# iShares Total U.S. Stock Market Index Fund

iShares Total U.S. Stock Market Index Fund is a registered fund series of BlackRock Funds (series S000050372). Net assets $4.5B as of 2026-04-30. Index fund.

## Profile

- Series ID: S000050372
- Registrant: BlackRock Funds
- LEI: 549300OKU5MO7RRH7M79
- Net assets: $4.5B
- Total assets: $4.6B
- As of: 2026-04-30
- Type: Index

## Advisers

- [BlackRock Fund Advisors (Subadvisor)](https://search.stillhousedata.com/firm/105247)
- [BlackRock Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/106614)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | — | $303.4M | 670.98% |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | — | $254.1M | 561.80% |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | — | $196.5M | 434.60% |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | — | $165.1M | 365.18% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | — | $145.0M | 320.73% |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | — | $125.2M | 276.92% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K107) | — | $117.7M | 260.33% |
| [Meta Platforms Inc](https://search.stillhousedata.com/security/30303M102) | — | $86.8M | 191.91% |
| [Tesla Inc](https://search.stillhousedata.com/security/88160R101) | — | $69.9M | 154.63% |
| [BlackRock Funds III](https://search.stillhousedata.com/security/066922519) | — | $61.5M | 136.10% |
| [Berkshire Hathaway Inc](https://search.stillhousedata.com/security/084670702) | — | $56.8M | 125.67% |
| [JPMorgan Chase & Co](https://search.stillhousedata.com/security/46625H100) | — | $55.3M | 122.38% |
| [Eli Lilly & Co](https://search.stillhousedata.com/security/532457108) | — | $48.6M | 107.55% |
| [Exxon Mobil Corp](https://search.stillhousedata.com/security/30231G102) | — | $42.4M | 93.69% |
| [Micron Technology Inc](https://search.stillhousedata.com/security/595112103) | — | $37.5M | 82.98% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $4.5B |
| 2026-01-31 | $4.3B |
| 2025-10-31 | $4.4B |
| 2025-07-31 | $4.1B |
| 2025-04-30 | $3.7B |
| 2025-01-31 | $3.9B |
| 2024-10-31 | $3.7B |
| 2024-07-31 | $3.5B |

## More

- [Registrant: BlackRock Funds](https://search.stillhousedata.com/registrant/844779)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000050372.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.