Portfolio Clarity Foundations
Bed and ISA
Definition
The process of selling a holding in a taxable account and repurchasing it inside a tax-sheltered account to move it into a more efficient wrapper.
Why it matters
It allows investors to shift existing holdings into a tax-efficient structure without permanently selling out of the position.
What most investors miss
The gap between what the term means and how it is usually applied.
They assume transferring holdings in kind between account types is possible. In most jurisdictions it is not. The sale and repurchase must happen in the market.
How to read it
Plan the timing carefully. The gap between sale and repurchase creates market exposure. The tax cost of the sale must be weighed against the future tax saving.
Multi-account lens
How this term reads differently across brokers and accounts.
For investors with holdings across multiple account types this strategy requires careful coordination to avoid unintended capital gains or wash sale issues.
Concrete example
What this looks like with real numbers.
Scenario
An investor holds 4,000 shares of a UK investment trust in a GIA, bought at 42p — now trading at 97p. Selling in the GIA triggers CGT on 55p/share × 4,000 = £2,200 gain. Using the annual £3,000 CGT allowance, they sell up to 5,454 shares tax-free and immediately repurchase inside an ISA, sheltering all future growth.
What it reveals
Bed and ISA is deliberate use of the annual CGT allowance to migrate high-gain positions into a tax-efficient wrapper before gains compound further outside it.
Related terms
Terms that connect to bed and isa.
Tax-Loss Harvesting
The deliberate realization of losses to offset capital gains and reduce the overall tax bill for the year.
Capital Gains Tax
Tax applied to the profit from selling an asset at a higher price than its purchase cost.
Wash Sale
A transaction where a holding is sold at a loss and repurchased within a defined window negating the tax benefit of the loss.
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