FLDR
Fidelity Low Duration Bond Factor ETF
Fidelity Merrimack Street Trust
ETFIndex fund
Expense ratio1
0.15%
Net assets2
$1.36B
Holdings2
361
Category
Taxable Bond
2025 return3
5.42%

Investment objective & strategy

As of Dec. 29, 2025 · prospectus

Objective. Fidelity Low Duration Bond Factor ETF seeks to provide investment returns that correspond, before fees and expenses, generally to the performance of the Fidelity Low Duration Investment Grade Factor Index?.

Strategy. Normally investing at least 80% of assets in securities included in the Fidelity Low Duration Investment Grade Factor IndexSM. The index is designed to optimize the balance of interest rate risk and credit risk such that both returns and risk measures may be improved relative to traditional U.S. investment grade floating rate note indices. The index is comprised solely of U.S. investment grade floating rate notes and U.S. Treasury notes. The Fidelity Low Duration Investment Grade Factor Index is constructed using Fidelity's rules-based proprietary index methodology. The weight of each component in the blend is set to target a duration, which seeks to optimize the balance of credit risk and interest rate risk. The final weights of securities within the … Normally investing at least 80% of assets in securities included in the Fidelity Low Duration Investment Grade Factor IndexSM. The index is designed to optimize the balance of interest rate risk and credit risk such that both returns and risk measures may be improved relative to traditional U.S. investment grade floating rate note indices. The index is comprised solely of U.S. investment grade floating rate notes and U.S. Treasury notes. The Fidelity Low Duration Investment Grade Factor Index is constructed using Fidelity's rules-based proprietary index methodology. The weight of each component in the blend is set to target a duration, which seeks to optimize the balance of credit risk and interest rate risk. The final weights of securities within the corporate floating rate notes component are determined by their market capitalization, subject to an issuer cap of 3.5%. Derivative instruments that provide investment exposure to the investments above or exposure to one or more market risk factors associated with such investments are included in the fund's 80% policy, consistent with the fund's investment policies and limitations with respect to investments in derivatives. Normally maintaining a duration of 1 year or less. Using statistical sampling techniques based on duration, maturity, interest rate sensitivity, security structure, and credit quality to attempt to replicate the returns of the Fidelity Low Duration Investment Grade Factor Index? using a smaller number of securities. Lending securities to earn income for the fund.

Top holdings

As of Feb. 28, 2026 · N-PORT
SecurityTickerValue% of fund
US TREASURY N/B $20.87M 1.54%
US TREASURY N/B $19.46M 1.44%
US TREASURY N/B $18.56M 1.37%
US TREASURY N/B $16.41M 1.21%
US TREASURY N/B $14.60M 1.08%
US TREASURY N/B $14.04M 1.04%
Citigroup Inc. $13.73M 1.01%
US TREASURY N/B $12.89M 0.95%
US TREASURY N/B $11.77M 0.87%
Wells Fargo & Co. $11.50M 0.85%
View all holdings →

Allocation by sector

As of February 28, 2026 · N-PORT
View portfolio breakdown →

Portfolio moves

Nov 30, 2025 → Feb 28, 2026
Opened
33
Exited
24
Increased
113
Decreased
25
Unchanged
190

How many positions this fund opened, exited, grew, trimmed, or left unchanged between its two most recent N-PORT snapshots — net changes between point-in-time reports, not a trade log.

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Advisers

As of August 31, 2025 · N-CEN
FirmRole
FMR Investment Management (UK) Limited Sub-adviser
Fidelity Management & Research (Japan) Limited Sub-adviser
Fidelity Management & Research (Hong Kong) Limited Sub-adviser
Fidelity Management & Research Company LLC Adviser

Footnotes

  1. Expense ratio as of December 29, 2025, from the fund's prospectus.
  2. Net assets and holdings count as of February 28, 2026, from the fund's N-PORT filing.
  3. Total return for calendar year 2025, before tax and after fund expenses. Computed by compounding the twelve monthly total returns the fund reported in its SEC N-PORT filings for 2025 (the latest prospectus does not yet chart this year).

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