# Fidelity Systematic Municipal Bond Index ETF

Fidelity Systematic Municipal Bond Index ETF is a ETF series of Fidelity Merrimack Street Trust (series S000089371). Net assets $178.4M as of 2026-03-31. Index fund.

## Profile

- Series ID: S000089371
- Registrant: Fidelity Merrimack Street Trust
- LEI: 254900SOPM7VUGA4G733
- Net assets: $178.4M
- Total assets: $178.9M
- As of: 2026-03-31
- Type: ETF, Index

## 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 |
| --- | --- | --- | --- |
| [CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV](https://search.stillhousedata.com/security/13013JEA0) | — | $4.1M | 227.52% |
| [KENTUCKY INC KY PUB ENERGY AUTH GAS SUPPLY REV](https://search.stillhousedata.com/security/74440DFN9) | — | $1.6M | 90.77% |
| [SALT RIVER PROJ AZ AGRIC and PWR](https://search.stillhousedata.com/security/79574CBW2) | — | $1.5M | 85.19% |
| [UNIVERSITY CA REVS](https://search.stillhousedata.com/security/91412HSH7) | — | $1.1M | 62.24% |
| [MAIN STR NAT GAS INC GA GAS SUPPLY REV](https://search.stillhousedata.com/security/56035DDX7) | — | $1.0M | 56.61% |
| [PENNSYLVANIA ST TPK COMMN TPK](https://search.stillhousedata.com/security/709225LE4) | — | $930K | 52.11% |
| [CALIFORNIA ST](https://search.stillhousedata.com/security/13063ENV4) | — | $922K | 51.71% |
| [SOUTHEAST ENERGY AUTHORITY A COOPERATIVE DISTRICT](https://search.stillhousedata.com/security/84136HBT9) | — | $873K | 48.96% |
| [NY PAYROLL MOBILITY TX](https://search.stillhousedata.com/security/89602HAA5) | — | $845K | 47.35% |
| [ILLINOIS ST](https://search.stillhousedata.com/security/452153JU4) | — | $838K | 46.97% |
| [NEW YORK TRANSPORTATION DEVELOPMENT CORP](https://search.stillhousedata.com/security/650116HA7) | — | $788K | 44.17% |
| [MAIN STR NAT GAS INC GA GAS SUPPLY REV](https://search.stillhousedata.com/security/56035DGT3) | — | $742K | 41.58% |
| [BLACK BELT ENERGY GAS DIST ALAGAS PROJ REV](https://search.stillhousedata.com/security/09182TDU8) | — | $721K | 40.43% |
| [LOS ANGELES CA UNI SCH DIST](https://search.stillhousedata.com/security/544647HN3) | — | $710K | 39.79% |
| [CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV](https://search.stillhousedata.com/security/13013JBJ4) | — | $678K | 38.02% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $178.4M |
| 2025-12-31 | $171.4M |
| 2025-09-30 | $168.3M |
| 2025-06-30 | $164.5M |

## More

- [Registrant: Fidelity Merrimack Street Trust](https://search.stillhousedata.com/registrant/1562565)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000089371.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.