# iShares Core Universal USD Bond ETF

iShares Core Universal USD Bond ETF is a ETF series of iShares Trust (series S000045644). Net assets $36.5B as of 2026-04-30. Index fund.

## Profile

- Series ID: S000045644
- Registrant: iShares Trust
- LEI: 549300IWM5U5LVTDP761
- Net assets: $36.5B
- Total assets: $37.7B
- 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 Liquidity Tempcash](https://search.stillhousedata.com/security/09248U643) | — | $1.1B | 288.17% |
| [BlackRock Funds III](https://search.stillhousedata.com/security/066922477) | — | $341.2M | 93.37% |
| [United States of America](https://search.stillhousedata.com/security/91282CLW9) | — | $135.6M | 37.12% |
| [United States of America](https://search.stillhousedata.com/security/91282CKQ3) | — | $134.0M | 36.67% |
| [United States of America](https://search.stillhousedata.com/security/91282CGQ8) | — | $133.8M | 36.61% |
| [United States of America](https://search.stillhousedata.com/security/91282CLF6) | — | $133.7M | 36.60% |
| [United States of America](https://search.stillhousedata.com/security/91282CNC1) | — | $131.4M | 35.95% |
| [United States of America](https://search.stillhousedata.com/security/91282CJZ5) | — | $131.3M | 35.93% |
| [United States of America](https://search.stillhousedata.com/security/91282CMM0) | — | $130.3M | 35.65% |
| [United States of America](https://search.stillhousedata.com/security/91282CJJ1) | — | $126.4M | 34.58% |
| [United States of America](https://search.stillhousedata.com/security/91282CPD7) | — | $125.7M | 34.40% |
| [United States of America](https://search.stillhousedata.com/security/91282CNT4) | — | $125.1M | 34.24% |
| [United States of America](https://search.stillhousedata.com/security/91282CPA3) | — | $121.6M | 33.29% |
| [United States of America](https://search.stillhousedata.com/security/91282CPJ4) | — | $121.6M | 33.27% |
| [United States of America](https://search.stillhousedata.com/security/91282CHT1) | — | $119.2M | 32.63% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $36.5B |
| 2026-01-31 | $35.1B |
| 2025-10-31 | $33.3B |
| 2025-07-31 | $33.2B |
| 2025-04-30 | $33.2B |
| 2025-01-31 | $32.3B |
| 2024-10-31 | $33.2B |
| 2024-07-31 | $29.2B |

## More

- [Registrant: iShares Trust](https://search.stillhousedata.com/registrant/1100663)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000045644.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.