# iShares Municipal Bond Index Fund

iShares Municipal Bond Index Fund is a registered fund series of BlackRock Funds (series S000059911). Net assets $207.0M as of 2026-03-31. Index fund.

## Profile

- Series ID: S000059911
- Registrant: BlackRock Funds
- LEI: 549300NIGIW53ABV2U79
- Net assets: $207.0M
- Total assets: $207.9M
- As of: 2026-03-31
- Type: 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 |
| --- | --- | --- | --- |
| [New York Transportation Development Corp](https://search.stillhousedata.com/security/650116HW9) | — | $2.0M | 97.13% |
| [City of New York NY](https://search.stillhousedata.com/security/64966QQC7) | — | $1.8M | 87.01% |
| [Port Authority of New York & New Jersey](https://search.stillhousedata.com/security/73358XHW5) | — | $1.7M | 80.77% |
| [State of New Jersey](https://search.stillhousedata.com/security/646039YQ4) | — | $1.6M | 76.78% |
| [Los Angeles Unified School District/CA](https://search.stillhousedata.com/security/5446466Q0) | — | $1.6M | 75.32% |
| [New York City Transitional Finance Authority Building Aid Revenue](https://search.stillhousedata.com/security/64972HU67) | — | $1.5M | 70.86% |
| [Washington Metropolitan Area Transit Authority Dedicated Revenue](https://search.stillhousedata.com/security/93878YAU3) | — | $1.4M | 68.53% |
| [Commonwealth of Massachusetts](https://search.stillhousedata.com/security/57582RLC8) | — | $1.3M | 64.22% |
| [County of Miami-Dade FL Transit System](https://search.stillhousedata.com/security/59334PHV2) | — | $1.3M | 63.16% |
| [Metropolitan Washington Airports Authority Aviation Revenue](https://search.stillhousedata.com/security/592647KN0) | — | $1.3M | 62.05% |
| [Dallas Fort Worth International Airport](https://search.stillhousedata.com/security/2350365K2) | — | $1.3M | 61.74% |
| [New York State Dormitory Authority](https://search.stillhousedata.com/security/64990FL36) | — | $1.3M | 61.73% |
| [Parish of St John the Baptist LA](https://search.stillhousedata.com/security/79020FBB1) | — | $1.3M | 60.90% |
| [Texas Water Development Board](https://search.stillhousedata.com/security/882854J45) | — | $1.2M | 57.46% |
| [Eagle Mountain & Saginaw Independent School District](https://search.stillhousedata.com/security/269696TF7) | — | $1.2M | 57.23% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $207.0M |
| 2025-12-31 | $212.6M |
| 2025-09-30 | $213.8M |
| 2025-06-30 | $212.4M |
| 2025-03-31 | $224.1M |
| 2024-12-31 | $233.1M |
| 2024-09-30 | $240.4M |
| 2024-06-30 | $242.2M |

## More

- [Registrant: BlackRock Funds](https://search.stillhousedata.com/registrant/844779)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000059911.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.