NT Heritage - TF

Schedule of Investments as of 2021-06-30 (Unaudited)

Holding Shares/Principal Amount Market Value ($) HubSpot Inc 54,705 31,877,698 Cadence Design Systems Inc 224,749 30,750,158 DocuSign Inc 106,357 29,734,226 Palo Alto Networks Inc 74,173 27,521,892 Arista Networks Inc 70,989 25,720,025 Manhattan Associates Inc 167,144 24,209,137 IDEXX Laboratories Inc 37,447 23,649,653 Avery Dennison Corp 112,006 23,548,141 Roku Inc 49,549 22,755,378 Burlington Stores Inc 68,449 22,039,894 Keysight Technologies Inc 141,242 21,809,177 F5 Networks Inc 116,030 21,658,160 Veeva Systems Inc 69,201 21,518,051 Parker-Hannifin Corp 69,888 21,463,304 Skyworks Solutions Inc 108,656 20,834,788 Mettler-Toledo International Inc 14,982 20,755,164 LPL Financial Holdings Inc 152,216 20,546,116 Aptiv PLC 129,931 20,442,044 Cognex Corp 239,362 20,118,376 Atlassian Corp PLC 78,206 20,087,993 Enphase Energy Inc 105,451 19,363,967 Match Group Inc 118,784 19,153,920 Lululemon Athletica Inc 52,100 19,014,937 MSCI Inc 35,475 18,911,013 Trane Technologies PLC 100,198 18,450,460 Twilio Inc 46,698 18,406,484 Pinterest Inc 224,168 17,698,064 Okta Inc 71,808 17,569,981 AMETEK Inc 131,072 17,498,112 Marvell Technology Inc 296,617 17,301,670 Encompass Health Corp 212,326 16,567,798 Dexcom Inc 37,465 15,997,555 EPAM Systems Inc 29,002 14,818,862 Chipotle Mexican Grill Inc 9,180 14,232,121 Etsy Inc 65,946 13,574,325 Bio-Techne Corp 30,020 13,516,805 WW Grainger Inc 30,812 13,495,656 Horizon Therapeutics Plc 140,017 13,111,192 RingCentral Inc 44,779 13,011,882 Las Vegas Sands Corp 246,564 12,991,457 Teleflex Inc 32,288 12,972,996 Zynga Inc 1,163,136 12,364,136 Boston Beer Co Inc/The 12,070 12,321,056 Align Technology Inc 19,812 12,105,132 Jacobs Engineering Group Inc 90,332 12,052,095 Square Inc 49,409 12,045,914 Amedisys Inc 48,652 11,916,334 Floor & Decor Holdings Inc 112,304 11,870,533 Autodesk Inc 40,016 11,680,670 NT Heritage - TF

Holding Shares/Principal Amount Market Value ($) Alnylam Pharmaceuticals Inc 68,717 11,648,906 Shiseido Co Ltd 157,300 11,580,307 Hilton Worldwide Holdings Inc 95,285 11,493,277 Teradyne Inc 84,813 11,361,549 Element Solutions Inc 477,600 11,166,288 nVent Electric PLC 357,338 11,163,239 Carvana Co 35,765 10,794,592 Teladoc Health Inc 62,451 10,384,977 Graco Inc 134,279 10,164,920 Generac Holdings Inc 24,347 10,107,657 CoStar Group Inc 119,970 9,935,915 MarketAxess Holdings Inc 21,196 9,826,254 Five Below Inc 50,103 9,683,407 Rexnord Corp 190,960 9,555,638 Ball Corp 117,782 9,542,698 Natera Inc 83,518 9,481,799 Verisk Analytics Inc 52,301 9,138,031 Chewy Inc 111,550 8,891,650 10X Genomics Inc 44,840 8,780,569 Rockwell Automation Inc 29,350 8,394,687 Live Nation Entertainment Inc 93,817 8,217,431 Repligen Corp 40,887 8,161,863 Argenx SE 27,020 8,134,911 Coupa Software Inc 30,132 7,897,899 Selectquote Inc 391,375 7,537,882 TransUnion 68,538 7,526,158 Cloudflare Inc 64,644 6,841,921 Albemarle Corp 36,748 6,190,568 Peloton Interactive Inc 48,468 6,011,001 Westinghouse Air Brake Technologies Corp 67,782 5,578,459 R1 RCM Inc 243,291 5,410,792 Turning Point Therapeutics Inc 66,110 5,157,902 Plug Power Inc 106,651 3,646,398 ROBLOX Corp 37,146 3,342,397

This schedule of investments provides information about the fund's portfolio holdings as of the date on the schedule. It is unaudited, and American Century assumes no obligation to update or supplement the schedule to reflect subsequent changes. More information is available in the fund's most recent annual or semiannual shareholder report.