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What Is the FIMU ETF? A Complete Guide to Returns, Fees, Holdings, and Alternative ETFs

Updated August 20, 2026 · First published August 19, 2026

The FIMU ETF, the Fidelity Intermediate Municipal Income ETF, is an actively managed product that centers on municipal bond interest and its tax characteristics. This guide covers the lack of distribution history, interest rate sensitivity, how to interpret dividend information, and the cost burden of fees.

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What Is the Fidelity Intermediate Municipal Income ETF?

The FIMU ETF is an actively managed product that invests mainly in municipal bonds paying interest exempt from federal income tax. It is an ETF share class of an existing strategy that pursues current income and capital preservation, with a focus on the intermediate maturity range.

It can be a candidate for investors who want to examine the tax treatment of municipal bond interest in taxable accounts while also understanding bond-based income and interest rate risk.

This is an ETF managed by Fidelity using an active management approach.

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How Does the Fidelity Intermediate Municipal Income ETF Invest?

ItemDetails
Tracked indexDoes not track a specific index
Management styleActive management
Rebalancing frequencyAdjusted at the manager's discretion
Distribution frequencyNo distribution history
Total expense ratio0.30%
ManagerFidelity

The FIMU ETF invests mainly in municipal bonds issued by local governments and public agencies that pay interest exempt from federal income tax. Its eligible holdings may include general obligation bonds, bonds tied to project revenue, and municipal bonds backed by a separately secured repayment source, and it adjusts its composition in light of interest rate and credit conditions.

  • Offers an ETF share class of an existing municipal bond strategy
  • Manages municipal bonds with a focus on tax-exempt interest
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Fidelity Intermediate Municipal Income ETF Size and Costs (AUM and Management Fee)

Assets under management (AUM) stand at $97.2M, and the total expense ratio is 0.30% per year.

When comparing liquidity and fees against similar products, it is more appropriate to check the bid-ask spread, trading continuity, and the actual cost of holding the FIMU ETF than to rely only on short-term figures on a screen.

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Fidelity Intermediate Municipal Income ETF Performance and Trends

1-Year Price Performance
Dividend & Yield
Dividend Yield 1.00%
Annual Dividend (TTM) $0.20
Next Ex-Dividend Date 11/2/2026
52-Week Price Range
$20
Low $19 High $20
vs. low +4.63% vs. high -2.44%

The price movement of the FIMU ETF can be affected by changes in market interest rates, the credit conditions of municipal bond issuers, and the tax law environment. Because the data shows no distribution history, it is necessary to look at changes in net asset value and market price together rather than relying on assumptions about distributions.

Fund flows into municipal bond products can vary with interest rate expectations, the tax treatment in taxable accounts, and the fiscal conditions of local governments. If issuance conditions and trading participation change, trading conditions can change as well, so fund inflows and outflows should be reviewed together with the market environment rather than as the result of a single factor.

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Fidelity Intermediate Municipal Income ETF Pros and Cons

Its strength is a municipal bond approach focused on tax-exempt interest, while investors must also consider risks from interest rates, issuer credit, and changes in tax law.

💪 Key Strengths

Tax characteristics considered
It sets its current income goal around municipal bonds that pay interest exempt from federal income tax.
Municipal bond-focused composition
It uses bonds tied to local governments and public agencies to cover the various forms of issuance in the municipal bond market.
ETF trading structure
It offers an existing municipal bond strategy as an ETF share class, giving investors access through an exchange.

⚠️ Points to Watch

Interest rate changes
Changes in market interest rates can affect the price and net asset value of intermediate-term municipal bonds.
Issuer credit
Changes in the fiscal conditions of local governments or related issuers can affect bond values and income stability.
Tax law and policy
Changes in federal or local tax laws and policies can affect the practical value of tax-exempt interest and demand for it.
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Fidelity Intermediate Municipal Income ETF Alternative ETFs and Related Products

No comparable listed fund candidates were provided, so a direct comparison with similar products is limited. The holdings listed in the provided data are MAIN, MAIN, CPBI, OBT, and NYT. Because these entries are data-based components, the nature of the actual investment exposure and its potential volatility should be verified separately through the latest disclosure materials. A comparison should consider strategy, interest rate sensitivity, tax treatment, and trading conditions together.

Peer Comparison ETFs
TickerNamePriceChangeAUMTotal Expense RatioDividend Yield1Y
MUBMUBiShares National Muni Bond ETF$104.91+0.1%$54.9B0.05%3.26%-2.2%
VTEBVTEBVanguard Tax-Exempt Bond ETF$49.24+0.2%$53.5B0.03%3.46%-2.3%
SUBSUBiShares Short-Term National Muni Bond ETF$106.13+0.1%$13.4B0.07%2.57%-0.2%
JMUBJMUBJPMorgan Municipal ETF$49.40+0.1%$9.2B0.18%3.79%-2.5%
JMSTJMSTJPMorgan Ultra-Short Municipal Income ETF$50.93+0.0%$8.4B0.18%2.54%+0.1%
Top Holdings
TickerNameWeightPriceChangeMarket CapP/EDividend Yield
MAINMAINMain Street Capital Corp0.02%$57.01+0.3%$5.3B14.37.29%
CPBICPBICentral Plains Bancshares Inc0.01%$20.80+0.7%$87.5M17.7-
NYTNYTNew York Times Co0.00%$68.36+4.3%$11.0B27.41.31%
OBTOBTOrange County Bancorp Inc0.00%$39.50-0.9%$529.7M10.61.72%
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Fidelity Intermediate Municipal Income ETF Investor Checkpoints

When reviewing the FIMU ETF, investors should look at maturity sensitivity, issuer credit, and trading conditions together rather than judging it on the tax characteristics of municipal bonds alone. It is also necessary to distinguish between the data status of no distribution history and what the actual disclosures say.

CheckpointWhat to CheckCurrent Status
Investment objectiveWhether it fits goals of tax-exempt interest and capital preservationNeeds confirmation
Interest rate sensitivityPotential price changes based on the maturity structureNeeds review
Credit conditionsIssuers' fiscal condition and bond termsNeeds confirmation
Distribution historyNo distribution history and interpretation of total returnNo distribution history

Municipal bonds can be affected by market interest rates, issuers' fiscal conditions, and changes in tax law or policy. An ETF's trading price can differ from its net asset value, and trading conditions can change if trading participation declines, so investors should check both the risks of the bonds themselves and the risks of the ETF structure.

The FIMU ETF is a subject of analysis for those who want to examine tax-exempt interest and bond income through intermediate-term municipal bonds. Whether the product's purpose suits an individual's situation must be judged separately, including tax treatment and risk tolerance, and this content is general information, not personalized financial advice.

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Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.

This article reflects information as of August 20, 2026.

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