NPORT-P false 0000100334 XXXXXXXX S000010981 C000030355 American Century Mutual Funds, Inc. 811-00816 0000100334 549300DMFK0SMVLOE939 4500 Main St Kansas City 64111 816-531-5575 NT Growth Fund S000010981 20N9NEHDPPGGP5ECCY49 2020-10-31 2020-01-31 N 826292425.390000000000 8838808.560000000000 817453616.830000000000 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 UST Beyond Meat Inc N/A 08862E109 16050.0000000000 NS USD 1772241.0000000000 0.2168001907 Long EC CORP US N 1 N N Zoom Video Communications Inc N/A 98980L101 14954.0000000000 NS USD 1140990.2000000000 0.1395785861 Long EC CORP US N 1 N N Fastly Inc N/A 31188V100 73154.0000000000 NS USD 1646696.5400000000 0.2014421988 Long EC CORP US N 1 N N PagerDuty Inc N/A 69553P100 116300.0000000000 NS USD 2712116.0000000000 0.3317761331 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 1921987.5000000000 NS USD 1921987.5000000000 0.2351188447 Long STIV RF US N 1 N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD -8743.9100000000 -0.0010696521 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 1062766.1900000000 USD 947122.5300000000 EUR 2020-03-31 -8743.9100000000 N N N JPMORGAN CHASE BANK N.A 7H6GLXDRUGQFU57RNE97 N/A 1 NC USD -1450.7800000000 -0.0001774755 N/A DFE CORP N/A N 2 JPMORGAN CHASE BANK N.A 7H6GLXDRUGQFU57RNE97 228653.1900000000 USD 204159.3700000000 EUR 2020-03-31 -1450.7800000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD 3569.9300000000 0.0004367135 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 716423.9500000000 USD 646971.5500000000 EUR 2020-03-31 3569.9300000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD 3314.8900000000 0.0004055141 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 441795.4100000000 USD 399966.8700000000 EUR 2020-03-31 3314.8900000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD 92242.8600000000 0.0112841705 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 9439428.0300000000 EUR 10597079.4800000000 USD 2020-03-31 92242.8600000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD 602.0100000000 0.0000736445 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 237938.2500000000 EUR 265395.8500000000 USD 2020-03-31 602.0100000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD 741.8400000000 0.0000907501 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 246287.5000000000 EUR 274827.3000000000 USD 2020-03-31 741.8400000000 N N N CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 N/A 1 NC USD -1318.4900000000 -0.0001612923 N/A DFE CORP N/A N 2 CREDIT SUISSE LONDON BRANCH (GFX) E58DKGMJYYYJLN8C3868 211029.0300000000 EUR 233528.9500000000 USD 2020-03-31 -1318.4900000000 N N N SBA Communications Corp N/A 78410G104 69776.0000000000 NS USD 17413298.5600000000 2.1301879644 Long EC CORP US N 1 N N N salesforce.com Inc RCGZFPDMRW58VJ54VR07 79466L302 72217.0000000000 NS USD 13165881.2700000000 1.6105967359 Long EC CORP US N 1 N N N Charles Schwab Corp/The N/A 808513105 201313.0000000000 NS USD 9169807.1500000000 1.1217525938 Long EC CORP US N 1 N N N Starbucks Corp OQSJ1DU9TAOC51A47K68 855244109 57729.0000000000 NS USD 4897151.0700000000 0.5990738764 Long EC CORP US N 1 N N N TJX Cos Inc/The V167QI9I69W364E2DY52 872540109 230491.0000000000 NS USD 13608188.6400000000 1.6647046829 Long EC CORP US N 1 N N N Take-Two Interactive Software Inc BOMSTHHJK882EWYX3334 874054109 44737.0000000000 NS USD 5576019.6800000000 0.6821206201 Long EC CORP US N 1 N N N Target Corp 8WDDFXB5T1Z6J0XC1L66 87612E106 16048.0000000000 NS USD 1777155.5200000000 0.2174013893 Long EC CORP US N 1 N N N Twitter Inc 549300I8RX485XMK6836 90184L102 115558.0000000000 NS USD 3753323.8400000000 0.4591482333 Long EC CORP US N 1 N N N Union Pacific Corp 549300LMMRSZZCZ8CL11 907818108 111746.0000000000 NS USD 20049467.3200000000 2.4526733881 Long EC CORP US N 1 N N N UnitedHealth Group Inc 549300GHBMY8T5GXDE41 91324P102 71871.0000000000 NS USD 19581253.9500000000 2.3953963316 Long EC CORP US N 1 N N N VeriSign Inc LMPL4N8ZOJRMF0KOF759 92343E102 19023.0000000000 NS USD 3959447.2200000000 0.4843635331 Long EC CORP US N 1 N N N Vertex Pharmaceuticals Inc 54930015RAQRRZ5ZGJ91 92532F100 41502.0000000000 NS USD 9423029.1000000000 1.1527295135 Long EC CORP US N 1 N N N Visa Inc 549300JZ4OKEHW3DPJ59 92826C839 237760.0000000000 NS USD 47307107.2000000000 5.7871304532 Long EC CORP US N 1 N N N Walmart Inc Y87794H0US1R65VBXU25 931142103 38657.0000000000 NS USD 4425839.9300000000 0.5414178663 Long EC CORP US N 1 N N N Zendesk Inc 549300SLI6BN94BKKO36 98936J101 77487.0000000000 NS USD 6694876.8000000000 0.8189916421 Long EC CORP US N 1 N N N Zoetis Inc 549300HD9Q1LOC9KLJ48 98978V103 33332.0000000000 NS USD 4473487.7200000000 0.5472466728 Long EC CORP US N 1 N N N ASML Holding NV 724500Y6DUVHQD6OXN27 N/A 34723.0000000000 NS 9738243.8900000000 1.1912900854 Long EC CORP NL N 2 N N N Novo Nordisk A/S 549300DAQ1CVT6CXN342 N/A 180401.0000000000 NS 11012672.6100000000 1.3471923524 Long EC CORP DK N 2 N N N Aptiv PLC N/A G6095L109 75853.0000000000 NS USD 6431575.8700000000 0.7867817498 Long EC CORP IE N 1 N N N Royal Caribbean Cruises Ltd K2NEH8QNVW44JIWK7Z55 V7780T103 69320.0000000000 NS USD 8115985.6000000000 0.9928374446 Long EC CORP US N 1 N N N Agilent Technologies Inc QUIX8Y7A2WP0XRMW7G29 00846U101 23165.0000000000 NS USD 1912502.4000000000 0.2339585220 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K305 49697.0000000000 NS USD 71204867.6600000000 8.7105697735 Long EC CORP US N 1 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 023135106 27582.0000000000 NS USD 55404515.0400000000 6.7776952599 Long EC CORP US N 1 N N N American Express Co R4PP93JZOLY261QX3811 025816109 38749.0000000000 NS USD 5032332.6300000000 0.6156107853 Long EC CORP US N 1 N N N Analog Devices Inc GYVOE5EZ4GDAVTU4CQ61 032654105 68348.0000000000 NS USD 7501193.0000000000 0.9176291897 Long EC CORP US N 1 N N N Apple Inc HWUPKR0MPOU8FGXBT394 037833100 177752.0000000000 NS USD 55016021.5200000000 6.7301704204 Long EC CORP US N 1 N N N Applied Materials Inc 41BNNE1AFPNAZELZ6K07 038222105 119005.0000000000 NS USD 6901099.9500000000 0.8442191469 Long EC CORP US N 1 N N N Baxter International Inc J5OIVXX3P24RJRW5CK77 071813109 161922.0000000000 NS USD 14446680.8400000000 1.7672783559 Long EC CORP US N 1 N N N Biogen Inc W8J5WZB5IY3K0NDQT671 09062X103 16419.0000000000 NS USD 4414248.1500000000 0.5399998311 Long EC CORP US N 1 N N N Boeing Co/The RVHJWBXLJ1RFUBSY1F30 097023105 9578.0000000000 NS USD 3048390.0600000000 0.3729129087 Long EC CORP US N 1 N N N Boston Scientific Corp Y6ZDD9FP4P8JSSJMW954 101137107 231085.0000000000 NS USD 9675528.9500000000 1.1836180978 Long EC CORP US N 1 N N N Broadcom Inc 549300WV6GIDOZJTV909 11135F101 43645.0000000000 NS USD 13318708.2000000000 1.6292922223 Long EC CORP US N 1 N N N CDW Corp/DE N/A 12514G108 55372.0000000000 NS USD 7223277.4000000000 0.8836314687 Long EC CORP US N 1 N N N Chipotle Mexican Grill Inc N/A 169656105 5678.0000000000 NS USD 4921463.2800000000 0.6020480158 Long EC CORP US N 1 N N N Cummins Inc ZUNI8PYC725B6H8JU438 231021106 70225.0000000000 NS USD 11233893.2500000000 1.3742545166 Long EC CORP US N 1 N N N Darden Restaurants Inc CY1NFSCCB5GUXC7WZC70 237194105 62030.0000000000 NS USD 7222152.9000000000 0.8834939073 Long EC CORP US N 1 N N N Datadog Inc N/A 23804L103 38071.0000000000 NS USD 1759260.9100000000 0.2152123220 Long EC CORP US N 1 N N N Delta Air Lines Inc Q2CCMS6R0AS67HJMBN42 247361702 87439.0000000000 NS USD 4873849.8600000000 0.5962234137 Long EC CORP US N 1 N N N Walt Disney Co/The 7260JQNI6SCF9FIV2392 254687106 86044.0000000000 NS USD 11900745.6400000000 1.4558313028 Long EC CORP US N 1 N N N Domino's Pizza Inc N/A 25754A201 24037.0000000000 NS USD 6772424.7500000000 0.8284781681 Long EC CORP US N 1 N N N Dow Inc 5493003S21INSLK2IP73 260557103 204300.0000000000 NS USD 9412101.0000000000 1.1513926670 Long EC CORP US N 1 N N N Edwards Lifesciences Corp YA13X31F3V31L8TMPR58 28176E108 17997.0000000000 NS USD 3956820.4200000000 0.4840421938 Long EC CORP US N 1 N N N Equity Residential 5493008RACSH5EP3PI59 29476L107 90542.0000000000 NS USD 7522229.3600000000 0.9202025907 Long EC CORP US N 1 N N N Facebook Inc BQ4BKCS1HXDV9HN80Z93 30303M102 115360.0000000000 NS USD 23292337.6000000000 2.8493772760 Long EC CORP US N 1 N N N Illumina Inc SQ95QG8SR5Q56LSNF682 452327109 20020.0000000000 NS USD 5807201.4000000000 0.7104013341 Long EC CORP US N 1 N N N Intuitive Surgical Inc 54930052SRG011710797 46120E602 9616.0000000000 NS USD 5382844.4800000000 0.6584892854 Long EC CORP US N 1 N N N iShares Russell 1000 Growth ETF 549300H1KWQVEKI25E14 464287614 44315.0000000000 NS USD 7972268.5000000000 0.9752563737 Long EC RF US N 1 N N N Las Vegas Sands Corp N/A 517834107 39280.0000000000 NS USD 2565376.8000000000 0.3138253654 Long EC CORP US N 1 N N N Estee Lauder Cos Inc/The 549300VFZ8XJ9NUPU221 518439104 21276.0000000000 NS USD 4152224.1600000000 0.5079461482 Long EC CORP US N 1 N N N Liberty Media Corp-Liberty Formula One N/A 531229854 58503.0000000000 NS USD 2737355.3700000000 0.3348636930 Long EC CORP US N 1 N N N Lockheed Martin Corp DPRBOZP0K5RM2YE8UU08 539830109 41859.0000000000 NS USD 17920675.0800000000 2.1922558921 Long EC CORP US N 1 N N N Lyft Inc 549300H7I5VN334XVZ52 55087P104 62607.0000000000 NS USD 2972580.3600000000 0.3636390247 Long EC CORP US N 1 N N N Merck & Co Inc 4YV9Y5M8S0BRK1RP0397 58933Y105 189410.0000000000 NS USD 16183190.4000000000 1.9797074803 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 531208.0000000000 NS USD 90427537.8400000000 11.0621001581 Long EC CORP US N 1 N N N Mondelez International Inc 549300DV9GIB88LZ5P30 609207105 160566.0000000000 NS USD 9213277.0800000000 1.1270703182 Long EC CORP US N 1 N N N NIKE Inc 787RXPR0UX0O0XUXPZ81 654106103 175445.0000000000 NS USD 16895353.5000000000 2.0668271755 Long EC CORP US N 1 N N N NVIDIA Corp 549300S4KLFTLO7GSQ80 67066G104 54298.0000000000 NS USD 12837676.1400000000 1.5704470414 Long EC CORP US N 1 N N N PayPal Holdings Inc 5493005X2GO78EFZ3E94 70450Y103 204051.0000000000 NS USD 23239368.3900000000 2.8428974943 Long EC CORP US N 1 N N N Procter & Gamble Co/The 2572IBTT8CCZW6AU4141 742718109 83965.0000000000 NS USD 10463718.3000000000 1.2800381679 Long EC CORP US N 1 N N N Progressive Corp/The N/A 743315103 67688.0000000000 NS USD 5461744.7200000000 0.6681412385 Long EC CORP US N 1 N N N Quest Diagnostics Inc 8MCWUBXQ0WE04KMXBX50 74834L100 21741.0000000000 NS USD 2406076.4700000000 0.2943379808 Long EC CORP US N 1 N N N Rockwell Automation Inc VH3R4HHBHH12O0EXZJ88 773903109 26378.0000000000 NS USD 5055607.4800000000 0.6184580233 Long EC CORP US N 1 N N N 2020-03-24 American Century Mutual Funds, Inc. Amy R. Bitter Amy R. Bitter Assistant Treasurer XXXX