# EDGAR Filing Document

**Accession Number:** 0000918571
**File Stem:** 0001410368-26-016702
**Filing Date:** 2026-2
**Character Count:** 39497
**Document Hash:** d8fa148207dc870db2c2c666812cc56a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-016702.hdr.sgml**: 20260224

**ACCESSION NUMBER**: 0001410368-26-016702

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260224

**DATE AS OF CHANGE**: 20260224

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS VARIABLE INSURANCE TRUST
- **CENTRAL INDEX KEY:** 0000918571

**ORGANIZATION NAME:**
- **EIN:** 043226600
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08326
- **FILM NUMBER:** 26668418

**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

## Series and Classes Contracts Data

### MFS Mid Cap Growth Series (Series ID: S000002678)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000007326 | Initial Class |  |
| C000007327 | 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

- **b. Investment Company Act file number:** 811-08326

- **c. CIK number of Registrant:** 0000918571

- **d. LEI of Registrant:** 4GB90YGNINHU70MFQX13

- **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 Mid Cap Growth Series

- **b. EDGAR series identifier (if any):** S000002678

- **c. LEI of Series:** DQS0BFT7TBCF2MYV2M94

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

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

- **b. Date as of which information is reported:** 2025-12-31

**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:** $342969623.13

**Total Liabilities:** $1487894.02

**Net Assets:** $341481729.11

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000007326 | -1.90%               | -1.58%               | -1.72%               |
| Class ID C000007327 | -2.02%               | -1.62%               | -1.65%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $6725720.15              | $-13475533.64                              |
| Month 2  | $6011058.22              | $-11529059.10                              |
| Month 3  | $7322270.41              | $-13131644.82                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| ACV Auctions Inc                             | ACV Auctions Inc                             | CUSIP: 00091G104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     53416 | NS      | $428396.32    | 0.13%             |  |  |  | No            | 1                  | On Loan: No      |
| Agilent Technologies Inc                     | Agilent Technologies Inc                     | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |     33768 | NS      | $4594811.76   | 1.35%             |  |  |  | No            | 1                  | On Loan: No      |
| Alnylam Pharmaceuticals Inc                  | Alnylam Pharmaceuticals Inc                  | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |      7979 | NS      | $3172849.35   | 0.93%             |  |  |  | No            | 1                  | On Loan: No      |
| AMETEK Inc                                   | AMETEK Inc                                   | CUSIP: 031100100<br>LEI: 549300WZDEF9KKE40E98 | Long             | EC               | CORP              | US        |      4841 | NS      | $993905.71    | 0.29%             |  |  |  | No            | 1                  | On Loan: No      |
| Antero Resources Corp                        | Antero Resources Corp                        | CUSIP: 03674X106<br>LEI: APVBKPOULHUX7YZLKU17 | Long             | EC               | CORP              | US        |     41770 | NS      | $1439394.20   | 0.42%             |  |  |  | No            | 1                  | On Loan: No      |
| Aramark                                      | Aramark                                      | CUSIP: 03852U106<br>LEI: 549300MR6PG2DWZUIL39 | Long             | EC               | CORP              | US        |     59843 | NS      | $2205812.98   | 0.65%             |  |  |  | No            | 1                  | On Loan: No      |
| Ares Management Corp                         | Ares Management Corp                         | CUSIP: 03990B101<br>LEI: 529900JUV61FH7B8VW38 | Long             | EC               | CORP              | US        |     24852 | NS      | $4016828.76   | 1.18%             |  |  |  | No            | 1                  | On Loan: No      |
| Ascendis Pharma A/S                          | Ascendis Pharma A/S                          | CUSIP: 04351P101<br>LEI: 549300B66JN3W3J8GH73 | Long             | EC               | CORP              | DK        |     30678 | NS      | $6541776.72   | 1.92%             |  |  |  | No            | 1                  | On Loan: No      |
| Axon Enterprise Inc                          | Axon Enterprise Inc                          | CUSIP: 05464C101<br>LEI: 549300QP2IEEGFE16681 | Long             | EC               | CORP              | US        |     11570 | NS      | $6570950.10   | 1.92%             |  |  |  | No            | 1                  | On Loan: No      |
| BJ's Wholesale Club Holdings Inc             | BJ's Wholesale Club Holdings Inc             | CUSIP: 05550J101<br>LEI: 549300UCIWH1C93V0J03 | Long             | EC               | CORP              | US        |      5433 | NS      | $489132.99    | 0.14%             |  |  |  | No            | 1                  | On Loan: No      |
| BWX Technologies Inc                         | BWX Technologies Inc                         | CUSIP: 05605H100<br>LEI: 549300NP85N265KWMS58 | Long             | EC               | CORP              | US        |     16770 | NS      | $2898526.80   | 0.85%             |  |  |  | No            | 1                  | On Loan: No      |
| Bio-Rad Laboratories Inc                     | Bio-Rad Laboratories Inc                     | CUSIP: 090572207<br>LEI: 549300ZC1GPV35XYDK53 | Long             | EC               | CORP              | US        |      6718 | NS      | $2035486.82   | 0.60%             |  |  |  | No            | 1                  | On Loan: No      |
| Bio-Techne Corp                              | Bio-Techne Corp                              | CUSIP: 09073M104<br>LEI: 54930073RLKQ51TILZ35 | Long             | EC               | CORP              | US        |     43504 | NS      | $2558470.24   | 0.75%             |  |  |  | No            | 1                  | On Loan: No      |
| Bloom Energy Corp                            | Bloom Energy Corp                            | CUSIP: 093712107<br>LEI: 549300XB5J9BFW5JXV97 | Long             | EC               | CORP              | US        |      9438 | NS      | $820067.82    | 0.24%             |  |  |  | No            | 1                  | On Loan: No      |
| Burlington Stores Inc                        | Burlington Stores Inc                        | CUSIP: 122017106<br>LEI: 5299003Z37DVGKKC1W09 | Long             | EC               | CORP              | US        |     18050 | NS      | $5213742.50   | 1.53%             |  |  |  | No            | 1                  | On Loan: No      |
| CBRE Group Inc                               | CBRE Group Inc                               | CUSIP: 12504L109<br>LEI: 52990016II9MJ2OSWA10 | Long             | EC               | CORP              | US        |     46570 | NS      | $7487990.30   | 2.19%             |  |  |  | No            | 1                  | On Loan: No      |
| Cadence Design Systems Inc                   | Cadence Design Systems Inc                   | CUSIP: 127387108<br>LEI: GCT7RXJOGLXPV0NXZY22 | Long             | EC               | CORP              | US        |     15969 | NS      | $4991590.02   | 1.46%             |  |  |  | No            | 1                  | On Loan: No      |
| Cameco Corp                                  | Cameco Corp                                  | CUSIP: 13321L108<br>LEI: N4BHALMXL3GMZKCUON55 | Long             | EC               | CORP              | CA        |     40932 | NS      | $3744868.68   | 1.10%             |  |  |  | No            | 1                  | On Loan: No      |
| Caris Life Sciences Inc                      | Caris Life Sciences Inc                      | CUSIP: 142152107<br>LEI: 549300LX5LO78M5VPY43 | Long             | EC               | CORP              | US        |     11896 | NS      | $320954.08    | 0.09%             |  |  |  | No            | 1                  | On Loan: —       |
| Carlyle Group Inc/The                        | Carlyle Group Inc/The                        | CUSIP: 14316J108<br>LEI: 529900NGGVF94UK6PG95 | Long             | EC               | CORP              | US        |     88467 | NS      | $5229284.37   | 1.53%             |  |  |  | No            | 1                  | On Loan: No      |
| Carnival Corp                                | Carnival Corp                                | CUSIP: 143658300<br>LEI: F1OF2ZSX47CR0BCWA982 | Long             | EC               | CORP              | PA        |     79505 | NS      | $2428082.70   | 0.71%             |  |  |  | No            | 1                  | On Loan: No      |
| Carvana Co                                   | Carvana Co                                   | CUSIP: 146869102<br>LEI: 5493003WEAK2PJ5WS063 | Long             | EC               | CORP              | US        |     13677 | NS      | $5771967.54   | 1.69%             |  |  |  | No            | 1                  | On Loan: No      |
| Cava Group Inc                               | Cava Group Inc                               | CUSIP: 148929102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5807 | NS      | $340812.83    | 0.10%             |  |  |  | No            | 1                  | On Loan: No      |
| Celsius Holdings Inc                         | Celsius Holdings Inc                         | CUSIP: 15118V207<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     41399 | NS      | $1893590.26   | 0.55%             |  |  |  | No            | 1                  | On Loan: No      |
| Charles River Laboratories International Inc | Charles River Laboratories International Inc | CUSIP: 159864107<br>LEI: 549300BSQ0R4UZ5KX287 | Long             | EC               | CORP              | US        |     11959 | NS      | $2385581.32   | 0.70%             |  |  |  | No            | 1                  | On Loan: No      |
| Cheniere Energy Inc                          | Cheniere Energy Inc                          | CUSIP: 16411R208<br>LEI: MIHC87W9WTYSYZWV1J40 | Long             | EC               | CORP              | US        |     28045 | NS      | $5451667.55   | 1.60%             |  |  |  | No            | 1                  | On Loan: No      |
| Expand Energy Corp                           | Expand Energy Corp                           | CUSIP: 165167735<br>LEI: X2MT1W32SPAZ9WSKLE78 | Long             | EC               | CORP              | US        |     32433 | NS      | $3579305.88   | 1.05%             |  |  |  | No            | 1                  | On Loan: No      |
| Ciena Corp                                   | Ciena Corp                                   | CUSIP: 171779309<br>LEI: W0CZ7N0GH8UIGXDM1H41 | Long             | EC               | CORP              | US        |      9607 | NS      | $2246789.09   | 0.66%             |  |  |  | No            | 1                  | On Loan: No      |
| Cloudflare Inc                               | Cloudflare Inc                               | CUSIP: 18915M107<br>LEI: 5493007DY18BGNLDWU14 | Long             | EC               | CORP              | US        |     27788 | NS      | $5478404.20   | 1.60%             |  |  |  | No            | 1                  | On Loan: No      |
| Coherent Corp                                | Coherent Corp                                | CUSIP: 19247G107<br>LEI: 549300O5C25A0MMHHU33 | Long             | EC               | CORP              | US        |     14540 | NS      | $2683647.80   | 0.79%             |  |  |  | No            | 1                  | On Loan: No      |
| Constellation Software Inc/Canada            | Constellation Software Inc/Canada            | CUSIP: 21037X100<br>LEI: 549300B6PYHMCTDWQV29 | Long             | EC               | CORP              | CA        |      1866 | NS      | $4488297.26   | 1.31%             |  |  |  | No            | 1                  | On Loan: No      |
| CONSTELLATION SOFTWARE INC                   | CONSTELLATION SOFTWARE INC                   | CUSIP: 000000000<br>LEI: 549300B6PYHMCTDWQV29 | N/A              | DE               |  | CA        |      2984 | NS      | $0.00         | 0.00%             |  |  |  | No            | 2                  | On Loan: No      |
| CoStar Group Inc                             | CoStar Group Inc                             | CUSIP: 22160N109<br>LEI: 984500Q1D53D08E2E698 | Long             | EC               | CORP              | US        |     27374 | NS      | $1840627.76   | 0.54%             |  |  |  | No            | 1                  | On Loan: No      |
| Coupang Inc                                  | Coupang Inc                                  | CUSIP: 22266T109<br>LEI: 549300XR4L1D80AK4W76 | Long             | EC               | CORP              | US        |    202574 | NS      | $4778720.66   | 1.40%             |  |  |  | No            | 1                  | On Loan: No      |
| Curtiss-Wright Corp                          | Curtiss-Wright Corp                          | CUSIP: 231561101<br>LEI: TEL51ETZWP7D0ZM4X325 | Long             | EC               | CORP              | US        |      5923 | NS      | $3265172.21   | 0.96%             |  |  |  | No            | 1                  | On Loan: No      |
| Datadog Inc                                  | Datadog Inc                                  | CUSIP: 23804L103<br>LEI: 549300F6JNO0KRPO1K63 | Long             | EC               | CORP              | US        |     32637 | NS      | $4438305.63   | 1.30%             |  |  |  | No            | 1                  | On Loan: No      |
| Dexcom Inc                                   | Dexcom Inc                                   | CUSIP: 252131107<br>LEI: 549300YSK3QDSFR5EU59 | Long             | EC               | CORP              | US        |     12873 | NS      | $854381.01    | 0.25%             |  |  |  | No            | 1                  | On Loan: No      |
| DraftKings Inc                               | DraftKings Inc                               | CUSIP: 26142V105<br>LEI: 2549006G33IUL6IVOD83 | Long             | EC               | CORP              | US        |    120069 | NS      | $4137577.74   | 1.21%             |  |  |  | No            | 1                  | On Loan: No      |
| EMCOR Group Inc                              | EMCOR Group Inc                              | CUSIP: 29084Q100<br>LEI: 529900X0SQJB2J7YDU43 | Long             | EC               | CORP              | US        |      1951 | NS      | $1193602.29   | 0.35%             |  |  |  | No            | 1                  | On Loan: No      |
| Exact Sciences Corp                          | Exact Sciences Corp                          | CUSIP: 30063P105<br>LEI: 549300VM3X1FYD4N9Z14 | Long             | EC               | CORP              | US        |     44306 | NS      | $4499717.36   | 1.32%             |  |  |  | No            | 1                  | On Loan: No      |
| Figma Inc                                    | Figma Inc                                    | CUSIP: 316841105<br>LEI: 254900273Q0J4Z65HU28 | Long             | EC               | CORP              | US        |      6052 | NS      | $226163.24    | 0.07%             |  |  |  | No            | 1                  | On Loan: No      |
| Floor & Decor Holdings Inc                   | Floor & Decor Holdings Inc                   | CUSIP: 339750101<br>LEI: 549300M5FR3N688XGQ36 | Long             | EC               | CORP              | US        |     12809 | NS      | $779940.01    | 0.23%             |  |  |  | No            | 1                  | On Loan: No      |
| GFL Environmental Inc                        | GFL Environmental Inc                        | CUSIP: 36168Q104<br>LEI: 894500E7NLBY9VZRT696 | Long             | EC               | CORP              | CA        |     64511 | NS      | $2770747.45   | 0.81%             |  |  |  | No            | 1                  | On Loan: No      |
| Generac Holdings Inc                         | Generac Holdings Inc                         | CUSIP: 368736104<br>LEI: 529900S2H2AHJHSFFI84 | Long             | EC               | CORP              | US        |      6067 | NS      | $827356.79    | 0.24%             |  |  |  | No            | 1                  | On Loan: No      |
| Guidewire Software Inc                       | Guidewire Software Inc                       | CUSIP: 40171V100<br>LEI: 549300WXSG0J8IXZCK32 | Long             | EC               | CORP              | US        |     40726 | NS      | $8186333.26   | 2.40%             |  |  |  | No            | 1                  | On Loan: No      |
| Hexcel Corp                                  | Hexcel Corp                                  | CUSIP: 428291108<br>LEI: S6Q7LW43WUBUHXY2QP69 | Long             | EC               | CORP              | US        |     31747 | NS      | $2346103.30   | 0.69%             |  |  |  | No            | 1                  | On Loan: No      |
| Howmet Aerospace Inc                         | Howmet Aerospace Inc                         | CUSIP: 443201108<br>LEI: 549300HO5WFZUT5N2T22 | Long             | EC               | CORP              | US        |     68529 | NS      | $14049815.58  | 4.11%             |  |  |  | No            | 1                  | On Loan: No      |
| Hubbell Inc                                  | Hubbell Inc                                  | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |      2561 | NS      | $1137365.71   | 0.33%             |  |  |  | No            | 1                  | On Loan: No      |
| Hyatt Hotels Corp                            | Hyatt Hotels Corp                            | CUSIP: 448579102<br>LEI: T27JQIMTYSH41TCD5186 | Long             | EC               | CORP              | US        |     26416 | NS      | $4235013.12   | 1.24%             |  |  |  | No            | 1                  | On Loan: No      |
| Illumina Inc                                 | Illumina Inc                                 | CUSIP: 452327109<br>LEI: SQ95QG8SR5Q56LSNF682 | Long             | EC               | CORP              | US        |      5542 | NS      | $726888.72    | 0.21%             |  |  |  | No            | 1                  | On Loan: No      |
| Jabil Inc                                    | Jabil Inc                                    | CUSIP: 466313103<br>LEI: 5493000CGCQY2OQU7669 | Long             | EC               | CORP              | US        |      9350 | NS      | $2131987.00   | 0.62%             |  |  |  | No            | 1                  | On Loan: No      |
| LPL Financial Holdings Inc                   | LPL Financial Holdings Inc                   | CUSIP: 50212V100<br>LEI: 549300XROQ4Y8G2L7682 | Long             | EC               | CORP              | US        |     21721 | NS      | $7758089.57   | 2.27%             |  |  |  | No            | 1                  | On Loan: No      |
| ASM International NV                         | ASM International NV                         | CUSIP: 000000000<br>LEI: 7245001I22ND6ZFHX623 | Long             | EC               | CORP              | NL        |      2518 | NS      | $1517897.47   | 0.44%             |  |  |  | No            | 2                  | On Loan: No      |
| Liberty Media Corp-Liberty Formula One       | Liberty Media Corp-Liberty Formula One       | CUSIP: 531229755<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     12315 | NS      | $1213150.65   | 0.36%             |  |  |  | No            | 1                  | On Loan: No      |
| Live Nation Entertainment Inc                | Live Nation Entertainment Inc                | CUSIP: 538034109<br>LEI: 5493007B9BM9ZXJINO78 | Long             | EC               | CORP              | US        |     51963 | NS      | $7404727.50   | 2.17%             |  |  |  | No            | 1                  | On Loan: No      |
| MFS Institutional Money Market Portfolio     | MFS Institutional Money Market Portfolio     | CUSIP: 55291X109<br>LEI: 5L2W638H85N8T1136O07 | Long             | EC               | RF                | US        |   3769379 | NS      | $3770132.97   | 1.10%             |  |  |  | No            | 1                  | On Loan: No      |
| MACOM Technology Solutions Holdings Inc      | MACOM Technology Solutions Holdings Inc      | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      2851 | NS      | $488319.28    | 0.14%             |  |  |  | No            | 1                  | On Loan: No      |
| Manhattan Associates Inc                     | Manhattan Associates Inc                     | CUSIP: 562750109<br>LEI: 529900Q1GJP7KD52SW51 | Long             | EC               | CORP              | US        |     13499 | NS      | $2339511.69   | 0.69%             |  |  |  | No            | 1                  | On Loan: No      |
| Masimo Corp                                  | Masimo Corp                                  | CUSIP: 574795100<br>LEI: 549300Q4A8JK0PIYCU29 | Long             | EC               | CORP              | US        |     40704 | NS      | $5293962.24   | 1.55%             |  |  |  | No            | 1                  | On Loan: No      |
| Medline Inc                                  | Medline Inc                                  | CUSIP: 58507V107<br>LEI: 984500FAN6J1P8566D43 | Long             | EC               | CORP              | US        |     43648 | NS      | $1833216.00   | 0.54%             |  |  |  | No            | 1                  | On Loan: No      |
| Mirion Technologies Inc                      | Mirion Technologies Inc                      | CUSIP: 60471A101<br>LEI: 549300BNTOWVWFNVTJ65 | Long             | EC               | CORP              | US        |     32177 | NS      | $753585.34    | 0.22%             |  |  |  | No            | 1                  | On Loan: No      |
| MongoDB Inc                                  | MongoDB Inc                                  | CUSIP: 60937P106<br>LEI: 549300TPTG69WKWE1Z37 | Long             | EC               | CORP              | US        |      3753 | NS      | $1575096.57   | 0.46%             |  |  |  | No            | 1                  | On Loan: No      |
| Monolithic Power Systems Inc                 | Monolithic Power Systems Inc                 | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |      9367 | NS      | $8489874.12   | 2.49%             |  |  |  | No            | 1                  | On Loan: No      |
| Morningstar Inc                              | Morningstar Inc                              | CUSIP: 617700109<br>LEI: 529900YGNQPOVAXQ7F29 | Long             | EC               | CORP              | US        |      2584 | NS      | $561529.04    | 0.16%             |  |  |  | No            | 1                  | On Loan: No      |
| Nasdaq Inc                                   | Nasdaq Inc                                   | CUSIP: 631103108<br>LEI: 549300L8X1Q78ERXFD06 | Long             | EC               | CORP              | US        |     63771 | NS      | $6194077.23   | 1.81%             |  |  |  | No            | 1                  | On Loan: No      |
| Natera Inc                                   | Natera Inc                                   | CUSIP: 632307104<br>LEI: 529900CQ3OZ0A0VYVU59 | Long             | EC               | CORP              | US        |     34422 | NS      | $7885735.98   | 2.31%             |  |  |  | No            | 1                  | On Loan: No      |
| Netskope Inc                                 | Netskope Inc                                 | CUSIP: 64119N608<br>LEI: 254900CS525VJG6KO570 | Long             | EC               | CORP              | US        |     22900 | NS      | $401666.00    | 0.12%             |  |  |  | No            | 1                  | On Loan: No      |
| O'Reilly Automotive Inc                      | O'Reilly Automotive Inc                      | CUSIP: 67103H107<br>LEI: 549300K2RLMQL149Q332 | Long             | EC               | CORP              | US        |     53895 | NS      | $4915762.95   | 1.44%             |  |  |  | No            | 1                  | On Loan: No      |
| Okta Inc                                     | Okta Inc                                     | CUSIP: 679295105<br>LEI: 549300N8J06I8MRHU620 | Long             | EC               | CORP              | US        |     39990 | NS      | $3457935.30   | 1.01%             |  |  |  | No            | 1                  | On Loan: No      |
| Pegasystems Inc                              | Pegasystems Inc                              | CUSIP: 705573103<br>LEI: 549300FMCOKPL06FYN26 | Long             | EC               | CORP              | US        |     30992 | NS      | $1850842.24   | 0.54%             |  |  |  | No            | 1                  | On Loan: No      |
| Performance Food Group Co                    | Performance Food Group Co                    | CUSIP: 71377A103<br>LEI: 549300EUK8GR9IT1YK57 | Long             | EC               | CORP              | US        |     25978 | NS      | $2335941.76   | 0.68%             |  |  |  | No            | 1                  | On Loan: No      |
| Quanta Services Inc                          | Quanta Services Inc                          | CUSIP: 74762E102<br>LEI: SHVRXXEACT60MMH07S24 | Long             | EC               | CORP              | US        |     16307 | NS      | $6882532.42   | 2.02%             |  |  |  | No            | 1                  | On Loan: No      |
| Repligen Corp                                | Repligen Corp                                | CUSIP: 759916109<br>LEI: 54930006QJ0T5AUO1E71 | Long             | EC               | CORP              | US        |     19857 | NS      | $3253768.02   | 0.95%             |  |  |  | No            | 1                  | On Loan: No      |
| Robinhood Markets Inc                        | Robinhood Markets Inc                        | CUSIP: 770700102<br>LEI: 213800FS5AO3YWIE6F63 | Long             | EC               | CORP              | US        |     34416 | NS      | $3892449.60   | 1.14%             |  |  |  | No            | 1                  | On Loan: No      |
| ROBLOX Corp                                  | ROBLOX Corp                                  | CUSIP: 771049103<br>LEI: 529900ANZDBDFU91SO19 | Long             | EC               | CORP              | US        |     84687 | NS      | $6862187.61   | 2.01%             |  |  |  | No            | 1                  | On Loan: No      |
| ServiceTitan Inc                             | ServiceTitan Inc                             | CUSIP: 81764X103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      6549 | NS      | $697468.50    | 0.20%             |  |  |  | No            | 1                  | On Loan: No      |
| TKO Group Holdings Inc                       | TKO Group Holdings Inc                       | CUSIP: 87256C101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     34723 | NS      | $7257107.00   | 2.13%             |  |  |  | No            | 1                  | On Loan: No      |
| Take-Two Interactive Software Inc            | Take-Two Interactive Software Inc            | CUSIP: 874054109<br>LEI: BOMSTHHJK882EWYX3334 | Long             | EC               | CORP              | US        |     45321 | NS      | $11603535.63  | 3.40%             |  |  |  | No            | 1                  | On Loan: No      |
| Tapestry Inc                                 | Tapestry Inc                                 | CUSIP: 876030107<br>LEI: 549300LJNVY5SW3VTN33 | Long             | EC               | CORP              | US        |     26797 | NS      | $3423852.69   | 1.00%             |  |  |  | No            | 1                  | On Loan: No      |
| Tempus AI Inc                                | Tempus AI Inc                                | CUSIP: 88023B103<br>LEI: 2549009LA0KWRAGQBX50 | Long             | EC               | CORP              | US        |      5396 | NS      | $318633.80    | 0.09%             |  |  |  | No            | 1                  | On Loan: No      |
| Tractor Supply Co                            | Tractor Supply Co                            | CUSIP: 892356106<br>LEI: 549300OJ9VZHZRO6I137 | Long             | EC               | CORP              | US        |     16211 | NS      | $810712.11    | 0.24%             |  |  |  | No            | 1                  | On Loan: No      |
| TransUnion                                   | TransUnion                                   | CUSIP: 89400J107<br>LEI: 549300ZS772LUNUMRB03 | Long             | EC               | CORP              | US        |     39406 | NS      | $3379064.50   | 0.99%             |  |  |  | No            | 1                  | On Loan: No      |
| Trimble Inc                                  | Trimble Inc                                  | CUSIP: 896239100<br>LEI: 549300E2MI7NSZFQWS19 | Long             | EC               | CORP              | US        |     70467 | NS      | $5521089.45   | 1.62%             |  |  |  | No            | 1                  | On Loan: No      |
| Tyler Technologies Inc                       | Tyler Technologies Inc                       | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |      1363 | NS      | $618733.85    | 0.18%             |  |  |  | No            | 1                  | On Loan: No      |
| Unity Software Inc                           | Unity Software Inc                           | CUSIP: 91332U101<br>LEI: 549300D1ESJMGNQNG432 | Long             | EC               | CORP              | US        |     50555 | NS      | $2233014.35   | 0.65%             |  |  |  | No            | 1                  | On Loan: No      |
| VF Corp                                      | VF Corp                                      | CUSIP: 918204108<br>LEI: CWAJJ9DJ5Z7P057HV541 | Long             | EC               | CORP              | US        |     56643 | NS      | $1024105.44   | 0.30%             |  |  |  | No            | 1                  | On Loan: No      |
| Veeva Systems Inc                            | Veeva Systems Inc                            | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |      4312 | NS      | $962567.76    | 0.28%             |  |  |  | No            | 1                  | On Loan: No      |
| Vertiv Holdings Co                           | Vertiv Holdings Co                           | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |     12565 | NS      | $2035655.65   | 0.60%             |  |  |  | No            | 1                  | On Loan: No      |
| Vistra Corp                                  | Vistra Corp                                  | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |     56515 | NS      | $9117564.95   | 2.67%             |  |  |  | No            | 1                  | On Loan: No      |
| Vulcan Materials Co                          | Vulcan Materials Co                          | CUSIP: 929160109<br>LEI: 549300Q8LSNHAVWBNI21 | Long             | EC               | CORP              | US        |     17030 | NS      | $4857296.60   | 1.42%             |  |  |  | No            | 1                  | On Loan: No      |
| JP Morgan US Government Money Market Fund    | JP Morgan US Government Money Market Fund    | CUSIP: 4812C2270<br>LEI: 549300NQ5E5B7ZV4T516 | Long             | STIV             | RF                | US        |    942970 | NS      | $942970.00    | 0.28%             |  |  |  | No            | 1                  | On Loan: No      |
| Waters Corp                                  | Waters Corp                                  | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |      8975 | NS      | $3408974.25   | 1.00%             |  |  |  | No            | 1                  | On Loan: No      |
| Wingstop Inc                                 | Wingstop Inc                                 | CUSIP: 974155103<br>LEI: 549300SSH3F8HPIM3Q47 | Long             | EC               | CORP              | US        |     22256 | NS      | $5307833.44   | 1.55%             |  |  |  | No            | 1                  | On Loan: No      |
| Melrose Industries PLC                       | Melrose Industries PLC                       | CUSIP: 000000000<br>LEI: 213800RGNXXZY2M7TR85 | Long             | EC               | CORP              | GB        |    171155 | NS      | $1346578.43   | 0.39%             |  |  |  | No            | 2                  | On Loan: No      |
| CANADIAN DOLLAR                              | CANADIAN DOLLAR                              | CUSIP: 000000000<br>LEI: N/A                  | Long             |  |  | CA        |        29 | NS      | $21.49        | 0.00%             |  |  |  | No            | N/A                | On Loan: No      |
| Amer Sports Inc                              | Amer Sports Inc                              | CUSIP: 000000000<br>LEI: 391200YCSWTRD1J21867 | Long             | EC               | CORP              | KY        |     48078 | NS      | $1795713.30   | 0.53%             |  |  |  | No            | 1                  | On Loan: No      |
| Bullish                                      | Bullish                                      | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     18947 | NS      | $717522.89    | 0.21%             |  |  |  | No            | 1                  | On Loan: —       |
| Grab Holdings Ltd                            | Grab Holdings Ltd                            | CUSIP: 000000000<br>LEI: 549300N4VQX83VPJF439 | Long             | EC               | CORP              | KY        |    138907 | NS      | $693145.93    | 0.20%             |  |  |  | No            | 1                  | On Loan: No      |
| Seagate Technology Holdings PLC              | Seagate Technology Holdings PLC              | CUSIP: 000000000<br>LEI: 635400RUXIFEZSRU8X70 | Long             | EC               | CORP              | IE        |      7390 | NS      | $2035132.10   | 0.60%             |  |  |  | No            | 1                  | On Loan: No      |
| STERIS PLC                                   | STERIS PLC                                   | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IE        |     15624 | NS      | $3960996.48   | 1.16%             |  |  |  | No            | 1                  | On Loan: No      |
| Viking Holdings Ltd                          | Viking Holdings Ltd                          | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | BM        |     64228 | NS      | $4586521.48   | 1.34%             |  |  |  | No            | 1                  | On Loan: No      |
| Sportradar Group AG                          | Sportradar Group AG                          | CUSIP: 000000000<br>LEI: 549300H1P33YOAT7Z533 | Long             | EC               | CORP              | CH        |     87718 | NS      | $2085056.86   | 0.61%             |  |  |  | No            | 1                  | On Loan: No      |
| Spotify Technology SA                        | Spotify Technology SA                        | CUSIP: 000000000<br>LEI: 549300B4X0JHWV0DTD60 | Long             | EC               | CORP              | LU        |      3731 | NS      | $2166629.01   | 0.63%             |  |  |  | No            | 1                  | On Loan: No      |
| Oddity Tech Ltd                              | Oddity Tech Ltd                              | CUSIP: 000000000<br>LEI: 254900QH12XZS53G0V57 | Long             | EC               | CORP              | IL        |     17823 | NS      | $716128.14    | 0.21%             |  |  |  | No            | 1                  | On Loan: No      |
| Wix.com Ltd                                  | Wix.com Ltd                                  | CUSIP: 000000000<br>LEI: 5493008P6N29Q1AG9464 | Long             | EC               | CORP              | IL        |      6253 | NS      | $649624.17    | 0.19%             |  |  |  | No            | 1                  | On Loan: No      |
| Royal Caribbean Cruises Ltd                  | Royal Caribbean Cruises Ltd                  | CUSIP: 000000000<br>LEI: K2NEH8QNVW44JIWK7Z55 | Long             | EC               | CORP              | LR        |      9995 | NS      | $2787805.40   | 0.82%             |  |  |  | No            | 1                  | On Loan: No      |

### Signature

**Date Signed:** 2026-01-21

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

**Signature:** James Byrne

**Name of Signer:** James Byrne

**Title:** Assistant Treasurer