NPORT-P false 0000100334 XXXXXXXX S000006194 C000131597 C000017059 C000017055 C000017058 C000247666 C000189737 C000189738 C000017054 C000017053 American Century Mutual Funds, Inc. 811-00816 0000100334 549300DMFK0SMVLOE939 4500 Main St Kansas City 64111 816-531-5575 Select Fund S000006194 YBV2RHBLCMLT5C6UGK81 2026-10-31 2026-04-30 N 6402613596.310000000000 9089171.810000000000 6393524424.500000000000 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 York Space Systems Inc N/A 987084100 345200.0000000000 NS USD 11446832.0000000000 0.1790379021 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 4763940.0000000000 NS USD 4763940.0000000000 0.0745119543 Long STIV RF US N 1 N N Adobe Inc FU4LY2G4933NH2E1CP29 00724F101 23600.0000000000 NS USD 5807960.0000000000 0.0908412890 Long EC CORP US N 1 N N N Airbnb Inc 549300HMUDNO0RY56D37 009066101 265900.0000000000 NS USD 37321724.0000000000 0.5837425733 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K107 863200.0000000000 NS USD 329690608.0000000000 5.1566332763 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K305 1149700.0000000000 NS USD 442404560.0000000000 6.9195725335 Long EC CORP US N 1 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 023135106 1924900.0000000000 NS USD 510213994.0000000000 7.9801680595 Long EC CORP US N 1 N N N American Express Co R4PP93JZOLY261QX3811 025816109 156000.0000000000 NS USD 50395800.0000000000 0.7882319149 Long EC CORP US N 1 N N N Analog Devices Inc GYVOE5EZ4GDAVTU4CQ61 032654105 381000.0000000000 NS USD 153261060.0000000000 2.3971294989 Long EC CORP US N 1 N N N Apple Inc HWUPKR0MPOU8FGXBT394 037833100 2075700.0000000000 NS USD 563241195.0000000000 8.8095572583 Long EC CORP US N 1 N N N AppLovin Corp 549300LLVXMUAOL3SQ07 03831W108 193000.0000000000 NS USD 86145550.0000000000 1.3473875171 Long EC CORP US N 1 N N N Boston Scientific Corp Y6ZDD9FP4P8JSSJMW954 101137107 212100.0000000000 NS USD 12219081.0000000000 0.1911165140 Long EC CORP US N 1 N N N TJX Cos Inc/The V167QI9I69W364E2DY52 N/A -590.0000000000 NC USD -25075.0000000000 -0.0003921937 N/A DE CORP US N 1 Morgan Stanley I7331LVCZKQKX5T7XV54 Call Written TJX Cos Inc/The TJX Cos Inc/The 100 165.000000000000 USD 2026-05-15 XXXX 92985.7100000000 N N N State Street Bank & Trust Co 571474TGEMMWANRLN572 RPEK6BRQ1 16963000.0000000000 PA USD 16963000.0000000000 0.2653153233 Long RA CORP US N 2 2026-05-01 Fixed 3.640000000000000 N N N Repurchase N 3.64 2026-05-01 17544200 USD 17302393.73 USD UST N N N RBC Bearings Inc N/A 75524B104 15300.0000000000 NS USD 9166077.0000000000 0.1433650111 Long EC CORP US N 1 N N N Regeneron Pharmaceuticals Inc 549300RCBFWIRX3HYQ56 75886F107 82100.0000000000 NS USD 58049626.0000000000 0.9079440719 Long EC CORP US N 1 N N N Rocket Cos Inc N/A 77311W101 904800.0000000000 NS USD 13228176.0000000000 0.2068995928 Long EC CORP US N 1 N N N Roper Technologies Inc 54930003T4SXCIWVXY35 776696106 24800.0000000000 NS USD 8799288.0000000000 0.1376281283 Long EC CORP US N 1 N N N Stryker Corp 5493002F0SC4JTBU5137 863667101 26800.0000000000 NS USD 8445484.0000000000 0.1320943417 Long EC CORP US N 1 N N N TJX Cos Inc/The V167QI9I69W364E2DY52 872540109 316500.0000000000 NS USD 49611375.0000000000 0.7759628603 Long EC CORP US N 1 N N N Taiwan Semiconductor Manufacturing Co Ltd 549300KB6NK5SBD14S87 874039100 325000.0000000000 NS USD 128719500.0000000000 2.0132792409 Long EC CORP TW N 1 N N N Tesla Inc 54930043XZGB27CTOV49 88160R101 616500.0000000000 NS USD 235274895.0000000000 3.6798935826 Long EC CORP US N 1 N N N Texas Roadhouse Inc 5299002Y1CNRPDGXTQ75 882681109 41100.0000000000 NS USD 6616689.0000000000 0.1034904782 Long EC CORP US N 1 N N N UL Solutions Inc N/A 903731107 389986.0000000000 NS USD 35289833.1400000000 0.5519621229 Long EC CORP US N 1 N N N Veralto Corp 635400FJE6GSOJUSNY27 92338C103 282000.0000000000 NS USD 24872400.0000000000 0.3890248687 Long EC CORP US N 1 N N N Verisk Analytics Inc 549300I1YSWNIRKBWP67 92345Y106 43200.0000000000 NS USD 7969968.0000000000 0.1246568789 Long EC CORP US N 1 N N N Zscaler Inc 529900MZ0RTK1BWRNF46 98980G102 322700.0000000000 NS USD 42170436.0000000000 0.6595804317 Long EC CORP US N 1 N N N Garmin Ltd 2549001E0HIPIJQ0W046 H2906T109 25700.0000000000 NS USD 6454298.0000000000 0.1009505489 Long EC CORP CH N 1 N N N Broadridge Financial Solutions Inc 549300KZDJZQ2YIHRC28 11133T103 80900.0000000000 NS USD 12456982.0000000000 0.1948374820 Long EC CORP US N 1 N N N Broadcom Inc 549300WV6GIDOZJTV909 11135F101 675100.0000000000 NS USD 281806993.0000000000 4.4076940086 Long EC CORP US N 1 N N N Burlington Stores Inc 5299003Z37DVGKKC1W09 122017106 57100.0000000000 NS USD 18272571.0000000000 0.2857980949 Long EC CORP US N 1 N N N Cheniere Energy Inc MIHC87W9WTYSYZWV1J40 16411R208 153200.0000000000 NS USD 42122340.0000000000 0.6588281706 Long EC CORP US N 1 N N N Costco Wholesale Corp 29DX7H14B9S6O3FD6V18 22160K105 103900.0000000000 NS USD 105409667.0000000000 1.6486942100 Long EC CORP US N 1 N N N Crowdstrike Holdings Inc 549300YBY08K9KM4HX32 22788C105 145600.0000000000 NS USD 64901200.0000000000 1.0151083454 Long EC CORP US N 1 N N N Danaher Corp S4BKK9OTCEWQ3YHPFM11 235851102 259300.0000000000 NS USD 46401735.0000000000 0.7257614411 Long EC CORP US N 1 N N N Walt Disney Co/The 549300GZKULIZ0WOW665 254687106 213000.0000000000 NS USD 22098750.0000000000 0.3456426930 Long EC CORP US N 1 N N N Meta Platforms Inc BQ4BKCS1HXDV9HN80Z93 30303M102 494400.0000000000 NS USD 302528304.0000000000 4.7317924186 Long EC CORP US N 1 N N N GE Vernova Inc 254900DP080RU6OK2553 36828A101 86000.0000000000 NS USD 93177560.0000000000 1.4573739586 Long EC CORP US N 1 N N N Gilead Sciences Inc 549300WTZWR07K8MNV44 375558103 804100.0000000000 NS USD 105208444.0000000000 1.6455469161 Long EC CORP US N 1 N N N Graco Inc 4T5VJ4S81BRT6Q7GGT78 384109104 705800.0000000000 NS USD 56654566.0000000000 0.8861241819 Long EC CORP US N 1 N N N Ionis Pharmaceuticals Inc 549300SI4ZGLG0BLUZ92 462222100 962000.0000000000 NS USD 71919120.0000000000 1.1248744077 Long EC CORP US N 1 N N N KLA Corp 549300H0BF5JCG96TJ81 482480100 74900.0000000000 NS USD 131101215.0000000000 2.0505312297 Long EC CORP US N 1 N N N Eli Lilly & Co FRDRIPF3EKNDJ2CQJL29 532457108 122700.0000000000 NS USD 114675420.0000000000 1.7936182360 Long EC CORP US N 1 N N N Lincoln Electric Holdings Inc BIMGBY40SIN95O01BN93 533900106 205400.0000000000 NS USD 54431000.0000000000 0.8513457740 Long EC CORP US N 1 N N N Lowe's Cos Inc WAFCR4OKGSC504WU3E95 548661107 253100.0000000000 NS USD 60437749.0000000000 0.9452962871 Long EC CORP US N 1 N N N Lumentum Holdings Inc 549300JLWRRC38DWEF52 55024U109 58800.0000000000 NS USD 53056416.0000000000 0.8298461455 Long EC CORP US N 1 N N N MSCI Inc 549300HTIN2PD78UB763 55354G100 55100.0000000000 NS USD 32586691.0000000000 0.5096827483 Long EC CORP US N 1 N N N Marriott International Inc/MD 225YDZ14ZO8E1TXUSU86 571903202 82400.0000000000 NS USD 29803256.0000000000 0.4661475271 Long EC CORP US N 1 N N N Mastercard Inc AR5L2ODV9HN37376R084 57636Q104 389200.0000000000 NS USD 195736464.0000000000 3.0614798819 Long EC CORP US N 1 N N N Mercury Systems Inc 549300P3B84SGK7HH679 589378108 627700.0000000000 NS USD 49531807.0000000000 0.7747183511 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 986300.0000000000 NS USD 402193414.0000000000 6.2906370148 Long EC CORP US N 1 N N N Netflix Inc 549300Y7VHGU0I7CE873 64110L106 893400.0000000000 NS USD 83631174.0000000000 1.3080606008 Long EC CORP US N 1 N N N NVIDIA Corp 549300S4KLFTLO7GSQ80 67066G104 4812700.0000000000 NS USD 960470539.0000000000 15.0225521204 Long EC CORP US N 1 N N N Oracle Corp 1Z4GXXU7ZHVWFCD8TV52 68389X105 494400.0000000000 NS USD 79791216.0000000000 1.2480004877 Long EC CORP US N 1 N N N Palantir Technologies Inc 549300UVN46B3BBDHO85 69608A108 265000.0000000000 NS USD 36864150.0000000000 0.5765857382 Long EC CORP US N 1 N N N Progressive Corp/The 529900TACNVLY9DCR586 743315103 177200.0000000000 NS USD 35666816.0000000000 0.5578584460 Long EC CORP US N 1 N N N State Street Institutional US Government Money Market Fund 549300BZ5TGIFZUZDZ37 857492706 18817.4400000000 NS USD 18817.4400000000 0.0002943203 Long STIV RF US N 1 N N N 2026-06-26 American Century Mutual Funds, Inc. Amy R. Bitter Amy R. Bitter Assistant Treasurer