Arizona Investment Club Laws: Securities, Structure and Taxes Explained

Last reviewed: October 3, 2026. This article is general information, not legal or tax advice. Securities and tax rules depend on how your club actually operates; check with the Arizona Corporation Commission's Securities Division, a securities attorney or a tax professional for your situation.

Investment clubs are a friendly way to learn about investing: a group of friends, neighbors or co-workers pool money, research stocks together and vote on what to buy. Most clubs never run into legal trouble. But the way a club is set up can, in some cases, turn members' shares into "securities," and that brings in Arizona and federal securities law.

Short answer: Arizona has no special registration requirement for investment clubs. What matters is whether the club's membership interests are securities. If every member actively takes part in investment decisions, the interests probably are not securities. If some members are passive and rely on others to make money for them, the interests may be securities, and selling them without registration or an exemption is a felony in Arizona. Separately, most clubs are taxed as partnerships.

When does a club's membership become a security?

The SEC's investor bulletin on investment clubs explains the key test. Generally, a membership interest is a security if it is an "investment contract," which means members invest and expect to make a profit from the efforts of others.

• All members active: "If every member in an investment club actively helps decide what investments to make, the membership interests in the club would probably not be considered securities."
• Even one passive member: "If the club has even one passive member, it may be issuing securities."

Arizona's own definition of "security" also includes investment contracts, so the same practical question comes up under state law. If the interests are securities, the club must register the offering or fit an exemption under both federal and Arizona law. Arizona's anti-fraud rule (A.R.S. § 44-1991) applies even to exempt offerings, so honest, complete information to members matters regardless.

Other federal rules that can apply

The SEC lists three ways a club can fall under federal securities law:

1. Securities Act of 1933 if the membership interests are securities.
2. Investment Company Act of 1940 if the club invests in securities, issues interests that are securities, and cannot rely on an exclusion. The SEC notes that a club that makes no public offering and has no more than 100 members may qualify for the "private investment company" exclusion.
3. Investment adviser laws if someone is paid to advise the club, or if one member (instead of all members) picks the investments. That person may need to register with the SEC or a state unless an exemption applies.

Choosing a structure in Arizona

Most clubs are informal partnerships run under a written partnership agreement. Some form a limited liability company (LLC) for liability protection.

• Partnership agreement. Put in writing how members contribute, how votes are taken, how profits and losses are shared, how someone leaves and is paid out, and who holds the brokerage account.
• LLC. Under A.R.S. § 29-3201, an Arizona LLC is formed by delivering articles of organization to the Arizona Corporation Commission. Within 60 days after filing, a notice of the filing generally must be published in a newspaper in the statutory agent's county, unless the agent's address is in a county with more than 800,000 people, where the Commission posts it in its database instead. The members' relationships are governed by the operating agreement (A.R.S. § 29-3105).
• The structure doesn't change the securities question. An LLC whose members are passive can still be issuing securities.

Taxes

IRS Publication 550 says an investment club is generally treated as a partnership for federal tax purposes unless it chooses otherwise (some clubs are taxed as corporations or trusts). For a partnership club:

• the club needs its own EIN;
• it files Form 1065, and each member receives a Schedule K-1;
• each member reports their share of income, gains and losses on their own return, whether or not money is actually distributed; and
• if an investment is held in one member's name, that member may need to file information returns as a "nominee."

A tax professional can help with the details; see our guide to tax attorneys and CPAs for who does what.

Common mistakes

• Letting one member manage everything while others just send money.
• Recruiting new members through a public website or social media.
• Paying a member or outsider to pick investments without checking adviser rules.
• Skipping a written agreement, then arguing over payouts when someone leaves.

Where to get help in Arizona

Arizona's securities regulator is the Securities Division of the Arizona Corporation Commission (A.R.S. § 44-1801 defines the "division" as the securities division of the Commission). You can contact it to ask about registration or report a concern. The SEC also takes questions through its investor assistance line and online form.

Sources

• A.R.S. § 44-1841, Sale of unregistered securities prohibited: azleg.gov
• A.R.S. § 44-1801, Definitions: azleg.gov
• A.R.S. § 44-1844, Exempt transactions: azleg.gov
• A.R.S. § 44-1991, Fraud in purchase or sale of securities: azleg.gov
• A.R.S. § 29-3201, Formation of limited liability company; articles of organization: azleg.gov
• A.R.S. § 29-3105, Operating agreement: azleg.gov
• SEC Office of Investor Education and Advocacy, Investor Bulletin: Investment Clubs (March 20, 2018): investor.gov
• IRS Publication 550, Investment Income and Expenses (Investment Clubs section): irs.gov