The Hidden Tax Layer in Your Portfolio

Why Where Your ETF Lives Matters More Than You Think

Most investors spend their time deciding what to invest in. S&P 500 or global? Growth or value? Active or passive? But there’s a quieter question—one that rarely gets asked: Where does your investment actually live? Because when it comes to ETFs, location isn’t just geography… it’s taxation. And depending on how your portfolio is structured, that tax can either be minimized—or quietly compound against you for decades.

What Is an ETF (And Why Most Investors Use Them)?

An ETF (Exchange-Traded Fund) is a basket of investments that trades on a stock exchange—just like a single stock. Instead of buying one company, you’re buying hundreds or even thousands at once. For example, an ETF tracking the S&P 500 gives you exposure to companies like Apple Inc., Microsoft Corporation, and Amazon.com Inc.—all in a single purchase. Some of the benefits of ETFs are broad diversification, low cost, and simple & scalable exposure to global markets. But one issue is that two ETFs can look identical on the surface but can produce different outcomes, simply because of how they are structured or where they are domiciled.

The Structural Difference: U.S. vs Canadian-Domiciled ETFs

A U.S.-domiciled ETF (like VTI or VOO) is listed in the U.S. and holds underlying US securities directly. A Canadian-domiciled ETF (like XUU or VFV) is listed in Canada and provides U.S. exposure inside a Canadian fund structure. They may track the same index and they may hold the same companies but the tax treatment is not the same—especially depending on which type of account you use.

The Tax You Don’t See: U.S. Withholding Tax

When U.S. companies pay dividends to Canadian investors, the U.S. government applies a 15% withholding tax. This is where account type starts to matter.

TFSA: Tax-Free… But Not Fully Efficient

The Tax-Free Savings Account is one of the most powerful tools Canadians have but when it comes to U.S. investments, there’s a limitation. The issue is that, for Canadians, U.S. dividends are subject to 15% withholding tax and this taxation within a TFSA is not recoverable. This means that if your ETF generates $1,000 in dividends, you lose $150 permanently.

RRSP: The Cross-Border Sweet Spot

The Registered Retirement Savings Plan is where cross-border planning starts to work in your favor because of the Canada–U.S. tax treaty, the IRS recognizes RRSPs as retirement accounts. The result is that there are no U.S. withholding tax on dividends from U.S. domiciled ETFs, which results in you receiving the entire dividend. So, if your ETF generates $1,000 in dividends → you keep the full $1,000. It is very important to note that this benefit only applies to U.S.-domiciled ETFs. If you use a Canadian domiciled ETF that provides U.S. exposure, the withholding tax is applied inside the fund—and you don’t see it.

Non-Registered Accounts: Not Perfect, But Recoverable

A non-registered account doesn’t avoid withholding tax upfront—but it does give you a mechanism to recover it. As a Canadian, you still are required to pay the 15% withholding tax but you receive a foreign tax credit when you file your Canadian tax return. This results in your avoiding double taxation but you still have to pay Canadian income tax on the income that you earn.

So… What Should You Actually Do?

This isn’t about chasing perfection. It’s about being understanding your investments and being intentional with placement. Use your non-registered account with awareness of tax reporting and structure. Use your RRSP for U.S.-domiciled ETFs when appropriate. Use your TFSA for Canadian equities or growth-focused investments with lower dividend yield

Final Thought

Most investors don’t fall short because they chose the wrong ETF. They fall short because of unnecessary tax drag, reactive decisions during volatility, or a lack of structure behind their portfolio. This is one of the rare areas where a small adjustment can create a permanent tailwind for your NET returns.

Take 15 minutes this week and ask:

  • Where are my U.S. investments currently held?
  • Am I unintentionally losing withholding tax in my TFSA?
  • Is my RRSP positioned to take advantage of the tax treaty?

You don’t need to overhaul everything overnight but tightening the structure—even slightly—can improve outcomes for decades to come.

Jesse Ogloff, B.Comm, PFP, CFP, CIM, CFDS

Associate Wealth Advisor / Associate Portfolio Manager

CIBC Wood Gundy