# iShares National Muni Bond ETF

iShares National Muni Bond ETF is a ETF series of iShares Trust (series S000018861). Net assets $45.0B as of 2026-05-31. Index fund.

## Profile

- Series ID: S000018861
- Registrant: iShares Trust
- LEI: 549300H21FUYFQW9N157
- Net assets: $45.0B
- Total assets: $45.3B
- 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 Liquidity Funds](https://search.stillhousedata.com/security/09248U841) | — | $574.3M | 127.77% |
| [Board of Regents of the University of Texas System](https://search.stillhousedata.com/security/91514ANG6) | — | $86.7M | 19.28% |
| [New York State Thruway Authority](https://search.stillhousedata.com/security/650028ZA4) | — | $68.6M | 15.27% |
| [San Antonio Water System](https://search.stillhousedata.com/security/79642GTU6) | — | $64.0M | 14.23% |
| [Triborough Bridge & Tunnel Authority](https://search.stillhousedata.com/security/89602RPH2) | — | $61.0M | 13.56% |
| [New York City Transitional Finance Authority Future Tax Secured](https://search.stillhousedata.com/security/64971XKS6) | — | $59.4M | 13.21% |
| [New York State Dormitory Authority](https://search.stillhousedata.com/security/64990FPV0) | — | $59.3M | 13.20% |
| [Ohio State University (The)](https://search.stillhousedata.com/security/677632T92) | — | $57.8M | 12.85% |
| [Houston Higher Education Finance Corp.](https://search.stillhousedata.com/security/442378GP4) | — | $57.7M | 12.83% |
| [Northwest Independent School District](https://search.stillhousedata.com/security/667826HG9) | — | $57.4M | 12.77% |
| [State of New Jersey](https://search.stillhousedata.com/security/646039YM3) | — | $56.5M | 12.56% |
| [State of California](https://search.stillhousedata.com/security/13063D7Q5) | — | $55.9M | 12.43% |
| [State of Washington](https://search.stillhousedata.com/security/93974EVY9) | — | $55.5M | 12.34% |
| [Pennsylvania Turnpike Commission](https://search.stillhousedata.com/security/709224M30) | — | $52.7M | 11.73% |
| [Chicago Transit Authority Sales Tax Receipts Fund](https://search.stillhousedata.com/security/16772PEP7) | — | $51.5M | 11.45% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $45.0B |
| 2026-02-28 | $43.2B |
| 2025-11-30 | $41.6B |
| 2025-08-31 | $38.6B |
| 2025-05-31 | $38.8B |
| 2025-02-28 | $41.0B |
| 2024-11-30 | $41.2B |
| 2024-08-31 | $38.7B |

## More

- [Registrant: iShares Trust](https://search.stillhousedata.com/registrant/1100663)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000018861.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.