UK Investors Could be Paying Double Tax on MicroStrategy’s STRC Stock

Strategy Inc.’s Variable Rate Series A Perpetual Preferred Stock (STRC) went live on the popular platform Trading 212 on March 30, 2026. It gives UK retail investors direct access to a Bitcoin-backed yield product that pays roughly 11.5% annually.

However, buying it directly may cost significantly more in tax than most buyers realize.

Why UK Investors Face a Hidden Tax Problem in MicroStrategy’s High-Yield Stock

MicroStrategy’s STRC trades near its $100 par value and pays variable monthly cash distributions, currently yielding around 11.5% annualized.

The rate resets monthly and is designed to keep the price stable. Strategy’s reserves reportedly cover more than 50 years of distributions.

In the US, those monthly payments are classified as a Return of Capital (ROC), which is non-taxable and reduces the investor’s cost basis.

That treatment does not carry over to the UK.

Against this backdrop, crypto analyst James Van Straten points UK investors toward a Swiss-issued alternative that could significantly reduce their tax exposure.

The Tax Gap UK Investors Need to Understand

UK brokers and platforms typically classify STRC’s monthly cash distributions as foreign dividends, not ROC.

Outside a Stocks and Shares ISA, that means investors pay income tax on every monthly payment at their marginal dividend rate:

• 8.75% for basic rate taxpayers
• Up to 39.35% for additional rate taxpayers,
• Plus Capital Gains Tax (CGT) on any gain when they sell.

Van Straten pointed to a different route: the 21Shares Strategy Yield ETP, ticker STRC on Euronext Amsterdam and Paris.

“If you are buying STRC in the UK, it is a lot more tax efficient to buy it via the 21Shares ETP… gains on sale are generally subject only to Capital Gains Tax (CGT) in the UK, with no income tax on the product itself,” wrote Van Straten.

Launched February 24, 2026, the ETP is domiciled in Switzerland, carries a 0.00% management fee, and is structured as an accumulating product.

This means distributions from the underlying stock are reinvested into the NAV rather than paid out as cash.

Because no cash distributions flow to the investor, and the ETP is structured as a listed Swiss security rather than a distributing income product, gains on disposal are generally treated as CGT only under UK rules.

No income tax layer on top.

ISA Wrappers Remain the Cleanest Option

The tax difference disappears for investors using a Stocks and Shares ISA. A UK Individual Savings Account (ISA) is a tax-free investment or savings account where you can earn interest, dividends, and capital gains without paying tax (up to an annual limit).Both the direct Nasdaq-listed STRC and the 21Shares ETP can be held inside an ISA, sheltering all gains and income from UK tax up to the £20,000 annual allowance.

Outside an ISA, the ETP structure provides a meaningful edge for higher- and additional-rate taxpayers who would otherwise lose a significant portion of the monthly yield to income tax.

Currency risk, broker fees, and platform-specific reporting differences can further affect the effective return. Estimates put the net yield closer to 10% after friction costs.

Notably, this article is not financial or tax advice. HMRC’s treatment of specific instruments can shift, and individual circumstances vary.

UK investors should verify the tax classification with their broker and consult a qualified tax adviser before choosing between the two instruments.