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Is Morgan Stanley a Fiduciary? What Its Own Form CRS Says (2026)

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Updated September 18, 2026. Quick answer: It depends which hat Morgan Stanley is wearing. As your investment adviser, Morgan Stanley owes you a fiduciary duty under the Investment Advisers Act of 1940. As your broker-dealer, Morgan Stanley owes you Regulation Best Interest, a real and enforceable standard, but not a fiduciary duty. Morgan Stanley’s own Form CRS states: “When we provide you with a recommendation as your broker-dealer or act as your investment adviser, we have to act in your best interest and not put our interest ahead of yours.”

How it’s registered

From Form CRS (Client Relationship Summary) (Effective January 1, 2023): “Morgan Stanley Smith Barney LLC (“Morgan Stanley,” “we,” or “us”) is registered as a broker-dealer and an investment adviser with the U.S. Securities and Exchange Commission (SEC).”

The standard of conduct, in its own words

“When we provide you with a recommendation as your broker-dealer or act as your investment adviser, we have to act in your best interest and not put our interest ahead of yours.”

On commissions: “Full-Service Accounts: You generally pay a commission or markup/markdown (a fee added to or subtracted from the market price) each time you make a trade.”

Fiduciary status by capacity

CapacityRegistrationStandard you’re owedCan earn commissionsSource
As your broker-dealerSEC-registered broker-dealerRegulation Best Interest (not a fiduciary duty)YesForm CRS (Client Relationship Summary), Effective January 1, 2023
As your investment adviserSEC-registered investment adviserFiduciary duty (Investment Advisers Act of 1940)No (asset-based advisory fee: up to $10,175 a year, 2.04% on a $500,000 account, the sum of the firm’s published maximum fee components)Form CRS (Client Relationship Summary), Effective January 1, 2023

What this means for what you pay

Fiduciary status is one input, not the whole picture. Morgan Stanley discloses a published fee that runs up to $10,175 a year on a $500,000 account (the sum of the firm’s published maximum fee components); see the full dollar breakdown from Morgan Stanley’s own fee disclosure before deciding whether the standard of conduct here changes your answer.

If the answer above changes your mind about staying, see what it costs to leave Morgan Stanley, or read the general mechanics of switching financial advisors.

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Sources

Methodology. This page was built September 18, 2026, quoting directly from Morgan Stanley’s own current Form CRS, with the source linked above; any distinction we could not independently confirm this session is named as an honest gap rather than presented as verified. Nothing here is personalized financial, tax, legal, or investment advice, and it is not a substitute for reading the firm’s own Form CRS. See our Editorial Policy, Corrections, Affiliate Disclosure, and Disclaimer.

What does it actually take to open an account? See Morgan Stanley’s minimum investment, quoted verbatim from its own Form ADV Part 2A / wrap-fee brochure.

Weighing whether to move ahead? Read the full Morgan Stanley review, including its fiduciary status and what it costs to leave.

Comparing Morgan Stanley against other options? See Morgan Stanley alternatives, including a lower-fee full-service firm, a flat-fee route, and a robo/hybrid.

How does this compare? See how 127 advisory firms are registered, from each firm’s own SEC record.