# iShares 20+ Year Treasury Bond ETF

iShares 20+ Year Treasury Bond ETF is a ETF series of iShares Trust (series S000004360). Net assets $42.9B as of 2026-05-31. Index fund.

## Profile

- Series ID: S000004360
- Registrant: iShares Trust
- LEI: 549300WWURKS1JGBZU59
- Net assets: $42.9B
- Total assets: $42.9B
- As of: 2026-05-31
- Type: ETF, Index

## Advisers

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

## Top holdings (47 reported)

_Showing 15 of 47 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [United States of America](https://search.stillhousedata.com/security/912810TT5) | — | $2.0B | 457.85% |
| [United States of America](https://search.stillhousedata.com/security/912810TV0) | — | $1.9B | 450.06% |
| [United States of America](https://search.stillhousedata.com/security/912810UK2) | — | $1.9B | 446.17% |
| [United States of America](https://search.stillhousedata.com/security/912810UA4) | — | $1.9B | 440.03% |
| [United States of America](https://search.stillhousedata.com/security/912810SZ2) | — | $1.8B | 415.37% |
| [United States of America](https://search.stillhousedata.com/security/912810TB4) | — | $1.7B | 403.54% |
| [United States of America](https://search.stillhousedata.com/security/912810TX6) | — | $1.7B | 403.39% |
| [United States of America](https://search.stillhousedata.com/security/912810UR7) | — | $1.7B | 394.88% |
| [United States of America](https://search.stillhousedata.com/security/912810UC0) | — | $1.7B | 394.27% |
| [United States of America](https://search.stillhousedata.com/security/912810TR9) | — | $1.7B | 386.11% |
| [United States of America](https://search.stillhousedata.com/security/912810UG1) | — | $1.6B | 380.43% |
| [United States of America](https://search.stillhousedata.com/security/912810TL2) | — | $1.6B | 362.47% |
| [United States of America](https://search.stillhousedata.com/security/912810UE6) | — | $1.5B | 346.12% |
| [United States of America](https://search.stillhousedata.com/security/912810TN8) | — | $1.3B | 297.20% |
| [United States of America](https://search.stillhousedata.com/security/912810UM8) | — | $1.2B | 290.17% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $42.9B |
| 2026-02-28 | $45.4B |
| 2025-11-30 | $49.7B |
| 2025-08-31 | $47.5B |
| 2025-05-31 | $50.9B |
| 2025-02-28 | $53.3B |
| 2024-11-30 | $59.7B |
| 2024-08-31 | $62.0B |

## More

- [Registrant: iShares Trust](https://search.stillhousedata.com/registrant/1100663)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000004360.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.