# EDGAR Filing Document

**Accession Number:** 0001065698
**File Stem:** 0001752724-25-200818
**Filing Date:** 2025-8
**Character Count:** 10968
**Document Hash:** 93fbcb8f9d3135708a919c50320afc8d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-200818.hdr.sgml**: 20250825

**ACCESSION NUMBER**: 0001752724-25-200818

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250825

**DATE AS OF CHANGE**: 20250825

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS VARIABLE INSURANCE TRUST III
- **CENTRAL INDEX KEY:** 0001065698

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08879
- **FILM NUMBER:** 251248118

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 617-954-5000

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SUN CAPITAL ADVISERS TRUST
- **DATE OF NAME CHANGE:** 19980709

## Series and Classes Contracts Data

### MFS Growth Allocation Portfolio (Series ID: S000023373)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000068444 | Initial Class |  |
| C000068445 | Service Class |  |

## 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 VARIABLE INSURANCE TRUST III

- **b. Investment Company Act file number:** 811-08879

- **c. CIK number of Registrant:** 0001065698

- **d. LEI of Registrant:** 549300QPPZUNGK3D0K61

- **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 Growth Allocation Portfolio

- **b. EDGAR series identifier (if any):** S000023373

- **c. LEI of Series:** 54930042PRE3Y8FI7E86

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

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**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:** $321037725.62

**Total Liabilities:** $689102.71

**Net Assets:** $320348622.91

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000068445 | 0.40%                | 4.23%                | 3.21%                |
| Class ID C000068444 | 0.50%                | 4.24%                | 3.22%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-209229.97              | $1590723.07                                |
| Month 2  | $35769.66                | $12408459.03                               |
| Month 3  | $139869.97               | $9970736.78                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| MFS VIT Mid Cap Growth Series                                           | MFS VIT Mid Cap Growth Series                                           | CUSIP: 55273F670<br>LEI: DQS0BFT7TBCF2MYV2M94 | Long             | EC               | RF                | US        |   2916845 | NS      | $29139276.68  | 9.10%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust II - MFS International Growth Portfolio    | MFS Variable Insurance Trust II - MFS International Growth Portfolio    | CUSIP: 55274F463<br>LEI: 8UVRTCWHDB4PB6VBAF77 | Long             | EC               | RF                | US        |    894402 | NS      | $16296010.82  | 5.09%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT III Limited Maturity Portfolio                                  | MFS VIT III Limited Maturity Portfolio                                  | CUSIP: 86664T540<br>LEI: 549300278SPJGR06E765 | Long             | EC               | RF                | US        |    302701 | NS      | $3154141.62   | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust - MFS Value Series                         | MFS Variable Insurance Trust - MFS Value Series                         | CUSIP: 55273F654<br>LEI: 36LLVSYF4DQZKJ4FYT68 | Long             | EC               | RF                | US        |   1521446 | NS      | $35130185.67  | 10.97%            |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT III Global Real Estate Portfolio                                | MFS VIT III Global Real Estate Portfolio                                | CUSIP: 86664T300<br>LEI: 549300YBJ6K5SOLBY732 | Long             | EC               | RF                | US        |   1229789 | NS      | $15802787.78  | 4.93%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT III Mid Cap Value Portfolio                                     | MFS VIT III Mid Cap Value Portfolio                                     | CUSIP: 86664T532<br>LEI: 549300DTS6NIQDMEIL78 | Long             | EC               | RF                | US        |   2694547 | NS      | $28643035.13  | 8.94%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT III New Discovery Value Portfolio                               | MFS VIT III New Discovery Value Portfolio                               | CUSIP: 86664T441<br>LEI: 549300X8U0YDKOFKNA72 | Long             | EC               | RF                | US        |    799944 | NS      | $6351557.62   | 1.98%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT II - International Intrinsic Value Portfolio                    | MFS VIT II - International Intrinsic Value Portfolio                    | CUSIP: 55274F455<br>LEI: R8FUCFNPB06NBDV4PQ02 | Long             | EC               | RF                | US        |    458092 | NS      | $16335577.44  | 5.10%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust II - MFS Emerging Markets Equity Portfolio | MFS Variable Insurance Trust II - MFS Emerging Markets Equity Portfolio | CUSIP: 55274F554<br>LEI: 0ZF3BKK2HYOQKNENVD39 | Long             | EC               | RF                | US        |    205645 | NS      | $3236847.59   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Growth Series                                                       | MFS Growth Series                                                       | CUSIP: 55273F100<br>LEI: IVAD1C1VZOLTR3W5MQ64 | Long             | EC               | RF                | US        |    425818 | NS      | $33443775.88  | 10.44%            |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust - Research Series                          | MFS Variable Insurance Trust - Research Series                          | CUSIP: 55273F308<br>LEI: 7AZFU5SPWYPK4FGVLU76 | Long             | EC               | RF                | US        |    798947 | NS      | $29832669.40  | 9.31%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Institutional Money Market Portfolio                                | MFS Institutional Money Market Portfolio                                | CUSIP: 55291X109<br>LEI: 5L2W638H85N8T1136O07 | Long             | EC               | RF                | US        |   5331854 | NS      | $5332387.63   | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust II - MFS Research International Portfolio  | MFS Variable Insurance Trust II - MFS Research International Portfolio  | CUSIP: 55274F356<br>LEI: X2VCGKUPS3KBELF38X91 | Long             | EC               | RF                | US        |   1646417 | NS      | $32681385.25  | 10.20%            |  |  |  | No            |                  1 | On Loan: No      |
| MFS VIT III Inflation Adjusted Bond Portfolio                           | MFS VIT III Inflation Adjusted Bond Portfolio                           | CUSIP: 86664T359<br>LEI: 5493008RHGZT7FZTCC74 | Long             | EC               | RF                | US        |   1910212 | NS      | $15892962.11  | 4.96%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Total Return Bond Series                                            | MFS Total Return Bond Series                                            | CUSIP: 55273F878<br>LEI: OBXD0C7FWK5N6XF1PG71 | Long             | EC               | RF                | US        |   1191400 | NS      | $14261059.88  | 4.45%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS High Yield Portfolio                                                | MFS High Yield Portfolio                                                | CUSIP: 55274F471<br>LEI: ZJO44YL9IRHSPRALW090 | Long             | EC               | RF                | US        |   3019544 | NS      | $15852606.43  | 4.95%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Variable Insurance Trust II - MFS Global Governments Portfolio      | MFS Variable Insurance Trust II - MFS Global Governments Portfolio      | CUSIP: 55274F539<br>LEI: 6UIE5ULN0F0W22N47U94 | Long             | EC               | RF                | US        |   1409552 | NS      | $12714161.70  | 3.97%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS New Discovery Series                                                | MFS New Discovery Series                                                | CUSIP: 55273F845<br>LEI: UL64BH8MFVUS63PN5829 | Long             | EC               | RF                | US        |    446715 | NS      | $6414829.22   | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-15

**Name of Applicant:** MFS VARIABLE INSURANCE TRUST III

**Signature:** James Byrne

**Name of Signer:** James Byrne

**Title:** Assistant Treasurer