Putting the Client First, by Law
A fiduciary is a person or firm legally required to act in the best interest of someone else, placing that person’s interests ahead of their own. In investment advice, it means an adviser must give advice that serves the client, avoid or fully disclose conflicts of interest and never use the relationship for personal gain at the client’s expense.
The word comes from the Latin for trust, and the idea is exactly that. A client hands over money or relies on advice, and the law requires the adviser to deserve that trust.
For investment advisers, the fiduciary duty is the foundation of the whole relationship and a central theme of the Series 65. For the full route from the exam to a career as an adviser, our complete guide to how to become an investment adviser representative covers every step.
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Where the Adviser’s Fiduciary Duty Comes From
For investment advisers, the fiduciary duty is rooted in the Investment Advisers Act of 1940. The Act’s anti-fraud provisions do not use the word fiduciary in every line, but the Supreme Court confirmed in 1963, in SEC v. Capital Gains Research Bureau, that the Act reflects the fiduciary nature of the advisory relationship.
In 2019, the SEC published an interpretation setting out the standard of conduct for investment advisers. It describes the fiduciary duty as made up of a duty of care and a duty of loyalty, applying to the entire relationship between adviser and client.
State-registered advisers are held to the same standard through state securities law and NASAA’s rules on unethical business practices. The Series 65 Exam Preparation course at FRC covers both the federal and state sources of the duty, because the exam tests each.
The Two Parts of the Duty
The duty of care requires an adviser to act in the client’s best interest when giving advice. That means making a reasonable inquiry into the client’s financial situation, goals and risk tolerance, giving advice that suits them, seeking best execution of trades and monitoring the account at a frequency that fits the relationship.
The duty of loyalty requires the adviser not to place its own interests ahead of the client’s. The adviser must make full and fair disclosure of all material facts about the relationship, including conflicts of interest, and must eliminate or disclose conflicts so the client can give informed consent.
Both duties apply together and at all times. An adviser who gives sound advice but hides a conflict breaches loyalty, and one who discloses every conflict but recommends unsuitable investments breaches care.
Fiduciary Duty Compared With Other Standards
| Feature | Investment adviser fiduciary duty | Broker-dealer under Reg BI | General suitability |
|---|---|---|---|
| Core standard | Act in client’s best interest at all times | Best interest at the time of a recommendation | Recommendation must be suitable |
| Source | Investment Advisers Act and state law | SEC Regulation Best Interest | FINRA Rule 2111 for non-retail customers |
| Scope | Entire advisory relationship | Each recommendation | Each recommendation |
| Duty to monitor | Yes, as agreed in the relationship | Only if agreed to provide monitoring | No ongoing duty |
| Conflicts | Eliminate or fully disclose for informed consent | Disclose, mitigate and in some cases eliminate | Not the main focus |
| Called a fiduciary? | Yes | No | No |
Study Fiduciary Duty With FRC
Fiduciary questions on the Series 65 usually test the two parts of the duty, what must be disclosed and how an adviser’s obligations compare with a broker-dealer’s. Our Series 65 course works through each with scenarios like the ones below.
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Worked Example: A Fee Conflict
An adviser can recommend two very similar funds for a client’s $500,000 portfolio. One is the adviser’s own affiliated fund charging 1 percent a year; the other is an unaffiliated fund with the same strategy charging 0.2 percent.
Step one: the affiliated fund costs 1 percent of $500,000, or $5,000 a year. Step two: the unaffiliated fund costs 0.2 percent, or $1,000 a year. Step three: recommending the affiliated fund costs the client an extra $4,000 a year while benefiting the adviser’s firm.
As a fiduciary, the adviser must recommend the fund that is in the client’s best interest. If there is a genuine reason to prefer the affiliated fund, the adviser must fully disclose the conflict and the cost difference so the client can make an informed decision.
Worked Example: Share Class Selection
Many mutual funds offer several share classes with the same portfolio but different fees. A class with a 0.25 percent annual distribution fee may pay part of that fee to the adviser’s affiliated broker, while a cheaper class without the fee is available to the same client.
Step one: on $200,000, a 0.25 percent annual fee costs the client $500 a year. Step two: placing the client in the more expensive class without disclosing the conflict, when the cheaper class was available, breaches the duty of loyalty.
The SEC has brought many cases on exactly this issue, and firms have returned money to clients as a result. Choosing the lowest-cost appropriate share class, or clearly disclosing why another class is used, is part of acting as a fiduciary.
Best Execution as Part of the Duty of Care
When an adviser chooses where client trades are executed, the duty of care requires it to seek best execution. That means looking for the most favorable terms reasonably available, considering price, speed, reliability and the overall quality of the broker’s services, not just the commission.
Worked example: an adviser places a client’s purchase of 1,000 shares through a broker that executes at $50.05 per share, while another readily available broker would have executed at $50.00. Step one: the price difference is $0.05 per share. Step two: across 1,000 shares, the client pays $50 more, before any difference in commissions.
A single trade may look small, but across many clients and many trades the cost adds up. Advisers review their execution arrangements regularly and must disclose any benefits they receive from brokers, such as research paid for with client commissions.
Monitoring and Changing Circumstances
The duty of care is not a one-time check at account opening. An adviser managing an ongoing relationship must monitor the account and the client’s situation at a frequency consistent with the services it agreed to provide.
Worked example: step one, a client tells her adviser she has been laid off and may need to draw on her investments within a year. Step two, her portfolio is invested mainly in growth stocks chosen for a 20-year horizon. Step three, the adviser must update her profile and review whether the portfolio still fits, rather than leaving it unchanged until the next annual review.
Advice that was right last year can become wrong this year, especially after a job loss, divorce, inheritance or retirement. Keeping the client’s profile current is one of the clearest ways an adviser shows it is meeting the duty of care.
Fees and the Fiduciary Duty
Advisers must charge fees that are fair and must explain them clearly. A common arrangement is a percentage of assets under management, so the adviser’s pay rises and falls with the client’s account.
Worked example: an adviser charges 1 percent a year on an $800,000 account. Step one: the annual fee is $8,000. Step two: if the adviser also recommends funds that pay the firm additional fees, the client is effectively paying twice, which must be disclosed and justified as being in the client’s best interest.
Performance-based fees, where the adviser takes a share of gains, are restricted because they can encourage excessive risk-taking. Under the Advisers Act, they are generally allowed only for qualified clients who meet set wealth thresholds, a topic the Series 65 tests alongside the fiduciary duty. Whatever the fee structure, the adviser must make sure it does not push advice away from what the client actually needs.
What Must Be Disclosed
An adviser must disclose all material facts about the advisory relationship. That includes how the adviser is paid, its fees and other compensation, its conflicts of interest, its disciplinary history and the services it provides.
Much of this disclosure is made in Form ADV, particularly the brochure in Part 2, which advisers deliver to clients. But delivering a document is not enough on its own if the disclosure is vague; it must be specific enough for the client to understand the conflict and decide whether to consent.
Some conflicts are so serious that disclosure alone cannot cure them. Where a client could not realistically understand or consent to a conflict, the adviser must eliminate it or change its practices rather than simply mention it.
Fiduciaries Beyond Investment Advice
The fiduciary concept appears across finance and law. Trustees owe fiduciary duties to trust beneficiaries, executors to estates, corporate directors to shareholders and agents holding a power of attorney to the person they act for.
Retirement plans have their own fiduciary rules. Under federal retirement law, people who manage plan assets or give investment advice to a plan for a fee can be fiduciaries, as our guide to what is ERISA explains.
The common thread is reliance. Whenever one party has power over another’s money or interests and the other party relies on them, the law tends to impose a duty to act loyally and carefully. Understanding that thread makes it easier to spot fiduciary relationships in unfamiliar exam scenarios.
Advisers, Representatives and the Duty
The fiduciary duty runs from the investment adviser, usually a firm, to its clients. Investment adviser representatives, the individuals who give advice on the firm’s behalf, carry out that duty in their day-to-day work with clients.
Our comparison of investment advisor representative vs registered investment adviser explains how the two roles fit together. For the exam, remember that both the firm and its representatives must act in the client’s best interest.
Many professionals are dually registered as investment adviser representatives and broker-dealer agents. When they act as advisers they owe a fiduciary duty, and when they act as broker-dealer representatives they owe the Regulation Best Interest standard, so they must be clear with clients about which capacity they are acting in.
Common Breaches of Fiduciary Duty
Undisclosed conflicts are the most common breach. Receiving payments from fund companies, recommending affiliated products or favoring higher-fee options without clear disclosure all raise loyalty concerns.
Poor diligence is the most common breach of care. Recommending investments without understanding them, failing to update a client’s profile after a major life change or neglecting to monitor an account the adviser agreed to manage all fall short.
Misusing client information or assets is the most serious. Trading ahead of client orders, borrowing from clients without proper safeguards or allocating profitable trades to favored accounts at others’ expense can lead to severe regulatory action.
The Memory Aid
Remember “care and loyalty, all the time”: the fiduciary duty has two parts, and they apply throughout the relationship, not only when a trade is recommended.
For disclosure, remember “full, fair and specific”: vague disclosure does not satisfy the duty of loyalty.
For the comparison, remember “advisers are fiduciaries, broker-dealers act in best interest”: Regulation Best Interest is not a fiduciary standard.
Exam Traps to Avoid
The first trap is thinking a client can waive the fiduciary duty. An adviser cannot contract out of its fiduciary obligations, and hedge clauses that try to do so can themselves be misleading.
The second trap is treating disclosure as a cure-all. Some conflicts must be eliminated because a client cannot meaningfully consent to them.
The third trap is assuming the duty applies only when advice is given. It covers the entire relationship, including monitoring where agreed. The fourth trap is calling a broker-dealer under Regulation Best Interest a fiduciary; the exam treats the two standards as different.
A Client Scenario
A retired client asks her adviser to recommend an income investment. The adviser’s firm earns extra revenue when clients buy a particular annuity, which pays a higher commission than comparable options.
The adviser reviews her income needs, liquidity and tax situation and finds that a low-cost bond fund meets her goals at a fraction of the annuity’s cost. She explains both options, discloses the firm’s financial interest in the annuity and recommends the bond fund.
The client chooses the bond fund. The adviser documents the recommendation, the disclosure and the client’s decision, showing that she acted with both care and loyalty.
The Dictionary as a Video Library
The FRC dictionary is a study tool, not just a glossary. Every entry pairs a written explanation with deep-dive video, on-page quizzes and interactive flash cards, so you can read a concept, watch it explained and test yourself in one place.
Rules are covered in the same depth: open a rule and you will find the full explanation alongside video walk-throughs of how it applies in practice. Open the Investment Advisers Act of 1940 entry to see where the fiduciary duty comes from, explained on video, and test yourself with the quizzes.
Practice Questions to Test Yourself
Question one: What are the two main parts of an investment adviser’s fiduciary duty? The duty of care and the duty of loyalty.
Question two: Which law is the main federal source of the investment adviser’s fiduciary duty? The Investment Advisers Act of 1940.
Question three: Can a client waive an adviser’s fiduciary duty in the advisory contract? No; the duty cannot be waived.
Question four: An adviser recommends a fund costing 1 percent a year over a similar one costing 0.2 percent on a $500,000 account. What is the annual cost difference? $4,000.
Question five: Is a broker-dealer acting under Regulation Best Interest considered a fiduciary? No; Regulation Best Interest is a separate best interest standard.
Turn Ethics Knowledge Into Career Evidence
Advisory firms hire people they can trust with clients’ life savings, and a clear grasp of fiduciary duty is the starting point. FRC’s Digital Profile shows employers the courses you are actively studying and the progress you have earned through assessed learning, verified by FRC, and a QR code on your resume takes them straight to it.
The FRC Video Resume lets a hiring manager hear you before the interview. Explaining how you would handle a fee conflict shows the integrity advisory firms look for.
Related Questions
Suitability is a lower bar than fiduciary duty, but it shares the same starting point of knowing the client, as our comparison of FINRA Rule 2090 vs Rule 2111 explains.
Key Points to Retain
A fiduciary is legally required to act in another person’s best interest, and for investment advisers that duty comes mainly from the Investment Advisers Act of 1940 and state law. It has two parts: the duty of care, covering suitable advice, best execution and monitoring, and the duty of loyalty, covering full disclosure and the handling of conflicts.
The duty applies to the whole relationship, cannot be waived and is not satisfied by vague disclosure. Broker-dealers under Regulation Best Interest must act in customers’ best interest when recommending, but they are not fiduciaries in the same sense.
For the role the exam leads to, read our guide to what an investment advisor representative is.
