A side-by-side comparison of PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund (PMBS) and iShares GNMA Bond ETF (GNMA) to help Canadian investors make an informed decision.
1-Year Performance
Normalised to 100 at the start — shows relative return over the trailing 12 months.
Head-to-Head Comparison
| Metric | PMBS | GNMA |
|---|---|---|
| YTD Return | -5.03% | -4.03%✓ |
| 1-Day Change | -0.17%✓ | -0.22% |
| 1-Week Change | -0.86% | -0.52%✓ |
| 1-Month Change | -4.08% | -3.34%✓ |
| Current Price | $46.19 | $41.77 |
| AUM | $1.38B✓ | $419M |
| MER (Expense Ratio) | 71% | 0.1%✓ |
| Dividend Yield | 4.98%✓ | 4.31% |
| Distribution Frequency | — | NA |
| Inception Date | 1997-07-31 | 2012-02-14 |
| Holdings Count | 1 | 1 |
| MorningStar Rating | ★★★★★ | ★★★ |
| Category | Government Mortgage-Backed Bond | Government Mortgage-Backed Bond |
| Beta | 1.10 | 1.08 |
| 52-Week High | $49.57 | $44.25 |
| 52-Week Low | $45.80 | $41.15 |
| 50-Day MA | $48.18 | $43.26 |
| 200-Day MA | $49.29 | $44.12 |
✓ marks the better value for return/yield/AUM metrics. Lower ✓ for MER.
Annualised Returns
| Period | PMBS | GNMA |
|---|---|---|
| YTD | -5.03% | -4.03%✓ |
| 1 Year | -0.96%✓ | -1.28% |
| 3 Year | +5.08%✓ | +4.28% |
| 5 Year | -0.02%✓ | -0.17% |
| 10 Year | +1.65%✓ | +0.75% |
| 1Y Volatility | 3.35% | 3.09% |
| Sharpe Ratio (3Y) | 0.12 | -0.01 |
Past performance is not a guarantee of future results.
Sector Weights
| Sector | PMBS | GNMA |
|---|---|---|
| Basic Materials | 0.00% | 0.00% |
| Communication Services | 0.00% | 0.00% |
| Consumer Cyclicals | 0.00% | 0.00% |
| Consumer Defensive | 0.00% | 0.00% |
| Energy | 0.00% | 0.00% |
| Financial Services | 0.00% | 0.00% |
| Healthcare | 0.00% | 0.00% |
| Industrials | 0.00% | 0.00% |
| Real Estate | 0.00% | 0.00% |
| Technology | 0.00% | 0.00% |
| Utilities | 0.00% | 0.00% |
About PMBS
The fund seeks to achieve its investment objective by investing under normal circumstances at least 80% of its assets in a diversified portfolio of mortgage-related fixed income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements.
About GNMA
The fund will invest at least 80% of its assets in the component securities of the underlying index and to-be-announced transactions ("TBAs") that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the underlying index. The underlying index includes fixed-rate MBS issued by GNMA that have 30- or 15-year maturities. The index measures the performance of mortgage-backed pass-through securities issued by GNMA.
Which ETF is Right for You?
Both PMBS and GNMA are listed on Canadian exchanges and accessible through most Canadian brokerages including Questrade, Wealthsimple Trade, TD Direct, and Interactive Brokers.
Based on the available data, PMBS scores higher across our tracked metrics including YTD performance, dividend yield, and AUM — though both ETFs warrant individual research before investing.
- Consider your account type (TFSA, RRSP, non-registered) as it can affect dividend taxation.
- Compare management expense ratios (MER) directly on each provider's website.
- Look at average daily trading volume to assess liquidity.
- Review the fund's underlying index and holdings to ensure the exposure matches your goals.
This is not financial advice. Always do your own research or consult a licensed financial advisor before investing.
Frequently Asked Questions
What is the difference between PMBS and GNMA?
PMBS (PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund) and GNMA (iShares GNMA Bond ETF) are both Canadian-listed ETFs. Key differences include their AUM ($1.38B vs $419M), dividend yield (4.98% vs 4.31%), and year-to-date performance (-5.03% vs -4.03%).
Is PMBS better than GNMA?
There is no single "better" ETF — it depends on your investment goals. If you prioritise dividends, compare both yields and choose based on your income needs. Always review the fund's prospectus and consider your tax situation.
Can I buy PMBS and GNMA on Wealthsimple?
Most Canadian-listed ETFs are available on Wealthsimple Trade commission-free. Both PMBS and GNMA should be accessible. Check Wealthsimple's supported tickers list to confirm availability.
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