American Century STOXX U.S. Quality Growth ETF as of July 1, 2021

Issue Name Ticker CUSIP ISIN SEDOL Share Quantity Contract Count Market Value Weight Adobe Inc ADBE 00724F101 US00724F1012 2008154 16,053 0 $9,386,670.69 3.66% Inc ADSK 052769106 US0527691069 2065159 24,940 0 $7,324,878.00 2.86% Inc IDXX 45168D104 US45168D1046 2459202 11,375 0 $7,268,056.25 2.83% Inc AMD 007903107 US0079031078 2007849 67,156 0 $6,266,326.36 2.44% Fortinet Inc FTNT 34959E109 US34959E1091 B5B2106 21,327 0 $5,168,385.18 2.02% Inc ALGN 016255101 US0162551016 2679204 8,089 0 $5,006,767.44 1.95% Alphabet Inc-CL C GOOG 02079K107 US02079K1079 BYY88Y7 1,932 0 $4,882,878.84 1.90% Lowe's Cos Inc LOW 548661107 US5486611073 2536763 23,858 0 $4,671,873.56 1.82% Target Corp TGT 87612E106 US87612E1064 2259101 19,137 0 $4,659,285.39 1.82% .com Inc AMZN 023135106 US0231351067 2000019 1,356 0 $4,655,107.32 1.82% Apple Inc AAPL 037833100 US0378331005 2046251 31,436 0 $4,315,219.72 1.68% Facebook Inc FB 30303M102 US30303M1027 B7TL820 12,170 0 $4,312,926.30 1.68% Crown Castle International Corp CCI 22822V101 US22822V1017 BTGQCX1 21,844 0 $4,253,026.80 1.66% Corp NVDA 67066G104 US67066G1040 2379504 5,183 0 $4,190,351.84 1.63% Inc VRTX 92532F100 US92532F1003 2931034 20,653 0 $4,176,243.13 1.63% Regeneron Pharmaceuticals Inc REGN 75886F107 US75886F1075 2730190 7,039 0 $4,044,750.18 1.58% West Pharmaceutical Services Inc WST 955306105 US9553061055 2950482 11,095 0 $4,027,595.95 1.57% Chipotle Mexican Grill Inc CMG 169656105 US1696561059 B0X7DZ3 2,618 0 $4,027,086.14 1.57% NIKE Inc NKE 654106103 US6541061031 2640147 23,799 0 $3,760,242.00 1.47% Inc TXN 882508104 US8825081040 2885409 19,585 0 $3,737,601.40 1.46% Inc LULU 550021109 US5500211090 B23FN39 10,010 0 $3,645,942.30 1.42% Inc QCOM 747525103 US7475251036 2714923 25,221 0 $3,551,116.80 1.38% eBay Inc EBAY 278642103 US2786421030 2293819 50,239 0 $3,506,682.20 1.37% ServiceNow Inc NOW 81762P102 US81762P1021 B80NXX8 6,119 0 $3,335,895.23 1.30% PayPal Holdings Inc PYPL 70450Y103 US70450Y1038 BYW36M8 11,353 0 $3,281,017.00 1.28% Old Dominion Freight Line Inc ODFL 679580100 US6795801009 2656423 12,415 0 $3,203,070.00 1.25% Products Inc MXIM 57772K101 US57772K1016 2573760 30,419 0 $3,138,936.61 1.22% EPAM Systems Inc EPAM 29414B104 US29414B1044 B44Z3T8 6,127 0 $3,126,240.48 1.22% Booz Allen Hamilton Holding Corp BAH 099502106 US0995021062 B5367T7 36,219 0 $3,121,715.61 1.22% Illumina Inc ILMN 452327109 US4523271090 2613990 6,381 0 $3,003,281.46 1.17% Cadence Design Systems Inc CDNS 127387108 US1273871087 2302232 21,628 0 $2,961,522.04 1.15% Veeva Systems Inc VEEV 922475108 US9224751084 BFH3N85 8,876 0 $2,783,868.64 1.09% Zoom Video Communications Inc ZM 98980L101 US98980L1017 BGSP7M9 7,124 0 $2,753,283.52 1.07% Corp LRCX 512807108 US5128071082 2502247 4,306 0 $2,725,999.42 1.06% PerkinElmer Inc PKI 714046109 US7140461093 2305844 17,217 0 $2,661,748.20 1.04% Ulta Beauty Inc ULTA 90384S303 US90384S3031 B28TS42 7,318 0 $2,553,835.64 1.00% Best Buy Co Inc BBY 086516101 US0865161014 2094670 21,532 0 $2,505,678.84 0.98% DocuSign Inc DOCU 256163106 US2561631068 BFYT7B7 9,004 0 $2,503,922.36 0.98% Molina Healthcare Inc MOH 60855R100 US60855R1005 2212706 9,738 0 $2,493,414.90 0.97% Inc AMAT 038222105 US0382221051 2046552 17,918 0 $2,471,788.10 0.96% Neurocrine Biosciences Inc NBIX 64125C109 US64125C1099 2623911 24,914 0 $2,428,118.44 0.95% KLA Corp KLAC 482480100 US4824801009 2480138 7,750 0 $2,415,985.00 0.94% Texas Roadhouse Inc TXRH 882681109 US8826811098 B033TJ7 24,747 0 $2,405,655.87 0.94% MarketAxess Holdings Inc MKTX 57060D108 US57060D1081 B03Q9D0 4,514 0 $2,095,443.94 0.82% Crowdstrike Holdings Inc CRWD 22788C105 US22788C1053 BJJP138 8,277 0 $2,078,851.32 0.81% Wendy's Co/The WEN 95058W100 US95058W1009 B3NXMJ9 89,332 0 $2,071,609.08 0.81% HubSpot Inc HUBS 443573100 US4435731009 BR4T3B3 3,510 0 $2,057,175.90 0.80% LPL Financial Holdings Inc LPLA 50212V100 US50212V1008 B75JX34 14,582 0 $2,053,583.06 0.80% Paycom Software Inc PAYC 70432V102 US70432V1026 BL95MY0 American Century STOXX U.S. Quality Growth ETF as of July 1, 2021

LIsPsLu Fei nNaanmceial Holdings Inc LTPicLkAer 5CU02S1IP2V100 UISSIN50212V1008 BSE7D5JOXL34 Share Quantity Contract Count Market Value Weight Paycom Software Inc PAYC 70432V102 US70432V1026 BL95MY0 5,339 0 $1,994,597.01 0.78% Tradeweb Markets Inc TW 892672106 US8926721064 BJXMVK2 21,897 0 $1,877,886.72 0.73% Teradyne Inc TER 880770102 US8807701029 2884183 14,376 0 $1,859,966.88 0.73% PulteGroup Inc PHM 745867101 US7458671010 2708841 32,687 0 $1,824,588.34 0.71% Waste Management Inc WM 94106L109 US94106L1098 2937667 12,118 0 $1,710,698.06 0.67% Monolithic Power Systems Inc MPWR 609839105 US6098391054 B01Z7J1 4,474 0 $1,656,185.32 0.65% Trade Desk Inc/The TTD 88339J105 US88339J1051 BD8FDD1 20,926 0 $1,604,605.68 0.63% PTC Inc PTC 69370C100 US69370C1009 B95N910 11,145 0 $1,593,400.65 0.62% Universal Display Corp OLED 91347P105 US91347P1057 2277880 7,016 0 $1,536,995.12 0.60% Darling Ingredients Inc DAR 237266101 US2372661015 2250289 21,902 0 $1,474,661.66 0.57% CoStar Group Inc CSGP 22160N109 US22160N1090 2262864 17,359 0 $1,445,136.75 0.56% Tempur Sealy International Inc TPX 88023U101 US88023U1016 2216991 33,602 0 $1,395,155.04 0.54% Corp MSFT 594918104 US5949181045 2588173 4,824 0 $1,310,198.40 0.51% Boston Beer Co Inc/The SAM 100557107 US1005571070 2113393 1,352 0 $1,306,680.96 0.51% Brunswick Corp/DE BC 117043109 US1170431092 2149309 12,478 0 $1,249,047.80 0.49% Aspen Technology Inc AZPN 045327103 US0453271035 2051868 8,564 0 $1,210,350.12 0.47% AutoNation Inc AN 05329W102 US05329W1027 2732635 12,325 0 $1,207,850.00 0.47% Williams-Sonoma Inc WSM 969904101 US9699041011 2967589 7,377 0 $1,182,238.02 0.46% Amedisys Inc AMED 023436108 US0234361089 2024332 4,521 0 $1,181,472.93 0.46% Corp MNST 61174X109 US61174X1090 BZ07BW4 11,540 0 $1,051,871.00 0.41% Exelixis Inc EXEL 30161Q104 US30161Q1040 2576941 52,530 0 $979,159.20 0.38% Corp LSCC 518415104 US5184151042 2506658 17,333 0 $958,514.90 0.37% Upstart Holdings Inc UPST 91680M107 US91680M1071 BL53QN5 7,579 0 $939,189.68 0.37% Digital Turbine Inc APPS 25400W102 US25400W1027 BVFNZL6 9,741 0 $762,233.25 0.30% MSCI Inc MSCI 55354G100 US55354G1004 B2972D2 1,295 0 $691,568.85 0.27% Inc INTU 461202103 US4612021034 2459020 1,371 0 $673,229.55 0.26% Entegris Inc ENTG 29362U104 US29362U1043 2599700 5,558 0 $658,623.00 0.26% S&P Global Inc SPGI 78409V104 US78409V1044 BYV2325 1,589 0 $654,985.80 0.26% Repligen Corp RGEN 759916109 US7599161095 2731654 3,272 0 $653,451.12 0.25% Inc SNPS 871607107 US8716071076 2867719 2,352 0 $651,762.72 0.25% Gartner Inc IT 366651107 US3666511072 2372763 2,596 0 $644,924.28 0.25% Qorvo Inc QRVO 74736K101 US74736K1016 BR9YYP4 3,331 0 $643,482.58 0.25% Fair Isaac Corp FICO 303250104 US3032501047 2330299 1,256 0 $628,401.92 0.25% LHC Group Inc LHCG 50187A107 US50187A1079 B06DT50 3,041 0 $621,823.68 0.24% US DOLLARS 999201JL1 620,969 0 $620,968.75 0.24% Republic Services Inc RSG 760759100 US7607591002 2262530 5,538 0 $612,558.18 0.24% SiteOne Landscape Supply Inc SITE 82982L103 US82982L1035 BYQ7X81 3,380 0 $585,483.60 0.23% PRA Health Sciences Inc PRAH 69354M108 US69354M1080 BSHZ3V5 3,476 0 $574,269.96 0.22% State Street Institutional US Government Money Market Fund GVMXX 857492706 US8574927062 B284MN4 561,798 0 $561,798.25 0.22% Clorox Co/The CLX 189054109 US1890541097 2204026 2,352 0 $420,655.20 0.16% Ovintiv Inc OVV 69047Q102 US69047Q1022 BJ01KB6 12,236 0 $403,053.84 0.16% Generac Holdings Inc GNRC 368736104 US3687361044 B6197Q2 938 0 $387,778.58 0.15% Mettler-Toledo International Inc MTD 592688105 US5926881054 2126249 264 0 $364,618.32 0.14% XPO Logistics Inc XPO 983793100 US9837931008 B6Z1355 2,576 0 $364,400.96 0.14% Blackstone Group Inc/The BX 09260D107 US09260D1072 BKF2SL7 3,727 0 $361,928.97 0.14% Deckers Outdoor Corp DECK 243537107 US2435371073 2267278 918 0 $357,891.48 0.14% Eli Lilly & Co LLY 532457108 US5324571083 2516152 1,546 0 $357,326.98 0.14% Inc DXCM 252131107 US2521311074 B0796X4 831 0 $354,704.04 0.14% JB Hunt Transport Services Inc JBHT 445658107 US4456581077 2445416 American Century STOXX U.S. Quality Growth ETF as of July 1, 2021

DIsesxuceo Nma Imnce DTiXcCkeMr 2CU52S1IP31107 UISSIN2521311074 BSE0D79O6LX4 Share Quantity Contract Count Market Value Weight JB Hunt Transport Services Inc JBHT 445658107 US4456581077 2445416 2,092 0 $349,238.48 0.14% Charles Schwab Corp/The SCHW 808513105 US8085131055 2779397 4,717 0 $347,029.69 0.14% Cimarex Energy Co XEC 171798101 US1717981013 2987521 4,693 0 $346,718.84 0.14% FMC Corp FMC 302491303 US3024913036 2328603 3,166 0 $343,637.64 0.13% Datadog Inc DDOG 23804L103 US23804L1035 BKT9Y49 3,278 0 $342,780.46 0.13% News Corp NWSA 65249B109 US65249B1098 BBGVT40 13,071 0 $341,675.94 0.13% J2 Global Inc JCOM 48123V102 US48123V1026 B75DGJ3 2,464 0 $341,633.60 0.13% Domino's Pizza Inc DPZ 25754A201 US25754A2015 B01SD70 732 0 $341,126.64 0.13% Inc MTCH 57667L107 US57667L1070 BK80XH9 2,135 0 $340,489.80 0.13% Moody's Corp MCO 615369105 US6153691059 2252058 925 0 $337,911.75 0.13% Avantor Inc AVTR 05352A100 US05352A1007 BJLT387 9,319 0 $337,440.99 0.13% Dollar General Corp DG 256677105 US2566771059 B5B1S13 1,549 0 $337,387.69 0.13% Corp PLC TEAM G06242104 GB00BZ09BD16 BZ09BD1 1,301 0 $336,217.43 0.13% RH RH 74967X103 US74967X1037 BYXR425 483 0 $333,530.82 0.13% Paylocity Holding Corp PCTY 70438V106 US70438V1061 BKM4N88 1,733 0 $333,238.57 0.13% O'Reilly Automotive Inc ORLY 67103H107 US67103H1077 B65LWX6 576 0 $331,418.88 0.13% Corp SBUX 855244109 US8552441094 2842255 2,922 0 $331,384.02 0.13% Aptiv PLC APTV G6095L109 JE00B783TY65 B783TY6 2,070 0 $328,571.10 0.13% NVR Inc NVR 62944T105 US62944T1051 2637785 64 0 $327,160.96 0.13% BJ's Wholesale Club Holdings Inc BJ 05550J101 US05550J1016 BFZNZF8 6,971 0 $326,661.06 0.13% Estee Lauder Cos Inc/The EL 518439104 US5184391044 2320524 1,029 0 $326,275.32 0.13% Penumbra Inc PEN 70975L107 US70975L1070 BZ0V201 1,174 0 $324,376.20 0.13% Hill-Rom Holdings Inc HRC 431475102 US4314751029 2425924 2,801 0 $323,487.49 0.13% Inc ALXN 015351109 US0153511094 2036070 1,739 0 $321,888.90 0.13% Bruker Corp BRKR 116794108 US1167941087 2616137 4,205 0 $321,766.60 0.13% EOG Resources Inc EOG 26875P101 US26875P1012 2318024 3,732 0 $320,914.68 0.13% Tractor Supply Co TSCO 892356106 US8923561067 2900335 1,707 0 $320,659.95 0.13% Skechers USA Inc SKX 830566105 US8305661055 2428042 6,301 0 $320,405.85 0.12% Five Below Inc FIVE 33829M101 US33829M1018 B85KFY9 1,616 0 $317,495.52 0.12% Kimco Realty Corp KIM 49446R109 US49446R1095 2491594 15,001 0 $316,221.08 0.12% Yum China Holdings Inc YUMC 98850P109 US98850P1093 BYW4289 4,784 0 $315,791.84 0.12% Genpact Ltd G G3922B107 BMG3922B1072 B23DBK6 6,890 0 $315,079.70 0.12% Zoetis Inc ZTS 98978V103 US98978V1035 B95WG16 1,663 0 $314,789.27 0.12% Corp CTAS 172908105 US1729081059 2197137 826 0 $314,639.92 0.12% SBA Communications Corp SBAC 78410G104 US78410G1040 BZ6TS23 983 0 $314,599.32 0.12% Citrix Systems Inc CTXS 177376100 US1773761002 2182553 2,673 0 $313,810.20 0.12% FactSet Research Systems Inc FDS 303075105 US3030751057 2329770 934 0 $313,665.22 0.12% American Tower Corp AMT 03027X100 US03027X1000 B7FBFL2 1,159 0 $313,312.47 0.12% T Rowe Price Group Inc TROW 74144T108 US74144T1088 2702337 1,567 0 $313,305.98 0.12% Lamar Advertising Co LAMR 512816109 US5128161099 BSPHGN6 2,981 0 $312,975.19 0.12% Netflix Inc NFLX 64110L106 US64110L1061 2857817 586 0 $312,654.44 0.12% Home Depot Inc/The HD 437076102 US4370761029 2434209 972 0 $312,536.88 0.12% Floor & Decor Holdings Inc FND 339750101 US3397501012 BYQHP96 2,951 0 $311,920.70 0.12% DaVita Inc DVA 23918K108 US23918K1088 2898087 2,548 0 $311,696.84 0.12% Oracle Corp ORCL 68389X105 US68389X1054 2661568 3,907 0 $310,762.78 0.12% HCA Healthcare Inc HCA 40412C101 US40412C1018 B4MGBG6 1,465 0 $310,330.95 0.12% American Express Co AXP 025816109 US0258161092 2026082 1,858 0 $310,174.52 0.12% CACI International Inc CACI 127190304 US1271903049 2159267 1,206 0 $309,773.16 0.12% Corp CERN 156782104 US1567821046 2185284 American Century STOXX U.S. Quality Growth ETF as of July 1, 2021

CIsAsCuIe I Nntaemrneational Inc CTiAcCkIer 1CU27S1IP90304 UISSIN1271903049 2SE15D9O2L67 Share Quantity Contract Count Market Value Weight Cerner Corp CERN 156782104 US1567821046 2185284 3,942 0 $309,407.58 0.12% Trex Co Inc TREX 89531P105 US89531P1057 2483074 3,035 0 $307,293.75 0.12% DR Horton Inc DHI 23331A109 US23331A1097 2250687 3,304 0 $306,644.24 0.12% Hershey Co/The HSY 427866108 US4278661081 2422806 1,763 0 $306,233.10 0.12% United Parcel Service Inc UPS 911312106 US9113121068 2517382 1,456 0 $306,080.32 0.12% Tetra Tech Inc TTEK 88162G103 US88162G1031 2883890 2,458 0 $305,111.54 0.12% Abbott Laboratories ABT 002824100 US0028241000 2002305 2,601 0 $304,733.16 0.12% CBRE Group Inc CBRE 12504L109 US12504L1098 B6WVMH3 3,495 0 $304,694.10 0.12% 3M Co MMM 88579Y101 US88579Y1010 2595708 1,527 0 $304,010.43 0.12% Williams Cos Inc/The WMB 969457100 US9694571004 2967181 11,320 0 $303,376.00 0.12% ManpowerGroup Inc MAN 56418H100 US56418H1005 2562490 2,544 0 $303,219.36 0.12% Cable One Inc CABO 12685J105 US12685J1051 BZ07DS4 159 0 $302,454.57 0.12% Xylem Inc/NY XYL 98419M100 US98419M1009 B3P2CN8 2,515 0 $302,152.10 0.12% Tapestry Inc TPR 876030107 US8760301072 BF09HX3 7,109 0 $302,061.41 0.12% Chemed Corp CHE 16359R103 US16359R1032 2190084 625 0 $301,543.75 0.12% Visa Inc V 92826C839 US92826C8394 B2PZN04 1,282 0 $301,462.30 0.12% Procter & Gamble Co/The PG 742718109 US7427181091 2704407 2,225 0 $300,909.00 0.12% Wholesale Corp COST 22160K105 US22160K1051 2701271 762 0 $300,631.86 0.12% Stryker Corp SYK 863667101 US8636671013 2853688 1,144 0 $300,528.80 0.12% AGCO Corp AGCO 001084102 US0010841023 2010278 2,274 0 $300,486.36 0.12% Jones Lang LaSalle Inc JLL 48020Q107 US48020Q1076 2040640 1,508 0 $300,272.96 0.12% IQVIA Holdings Inc IQV 46266C105 US46266C1053 BDR73G1 1,213 0 $299,780.82 0.12% Stifel Financial Corp SF 860630102 US8606301021 2849234 4,546 0 $298,626.74 0.12% FedEx Corp FDX 31428X106 US31428X1063 2142784 998 0 $298,521.76 0.12% Proofpoint Inc PFPT 743424103 US7434241037 B6VDQC3 1,719 0 $298,469.97 0.12% VMware Inc VMW 928563402 US9285634021 B23SN61 1,911 0 $298,364.43 0.12% Palo Alto Networks Inc PANW 697435105 US6974351057 B87ZMX0 804 0 $298,034.76 0.12% Nucor Corp NUE 670346105 US6703461052 2651086 3,078 0 $297,488.70 0.12% Oshkosh Corp OSK 688239201 US6882392011 2663520 2,368 0 $297,397.12 0.12% WW Grainger Inc GWW 384802104 US3848021040 2380863 668 0 $297,153.12 0.12% Masco Corp MAS 574599106 US5745991068 2570200 5,044 0 $296,688.08 0.12% Mastercard Inc MA 57636Q104 US57636Q1040 B121557 800 0 $296,568.00 0.12% Novocure Ltd NVCR G6674U108 JE00BYSS4X48 BYSS4X4 1,563 0 $296,532.36 0.12% IPG Photonics Corp IPGP 44980X109 US44980X1090 2698782 1,411 0 $296,310.00 0.12% TJX Cos Inc/The TJX 872540109 US8725401090 2989301 4,365 0 $296,296.20 0.12% Yum! Brands Inc YUM 988498101 US9884981013 2098876 2,554 0 $296,289.54 0.12% Boston Scientific Corp BSX 101137107 US1011371077 2113434 6,824 0 $295,888.64 0.12% RPM International Inc RPM 749685103 US7496851038 2756174 3,284 0 $295,560.00 0.12% Owens Corning OC 690742101 US6907421019 B1FW7Q2 2,967 0 $294,593.43 0.11% Globant SA GLOB L44385109 LU0974299876 BP40HF4 1,360 0 $294,168.00 0.11% Cummins Inc CMI 231021106 US2310211063 2240202 1,211 0 $293,219.43 0.11% Workday Inc WDAY 98138H101 US98138H1014 B8K6ZD1 1,241 0 $292,267.91 0.11% Inc DLTR 256746108 US2567461080 2272476 2,879 0 $287,640.89 0.11% ON Semiconductor Corp ON 682189105 US6821891057 2583576 7,541 0 $285,879.31 0.11% Whirlpool Corp WHR 963320106 US9633201069 2960384 1,302 0 $285,841.08 0.11% Holdings PLC STX G7997R103 IE00BKVD2N49 BKVD2N4 3,294 0 $285,326.28 0.11% Encompass Health Corp EHC 29261A100 US29261A1007 BYX2YJ7 3,574 0 $285,062.24 0.11% Reliance Steel & Aluminum Co RS 759509102 US7595091023 2729068 1,864 0 $285,042.88 0.11% Take-Two Interactive Software Inc TTWO 874054109 US8740541094 2122117 American Century STOXX U.S. Quality Growth ETF as of July 1, 2021

RIsesluiaen Ncea mSteeel & Aluminum Co RTiScker 7CU59S5IP09102 UISSIN7595091023 2SE72D9O0L68 Share Quantity Contract Count Market Value Weight Take-Two Interactive Software Inc TTWO 874054109 US8740541094 2122117 1,590 0 $284,562.30 0.11% Kansas City Southern KSU 485170302 US4851703029 2607647 999 0 $284,535.18 0.11% MKS Instruments Inc MKSI 55306N104 US55306N1046 2404871 1,653 0 $282,282.81 0.11% Alleghany Corp Y 017175100 US0171751003 2016801 414 0 $280,571.94 0.11% Vulcan Materials Co VMC 929160109 US9291601097 2931205 1,610 0 $279,866.30 0.11% Altice USA Inc ATUS 02156K103 US02156K1034 BDRY7P9 8,060 0 $278,634.20 0.11% Aon PLC AON G0403H108 IE00BLP1HW54 BLP1HW5 1,164 0 $277,823.52 0.11% Corning Inc GLW 219350105 US2193501051 2224701 6,703 0 $275,359.24 0.11% Celanese Corp CE 150870103 US1508701034 B05MZT4 1,793 0 $274,580.02 0.11% Snap-on Inc SNA 833034101 US8330341012 2818740 1,223 0 $273,242.66 0.11% Stericycle Inc SRCL 858912108 US8589121081 2860826 3,729 0 $269,233.80 0.10% Royal Gold Inc RGLD 780287108 US7802871084 2755706 2,344 0 $268,458.32 0.10%