# EDGAR Filing Document

**Accession Number:** 0000918571
**File Stem:** 0001752724-23-037782
**Filing Date:** 2023-2
**Character Count:** 32791
**Document Hash:** 9eb8ecc3530820a780a659999fd3c22e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-037782.hdr.sgml**: 20230224

**ACCESSION NUMBER**: 0001752724-23-037782

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230224

**DATE AS OF CHANGE**: 20230224

**PERIOD START**: 20221231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS VARIABLE INSURANCE TRUST
- **CENTRAL INDEX KEY:** 0000918571
- **IRS NUMBER:** 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:** 23663327

**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:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-31

**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:** $315829818.74

**Total Liabilities:** $135359.86

**Net Assets:** $315694458.88

**Cash Not Reported:** $25730.78

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000007326 | 5.52%                | 6.93%                | -5.29%               |
| Class ID C000007327 | 5.49%                | 6.99%                | -5.32%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $2235563.65              | $14476867.20                               |
| Month 2  | $-1411726.97             | $23177145.11                               |
| Month 3  | $-1324103.71             | $-16182747.55                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| AZEK Co Inc/The                          | AZEK Co Inc/The                          | CUSIP: 05478C105<br>LEI: 5493002LDDDU1RX46815 | Long             | EC               | CORP              | US        |     79161 | NS      | $1608551.52   | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Hyatt Hotels Corp                        | Hyatt Hotels Corp                        | CUSIP: 448579102<br>LEI: T27JQIMTYSH41TCD5186 | Long             | EC               | CORP              | US        |     40933 | NS      | $3702389.85   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| AMETEK Inc                               | AMETEK Inc                               | CUSIP: 031100100<br>LEI: 549300WZDEF9KKE40E98 | Long             | EC               | CORP              | US        |     61964 | NS      | $8657610.08   | 2.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Alnylam Pharmaceuticals Inc              | Alnylam Pharmaceuticals Inc              | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |     14966 | NS      | $3556669.90   | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Teledyne Technologies Inc                | Teledyne Technologies Inc                | CUSIP: 879360105<br>LEI: 549300VSMO9KYQWDND94 | Long             | EC               | CORP              | US        |      2436 | NS      | $974180.76    | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| MSCI Inc                                 | MSCI Inc                                 | CUSIP: 55354G100<br>LEI: 549300HTIN2PD78UB763 | Long             | EC               | CORP              | US        |     19421 | NS      | $9034066.57   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Chipotle Mexican Grill Inc               | Chipotle Mexican Grill Inc               | CUSIP: 169656105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      2818 | NS      | $3909946.82   | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Pool Corp                                | Pool Corp                                | CUSIP: 73278L105<br>LEI: 5493005VZK1KMN6CO617 | Long             | EC               | CORP              | US        |      8115 | NS      | $2453407.95   | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Bumble Inc                               | Bumble Inc                               | CUSIP: 12047B105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     23502 | NS      | $494717.10    | 0.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Hess Corp                                | Hess Corp                                | CUSIP: 42809H107<br>LEI: UASVRYNXNK17ULIGK870 | Long             | EC               | CORP              | US        |     21040 | NS      | $2983892.80   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Repligen Corp                            | Repligen Corp                            | CUSIP: 759916109<br>LEI: 54930006QJ0T5AUO1E71 | Long             | EC               | CORP              | US        |      5382 | NS      | $911226.42    | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| PerkinElmer Inc                          | PerkinElmer Inc                          | CUSIP: 714046109<br>LEI: 549300IKL1SDPFI7N655 | Long             | EC               | CORP              | US        |     45316 | NS      | $6354209.52   | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Tractor Supply Co                        | Tractor Supply Co                        | CUSIP: 892356106<br>LEI: 549300OJ9VZHZRO6I137 | Long             | EC               | CORP              | US        |     18845 | NS      | $4239559.65   | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Software Inc/Canada        | Constellation Software Inc/Canada        | CUSIP: 21037X100<br>LEI: 549300B6PYHMCTDWQV29 | Long             | EC               | CORP              | CA        |      3009 | NS      | $4697862.36   | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies Inc                 | Agilent Technologies Inc                 | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |     43203 | NS      | $6465328.95   | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Burlington Stores Inc                    | Burlington Stores Inc                    | CUSIP: 122017106<br>LEI: 5299003Z37DVGKKC1W09 | Long             | EC               | CORP              | US        |     10615 | NS      | $2152297.40   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Dun & Bradstreet Holdings Inc            | Dun & Bradstreet Holdings Inc            | CUSIP: 26484T106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    188830 | NS      | $2315055.80   | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Black Knight Inc                         | Black Knight Inc                         | CUSIP: 09215C105<br>LEI: 549300TUSNXS3BFFML48 | Long             | EC               | CORP              | US        |     69813 | NS      | $4310952.75   | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Red Rock Resorts Inc                     | Red Rock Resorts Inc                     | CUSIP: 75700L108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     66811 | NS      | $2673108.11   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Bruker Corp                              | Bruker Corp                              | CUSIP: 116794108<br>LEI: LEBZ6VLQ6I8XB1NHVY15 | Long             | EC               | CORP              | US        |     54850 | NS      | $3748997.50   | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| ASM International NV                     | ASM International NV                     | CUSIP: 000000000<br>LEI: 7245001I22ND6ZFHX623 | Long             | EC               | CORP              | NL        |     10515 | NS      | $2652423.71   | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Enphase Energy Inc                       | Enphase Energy Inc                       | CUSIP: 29355A107<br>LEI: 5493008U7KIGMI59Z314 | Long             | EC               | CORP              | US        |     11287 | NS      | $2990603.52   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Vulcan Materials Co                      | Vulcan Materials Co                      | CUSIP: 929160109<br>LEI: 549300Q8LSNHAVWBNI21 | Long             | EC               | CORP              | US        |     37483 | NS      | $6563648.13   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Ascendis Pharma A/S                      | Ascendis Pharma A/S                      | CUSIP: 04351P101<br>LEI: 549300B66JN3W3J8GH73 | Long             | EC               | CORP              | DK        |     27635 | NS      | $3375062.55   | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEX Corp                                | IDEX Corp                                | CUSIP: 45167R104<br>LEI: 549300U5Y5EL6PHYLF13 | Long             | EC               | CORP              | US        |     26602 | NS      | $6074034.66   | 1.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Tyler Technologies Inc                   | Tyler Technologies Inc                   | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |     12244 | NS      | $3947588.04   | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Veeva Systems Inc                        | Veeva Systems Inc                        | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |      7477 | NS      | $1206638.26   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Rockwell Automation Inc                  | Rockwell Automation Inc                  | CUSIP: 773903109<br>LEI: VH3R4HHBHH12O0EXZJ88 | Long             | EC               | CORP              | US        |      3792 | NS      | $976705.44    | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Take-Two Interactive Software Inc        | Take-Two Interactive Software Inc        | CUSIP: 874054109<br>LEI: BOMSTHHJK882EWYX3334 | Long             | EC               | CORP              | US        |     38085 | NS      | $3965791.05   | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell Inc                              | Hubbell Inc                              | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |      3968 | NS      | $931210.24    | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| O'Reilly Automotive Inc                  | O'Reilly Automotive Inc                  | CUSIP: 67103H107<br>LEI: 549300K2RLMQL149Q332 | Long             | EC               | CORP              | US        |      9273 | NS      | $7826690.19   | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Gartner Inc                              | Gartner Inc                              | CUSIP: 366651107<br>LEI: PP55B5R38BFB8O8HH686 | Long             | EC               | CORP              | US        |     17212 | NS      | $5785641.68   | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| TransUnion                               | TransUnion                               | CUSIP: 89400J107<br>LEI: 549300ZS772LUNUMRB03 | Long             | EC               | CORP              | US        |     44250 | NS      | $2511187.50   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Nice Ltd                                 | Nice Ltd                                 | CUSIP: 653656108<br>LEI: 254900YTY4EF5Z4W0A51 | Long             | EC               | CORP              | IL        |     26619 | NS      | $5118833.70   | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Wolters Kluwer NV                        | Wolters Kluwer NV                        | CUSIP: 000000000<br>LEI: 724500TEM53I0U077B74 | Long             | EC               | CORP              | NL        |     56749 | NS      | $5938620.68   | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Martin Marietta Materials Inc            | Martin Marietta Materials Inc            | CUSIP: 573284106<br>LEI: 5299005MZ4WZECVATV08 | Long             | EC               | CORP              | US        |      2770 | NS      | $936176.90    | 0.30%             |  |  |  | No            |                  1 | On Loan: No      |
| CoStar Group Inc                         | CoStar Group Inc                         | CUSIP: 22160N109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     74420 | NS      | $5751177.60   | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Cadence Design Systems Inc               | Cadence Design Systems Inc               | CUSIP: 127387108<br>LEI: GCT7RXJOGLXPV0NXZY22 | Long             | EC               | CORP              | US        |     57206 | NS      | $9189571.84   | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| ICON PLC                                 | ICON PLC                                 | CUSIP: 000000000<br>LEI: 6354008SRQGEMC4XFI67 | Long             | EC               | CORP              | IE        |     28320 | NS      | $5501160.00   | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Entegris Inc                             | Entegris Inc                             | CUSIP: 29362U104<br>LEI: IYX6OWO7BT5DKO3BYG52 | Long             | EC               | CORP              | US        |     31743 | NS      | $2082023.37   | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Bright Horizons Family Solutions Inc     | Bright Horizons Family Solutions Inc     | CUSIP: 109194100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     57828 | NS      | $3648946.80   | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Thoughtworks Holding Inc                 | Thoughtworks Holding Inc                 | CUSIP: 88546E105<br>LEI: 984500E705D15F2DF680 | Long             | EC               | CORP              | US        |     40918 | NS      | $416954.42    | 0.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian Pacific Railway Ltd             | Canadian Pacific Railway Ltd             | CUSIP: 13645T100<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |      7378 | NS      | $550325.02    | 0.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Topicus.com Inc                          | Topicus.com Inc                          | CUSIP: 89072T102<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |      3915 | NS      | $205551.96    | 0.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Paylocity Holding Corp                   | Paylocity Holding Corp                   | CUSIP: 70438V106<br>LEI: 549300VH75FTB4DIEE07 | Long             | EC               | CORP              | US        |     17845 | NS      | $3466569.70   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Match Group Inc                          | Match Group Inc                          | CUSIP: 57667L107<br>LEI: 15OMOPB0A8K0EFUVD031 | Long             | EC               | CORP              | US        |     40229 | NS      | $1669101.21   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| SBA Communications Corp                  | SBA Communications Corp                  | CUSIP: 78410G104<br>LEI: 5299001HX8ZN8Y8QIT49 | Long             | EC               | CORP              | US        |     15257 | NS      | $4276689.67   | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Littelfuse Inc                           | Littelfuse Inc                           | CUSIP: 537008104<br>LEI: 549300MY7HLQFYTPCX75 | Long             | EC               | CORP              | US        |     11706 | NS      | $2577661.20   | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Domino's Pizza Inc                       | Domino's Pizza Inc                       | CUSIP: 25754A201<br>LEI: 25490005ZWM1IF9UXU57 | Long             | EC               | CORP              | US        |      4724 | NS      | $1636393.60   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| CCC Intelligent Solutions Holdings Inc   | CCC Intelligent Solutions Holdings Inc   | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      6114 | NS      | $53191.80     | 0.02%             |  |  |  | No            |                  2 | On Loan: No      |
| MFS Institutional Money Market Portfolio | MFS Institutional Money Market Portfolio | CUSIP: 55291X109<br>LEI: 5L2W638H85N8T1136O07 | Long             | STIV             | RF                | US        |   7724458 | NS      | $7726775.62   | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Envista Holdings Corp                    | Envista Holdings Corp                    | CUSIP: 29415F104<br>LEI: 549300BX623VURJZ5269 | Long             | EC               | CORP              | US        |    101591 | NS      | $3420568.97   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow Inc                           | ServiceNow Inc                           | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |      6922 | NS      | $2687604.94   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| FactSet Research Systems Inc             | FactSet Research Systems Inc             | CUSIP: 303075105<br>LEI: 549300ZSJE7NBK6K9P30 | Long             | EC               | CORP              | US        |      6445 | NS      | $2585798.45   | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Bio-Techne Corp                          | Bio-Techne Corp                          | CUSIP: 09073M104<br>LEI: 54930073RLKQ51TILZ35 | Long             | EC               | CORP              | US        |     21295 | NS      | $1764929.60   | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Lululemon Athletica Inc                  | Lululemon Athletica Inc                  | CUSIP: 550021109<br>LEI: 549300D9GZ4BMLDW5T40 | Long             | EC               | CORP              | US        |     12883 | NS      | $4127455.54   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Connections Inc                    | Waste Connections Inc                    | CUSIP: 94106B101<br>LEI: 549300HDLRTPBQU69P29 | Long             | EC               | CORP              | CA        |     40722 | NS      | $5398108.32   | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Endava PLC                               | Endava PLC                               | CUSIP: 29260V105<br>LEI: 213800JJ6CRPCWCQVZ25 | Long             | EC               | CORP              | GB        |      6763 | NS      | $517369.50    | 0.16%             |  |  |  | No            |                  1 | On Loan: No      |
| CCC Intelligent Solutions Holdings Inc   | CCC Intelligent Solutions Holdings Inc   | CUSIP: 12510Q100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     22010 | NS      | $191487.00    | 0.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Autodesk Inc                             | Autodesk Inc                             | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |     13559 | NS      | $2533770.33   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Legend Biotech Corp                      | Legend Biotech Corp                      | CUSIP: 52490G102<br>LEI: 254900EIUFZTW136H859 | Long             | EC               | CORP              | KY        |     19964 | NS      | $996602.88    | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Warner Music Group Corp                  | Warner Music Group Corp                  | CUSIP: 934550203<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     51477 | NS      | $1802724.54   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| LKQ Corp                                 | LKQ Corp                                 | CUSIP: 501889208<br>LEI: DS830JTTZQN6GK0I2E41 | Long             | EC               | CORP              | US        |     71059 | NS      | $3795261.19   | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Ulta Beauty Inc                          | Ulta Beauty Inc                          | CUSIP: 90384S303<br>LEI: 529900CIV6HN8M28YM82 | Long             | EC               | CORP              | US        |     12723 | NS      | $5967977.61   | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Ingersoll Rand Inc                       | Ingersoll Rand Inc                       | CUSIP: 45687V106<br>LEI: 5299004C02FMZCUOIR50 | Long             | EC               | CORP              | US        |     18513 | NS      | $967304.25    | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Monolithic Power Systems Inc             | Monolithic Power Systems Inc             | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |     21633 | NS      | $7649645.13   | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Five Below Inc                           | Five Below Inc                           | CUSIP: 33829M101<br>LEI: 529900AAXP5Z6BGI7418 | Long             | EC               | CORP              | US        |     17210 | NS      | $3043932.70   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Copart Inc                               | Copart Inc                               | CUSIP: 217204106<br>LEI: 549300KVYX3JWMYEHU61 | Long             | EC               | CORP              | US        |     75642 | NS      | $4605841.38   | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Diamondback Energy Inc                   | Diamondback Energy Inc                   | CUSIP: 25278X109<br>LEI: 549300R22LSX6OHWEN64 | Long             | EC               | CORP              | US        |     20395 | NS      | $2789628.10   | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Electronic Arts Inc                      | Electronic Arts Inc                      | CUSIP: 285512109<br>LEI: 549300O7A67PUEYKDL45 | Long             | EC               | CORP              | US        |     11644 | NS      | $1422663.92   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Verisk Analytics Inc                     | Verisk Analytics Inc                     | CUSIP: 92345Y106<br>LEI: 549300I1YSWNIRKBWP67 | Long             | EC               | CORP              | US        |     42100 | NS      | $7427282.00   | 2.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Church & Dwight Co Inc                   | Church & Dwight Co Inc                   | CUSIP: 171340102<br>LEI: POOXSI30AWAQGYJZC921 | Long             | EC               | CORP              | US        |     38769 | NS      | $3125169.09   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys Inc                             | Synopsys Inc                             | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     13818 | NS      | $4411949.22   | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Howmet Aerospace Inc                     | Howmet Aerospace Inc                     | CUSIP: 443201108<br>LEI: 549300HO5WFZUT5N2T22 | Long             | EC               | CORP              | US        |    127243 | NS      | $5014646.63   | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Nasdaq Inc                               | Nasdaq Inc                               | CUSIP: 631103108<br>LEI: 549300L8X1Q78ERXFD06 | Long             | EC               | CORP              | US        |    111607 | NS      | $6847089.45   | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Equifax Inc                              | Equifax Inc                              | CUSIP: 294429105<br>LEI: 5493004MCF8JDC86VS77 | Long             | EC               | CORP              | US        |     22184 | NS      | $4311682.24   | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Mettler-Toledo International Inc         | Mettler-Toledo International Inc         | CUSIP: 592688105<br>LEI: 5493000BD5GJNUDIUG10 | Long             | EC               | CORP              | US        |      2172 | NS      | $3139517.40   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Extra Space Storage Inc                  | Extra Space Storage Inc                  | CUSIP: 30225T102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     26016 | NS      | $3829034.88   | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Chesapeake Energy Corp                   | Chesapeake Energy Corp                   | CUSIP: 165167735<br>LEI: X2MT1W32SPAZ9WSKLE78 | Long             | EC               | CORP              | US        |     28452 | NS      | $2685015.24   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| STERIS PLC                               | STERIS PLC                               | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IE        |     38659 | NS      | $7139930.71   | 2.26%             |  |  |  | No            |                  1 | On Loan: No      |
| S&P Global Inc                           | S&P Global Inc                           | CUSIP: 78409V104<br>LEI: Y6X4K52KMJMZE7I7MY94 | Long             | EC               | CORP              | US        |      1700 | NS      | $569398.00    | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Morningstar Inc                          | Morningstar Inc                          | CUSIP: 617700109<br>LEI: 529900YGNQPOVAXQ7F29 | Long             | EC               | CORP              | US        |     10666 | NS      | $2310148.94   | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Waters Corp                              | Waters Corp                              | CUSIP: 941848103<br>LEI: 5T547R1474YC9HOD8Q74 | Long             | EC               | CORP              | US        |     11621 | NS      | $3981122.18   | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Arthur J Gallagher & Co                  | Arthur J Gallagher & Co                  | CUSIP: 363576109<br>LEI: 54930049QLLMPART6V29 | Long             | EC               | CORP              | US        |     52431 | NS      | $9885340.74   | 3.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Henry Schein Inc                         | Henry Schein Inc                         | CUSIP: 806407102<br>LEI: VGO3WGL8H45T73F4RR92 | Long             | EC               | CORP              | US        |     40201 | NS      | $3210853.87   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Westinghouse Air Brake Technologies Corp | Westinghouse Air Brake Technologies Corp | CUSIP: 929740108<br>LEI: 06BTX5UWZD0GQ5N5Y745 | Long             | EC               | CORP              | US        |     35351 | NS      | $3528383.31   | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEXX Laboratories Inc                   | IDEXX Laboratories Inc                   | CUSIP: 45168D104<br>LEI: OGMTXK0LUU1HKV2P0J84 | Long             | EC               | CORP              | US        |      6184 | NS      | $2522824.64   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Maravai LifeSciences Holdings Inc        | Maravai LifeSciences Holdings Inc        | CUSIP: 56600D107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     43892 | NS      | $628094.52    | 0.20%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-01-17

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

**Signature:** Kasey Phillips

**Name of Signer:** Kasey Phillips

**Title:** Assistant Treasurer