# MFS Research Series

MFS Research Series is a registered fund series of MFS VARIABLE INSURANCE TRUST (series S000002668). Net assets $352.3M as of 2026-03-31.

## Profile

- Series ID: S000002668
- Registrant: MFS VARIABLE INSURANCE TRUST
- LEI: 7AZFU5SPWYPK4FGVLU76
- Net assets: $352.3M
- Total assets: $352.4M
- As of: 2026-03-31

## Advisers

- [Massachusetts Financial Services Company (Advisor)](https://search.stillhousedata.com/firm/110045)

## Top holdings (102 reported)

_Showing 15 of 102 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | — | $29.2M | 829.47% |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | — | $24.0M | 679.97% |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | — | $20.6M | 584.94% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | — | $16.2M | 458.79% |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | — | $15.7M | 446.57% |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | — | $10.8M | 306.65% |
| [Meta Platforms Inc](https://search.stillhousedata.com/security/30303M102) | — | $9.9M | 281.75% |
| [Mastercard Inc](https://search.stillhousedata.com/security/57636Q104) | — | $8.8M | 250.22% |
| [JPMorgan Chase & Co](https://search.stillhousedata.com/security/46625H100) | — | $8.7M | 246.89% |
| [Exxon Mobil Corp](https://search.stillhousedata.com/security/30231G102) | — | $6.8M | 193.62% |
| [Lam Research Corp](https://search.stillhousedata.com/security/512807306) | — | $5.2M | 148.67% |
| [Johnson & Johnson](https://search.stillhousedata.com/security/478160104) | — | $5.0M | 143.34% |
| [MFS Institutional Money Market Portfolio](https://search.stillhousedata.com/security/55291X109) | — | $4.4M | 125.14% |
| [RTX Corp](https://search.stillhousedata.com/security/75513E101) | — | $4.4M | 124.47% |
| Spotify Technology SA | — | $3.8M | 108.11% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $352.3M |
| 2025-12-31 | $374.4M |
| 2025-09-30 | $380.2M |
| 2025-06-30 | $380.2M |
| 2025-03-31 | $352.6M |
| 2024-12-31 | $767.2M |
| 2024-09-30 | $784.4M |
| 2024-06-30 | $761.6M |

## More

- [Registrant: MFS VARIABLE INSURANCE TRUST](https://search.stillhousedata.com/registrant/918571)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002668.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.