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 |
|---|---|---|---|
| Monolithic Power Systems IncMPWR | 8.20% | $8.16M | 5,212 |
| Cloudflare IncNET | 7.26% | $7.23M | 29,883 |
| Okta IncOKTA | 7.01% | $6.97M | 56,565 |
| Johnson Controls International plcJCI | 5.40% | $5.38M | 40,116 |
| Cadence Design Systems IncCDNS | 4.82% | $4.80M | 12,790 |
| WESCO International IncWCC | 4.68% | $4.66M | 12,891 |
| Targa Resources CorpTRGP | 4.51% | $4.49M | 17,597 |
| Vistra CorpVST | 4.13% | $4.11M | 25,624 |
| Hubbell IncHUBB | 3.84% | $3.82M | 8,071 |
| Vertiv Holdings CoVRT | 3.79% | $3.77M | 11,949 |
| Chipotle Mexican Grill IncCMG | 3.64% | $3.63M | 113,810 |
| MSCI IncMSCI | 3.50% | $3.48M | 5,518 |
| Alnylam Pharmaceuticals IncALNY | 3.19% | $3.18M | 10,523 |
| State Street Institutional US Government Money Market FundCash or money market | 2.90% | $2.89M | 2,888,551 |
| On Holding AG | 2.88% | $2.87M | 70,309 |
| Coupang IncCPNG | 2.54% | $2.53M | 152,119 |
| IDEXX Laboratories IncIDXX | 2.43% | $2.42M | 4,290 |
| Republic Services IncRSG | 2.38% | $2.37M | 11,837 |
| Cameco CorpCCJ | 2.09% | $2.07M | 18,410 |
| Capstone Copper CorpCSCCF | 2.87% | $2.07M | 262,326 |
| Sprouts Farmers Market IncSFM | 1.95% | $1.94M | 23,497 |
| Carvana CoCVNA | 1.95% | $1.94M | 26,584 |
| Natera IncNTRA | 1.72% | $1.71M | 7,656 |
| Insmed IncINSM | 1.70% | $1.69M | 15,835 |
| NU Holdings Ltd/Cayman Islands | 1.59% | $1.58M | 120,347 |
| Toast IncTOST | 1.40% | $1.39M | 53,391 |
| Dexcom IncDXCM | 1.17% | $1.17M | 15,853 |
| Axon Enterprise IncAXON | 1.06% | $1.06M | 2,354 |
| Bio-Techne CorpTECH | 1.03% | $1.03M | 19,922 |
| Affirm Holdings IncAFRM | 1.01% | $1.00M | 13,616 |
| Viking Therapeutics IncVKTX | 0.75% | $750.76K | 22,931 |
| Bright Horizons Family Solutions IncBFAM | 0.74% | $740.11K | 11,819 |
| Structure Therapeutics IncGPCR | 0.70% | $701.24K | 17,825 |
| Tractor Supply CoTSCO | 0.55% | $545.31K | 17,295 |
| West Pharmaceutical Services IncWST | 0.46% | $461.62K | 1,430 |
| Duolingo IncDUOL | 0.13% | $129.51K | 1,163 |
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.