# EDGAR Filing Document

**Accession Number:** 0000863032
**File Stem:** 0001752724-25-158186
**Filing Date:** 2025-6
**Character Count:** 24867
**Document Hash:** 959f7325b01eeda4e64efab94f20e109
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-158186.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-158186

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250626

**DATE AS OF CHANGE**: 20250626

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS SERIES TRUST VI
- **CENTRAL INDEX KEY:** 0000863032

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-06102
- **FILM NUMBER:** 251077294

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 18006372929

**MAIL ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MFS WORLDWIDE TOTAL RETURN FUND
- **DATE OF NAME CHANGE:** 19930408

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MFS WORLDWIDE TOTAL RETURN TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### MFS Utilities Fund (Series ID: S000002470)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000006635 | A            | MMUFX           |
| C000006636 | R4           | MMUJX           |
| C000006637 | B            | MMUBX           |
| C000006638 | C            | MMUCX           |
| C000006639 | I            | MMUIX           |
| C000006641 | R1           | MMUGX           |
| C000006643 | R2           | MURRX           |
| C000006644 | R3           | MMUHX           |
| C000070410 | R6           | MMUKX           |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** MFS Series Trust VI

- **b. Investment Company Act file number:** 811-06102

- **c. CIK number of Registrant:** 0000863032

- **d. LEI of Registrant:** 549300TNIHF98FLHSE74

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

  - **Street Address 1:** 111 Huntington Avenue

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02199

  - **Telephone number:** 617-954-5000

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

- **a. Name of Series:** MFS Utilities Fund

- **b. EDGAR series identifier (if any):** S000002470

- **c. LEI of Series:** 7PN70WZSAN5180NLO003

**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:** $2457391448.76

**Total Liabilities:** $3704420.88

**Net Assets:** $2453687027.88

**Cash Not Reported:** $145.74

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000006638 | 0.49%                | 0.31%                | 1.33%                |
| Class ID C000070410 | 0.57%                | 0.37%                | 1.41%                |
| Class ID C000006637 | 0.49%                | 0.28%                | 1.33%                |
| Class ID C000006635 | 0.53%                | 0.34%                | 1.37%                |
| Class ID C000006644 | 0.58%                | 0.34%                | 1.37%                |
| Class ID C000006636 | 0.58%                | 0.35%                | 1.41%                |
| Class ID C000006643 | 0.53%                | 0.32%                | 1.38%                |
| Class ID C000006641 | 0.49%                | 0.28%                | 1.34%                |
| Class ID C000006639 | 0.57%                | 0.39%                | 1.36%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $12637943.31             | $-2182292.03                               |
| Month 2  | $1753941.37              | $11795576.40                               |
| Month 3  | $-3683610.89             | $47676710.56                               |

**Designated Index Information**

- **Index Name:** S&P 500

- **Index Identifier:** SPX

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $26998.13     | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| OGE Energy Corp.                                       | OGE Energy Corp.                                       | CUSIP: 670837103<br>LEI: CE5OG6JPOZMDSA0LAQ19 | Long             | EC               | CORP              | US        |    566466 | NS      | $25706227.08  | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $3146.15      | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| PG&E Corp.                                             | PG&E Corp.                                             | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |   9495162 | NS      | $156860076.24 | 6.39%             |  |  |  | No            |                  1 | On Loan: No      |
| RWE AG                                                 | RWE AG                                                 | CUSIP: N/A<br>LEI: 529900GB7KCA94ACC940       | Long             | EC               | CORP              | DE        |   2221503 | NS      | $86068734.86  | 3.51%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Institutional Money Market Portfolio               | MFS Institutional Money Market Portfolio, Class A      | CUSIP: 55291X109<br>LEI: 5L2W638H85N8T1136O07 | Long             | STIV             | RF                | US        |  19540144 | NS      | $19540143.75  | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-21763.22    | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| SBA Communications Corp.                               | SBA Communications Corp.                               | CUSIP: 78410G104<br>LEI: 5299001HX8ZN8Y8QIT49 | Long             | EC               | CORP              | US        |    274724 | NS      | $66867821.60  | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy, Inc.                                   | NextEra Energy, Inc.                                   | CUSIP: 65339F101<br>LEI: 254900RHL9MEUS5NKX63 | Long             | EC               | CORP              | US        |   3836295 | NS      | $256571409.60 | 10.46%            |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $9288.43      | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Edison International                                   | Edison International                                   | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |   1393263 | NS      | $74553503.13  | 3.04%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE Energy Co.                                         | DTE Energy Co.                                         | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |    865219 | NS      | $118535003.00 | 4.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corp.                                     | Atmos Energy Corp.                                     | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |    352850 | NS      | $56678295.50  | 2.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Enel SpA                                               | Enel SpA                                               | CUSIP: N/A<br>LEI: WOCMU6HCI0OJWNPRZS33       | Long             | EC               | CORP              | IT        |   7909732 | NS      | $68494366.99  | 2.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Southern Co. (The)                                     | Southern Co. (The)                                     | CUSIP: 842587107<br>LEI: 549300FC3G3YU2FBZD92 | Long             | EC               | CORP              | US        |   1082045 | NS      | $99429115.05  | 4.05%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-27406.20    | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| EDP SA                                                 | EDP SA                                                 | CUSIP: N/A<br>LEI: 529900CLC3WDMGI9VH80       | Long             | EC               | CORP              | PT        |   7404499 | NS      | $29253465.57  | 1.19%             |  |  |  | No            |                  2 | On Loan: —       |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-162183.81   | -0.01%            |  |  |  | No            |                  2 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-147.08      | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| EDP Renovaveis SA                                      | EDP Renovaveis SA                                      | CUSIP: N/A<br>LEI: 529900MUFAH07Q1TAX06       | Long             | EC               | CORP              | ES        |   4527113 | NS      | $42430508.70  | 1.73%             |  |  |  | No            |                  2 | On Loan: No      |
| Xcel Energy, Inc.                                      | Xcel Energy, Inc.                                      | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |   1827817 | NS      | $129226661.90 | 5.27%             |  |  |  | No            |                  1 | On Loan: No      |
| United Utilities Group plc                             | United Utilities Group plc                             | CUSIP: N/A<br>LEI: 2138002IEYQAOC88ZJ59       | Long             | EC               | CORP              | GB        |   1813602 | NS      | $27289411.81  | 1.11%             |  |  |  | No            |                  2 | On Loan: No      |
| Public Service Enterprise Group, Inc.                  | Public Service Enterprise Group, Inc.                  | CUSIP: 744573106<br>LEI: PUSS41EMO3E6XXNV3U28 | Long             | EC               | CORP              | US        |    580733 | NS      | $46417988.69  | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-22147.65    | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| PPL Corp.                                              | PPL Corp.                                              | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |   2475025 | NS      | $90338412.50  | 3.68%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-81618.25    | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $29745.12     | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Constellation Energy Corp.                             | Constellation Energy Corp.                             | CUSIP: 21037T109<br>LEI: 549300F8Y20RYGNGV346 | Long             | EC               | CORP              | US        |    629928 | NS      | $140751112.32 | 5.74%             |  |  |  | No            |                  1 | On Loan: No      |
| National Grid plc                                      | National Grid plc                                      | CUSIP: N/A<br>LEI: 8R95QZMKZLJX5Q2XR704       | Long             | EC               | CORP              | GB        |   3669877 | NS      | $53048629.41  | 2.16%             |  |  |  | No            |                  2 | On Loan: No      |
| Exelon Corp.                                           | Exelon Corp.                                           | CUSIP: 30161N101<br>LEI: 3SOUA6IRML7435B56G12 | Long             | EC               | CORP              | US        |    288669 | NS      | $13538576.10  | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-1389.51     | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| American Electric Power Co., Inc.                      | American Electric Power Co., Inc.                      | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |    822385 | NS      | $89097190.90  | 3.63%             |  |  |  | No            |                  1 | On Loan: No      |
| E.ON SE                                                | E.ON SE                                                | CUSIP: N/A<br>LEI: Q9MAIUP40P25UFBFG033       | Long             | EC               | CORP              | DE        |   1145085 | NS      | $20037338.12  | 0.82%             |  |  |  | No            |                  2 | On Loan: No      |
| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | Cia de Saneamento Basico do Estado de Sao Paulo SABESP | CUSIP: N/A<br>LEI: 254900UOXRZRS2TNWP19       | Long             | EC               | CORP              | BR        |    364500 | NS      | $7314855.99   | 0.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Vistra Corp.                                           | Vistra Corp.                                           | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |    657650 | NS      | $85251169.50  | 3.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Veolia Environnement SA                                | Veolia Environnement SA                                | CUSIP: N/A<br>LEI: 969500LENY69X51OOT31       | Long             | EC               | CORP              | FR        |    366648 | NS      | $13403004.89  | 0.55%             |  |  |  | No            |                  2 | On Loan: No      |
| Ameren Corp.                                           | Ameren Corp.                                           | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |    957522 | NS      | $95024483.28  | 3.87%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-3023.09     | -0.00%            |  |  |  | No            |                  2 | On Loan: No      |
| EDP Renovaveis SA                                      | EDP Renovaveis SA                                      | CUSIP: N/A<br>LEI: 529900MUFAH07Q1TAX06       | N/A              | DE               |  | ES        |   4527113 | NS      | $461568.60    | 0.02%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $612.59       | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Rogers Communications, Inc.                            | Rogers Communications, Inc., Class B                   | CUSIP: 775109200<br>LEI: 5493000M6Z4XFIP6PF03 | Long             | EC               | CORP              | CA        |    644723 | NS      | $16807880.91  | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Equatorial Energia SA                                  | Equatorial Energia SA                                  | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | BR        |   1289551 | NS      | $8364249.81   | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle West Capital Corp.                            | Pinnacle West Capital Corp.                            | CUSIP: 723484101<br>LEI: TWSEY0NEDUDCKS27AH81 | Long             | EC               | CORP              | US        |    508337 | NS      | $48383515.66  | 1.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Alliant Energy Corp.                                   | Alliant Energy Corp.                                   | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |    937930 | NS      | $57251247.20  | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-145378.25   | -0.01%            |  |  |  | No            |                  2 | On Loan: No      |
| Cellnex Telecom SA                                     | Cellnex Telecom SA                                     | CUSIP: N/A<br>LEI: 5493008T4YG3AQUI7P67       | Long             | EC               | CORP              | ES        |   1215420 | NS      | $49181543.29  | 2.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Sempra                                                 | Sempra                                                 | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |   1455760 | NS      | $108119295.20 | 4.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp.                                      | Duke Energy Corp.                                      | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |    220771 | NS      | $26938477.42  | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Portland General Electric Co.                          | Portland General Electric Co.                          | CUSIP: 736508847<br>LEI: GJOUP9M7C39GLSK9R870 | Long             | EC               | CORP              | US        |    840358 | NS      | $35395878.96  | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-931380.82   | -0.04%            |  |  |  | No            |                  2 | On Loan: No      |
| Dominion Energy, Inc.                                  | Dominion Energy, Inc.                                  | CUSIP: 25746U109<br>LEI: ILUL7B6Z54MRYCF6H308 | Long             | EC               | CORP              | US        |   1667045 | NS      | $90653907.10  | 3.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Hellenic Telecommunications Organization SA            | Hellenic Telecommunications Organization SA            | CUSIP: N/A<br>LEI: ELPUFM0XZRZO4LFXW404       | Long             | EC               | CORP              | GR        |    854849 | NS      | $16327064.37  | 0.67%             |  |  |  | No            |                  2 | On Loan: No      |
| CenterPoint Energy, Inc.                               | CenterPoint Energy, Inc.                               | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |    574557 | NS      | $22281320.46  | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-227823.57   | -0.01%            |  |  |  | No            |                  2 | On Loan: No      |
| SSE plc                                                | SSE plc                                                | CUSIP: N/A<br>LEI: 549300KI75VYLLMSK856       | Long             | EC               | CORP              | GB        |   2571426 | NS      | $58100653.26  | 2.37%             |  |  |  | No            |                  2 | On Loan: No      |
| N/A                                                    | Forward Foreign Currency Contract                      | CUSIP: N/A<br>LEI: N/A                        | N/A              | DFE              |  | N/A       |         1 | NC      | $-696632.49   | -0.03%            |  |  |  | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-05-30

**Name of Applicant:** MFS Series Trust VI

**Signature:** James Byrne

**Name of Signer:** James Byrne

**Title:** Assistant Treasurer