Fidelity Total Bond ETF holds 4,650 positions and $26.1B in net assets as of May 31, 2026. The largest: UST Notes 27.0%, United States Treasury BOND 12.2%, FNMA GTD MTG PASS THRU CTF 5.0%, Fidelity Revere Street Trust 4.8%, GNMA II GTD PASS THRU CTF Multiple Issuer 4.1%.

What is the expense ratio of FBND?

FBND costs 0.36% a year, from its prospectus.

FBNDFidelity Total Bond ETF

ETF · Fidelity Merrimack Street Trust

$44.36close Nov 9, 2026

The fund

Holdings as of May 31, 2026, filed with the SEC.

$26.1B

net assets, all share classes

0.36%

yearly cost, from the prospectus

4,650

positions on file

Growth of $100

Total return with dividends reinvested, month by month since September 2019.

$100$113

20192026

+5.6%

last 12 months

+4.8%

a year, over 3 years

+0.9%

a year, over 5 years

Largest holdings

The top 10 issuers of 4,650 positions, by share of the fund.

UST NotesBonds: 27.0%
United States Treasury BONDBonds: 12.2%
FNMA GTD MTG PASS THRU CTFMortgage-backed: 5.0%
Fidelity Revere Street TrustCash and short-term: 4.8%
GNMA II GTD PASS THRU CTF Multiple IssuerMortgage-backed: 4.1%
FED HOME LOAN MTG CORP - GOLDMortgage-backed: 3.8%
Fnma/fhlg TBA IssuerMortgage-backed: 1.6%
JPMORGAN CHASE and COBonds: 1.5%
BANK OF America CorporationBonds: 1.1%
Federal HOME LN MTG CORP Multiclass MTG Partn CTF GTDMortgage-backed: 1.1%

Countries

Where the holdings are, by share of the fund.

United States97.6%
Cayman Islands4.7%
Jersey1.2%
Mexico0.9%
United Kingdom0.9%
Canada0.5%
Luxembourg0.5%
Bermuda0.4%
France0.4%
Ireland0.3%

What it holds

By kind of asset.

Bonds65.9%
Mortgage-backed23.8%
Asset-backed10.3%
Loans5.1%
Cash and short-term4.8%
Preferred stock0.3%
Derivatives0.1%

From the fund’s Form N-PORT for May 2026 (filed Jul 24, 2026) and its prospectus, via the SEC’s public data sets. Shares of net assets can sum above 100% where a fund holds cash collateral or derivatives.