NPORT-P false 0001710607 XXXXXXXX S000068306 C000218645 American Century ETF Trust 811-23305 0001710607 5493006IKK34YJD98183 4500 Main St Kansas City 64111 816-531-5575 American Century Mid Cap Growth Impact ETF S000068306 549300RZJCDU6SCEXC76 2022-08-31 2022-08-31 N 23913986.150000000000 134657.960000000000 23779328.190000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 N Plug Power Inc 549300JPDKRSJ8JSM954 72919P202 8609.0000000000 NS USD 241396.3600000000 1.0151521442 Long EC CORP US N 1 N N State Street Navigator Securities Lending Trust - State Street Navigator Securities Lending Government Money Market Portfolio 5493008BJIBKQ5KTIF74 N/A 124816.0000000000 NS USD 124816.0000000000 0.5248928776 Long STIV RF US N 1 N N Airbnb Inc 549300HMUDNO0RY56D37 009066101 7866.0000000000 NS USD 889801.9200000000 3.7419136188 Long EC CORP US N 1 N N N Albemarle Corp HDBLS2Q6GV1LSKQPBS54 012653101 818.0000000000 NS USD 219191.2800000000 0.9217723825 Long EC CORP US N 1 N N N Alnylam Pharmaceuticals Inc N/A 02043Q107 894.0000000000 NS USD 184762.9800000000 0.7769899070 Long EC CORP US N 1 N N N Avient Corp SM8L9RZYIB34LNTWO040 05368V106 14012.0000000000 NS USD 614145.9600000000 2.5826884389 Long EC CORP US N 1 N N N Bio-Techne Corp N/A 09073M104 2094.0000000000 NS USD 694810.1400000000 2.9219081988 Long EC CORP US N 1 N N N CAE Inc 549300FFM2BEH2GF1E44 124765108 15358.0000000000 NS USD 280437.0800000000 1.1793313830 Long EC CORP CA N 1 N N N Cadence Design Systems Inc GCT7RXJOGLXPV0NXZY22 127387108 9305.0000000000 NS USD 1616929.8500000000 6.7997288951 Long EC CORP US N 1 N N N Chipotle Mexican Grill Inc N/A 169656105 814.0000000000 NS USD 1299795.2000000000 5.4660720001 Long EC CORP US N 1 N N N DexCom Inc N/A 252131107 8858.0000000000 NS USD 728216.1800000000 3.0623917303 Long EC CORP US N 1 N N N DocuSign Inc 549300Q7PVDWRZ39JG09 256163106 5777.0000000000 NS USD 336336.9400000000 1.4144089241 Long EC CORP US N 1 N N N Element Solutions Inc 549300FLGN6P5CU20J91 28618M106 50439.0000000000 NS USD 941696.1300000000 3.9601460667 Long EC CORP US N 1 N N N Enphase Energy Inc 5493008U7KIGMI59Z314 29355A107 6397.0000000000 NS USD 1832356.6800000000 7.7056705108 Long EC CORP US N 1 N N N Excelerate Energy Inc N/A 30069T101 22237.0000000000 NS USD 571046.1600000000 2.4014394159 Long EC CORP US N 1 N N N Generac Holdings Inc N/A 368736104 2524.0000000000 NS USD 556314.8400000000 2.3394893058 Long EC CORP US N 1 N N N IQVIA Holdings Inc 549300W3R20NM4KQPH86 46266C105 2816.0000000000 NS USD 598850.5600000000 2.5183661843 Long EC CORP US N 1 N N N Jacobs Solutions Inc N/A 46982L108 6246.0000000000 NS USD 778126.6800000000 3.2722820165 Long EC CORP US N 1 N N N Keysight Technologies Inc 549300GLKVIO8YRCYN02 49338L103 7444.0000000000 NS USD 1219997.1600000000 5.1304946475 Long EC CORP US N 1 N N N Lyft Inc 549300H7I5VN334XVZ52 55087P104 14999.0000000000 NS USD 220935.2700000000 0.9291064417 Long EC CORP US N 1 N N N MSCI Inc 549300HTIN2PD78UB763 55354G100 1896.0000000000 NS USD 851759.0400000000 3.5819306298 Long EC CORP US N 1 N N N Manhattan Associates Inc N/A 562750109 8491.0000000000 NS USD 1199438.6600000000 5.0440393035 Long EC CORP US N 1 N N N Marvell Technology Inc N/A 573874104 18045.0000000000 NS USD 844866.9000000000 3.5529468842 Long EC CORP US N 1 N N N Monolithic Power Systems Inc N/A 609839105 1745.0000000000 NS USD 790799.1000000000 3.3255737659 Long EC CORP US N 1 N N N Palo Alto Networks Inc 549300QXR2YVZV231H43 697435105 1975.0000000000 NS USD 1099699.7500000000 4.6246039468 Long EC CORP US N 1 N N N State Street Institutional US Government Money Market Fund 549300BZ5TGIFZUZDZ37 857492706 645638.6400000000 NS USD 645638.6400000000 2.7151256539 Long STIV RF US N 1 N N N Sarepta Therapeutics Inc 549300IKDPIED8J8IG21 803607100 7009.0000000000 NS USD 766644.4200000000 3.2239952865 Long EC CORP US N 1 N N N SeaGen Inc N/A 81181C104 2488.0000000000 NS USD 383873.5200000000 1.6143160855 Long EC CORP US N 1 N N N Veeva Systems Inc 549300YZEXPDB92M2F02 922475108 3875.0000000000 NS USD 772365.0000000000 3.2480522319 Long EC CORP US N 1 N N N Zurn Elkay Water Solutions Corp 549300AM3633XDFU1Q85 98983L108 15490.0000000000 NS USD 427214.2000000000 1.7965780891 Long EC CORP US N 1 N N N Horizon Therapeutics Plc N/A G46188101 6376.0000000000 NS USD 377522.9600000000 1.5876098643 Long EC CORP US N 1 N N N Aptiv PLC N/A G6095L109 8784.0000000000 NS USD 820689.1200000000 3.4512712615 Long EC CORP IE N 1 N N N Trane Technologies PLC N/A G8994E103 6338.0000000000 NS USD 976495.6600000000 4.1064896880 Long EC CORP IE N 1 N N N 2022-10-25 American Century ETF Trust Amy R. Bitter Amy R. Bitter Assistant Treasurer