MFSM
MFS Active Intermediate Muni Bond ETF
MFS Active Exchange Traded Funds Trust
ETF

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
305
Top-10 weight
18.14%
Effective holdings ?
118
Crowding ?
73.1

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 State Street Navigator Securities Lending Portfolio II GVMXX 3,348,853 $3.35M 4.62%
2 ISHARES NATIONAL MUNI BOND ETF ISHARES NATIONAL MUNI BOND E MUB US 27,050 $2.95M 4.07%
3 VANGUARD TAX-EXM VTEB 57,600 $2.95M 4.07%
4 PASCO CNTY FL SOL WST DISP & RESOURCE RECOVERY SYS 665,000 $751.06K 1.04%
5 Kentucky Bond Development Corp., Series A 500,000 $575.94K 0.79%
6 CHERRY CREEK SD#5 500,000 $575.71K 0.79%
7 GTR ASHEVILLE REGL ARPT AUTH N REGD B/E AMT AG 5.25000000 500,000 $549.84K 0.76%
8 California Community Choice Financing Authority, Series F CCEDEV 500,000 $548.87K 0.76%
9 PENNSYLVANIA ST TURNPIKE COMMISSION TURNPIKE REVENUE 500,000 $548.84K 0.76%
10 PENNSYLVANIA ST ECON DEV FING REGD B/E AMT AG 5.50000000 500,000 $545.51K 0.75%
11 State of Minnesota 4.00% 08/01/2041 MNS 500,000 $519.78K 0.72%
12 NORTH ALLEGHENY PA SC 500,000 $517.39K 0.71%
13 NYC HSG DEV CORP-F-2 500,000 $505.96K 0.70%
14 SANTA NM 3.29% 12/10/2049 MT 500,000 $504.51K 0.70%
15 PENNSYLVANIA ST ECON DEV FING REGD B/E AMT 5.00000000 PASDEV 500,000 $502.49K 0.69%
16 CALIFORNIA COMMUNITY VAR CCEDEV 450,000 $488.22K 0.67%
17 BLACK BELT ENERGY GAS DIST AL GAS PROJECT REVENUE 425,000 $469.19K 0.65%
18 Fulton (County of), GA Development Authority (Georgia Institute of Technology), Series 2019, RB 430,000 $447.69K 0.62%
19 HOUSTON TX ARPT SYS REVENUE REGD B/E AMT 5.25000000 385,000 $444.15K 0.61%
20 Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2025B KYSPWR 370,000 $394.26K 0.54%
21 PROVIDENCE RI PUBLIC BLDGS AUTH REVENUE 375,000 $385.26K 0.53%
22 ROCKLAND CNTY NY SOL WST MGMT AUTH 340,000 $381.50K 0.53%
23 MAIN STR NAT GA 5% MT MAIUTL 345,000 $378.78K 0.52%
24 Los Angeles (City of), CA Department of Airports (Los Angeles International Airport), Series 2018 A, RB 350,000 $365.36K 0.50%
25 N ORLEANS AVIAT 5% 1/1/2036@ 355,000 $360.16K 0.50%
26 METROHEALTH SYSTEM 5.5% 02-15-52 350,000 $346.52K 0.48%
27 COOK CNTY IL CMNTY SCH DIST #152 1/2 HAZEL CREST 300,000 $344.32K 0.48%
28 Omaha Airport Authority 300,000 $337.13K 0.47%
29 PUBLIC FIN AUTH WI REVENUE 310,000 $337.08K 0.47%
30 STHRN ILLINOIS ST UNIV 310,000 $333.78K 0.46%
31 CENTRL TX REGL MOBILITY AUTH REVENUE 320,000 $333.30K 0.46%
32 PUERTO RICO ELEC PWR AUTH PWRREVENUE 325,000 $332.26K 0.46%
33 Miami County Unified School District No 367 Osawatomie 5.250% 09/01/2042 MIASCD 300,000 $328.44K 0.45%
34 CHESAPEAKE VA HOSP AUTH HOSP FAC REVENUE 320,000 $325.17K 0.45%
35 PK CREEK MET DIST-REF 300,000 $321.07K 0.44%
36 LAWTON OK INDL DEV AUTH SALES TAX REVENUE 300,000 $320.87K 0.44%
37 RAMPART RANGE CO MET DIST #1 LIMITED TAX SUPPORTED & SPL REV 300,000 $317.77K 0.44%
38 MASSACHUSETTS ST EDUCTNL FING AUTH 300,000 $317.10K 0.44%
39 PENNSYLVANIA ST ECON DEV FING PASMED 03/60 ADJUSTABLE VAR 280,000 $310.81K 0.43%
40 GRAND PKWY TRANSPRTN 300,000 $310.07K 0.43%
41 RESTRUCTURED-SER A1 PRC 300,000 $306.98K 0.42%
42 MAINE HLTH & HGR EDUCTNL FACS AUTH REVENUE 300,000 $302.36K 0.42%
43 COMMERCE SCHOOL DISTRICT 250,000 $300.07K 0.41%
44 UT SALAPT 5 07/01/2042 SALAPT 295,000 $299.72K 0.41%
45 METROCARE SERVICES TX REVENUE 275,000 $297.00K 0.41%
46 GRAND RIVER CO HOSP DIST 250,000 $294.96K 0.41%
47 New York Transportation Development Corp., Series 2025 250,000 $289.84K 0.40%
48 SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTH FACS REVENUE 260,000 $286.18K 0.40%
49 WYOMING MI PUBLIC SCHS 250,000 $283.50K 0.39%
50 MASSACHUSET REV 5% 7/1/2041 250,000 $282.73K 0.39%
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