# VANGUARD INSTITUTIONAL INDEX FUNDS

VANGUARD INSTITUTIONAL INDEX FUNDS (CIK 862084) is an SEC-registered fund company with 4 reporting fund series and $353.3B in net assets as of 2026-03-31.

## Registrant

- CIK: 862084
- File number: 811-06093
- LEI: 549300HU31ENFT74XN04
- Address: 100 Vanguard Boulevard, Malvern, US-PA, 19355
- Phone: 610-669-1000
- Net assets: $353.3B
- Total assets: $353.3B
- Fund series: 4
- Latest report: 2026-03-31

## Fund series (4)

| Series | Net assets |
| --- | --- |
| [VANGUARD INSTITUTIONAL INDEX FUND](https://search.stillhousedata.com/fund/S000002853) | $315.5B |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | $30.3B |
| [VANGUARD 0-3 MONTH TREASURY BILL ETF](https://search.stillhousedata.com/fund/S000090172) | $6.7B |
| [VANGUARD ULTRA-SHORT TREASURY ETF](https://search.stillhousedata.com/fund/S000090173) | $898.4M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | $1.9B |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | $1.8B |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | $1.3B |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | $969.0M |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | $805.2M |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | $706.7M |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K107) | $639.5M |
| [Meta Platforms Inc](https://search.stillhousedata.com/security/30303M102) | $602.7M |
| [Tesla Inc](https://search.stillhousedata.com/security/88160R101) | $503.9M |
| [Berkshire Hathaway Inc](https://search.stillhousedata.com/security/084670702) | $401.0M |
| [Eli Lilly & Co](https://search.stillhousedata.com/security/532457108) | $376.1M |
| [JPMorgan Chase & Co](https://search.stillhousedata.com/security/46625H100) | $360.3M |
| [Exxon Mobil Corp](https://search.stillhousedata.com/security/30231G102) | $340.4M |
| [Johnson & Johnson](https://search.stillhousedata.com/security/478160104) | $283.6M |
| [Walmart Inc](https://search.stillhousedata.com/security/931142103) | $262.4M |

## More

- [CIK 862084 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=862084&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/862084.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.