# Fidelity Municipal Bond Opportunities ETF

Fidelity Municipal Bond Opportunities ETF is a ETF series of Fidelity Merrimack Street Trust (series S000089370). Net assets $190.4M as of 2026-04-30.

## Profile

- Series ID: S000089370
- Registrant: Fidelity Merrimack Street Trust
- LEI: 2549008RHPG06XPPE919
- Net assets: $190.4M
- Total assets: $199.6M
- As of: 2026-04-30
- Type: ETF, Fund of funds

## Advisers

- [FMR Investment Management (UK) Limited (Subadvisor)](https://search.stillhousedata.com/firm/108273)
- [Fidelity Management & Research Company LLC (Advisor)](https://search.stillhousedata.com/firm/108281)
- [Fidelity Management & Research (Hong Kong) Limited (Subadvisor)](https://search.stillhousedata.com/firm/148045)
- [Fidelity Management & Research (Japan) Limited (Subadvisor)](https://search.stillhousedata.com/firm/148239)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A204) | — | $22.4M | 1176.23% |
| [MAIN STR NAT GAS INC GA GAS SUPPLY REV](https://search.stillhousedata.com/security/56035DJJ2) | — | $2.1M | 111.21% |
| [DALLAS FORT WORTH TX INTL ARPT](https://search.stillhousedata.com/security/23503CFM4) | — | $2.0M | 105.61% |
| [SAN ANTONIO TX ELEC and GAS REV](https://search.stillhousedata.com/security/79625GNU3) | — | $2.0M | 104.20% |
| [SOUTHEAST ENERGY AUTHORITY A COOPERATIVE DISTRICT](https://search.stillhousedata.com/security/84136HCT8) | — | $1.9M | 99.37% |
| [BLACK BELT ENERGY GAS DIST ALAGAS PROJ REV](https://search.stillhousedata.com/security/09182THS9) | — | $1.6M | 85.17% |
| [BLACK BELT ENERGY GAS DIST ALAGAS PROJ REV](https://search.stillhousedata.com/security/09182TJD0) | — | $1.6M | 84.86% |
| [UNIVERSITY KA HA HLTH FAC REV](https://search.stillhousedata.com/security/914367KC0) | — | $1.6M | 84.03% |
| [ILLINOIS FIN AUTH RV](https://search.stillhousedata.com/security/45204EY28) | — | $1.6M | 82.54% |
| [SOUTHEAST ENERGY AUTHORITY A COOPERATIVE DISTRICT](https://search.stillhousedata.com/security/84136HAH6) | — | $1.5M | 80.01% |
| [FULTON CNTY GA DEV AUTH REV](https://search.stillhousedata.com/security/36005FPL3) | — | $1.5M | 78.97% |
| [PENNSYLVANIA ST HIGHER EDL FACS AUTH REV](https://search.stillhousedata.com/security/70917TVB4) | — | $1.5M | 76.38% |
| [RHODE ISLAND ST STUDENT LN](https://search.stillhousedata.com/security/762315RG6) | — | $1.3M | 65.87% |
| [LANCASTER CNTY PA HOSP AUT REV](https://search.stillhousedata.com/security/514045Y31) | — | $1.2M | 62.63% |
| [TENNESSEE HSG DEV AGY RESIDENTIAL FIN PROG REV](https://search.stillhousedata.com/security/880461VY1) | — | $1.2M | 60.83% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $190.4M |
| 2026-01-31 | $154.8M |
| 2025-10-31 | $133.9M |
| 2025-07-31 | $106.2M |
| 2025-04-30 | $55.5M |

## More

- [Registrant: Fidelity Merrimack Street Trust](https://search.stillhousedata.com/registrant/1562565)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000089370.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.