Mutual funds can be halal, but only when every company in the portfolio clears two separate Sharia screens and the fund operates under the ongoing supervision of qualified Islamic scholars. The first screen excludes prohibited industries. The second caps how much interest-bearing debt, interest income, and cash a company can carry on its balance sheet. A fund that passes both, discloses its methodology, and publishes guidance on purifying incidental impure income earns a halal designation. The catch is that different screening standards set different thresholds, so a stock that is compliant under one framework can be non-compliant under another.
What Makes a Fund Halal in the First Place
Three prohibitions in Islamic finance explain why most of the conventional investing universe is off-limits and why halal funds are built the way they are.
Riba, usually translated as interest or usury, rules out traditional bonds, certificates of deposit, and any instrument that pays a guaranteed return for lending money. Gharar, meaning excessive uncertainty in a transaction, keeps conventional derivatives like futures and options out of halal portfolios, along with most conventional insurance products.1Morgan Stanley. Investing in Alignment with Shariah Values Maysir, or gambling, excludes short-selling and highly leveraged speculation.
What remains is equity ownership in real businesses, where investors share proportionally in profits and losses. That is the raw material a halal mutual fund works with.
The Industry Screen
The qualitative screen rejects companies whose core business falls into a prohibited category. The standard exclusions are alcohol production or distribution, pork products, gambling and casinos, pornography, tobacco, and conventional financial services that earn revenue through interest-based lending or insurance.
Weapons and defense sit in a gray zone. Some Sharia boards exclude the sector entirely; others permit companies supplying defensive equipment to legitimate governments. The fund’s own board decides, so check the methodology if this matters to you.
Most screening providers also allow a small revenue tolerance. If a company’s main business is permissible but incidental revenue comes from a prohibited source, it can still qualify as long as that non-compliant revenue stays below 5% of total income.2S&P Global. Dow Jones Islamic Market Indices Methodology A hotel chain that serves alcohol in its restaurants, for example, might pass if alcohol is a thin slice of revenue. Cross the 5% line and the company is out.
The Financial Ratio Screen
A company in a perfectly permissible business still gets excluded if its balance sheet carries too much interest-bearing debt or sits on too much cash earning interest. This is where the major standards diverge, and the differences are large enough to change which stocks a fund can hold.
AAOIFI
The Accounting and Auditing Organization for Islamic Financial Institutions sets the strictest widely used thresholds. Interest-bearing debt cannot exceed 30% of market capitalization, and combined cash and interest-bearing securities must also stay below 30%. Impermissible income is capped at 5%. Funds marketed in the Middle East and Southeast Asia frequently follow AAOIFI.
Dow Jones Islamic Market and S&P Shariah
The Dow Jones Islamic Market Index applies a 33% threshold to both debt and cash screens, measured against a 24-month trailing average market capitalization.2S&P Global. Dow Jones Islamic Market Indices Methodology The S&P Shariah Indices use the same 33% cutoff but average over 36 months.3S&P Global. S&P Shariah Indices Methodology Both cap non-permissible revenue below 5%.
MSCI Islamic
MSCI divides debt, cash, and receivables by total assets rather than market capitalization. The exclusion threshold is 33.33%, with a tighter 30% bar for new additions to reduce turnover.4MSCI. MSCI Islamic Index Series Methodology
The practical takeaway: a company with debt at 31% of market cap passes DJIM but fails AAOIFI. If this distinction matters to you, the fund’s prospectus or factsheet will name the standard it follows.
The Sharia Supervisory Board
A halal mutual fund does not self-certify. An independent Sharia Supervisory Board reviews the strategy, screens individual holdings, and audits the portfolio periodically. Board members are typically Islamic scholars with training in both jurisprudence and modern finance. When the board confirms compliance, it issues a fatwa that functions as a formal certificate.
Oversight continues after the launch. If a holding’s business model shifts or its debt ratio drifts above the threshold between audits, the board directs the manager to divest. When evaluating a fund, look for named scholars with recognized credentials. A fund that will not publicly disclose its Sharia board is a red flag.
Dividend Purification
Even companies that clear every screen earn trace amounts of interest income from bank deposits or incidental sources. As long as that revenue stays below 5%, the company stays in the portfolio, but the investor is responsible for cleaning the matching sliver out of their returns.
Purification works by calculating the share of a company’s revenue that came from non-compliant sources, applying that percentage to the dividends you received, and donating that dollar amount to a recognized charity. You cannot keep it, reinvest it, or redirect it to personal expenses. Some fund managers calculate the per-share purification amount and publish it in annual reports. Others leave the arithmetic to the investor, in which case the company’s financial statements provide the figures.
Halal Mutual Funds and ETFs Available to US Investors
The set of Sharia-compliant options available in the US has grown, especially among ETFs.
On the mutual fund side, the Amana Growth Fund, managed by Saturna Capital, is one of the longest-running options, with roughly $6.1 billion in net assets and a gross expense ratio of 0.61%.5Fidelity Investments. Amana Mutual Funds Trust Growth Fund Institutional The Iman Fund is another established name, though its 1.0% net expense ratio sits above average for its category.6Fidelity Investments. Iman Fund Class K
ETFs have brought costs down. The SP Funds S&P 500 Sharia Industry Exclusions ETF (SPUS) charges 0.49%, and the Wahed FTSE USA Shariah ETF (HLAL) charges 0.50%. For fixed-income exposure without conventional bonds, the SP Funds Dow Jones Global Sukuk ETF (SPSK) holds sukuk, the Sharia-compliant equivalents structured around asset ownership rather than interest payments.
When vetting any option, look for three things: a named Sharia Supervisory Board, a disclosed screening methodology tied to a recognized standard, and published purification guidance. Independent tools like Islamicly and Zoya let you check individual stocks or funds against Sharia criteria if you want to verify holdings yourself.
Can You Hold Halal Funds in a 401(k) or IRA?
The retirement account itself is generally considered permissible. Compliance attaches to what you own inside it.
Many employer 401(k) menus include no halal fund options at all. If your plan offers a self-directed brokerage window, you can use it to buy halal mutual funds or ETFs that are not on the standard lineup. Not every plan has that feature; your plan administrator can confirm.
If there is no brokerage window, you can request that halal options be added. Organizing with coworkers who want broader choices strengthens the ask. When you leave an employer, you can also roll a 401(k) balance into a traditional IRA through a direct rollover, which avoids the 20% withholding that applies to indirect rollovers. Once the money is in an IRA, any halal fund or ETF on the open market is available to you.
Performance and Cost Trade-Offs
A frequent worry is that cutting the investable universe will drag on returns. The data does not show that effect. The S&P 500 Shariah Index posted a 10-year annualized price return of 15.10% and a 5-year annualized return of 14.14% as of late February 2026.7S&P Dow Jones Indices. S&P 500 Shariah Index The standard S&P 500 has averaged roughly 13% annualized over the past five years. Excluding heavily indebted financials and tilting toward technology happened to be the right trade during a tech-led stretch.
That same tilt can hurt. Halal indices tend to be underweight financials and overweight technology and healthcare, so they can lag when banks and insurers rally. The Amana Growth Fund returned 23.47% over the trailing one-year period ending February 2026 and 17.57% annualized over ten years.5Fidelity Investments. Amana Mutual Funds Trust Growth Fund Institutional
Costs run higher than conventional peers because screening, Sharia board oversight, and smaller asset bases add overhead. A conventional S&P 500 index fund might charge 0.03% to 0.10%, while SPUS charges 0.49%. The gap has narrowed, and for most long-term investors it is a smaller cost than sitting in cash for lack of a compliant option.
Tax Notes Specific to Halal Investing
Federal tax treatment of halal mutual funds is identical to any other mutual fund. Capital gains distributions, dividends, and sale proceeds are reported on the same 1099-DIV and 1099-B forms and taxed the same way.
Purification donations are the one wrinkle. Because you are giving the impure portion of your dividends to a qualified charity, the gift may be deductible as a charitable contribution if you itemize on Schedule A. The IRS defines a charitable contribution as a voluntary donation to a qualified organization made without receiving anything of equal value in return.8Internal Revenue Service. Publication 526, Charitable Contributions Purification donations generally fit, so long as you keep documentation and the recipient is a 501(c)(3) or other qualified entity.
One less obvious consideration is turnover. When a holding falls out of Sharia compliance mid-year, the manager must sell it whether or not the timing is tax-efficient. Forced compliance sales can produce short-term capital gains taxed as ordinary income, which matters in a taxable account. Holding halal funds inside an IRA removes the issue, since gains are not taxed until withdrawal.