How to calculate zakat on your investments

The question that determines the method

Are you holding the asset to trade it, or to receive income from it? Assets held for resale are generally treated as trade goods and zakatable on their full market value. Assets held to produce income are usually treated differently, with zakat on the income and on any accumulated cash rather than on the underlying asset.

Shares held for trading

The common position is zakat at the standard rate on the full market value on your zakat date.

Shares held for dividends

Many scholars apply zakat to the zakatable assets underlying the company — broadly its cash, receivables and inventory — rather than to the whole share price. This requires a breakdown from the company, which is why some funds publish one.

Property held to rent

The property itself is generally not zakatable — you bought it to hold, not to trade. The rent you receive is. The schools differ on timing: on the Shafi'i view each payment runs its own lunar year from receipt, while on the Hanafi and Hanbali view rent received during the year is simply added to your existing zakatable wealth and paid on your single annual zakat date. The second is the majority approach and vastly easier to administer, and it is the one the practical method below assumes.

Pooled and private investments

Apply the same logic to your proportionate share. This is where a published net asset value breakdown matters — without one you cannot separate the underlying cash and receivables from the property itself, and you are left estimating.

A practical approach

Fix a zakat date and keep it. Ask each fund whether it publishes a zakat breakdown. Where none exists, a conservative estimate is better than skipping the asset. And take a scholar's view on anything material — the differences between methods are real.