# iShares MBS ETF

iShares MBS ETF is a ETF series of iShares Trust (series S000013702). Net assets $38.7B as of 2026-05-31. Index fund.

## Profile

- Series ID: S000013702
- Registrant: iShares Trust
- LEI: 549300M0TH0IE2E6RP07
- Net assets: $38.7B
- Total assets: $40.9B
- As of: 2026-05-31
- 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 CASH FUNDS](https://search.stillhousedata.com/security/066922477) | — | $2.6B | 677.23% |
| [Freddie Mac](https://search.stillhousedata.com/security/3132DWBP7) | — | $405.6M | 104.70% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H052660) | — | $367.1M | 94.76% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F052664) | — | $322.2M | 83.17% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H050664) | — | $260.2M | 67.17% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F050668) | — | $249.2M | 64.33% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/3618N5A33) | — | $213.0M | 54.98% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/36179WP93) | — | $209.9M | 54.18% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/36179WTX6) | — | $206.3M | 53.26% |
| [Fannie Mae](https://search.stillhousedata.com/security/31418D7E6) | — | $202.3M | 52.21% |
| [Freddie Mac](https://search.stillhousedata.com/security/3132DWBH5) | — | $194.5M | 50.20% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H060663) | — | $176.7M | 45.63% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/36179WJR0) | — | $176.2M | 45.49% |
| [Fannie Mae](https://search.stillhousedata.com/security/31418D6B3) | — | $171.5M | 44.27% |
| [Fannie Mae](https://search.stillhousedata.com/security/3140XLE46) | — | $169.2M | 43.68% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $38.7B |
| 2026-02-28 | $39.8B |
| 2025-11-30 | $39.4B |
| 2025-08-31 | $41.0B |
| 2025-05-31 | $38.2B |
| 2025-02-28 | $37.6B |
| 2024-11-30 | $35.7B |
| 2024-08-31 | $33.5B |

## More

- [Registrant: iShares Trust](https://search.stillhousedata.com/registrant/1100663)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000013702.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.