Question 1

What is MBB?

Accepted Answer

MBB — iShares MBS ETF — is a Canadian-listed ETF trading on the NASDAQ. The fund will invest at least 80% of its assets in the component securities of the underlying index and TBAs that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index, and the fund will invest at least 90% of its assets in fixed income securities of the types included in the underlying index that BFA believes will h…

Question 2

What is the MBB ETF price today?

Accepted Answer

MBB last traded at $90.54 CAD on the NASDAQ. See the price chart above for recent performance.

Question 3

What is the MBB MER (management expense ratio)?

Accepted Answer

MBB has a management expense ratio (MER) of 0.03% per year. This fee is automatically deducted from the fund's assets, so you never pay it directly — but it does reduce your net returns over time. At 0.03%, MBB is considered a low-cost ETF.

Question 4

What are MBB annualised returns?

Accepted Answer

MBB historical returns: YTD: -2.82%, 1-year: -1.47%, 3-year annualised: +5.98%, 5-year annualised: -0.08%, 10-year annualised: +0.98%. Past performance is not a guarantee of future results. The 3-year Sharpe ratio is 0.01, which measures risk-adjusted return.

Question 5

Does MBB pay dividends or distributions?

Accepted Answer

Yes, MBB distributes income to unitholders. The current distribution yield is approximately 4.70%, paid na. Distributions may include dividends, interest, capital gains, or return of capital depending on the fund's holdings. In a TFSA or RRSP, distributions are sheltered from tax.

Question 6

What does MBB invest in?

Accepted Answer

MBB's top holdings include BlackRock Cash Funds Instl SL Agency (BISXX, 6.5%). See the full Top 10 Holdings table above for a complete breakdown.

Question 7

What sectors does MBB invest in?

Accepted Answer

MBB's largest sector exposures are Energy (0.0%), Utilities (0.0%), Healthcare (0.0%). The full sector breakdown is shown in the Sector Weights table on this page.

Question 8

How large is MBB? (Assets under management)

Accepted Answer

MBB has approximately $35.25B in assets under management (AUM). Larger AUM generally means better liquidity, tighter bid-ask spreads, and a lower risk of the fund being wound down.

Question 9

When was MBB launched?

Accepted Answer

MBB was launched on March 13, 2007, giving it a 19-year track record. A longer history makes it easier to evaluate how the ETF performs across different market cycles.

Question 10

How do I buy MBB in Canada?

Accepted Answer

MBB trades on the NASDAQ under the ticker MBB. You can buy it through any Canadian brokerage, including Wealthsimple Trade (commission-free), Questrade, TD Direct Investing, RBC Direct, and CIBC Investor's Edge. It can be held in a TFSA, RRSP, FHSA, or taxable account.

Question 11

How risky is MBB?

Accepted Answer

MBB has a 1-year volatility of 4.52% and a beta of 1.14 (more volatile than the broad market). Its 3-year Sharpe ratio of 0.01 indicates below-average risk-adjusted returns. As with all market-linked investments, past volatility does not predict future risk.

Date	Open	High	Low	Close	Adj Close	Volume
2026-10-21	$90.69	$90.77	$90.30	$90.54	$90.54	6,198,518
2026-10-20	$90.37	$90.67	$90.22	$90.49	$90.49	6,133,167
2026-10-19	$90.43	$90.53	$90.11	$90.22	$90.22	2,105,555
2026-10-16	$90.43	$90.78	$90.31	$90.52	$90.52	2,630,289
2026-10-15	$91.01	$91.01	$90.50	$90.59	$90.59	6,965,328
2026-10-14	$89.44	$90.08	$89.41	$90.00	$90.00	19,694,944
2026-10-13	$89.88	$89.99	$89.79	$89.97	$89.97	3,919,336
2026-10-12	$89.68	$89.83	$89.68	$89.83	$89.83	1,901,951
2026-10-09	$89.55	$89.79	$89.40	$89.79	$89.79	3,817,713
2026-10-08	$89.08	$89.73	$88.99	$89.73	$89.73	5,388,532

Sector	Weight
Energy	0.00%
Utilities	0.00%
Healthcare	0.00%
Technology	0.00%
Industrials	0.00%
Real Estate	0.00%
Basic Materials	0.00%
Consumer Cyclicals	0.00%
Consumer Defensive	0.00%
Financial Services	0.00%
Communication Services	0.00%

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SPXE	Harvest SpaceX Enhanced High Income Shares ETF	$10.46	+8.06%
COIU		$22.66	+8.01%

iShares MBS ETF (MBB : NASDAQ)

Price Chart (30 Days)

Key Statistics

Recent Price History

Annualised Returns

Top 10 Holdings

Sector Weights

About iShares MBS ETF

ETF Details

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Frequently Asked Questions — MBB