# iShares MSCI USA Size Factor ETF

iShares MSCI USA Size Factor ETF is a ETF series of iShares Trust (series S000040204). Net assets $409.3M as of 2026-04-30. Index fund.

## Profile

- Series ID: S000040204
- Registrant: iShares Trust
- LEI: 5493007FX38U4LSCPO86
- Net assets: $409.3M
- Total assets: $418.1M
- As of: 2026-04-30
- Type: ETF, Index

## Advisers

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

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares](https://search.stillhousedata.com/security/066922519) | — | $8.8M | 215.49% |
| [WESTERN DIGITAL CORPORATION](https://search.stillhousedata.com/security/958102105) | — | $1.9M | 45.75% |
| [CIENA CORPORATION](https://search.stillhousedata.com/security/171779309) | — | $1.9M | 45.40% |
| [INTEL CORPORATION](https://search.stillhousedata.com/security/458140100) | — | $1.7M | 41.74% |
| [SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY](https://search.stillhousedata.com/security/G7997R103) | — | $1.7M | 41.38% |
| [BLOOM ENERGY CORPORATION](https://search.stillhousedata.com/security/093712107) | — | $1.6M | 40.22% |
| [ON SEMICONDUCTOR CORPORATION](https://search.stillhousedata.com/security/682189105) | — | $1.5M | 37.53% |
| [MICRON TECHNOLOGY, INC.](https://search.stillhousedata.com/security/595112103) | — | $1.4M | 34.80% |
| [TERADYNE, INC.](https://search.stillhousedata.com/security/880770102) | — | $1.4M | 34.54% |
| [KEYSIGHT TECHNOLOGIES, INC.](https://search.stillhousedata.com/security/49338L103) | — | $1.4M | 34.18% |
| [COMFORT SYSTEMS USA, INC.](https://search.stillhousedata.com/security/199908104) | — | $1.4M | 33.86% |
| [DOW INC.](https://search.stillhousedata.com/security/260557103) | — | $1.4M | 33.77% |
| [VERTIV HOLDINGS CO](https://search.stillhousedata.com/security/92537N108) | — | $1.3M | 32.95% |
| [ECHOSTAR CORPORATION](https://search.stillhousedata.com/security/278768106) | — | $1.3M | 32.39% |
| [MARVELL TECHNOLOGY, INC.](https://search.stillhousedata.com/security/573874104) | — | $1.3M | 32.02% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $409.3M |
| 2026-01-31 | $396.2M |
| 2025-10-31 | $369.4M |
| 2025-07-31 | $359.3M |
| 2025-04-30 | $313.9M |
| 2025-01-31 | $324.1M |
| 2024-10-31 | $317.2M |
| 2024-07-31 | $314.9M |

## More

- [Registrant: iShares Trust](https://search.stillhousedata.com/registrant/1100663)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000040204.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.