# VANGUARD MID-CAP INDEX FUND

VANGUARD MID-CAP INDEX FUND is a ETF series of VANGUARD INDEX FUNDS (series S000002844). Net assets $198.3B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000002844
- Registrant: VANGUARD INDEX FUNDS
- LEI: F7RXEPKL33W3OZ8V3S02
- Net assets: $198.3B
- Total assets: $198.5B
- As of: 2026-03-31
- Type: ETF, 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) | — | $2.0B | 102.59% |
| [Howmet Aerospace Inc](https://search.stillhousedata.com/security/443201108) | — | $2.0B | 100.65% |
| [Western Digital Corp](https://search.stillhousedata.com/security/958102105) | — | $2.0B | 99.89% |
| [Constellation Energy Corp](https://search.stillhousedata.com/security/21037T109) | — | $1.9B | 93.69% |
| [Seagate Technology Holdings PLC](https://search.stillhousedata.com/security/G7997R103) | — | $1.8B | 93.06% |
| [Quanta Services Inc](https://search.stillhousedata.com/security/74762E102) | — | $1.8B | 89.47% |
| [SLB Ltd](https://search.stillhousedata.com/security/806857108) | — | $1.7B | 83.70% |
| [Cummins Inc](https://search.stillhousedata.com/security/231021106) | — | $1.6B | 80.97% |
| [Valero Energy Corp](https://search.stillhousedata.com/security/91913Y100) | — | $1.6B | 80.48% |
| [Phillips 66](https://search.stillhousedata.com/security/718546104) | — | $1.6B | 79.52% |
| [Marathon Petroleum Corp](https://search.stillhousedata.com/security/56585A102) | — | $1.6B | 78.39% |
| [Motorola Solutions Inc](https://search.stillhousedata.com/security/620076307) | — | $1.6B | 78.31% |
| [CRH PLC](https://search.stillhousedata.com/security/G25508105) | — | $1.5B | 76.52% |
| [Ross Stores Inc](https://search.stillhousedata.com/security/778296103) | — | $1.5B | 76.32% |
| [General Motors Co](https://search.stillhousedata.com/security/37045V100) | — | $1.5B | 73.36% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $198.3B |
| 2025-12-31 | $199.4B |
| 2025-09-30 | $201.4B |
| 2025-06-30 | $192.1B |
| 2025-03-31 | $175.3B |
| 2024-12-31 | $177.0B |
| 2024-09-30 | $175.7B |
| 2024-06-30 | $161.6B |

## More

- [Registrant: VANGUARD INDEX FUNDS](https://search.stillhousedata.com/registrant/36405)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002844.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.