American Century ETF Trust. Holdings as of May 31, 2026, from Form N-PORT.
Share of net assets at the report date, for the whole fund across all share classes.
| Holding | Weight | Value | Shares or units |
|---|---|---|---|
| BlackRock Liquidity Funds MuniCash | 2.75% | $2.13M | 2,133,918 |
| San Francisco City & County Airport Comm-San Francisco International AirportBond | 2.06% | $1.60M | 1,600,000 |
| State of CaliforniaBond | 1.28% | $995.21K | 995,000 |
| Riverside County Transportation CommissionBond | 1.04% | $806.64K | 820,000 |
| Orange Unified School DistrictBond | 0.98% | $764.22K | 800,000 |
| State of CaliforniaBond | 0.97% | $753.50K | 745,000 |
| SCRIPPS HLTH OBLIG GRPBond | 0.95% | $735.01K | 675,000 |
| Puerto Rico Sales Tax Financing Corp Sales Tax RevenueBond | 0.90% | $698.01K | 700,000 |
| City of Manhattan Beach CABond | 0.89% | $693.73K | 670,000 |
| East County Advanced Water Purification Joint Powers AuthorityBond | 0.89% | $690.00K | 690,000 |
| California Community Choice Financing AuthorityBond | 0.84% | $654.84K | 600,000 |
| THE IGNATIAN CORPORATIONBond | 0.80% | $623.06K | 600,000 |
| LUCILE S PACKARD CHLD HSPBond | 0.79% | $614.92K | 530,000 |
| Desert Community College DistrictBond | 0.75% | $585.78K | 550,000 |
| Los Angeles Unified School District/CABond | 0.75% | $584.15K | 500,000 |
| California State Public Works BoardBond | 0.74% | $571.92K | 500,000 |
| California Community Choice Financing AuthorityBond | 0.73% | $568.76K | 525,000 |
| COMMONSPIRIT HLTH OBLIGBond | 0.72% | $558.29K | 515,000 |
| East Bay Municipal Utility District Wastewater System RevenueBond | 0.72% | $558.11K | 520,000 |
| California Community Choice Financing AuthorityBond | 0.70% | $540.89K | 500,000 |
| California Community Choice Financing AuthorityBond | 0.70% | $540.89K | 500,000 |
| Guam Government Waterworks AuthorityBond | 0.69% | $539.70K | 500,000 |
| San Francisco City & County Airport Comm-San Francisco International AirportBond | 0.69% | $532.83K | 500,000 |
| California Community Choice Financing AuthorityBond | 0.68% | $530.56K | 500,000 |
| UNIVERSITY OF CALIFORNIABond | 0.68% | $528.55K | 500,000 |
| Lammersville Joint Unified School DistrictBond | 0.68% | $528.46K | 500,000 |
| Los Angeles Department of Water & PowerBond | 0.68% | $526.42K | 500,000 |
| Hastings Campus Housing Finance AuthorityBond | 0.68% | $526.41K | 590,000 |
| California Community Choice Financing AuthorityBond | 0.67% | $521.44K | 500,000 |
| San Diego Public Facilities Financing AuthorityBond | 0.67% | $517.24K | 460,000 |
| City of Roseville CABond | 0.66% | $512.70K | 500,000 |
| FOOTHILL OAK PARK APTSBond | 0.66% | $511.37K | 500,000 |
| United Airlines IncBond | 0.65% | $504.34K | 500,000 |
| Southern California Public Power AuthorityBond | 0.64% | $500.67K | 500,000 |
| CALIFORNIA BAPTIST UNIVBond | 0.64% | $500.29K | 500,000 |
| California Community Choice Financing AuthorityBond | 0.63% | $491.53K | 465,000 |
| Santa Clara County Financing AuthorityBond | 0.62% | $484.43K | 500,000 |
| Bay Area Toll AuthorityBond | 0.62% | $480.73K | 475,000 |
| San Diego Public Facilities Financing AuthorityBond | 0.61% | $472.65K | 450,000 |
| San Joaquin Hills Transportation Corridor AgencyBond | 0.59% | $460.46K | 500,000 |
| Alameda Corridor Transportation AuthorityBond | 0.58% | $452.12K | 450,000 |
| MILKEN COMMUNITY SCHOOLBond | 0.57% | $445.56K | 400,000 |
| Orange County Community Facilities DistrictBond | 0.57% | $440.89K | 425,000 |
| California Community Choice Financing AuthorityBond | 0.56% | $438.93K | 400,000 |
| HUMANGOOD CA OBLIG GROUPBond | 0.55% | $430.64K | 400,000 |
| San Francisco City & County Public Utilities Commission Wastewater RevenueBond | 0.53% | $410.18K | 395,000 |
| UNIVERSITY OF CALIFORNIABond | 0.53% | $409.83K | 360,000 |
| COMMONSPIRIT HLTH OBLIGBond | 0.52% | $404.45K | 400,000 |
| SCRIPPS COLLEGEBond | 0.52% | $401.62K | 375,000 |
| City of Dublin CABond | 0.52% | $401.55K | 390,000 |
Holdings from the fund's latest Form N-PORT; expense ratio (net of fee waivers) from the risk/return summary of its prospectus; fund type from Form N-CEN. Prices are end-of-day closes adjusted for splits; total return also reinvests distributions.