# EDGAR Filing Document

**Accession Number:** 0000100334
**File Stem:** 0001145549-25-043333
**Filing Date:** 2025-6
**Character Count:** 24995
**Document Hash:** 425a2969344d1b312312057e8ee39250
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-043333.hdr.sgml**: 20250627

**ACCESSION NUMBER**: 0001145549-25-043333

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250627

**DATE AS OF CHANGE**: 20250627

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN CENTURY MUTUAL FUNDS, INC.
- **CENTRAL INDEX KEY:** 0000100334

**ORGANIZATION NAME:**
- **EIN:** 446006315
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-00816
- **FILM NUMBER:** 251083392

**BUSINESS ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111
- **BUSINESS PHONE:** 816-531-5575

**MAIL ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICAN CENTURY MUTUAL FUNDS INC
- **DATE OF NAME CHANGE:** 19970107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TWENTIETH CENTURY INVESTORS INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### SELECT FUND (Series ID: S000006194)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000017053 | INVESTOR CLASS | TWCIX           |
| C000017054 | A CLASS        | TWCAX           |
| C000017055 | I CLASS        | TWSIX           |
| C000017058 | C CLASS        | ACSLX           |
| C000017059 | R CLASS        | ASERX           |
| C000131597 | R6 CLASS       | ASDEX           |
| C000189737 | R5 CLASS       | ASLGX           |
| C000189738 | Y CLASS        | ASLWX           |
| C000247666 | G Class        | ASLDX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** American Century Mutual Funds, Inc.

- **b. Investment Company Act file number:** 811-00816

- **c. CIK number of Registrant:** 0000100334

- **d. LEI of Registrant:** 549300DMFK0SMVLOE939

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 4500 Main St

  - **City:** Kansas City

  - **State:** MO

  - **Foreign country:** US

  - **Zip / Postal Code:** 64111

  - **Telephone number:** 816-531-5575

**Item A.2. Information about the Series.**

- **a. Name of Series:** Select Fund

- **b. EDGAR series identifier (if any):** S000006194

- **c. LEI of Series:** YBV2RHBLCMLT5C6UGK81

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-10-31

- **b. Date as of which information is reported:** 2025-04-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $5323885622.53

**Total Liabilities:** $3599725.89

**Net Assets:** $5320285896.64

**Cash Not Reported:** $51178.87

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000017053 | -3.87%               | -8.38%               | -0.02%               |
| Class ID C000017054 | -3.89%               | -8.40%               | -0.04%               |
| Class ID C000017055 | -3.86%               | -8.36%               | -0.01%               |
| Class ID C000017058 | -3.95%               | -8.45%               | -0.11%               |
| Class ID C000017059 | -3.92%               | -8.42%               | -0.06%               |
| Class ID C000131597 | -3.85%               | -8.35%               | 0.01%                |
| Class ID C000189737 | -3.86%               | -8.36%               | -0.01%               |
| Class ID C000189738 | -3.85%               | -8.36%               | 0.01%                |
| Class ID C000247666 | -3.81%               | -8.32%               | 0.06%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-501390.75              | $-236700166.23                             |
| Month 2  | $48207446.12             | $-540146020.31                             |
| Month 3  | $32119228.66             | $-35171192.15                              |

### Schedule of Portfolio Investments

| Name                                         | Title                                       | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Walt Disney Co/The                           | Walt Disney Co/The                          | CUSIP: 254687106<br>LEI: 7260JQNI6SCF9FIV2392 | Long             | EC               | CORP              | US        |    449800 | NS      | $40909310.00  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Electronic Arts Inc                          | Electronic Arts Inc                         | CUSIP: 285512109<br>LEI: 549300O7A67PUEYKDL45 | Long             | EC               | CORP              | US        |     91300 | NS      | $13246717.00  | 0.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Equinix Inc                                  | Equinix Inc                                 | CUSIP: 29444U700<br>LEI: 549300EVUN2BTLJ3GT74 | Long             | EC               | CORP              | US        |     36400 | NS      | $31331300.00  | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Meta Platforms Inc                           | Meta Platforms Inc                          | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |    564200 | NS      | $309745800.00 | 5.82%             |  |  |  | No            |                  1 | On Loan: No      |
| salesforce.com Inc                           | Salesforce Inc                              | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |    407000 | NS      | $109364970.00 | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Stryker Corp                                 | Stryker Corp                                | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |    109500 | NS      | $40944240.00  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The                              | TJX Cos Inc/The                             | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    543800 | NS      | $69976184.00  | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Taiwan Semiconductor Manufacturing Co Ltd    | Taiwan Semiconductor Manufacturing Co Ltd   | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |    415200 | NS      | $69209688.00  | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Adobe Inc                                    | Adobe Inc                                   | CUSIP: 00724F101<br>LEI: FU4LY2G4933NH2E1CP29 | Long             | EC               | CORP              | US        |    209200 | NS      | $78445816.00  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Airbnb Inc                                   | Airbnb Inc                                  | CUSIP: 009066101<br>LEI: 549300HMUDNO0RY56D37 | Long             | EC               | CORP              | US        |    327300 | NS      | $39904416.00  | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                                 | Alphabet Inc-CL C                           | CUSIP: 02079K107<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |   1257600 | NS      | $202335264.00 | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                                 | Alphabet Inc                                | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |   1656400 | NS      | $263036320.00 | 4.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                               | Amazon.com Inc                              | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |   2070600 | NS      | $381860052.00 | 7.18%             |  |  |  | No            |                  1 | On Loan: No      |
| American Express Co                          | American Express Co                         | CUSIP: 025816109<br>LEI: R4PP93JZOLY261QX3811 | Long             | EC               | CORP              | US        |    123900 | NS      | $33008199.00  | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc                           | Analog Devices Inc                          | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |    422100 | NS      | $82275732.00  | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple Inc                                    | Apple Inc                                   | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |   2628600 | NS      | $558577500.00 | 10.50%            |  |  |  | No            |                  1 | On Loan: No      |
| AppLovin Corp                                | AppLovin Corp                               | CUSIP: 03831W108<br>LEI: 549300LLVXMUAOL3SQ07 | Long             | EC               | CORP              | US        |    152200 | NS      | $40988982.00  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Atlassian Corp                               | Atlassian Corp                              | CUSIP: 049468101<br>LEI: 549300V7ZY5P02D2MY38 | Long             | EC               | CORP              | AU        |    171900 | NS      | $39246489.00  | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp                       | Boston Scientific Corp                      | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    701100 | NS      | $72122157.00  | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadridge Financial Solutions Inc           | Broadridge Financial Solutions Inc          | CUSIP: 11133T103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    214700 | NS      | $52043280.00  | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadcom Inc                                 | Broadcom Inc                                | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |    393800 | NS      | $75794686.00  | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Burlington Stores Inc                        | Burlington Stores Inc                       | CUSIP: 122017106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    171800 | NS      | $38661872.00  | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| ChampionX Corp                               | ChampionX Corp                              | CUSIP: 15872M104<br>LEI: 549300EP2909K6DYYP38 | Long             | EC               | CORP              | US        |   1364800 | NS      | $32932624.00  | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Brands Inc                     | Constellation Brands Inc                    | CUSIP: 21036P108<br>LEI: 5493005GKEG8QCVY7037 | Long             | EC               | CORP              | US        |    194900 | NS      | $36551546.00  | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Costco Wholesale Corp                        | Costco Wholesale Corp                       | CUSIP: 22160K105<br>LEI: 29DX7H14B9S6O3FD6V18 | Long             | EC               | CORP              | US        |    110500 | NS      | $109892250.00 | 2.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Crowdstrike Holdings Inc                     | Crowdstrike Holdings Inc                    | CUSIP: 22788C105<br>LEI: 549300YBY08K9KM4HX32 | Long             | EC               | CORP              | US        |    157800 | NS      | $67675686.00  | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                                 | Danaher Corp                                | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     98500 | NS      | $19634005.00  | 0.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Graco Inc                                    | Graco Inc                                   | CUSIP: 384109104<br>LEI: 4T5VJ4S81BRT6Q7GGT78 | Long             | EC               | CORP              | US        |    293100 | NS      | $23919891.00  | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA Corp                                     | KLA Corp                                    | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |    104700 | NS      | $73571643.00  | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                               | Eli Lilly & Co                              | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |    121600 | NS      | $109312320.00 | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Lincoln Electric Holdings Inc                | Lincoln Electric Holdings Inc               | CUSIP: 533900106<br>LEI: BIMGBY40SIN95O01BN93 | Long             | EC               | CORP              | US        |    101700 | NS      | $17919540.00  | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Lowe's Cos Inc                               | Lowe's Cos Inc                              | CUSIP: 548661107<br>LEI: WAFCR4OKGSC504WU3E95 | Long             | EC               | CORP              | US        |    308300 | NS      | $68923548.00  | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| MSCI Inc                                     | MSCI Inc                                    | CUSIP: 55354G100<br>LEI: 549300HTIN2PD78UB763 | Long             | EC               | CORP              | US        |     90700 | NS      | $49441477.00  | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Manhattan Associates Inc                     | Manhattan Associates Inc                    | CUSIP: 562750109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    154600 | NS      | $27424494.00  | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Marriott International Inc/MD                | Marriott International Inc/MD               | CUSIP: 571903202<br>LEI: 225YDZ14ZO8E1TXUSU86 | Long             | EC               | CORP              | US        |     79800 | NS      | $19038684.00  | 0.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard Inc                               | Mastercard Inc                              | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |    448600 | NS      | $245859716.00 | 4.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Mettler-Toledo International Inc             | Mettler-Toledo International Inc            | CUSIP: 592688105<br>LEI: 5493000BD5GJNUDIUG10 | Long             | EC               | CORP              | US        |     39600 | NS      | $42394572.00  | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp                               | Microsoft Corp                              | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |   1034700 | NS      | $408975522.00 | 7.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Middleby Corp/The                            | Middleby Corp/The                           | CUSIP: 596278101<br>LEI: JDFO86U9VQRBKW5KYA35 | Long             | EC               | CORP              | US        |    177200 | NS      | $23629620.00  | 0.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix Inc                                  | Netflix Inc                                 | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |     16600 | NS      | $18786552.00  | 0.35%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                                  | NVIDIA Corp                                 | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |   5151000 | NS      | $561046920.00 | 10.55%            |  |  |  | No            |                  1 | On Loan: No      |
| Otis Worldwide Corp                          | Otis Worldwide Corp                         | CUSIP: 68902V107<br>LEI: 549300ZLBKR8VSU25153 | Long             | EC               | CORP              | US        |    263400 | NS      | $25357518.00  | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinterest Inc                                | Pinterest Inc                               | CUSIP: 72352L106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    326800 | NS      | $8274576.00   | 0.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp/The                         | Progressive Corp/The                        | CUSIP: 743315103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    283700 | NS      | $79929638.00  | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Regeneron Pharmaceuticals Inc                | Regeneron Pharmaceuticals Inc               | CUSIP: 75886F107<br>LEI: 549300RCBFWIRX3HYQ56 | Long             | EC               | CORP              | US        |     92800 | NS      | $55564928.00  | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Roper Technologies Inc                       | Roper Technologies Inc                      | CUSIP: 776696106<br>LEI: 54930003T4SXCIWVXY35 | Long             | EC               | CORP              | US        |    186200 | NS      | $104286896.00 | 1.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Tesla Inc                                    | Tesla Inc                                   | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |    646100 | NS      | $182303576.00 | 3.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments Inc                        | Texas Instruments Inc                       | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |     58400 | NS      | $9346920.00   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| UL Solutions Inc                             | UL Solutions Inc                            | CUSIP: 903731107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    514700 | NS      | $29435693.00  | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| UnitedHealth Group Inc                       | UnitedHealth Group Inc                      | CUSIP: 91324P102<br>LEI: 549300GHBMY8T5GXDE41 | Long             | EC               | CORP              | US        |    112200 | NS      | $46163568.00  | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Veralto Corp                                 | Veralto Corp                                | CUSIP: 92338C103<br>LEI: 635400FJE6GSOJUSNY27 | Long             | EC               | CORP              | US        |    216200 | NS      | $20733580.00  | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Verisk Analytics Inc                         | Verisk Analytics Inc                        | CUSIP: 92345Y106<br>LEI: 549300I1YSWNIRKBWP67 | Long             | EC               | CORP              | US        |     43200 | NS      | $12805776.00  | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertex Pharmaceuticals Inc                   | Vertex Pharmaceuticals Inc                  | CUSIP: 92532F100<br>LEI: 54930015RAQRRZ5ZGJ91 | Long             | EC               | CORP              | US        |     45900 | NS      | $23386050.00  | 0.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                                     | Visa Inc                                    | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     71700 | NS      | $24772350.00  | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Warner Bros Discovery Inc                    | Warner Bros Discovery Inc                   | CUSIP: 934423104<br>LEI: 5493006ZCRFWKF6B1K26 | Long             | EC               | CORP              | US        |   1105400 | NS      | $9583818.00   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Zscaler Inc                                  | Zscaler Inc                                 | CUSIP: 98980G102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    309100 | NS      | $69909147.00  | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Crowdstrike Holdings Inc                     | Crowdstrike Holdings Inc CRWD 5 C460        | CUSIP: N/A<br>LEI: 549300YBY08K9KM4HX32       | N/A              | DE               | CORP              | US        |      -310 | NC      | $-165075.00   | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Bank of Montreal/Chicago IL 4.32 05/01/2025  | Bank of Montreal/Chicago IL 4.32 05/01/2025 | CUSIP: RPEO2J7E9<br>LEI: NQQ6HPCNCCU6TUTQYE16 | Long             | RA               | CORP              | US        |   2316893 | PA      | $2316892.55   | 0.04%             | 2025-05-01      | Fixed         | 4.32%                 | No            |                  2 | On Loan: No      |
| State Street Bank & Trust Co 4.36 05/01/2025 | Fixed Income Clearing Corp 4.36 05/01/2025  | CUSIP: RPEN2JAO5<br>LEI: 571474TGEMMWANRLN572 | Long             | RA               | CORP              | US        |  18533000 | PA      | $18533000.00  | 0.35%             | 2025-05-01      | Fixed         | 4.36%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-06-26

**Name of Applicant:** American Century Mutual Funds, Inc.

**Signature:** Amy R. Bitter

**Name of Signer:** Amy R. Bitter

**Title:** Assistant Treasurer