000 190,000 1.67% $190.18K
Aubrey Independent School District 0 190,000 190,000 1.67% $190.15K
Fairfax County Economic Development Authority 0 165,000 165,000 1.45% $165.21K
Minnesota (State of) Public Facilities Authority, Series 2016 A, RB 0 105,000 105,000 0.92% $105.16K
Madison County Board of Education/AL 0 100,000 100,000 0.88% $100.21K
City of Worcester MA 0 100,000 100,000 0.88% $100.10K
Brazoria-Fort Bend County Municipal Utility District No 1 0 100,000 100,000 0.88% $100.07K
BEXAR CNTY TX HOSP DIST 0 95,000 95,000 0.83% $95.18K
City of Lafayette LA Sales & Use Tax Revenue 0 95,000 95,000 0.83% $95.12K
City of Rocky Mount NC 0 90,000 90,000 0.79% $90.21K
Sangamon & Christian Counties Community Unit School District No 3A Rochester 0 80,000 80,000 0.70% $80.07K
NY ST UDC PIT REV 16A 5.0% 03-15-30 0 75,000 75,000 0.66% $75.14K
Richardson Independent School District 0 75,000 75,000 0.66% $75.11K
Southern Platte Fire Protection District/MO 0 75,000 75,000 0.66% $75.07K
Taylor Independent School District/TX 0 70,000 70,000 0.61% $70.07K
NEW YORK ST URBAN DEV 0 65,000 65,000 0.57% $65.12K
ALBANY CO 0 60,000 60,000 0.53% $60.14K
South Orange County Public Financing Authority 0 55,000 55,000 0.48% $55.13K
NEW YORK-REF-C 0 50,000 50,000 0.44% $50.10K
LAS VEGAS NV 0 50,000 50,000 0.44% $50.10K
FLORIDA INSURANCE ASSISTANCE INTERLOCAL AGY 0 50,000 50,000 0.44% $50.09K
Texas Water Development Board, Series A 0 50,000 50,000 0.44% $50.05K
Town of Westlake TX 0 50,000 50,000 0.44% $50.04K
HAWAII CNTY HI COUNTY OF HAWAII HI 0 50,000 50,000 0.44% $50.04K
Metropolitan Council, Series 2019A 0 50,000 50,000 0.44% $50.04K
OAKLAND UNIV BRD TRUS 0 40,000 40,000 0.35% $40.08K
St. Charles County School District No. R-IV Wentzville 0 40,000 40,000 0.35% $40.05K
California (State of) Infrastructure & Economic Development Bank (Clean Water Revolving Fund) (Green Bonds), Series 2016, RB 0 35,000 35,000 0.31% $35.08K
City of Pearland TX, Series 2021, GO Bonds 0 35,000 35,000 0.31% $35.06K
Florida Higher Educational Facilities Financing Authority 0 35,000 35,000 0.31% $35.06K
Town of Manchester CT 0 35,000 35,000 0.31% $35.05K
VENTURA COUNTY COMMUNITY COLLEGE DISTRICT 0 30,000 30,000 0.26% $30.06K
SWEETWATER UNION HIGH SCHOOL DISTRICT 5.0% 08-01-32 0 30,000 30,000 0.26% $30.06K
City of Burleson TX 0 30,000 30,000 0.26% $30.06K
Madison County Board of Education/AL 0 30,000 30,000 0.26% $30.06K
HOUSTON UTL SYS-D-REF 0 30,000 30,000 0.26% $30.03K
Denver West Metropolitan District 0 30,000 30,000 0.26% $30.02K
Public Finance Authority 0 25,000 25,000 0.22% $25.03K
County of Stark OH 0 25,000 25,000 0.22% $25.03K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
Wayne County Airport Authority 325,000 0 -325,000 0.00% -$325.07K
Chicago O'Hare International Airport 245,000 0 -245,000 0.00% -$245.29K
Paris Independent School District/TX 240,000 0 -240,000 0.00% -$240.04K
Chicago O'Hare International Airport, General Airport, Senior Lien, Series C 225,000 0 -225,000 0.00% -$225.36K
N TX TOLLWAY AUTH REV 215,000 0 -215,000 0.00% -$215.33K
Utility Debt Securitization Authority 200,000 0 -200,000 0.00% -$200.17K
Burleson Independent School District 140,000 0 -140,000 0.00% -$140.21K
Pierce County School District No 3 Puyallup 115,000 0 -115,000 0.00% -$115.07K
CHICAGO OHARE SER C 5% 1/1/2033 100,000 0 -100,000 0.00% -$100.12K
King County School District No 409 Tahoma 100,000 0 -100,000 0.00% -$100.08K
Centre County Hospital Authority 100,000 0 -100,000 0.00% -$100.04K
Wayne County Airport Authority 100,000 0 -100,000 0.00% -$100.02K
Allegheny County Sanitary Authority 100,000 0 -100,000 0.00% -$100.00K
WASHINGTON ST-REF 60,000 0 -60,000 0.00% -$60.11K
City of Wylie TX 60,000 0 -60,000 0.00% -$60.09K
City of Rock Hill SC Combined Utility System Revenue 55,000 0 -55,000 0.00% -$55.09K
County of Nueces TX 55,000 0 -55,000 0.00% -$55.08K
Northwest Independent School District 50,000 0 -50,000 0.00% -$50.08K
St Charles County Public Water Supply District No 2 50,000 0 -50,000 0.00% -$50.08K
Utility Debt Securitization Authority, Series 2015 50,000 0 -50,000 0.00% -$50.04K
County of King WA 50,000 0 -50,000 0.00% -$50.04K
Pennsylvania Turnpike Commission 50,000 0 -50,000 0.00% -$50.00K
Pennsylvania Turnpike Commission 50,000 0 -50,000 0.00% -$50.00K
State of Washington, State and Local Agency Real and Personal Property, Series 2015C 40,000 0 -40,000 0.00% -$40.07K
USF Financing Corp 40,000 0 -40,000 0.00% -$40.05K
University of Oklahoma/The 40,000 0 -40,000 0.00% -$40.04K
Omaha Public Power District, Series 2016A 35,000 0 -35,000 0.00% -$35.13K
N TX TOLLWAY AUTH REVENUE REGD B/E 5.00000000 25,000 0 -25,000 0.00% -$25.03K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
NORTH CAROLINA ST MUNI PWR AGY #1 CATAWBA ELEC REVENUE 385,000 585,000 200,000 5.15% $202.09K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
BLKR-LI MUNI-INS 49,480 46,671 -2,809 0.41% -$2.81K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
State of Illinois 600,000 600,000 0 5.27% $877
Los Angeles County Public Works Financing Authority 5.00% 12/01/2027 500,000 500,000 0 4.39% $139
City of Houston TX Combined Utility System Revenue 500,000 500,000 0 4.39% $214
San Jose Evergreen Community College District 500,000 500,000 0 4.39% $120
Michigan Finance Authority 400,000 400,000 0 3.51% $80
New Jersey Educational Facilities Authority 370,000 370,000 0 3.25% $812
CALIFORNIA ST HLTH FACS FING AUTH REVENUE 305,000 305,000 0 2.68% $76
Adams & Weld Counties School District No 27J Brighton/CO 300,000 300,000 0 2.63% $121
City of Ozark MO 250,000 250,000 0 2.19% $117
City of Troy AL 250,000 250,000 0 2.19% $126
Indiana Finance Authority 225,000 225,000 0 1.97% $72
Northeast Travis County Utility District/TX 200,000 200,000 0 1.75% $88
GROSSMONT UNION HIGH SCHOOL DISTRICT 150,000 150,000 0 1.32% $113
Tradition Community Development District No 1 145,000 145,000 0 1.27% $64
Columbus Metropolitan Housing Authority 135,000 135,000 0 1.18% $81
City of Brentwood MO 100,000 100,000 0 0.88% $114
CTR TX RMA 5% 1/1/2027 100,000 100,000 0 0.88% $189
Los Angeles County Public Works Financing Authority 100,000 100,000 0 0.88% $43
University of Hawaii 100,000 100,000 0 0.88% $61
City of Springfield IL 100,000 100,000 0 0.88% $50
Chilton County Health Care Authority 100,000 100,000 0 0.88% $38
Dobbs Ferry Local Development Corp 100,000 100,000 0 0.88% $44
Clark County School District 100,000 100,000 0 0.88% $26
Missouri Public Utilities Commission 100,000 100,000 0 0.88% -$30
Pierce County Fire Protection District No 6 100,000 100,000 0 0.88% $23
Los Angeles County Public Works Financing Authority 95,000 95,000 0 0.83% $47
TEXAS ST-B-REF 95,000 95,000 0 0.83% $31
PENNSYLVANIA ST 85,000 85,000 0 0.74% -$100
King County School District No. 403 Renton, Series 2016 75,000 75,000 0 0.66% $30
TEXAS WTR DEV BRD-A 75,000 75,000 0 0.66% $30
City of San Juan TX 75,000 75,000 0 0.66% $58
Illinois Finance Authority 75,000 75,000 0 0.66% $19
University of Hawaii 65,000 65,000 0 0.57% $35
IL TOLL HWY AUTH-B 60,000 60,000 0 0.53% $22
MICHIGAN ST HSG DEV AUTH RENTAL HSG REVENUE 60,000 60,000 0 0.53% $18
Mississippi Valley State University Educational Building Corp 60,000 60,000 0 0.53% $31
Texas Water Development Board, State Water Implementation Fund, Series A 55,000 55,000 0 0.48% $22
Louisiana Public Facilities Authority 55,000 55,000 0 0.48% $19
San Francisco City & County Public Utilities Commission Wastewater Revenue 50,000 50,000 0 0.44% $23
Southern California Public Power Authority, Series 2015C 50,000 50,000 0 0.44% $25
Skyland Metropolitan District 50,000 50,000 0 0.44% $22
Alachua County Health Facilities Authority 50,000 50,000 0 0.44% $31
State of Hawaii 50,000 50,000 0 0.44% $23
Charlotte-Mecklenburg Hospital Authority/The 50,000 50,000 0 0.44% -$8
NJ EDA REV 4.375% 6/15/2027 50,000 50,000 0 0.44% $14
Louisiana Public Facilities Authority 50,000 50,000 0 0.44% $17
Georgia Higher Education Facilities Authority 50,000 50,000 0 0.44% $36
Cedar Port Navigation & Improvement District 50,000 50,000 0 0.44% $33
CA PUBLIC WKS BRD-F 45,000 45,000 0 0.40% $94
East Cherry Creek Valley Water and Sanitation District 45,000 45,000 0 0.39% $22
Nevada Joint Union High School District 40,000 40,000 0 0.35% $12
Elmore County Board of Education 35,000 35,000 0 0.31% $10
Boulder Larimer & Weld Counties St Vrain Valley School District Re1J 25,000 25,000 0 0.22% -$46
Fridley Independent School District No 14 25,000 25,000 0 0.22% -$37
St Michael-Albertville Independent School District No 885 25,000 25,000 0 0.22% -$8

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