# MID-CAP INDEX PORTFOLIO

MID-CAP INDEX PORTFOLIO is a registered fund series of VANGUARD VARIABLE INSURANCE FUNDS (series S000004404). Net assets $3.2B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000004404
- Registrant: VANGUARD VARIABLE INSURANCE FUNDS
- LEI: FU4G3B84SVW07HHVW178
- Net assets: $3.2B
- Total assets: $3.2B
- As of: 2026-03-31
- Type: Index

## Advisers

- [The Vanguard Group, Inc. (Advisor)](https://search.stillhousedata.com/firm/105958)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Vertiv Holdings Co](https://search.stillhousedata.com/security/92537N108) | — | $33.1M | 104.39% |
| [Howmet Aerospace Inc](https://search.stillhousedata.com/security/443201108) | — | $31.9M | 100.61% |
| [Western Digital Corp](https://search.stillhousedata.com/security/958102105) | — | $31.7M | 99.85% |
| [Constellation Energy Corp](https://search.stillhousedata.com/security/21037T109) | — | $29.7M | 93.66% |
| [Seagate Technology Holdings PLC](https://search.stillhousedata.com/security/G7997R103) | — | $29.5M | 93.02% |
| [Quanta Services Inc](https://search.stillhousedata.com/security/74762E102) | — | $28.4M | 89.45% |
| [SLB Ltd](https://search.stillhousedata.com/security/806857108) | — | $26.6M | 83.67% |
| [Cummins Inc](https://search.stillhousedata.com/security/231021106) | — | $25.7M | 80.94% |
| [Valero Energy Corp](https://search.stillhousedata.com/security/91913Y100) | — | $25.5M | 80.44% |
| [Phillips 66](https://search.stillhousedata.com/security/718546104) | — | $25.2M | 79.49% |
| [Marathon Petroleum Corp](https://search.stillhousedata.com/security/56585A102) | — | $24.9M | 78.36% |
| [Motorola Solutions Inc](https://search.stillhousedata.com/security/620076307) | — | $24.8M | 78.29% |
| [CRH PLC](https://search.stillhousedata.com/security/G25508105) | — | $24.3M | 76.49% |
| [Ross Stores Inc](https://search.stillhousedata.com/security/778296103) | — | $24.2M | 76.30% |
| [General Motors Co](https://search.stillhousedata.com/security/37045V100) | — | $23.3M | 73.33% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $3.2B |
| 2025-12-31 | $3.2B |
| 2025-09-30 | $3.3B |
| 2025-06-30 | $3.1B |
| 2025-03-31 | $2.8B |
| 2024-12-31 | $2.9B |
| 2024-09-30 | $2.9B |
| 2024-06-30 | $2.6B |

## More

- [Registrant: VANGUARD VARIABLE INSURANCE FUNDS](https://search.stillhousedata.com/registrant/857490)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000004404.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.