Top holdings

MFS Institutional Money Market Portfolio 2.2%

Tender Option Bond Trust Receipts/Certificates 1.4%

Montgomery County Industrial Development Authority/PA 0.9%

New York Liberty Development Corp 0.9%

State of Illinois 0.9%

Chicago O'Hare International Airport 0.9%

Williamsburg Economic Development Authority 0.8%

Columbus Regional Airport Authority 0.8%

Mohegan Tribal Finance Authority 0.8%

District of Columbia 0.8%

CMU