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ETF IssuersiSharesIMBA
ETF screener
IMBA
IE00BYXYYN70
Passive ETFFixed Income

IMBA ETF · iShares US Mortgage Backed Securities UCITS ETF

The IMBA Exchange Traded Fund (ETF) is provided by iShares. It is built to track an index: Bloomberg U.S. MBS Index. The IMBA ETF provides physical exposure, so by buying it you actually own parts of all the 9,366 underlying holdings. The dividend policy is capitalization.
Share class
Acc
USD
Last update Yesterday at 7:00 AM UTC
LIVE
CLOSED
Last price
$5.57
1M perf.
+0.41%
1M flows
-€73M
AuM
€2.38B
TER
0.28%
Rating
ESG Consensus®
esg grade icon
IMBA
$5.57

Performance & flows

March 2, 2026 → May 29, 2026
0-2.50-2.00-1.50-1.00-0.500.00%APRMAYAPRMAY
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IMBA
$5.59
-0.94%

Historic performance and flows

1M3M1Y3Y5YMTDQTDYTD
Perf.
+0.41%
-0.94%
+6.83%
+13.38%
+0.75%
+0.23%
+0.32%
+0.62%
Flows

Key fund info

Main characteristics
Issuer
ISIN
IE00BYXYYN70
AuM
€2.38B
TER
0.28%
Replication rating
ESG Consensus®
esg grade icon
More details
NAV
5/29/2026
$5.59
1D NAV change
+0.07%
Dividend policy
Replication method
Direct (Physical)
Replication model
Optimized sampling
No. of holdings
9366
Inception date
4/13/2017
Jurisdiction
Ireland
Distribution
Germany
Austria
Switzerland
Finland
Sweden
Legal structure
Open-end Investment Company
Base currency
USD
Classification
Product type
Asset class
Factors
N/A
Share class info
USD capitalizing 
Total AuM of fund
€3.43B
Decimalisation of shares
No
Investment strategy
The Share class seeks to track the performance of an index composed of investment-grade mortgage-backed pass-through securities issued by U.S. government agencies
Tax optimisation
PEA
France
UK Reporting Status
United Kingdom
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Risk profile

Historical risk/return profile

3M1Y3Y5Y
Returns
-0.94%
+6.83%
+13.38%
+0.75%
Volatility
Perf./Volatility
Max drawdown
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Synthetic Risk and Reward Indicator (SRRI)
UCITS
1
2
3
4
5
6
7
PRIIPS
1
2
3
4
5
6
7
More exposure metrics are available, exclusively in Trackinsight Enterprise

Exposure

Countries
USA
105.94%
Sectors
Other sectors
19.82%
Unavailable
80.13%
Diversification
Total weight of top 15 holdings out of 9366
Top 15 holdings
Data as of April 30, 2026
US0669225197
US01F0506505
FR SD8146, 2% 1may2051, USD (ABS)
US21H0526523
US01F0526560
US21H0506566
US3618N5A332
G2 MA7648, 2% 20oct2051, USD (ABS)
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US36179WTX64
FN MA4492, 2% 1dec2051, USD (ABS)
FR SD8140, 2% 1apr2051, USD (ABS)
US36179WJR07
US21H0606556
FN MA4465, 2% 1nov2051, USD (ABS)
US3140XLE460
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More risk metrics are available, exclusively in Trackinsight Enterprise

Sustainability

Integrates ESG criteria
No
SDG

ESG Consensus® by Conser

Data as of February 27, 2026
Methodology

Our partner Conser gathers the industry's consensus on the business practices of the underlying holdings. We have computed the following metrics about IMBA ETF's sustainability, based on their methodology.

Learn more about Conser

ESG Consensus®
esg grade icon

ESG Consensus® is based on the Final Sustainability Grade, which itself consists of 10 grades. Our partner Conser calculates the exact grade, based on market intelligence, using their proprietary ESG Consensus® methodology.


IMBA’s has a Final Sustainability Grade of either A+, A, or A-.

This fund’s exact Final Sustainability Grade is available in Trackinsight Enterprise.
Learn more about Trackinsight Enterprise
Holdings review
94.39% of holdings have positive scoring
94.39%
Consensus levels
Strong
Medium
Weak
No data on remaining 5.61% of holdings
More sustainability metrics are available, exclusively in Trackinsight Enterprise

Replication

Trackinsight replication rating:
1-year trailing difference
As of May 29, 2026
Create a free account to view the replication graph
IMBA
N/A
Replication quality
Calculated over 12m, as of May 29, 2026
Tracking error
Tracking difference
1-year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
Replication information
Index
Index ticker
Index dividend policy
Replication method
Replication model

Issuer

iShares
iShares ID Card
Number of funds
1768
Total AuM
€5.44T
Expense ratio range
0.03% - 1.51%
Average expense ratio
0.2827%

Frequently asked questions about IMBA

What does iShares US Mortgage Backed Securities UCITS ETF, IMBA, invest in?

IMBA is a Passive ETF. This ETF provides exposure to US Investment Grade Government Agencies Bonds.

Which benchmark or index does IMBA replicate?

IMBA tracks the Bloomberg U.S. MBS Total Return Index - USD, through a optimized sampling replication method.

What is the Total Expense ratio (TER) of IMBA?

IMBA carries a total expense ratio (TER) of 0.28%, indicating the annual cost for holding the fund.

When was IMBA launched?

IMBA was introduced to the market on April 13, 2017. It trades on Germany, among other exchanges

Who is the ETF issuer of IMBA?

iShares US Mortgage Backed Securities UCITS ETF, IMBA, is provided by iShares. Learn more about iShares here.

Does IMBA have multiple share classes?

Yes, IMBA is available in multiple share classes, which may differ by distribution policy (e.g., accumulating vs. distributing), currency or hedging. Explore the different share classes .

What is the current assets under management (AUM) of IMBA?

IMBA oversees €2.38B in assets as of May 29, 2026.

How has IMBA performed lately?

Based on data from May 29, 2026, IMBA returned 0.41% over the past month, -0.94% over the last three months and 0.62% year-to-date.

What are the latest inflows or outflows for IMBA?

As of May 29, 2026, IMBA recorded net flows of -€72M over the last month and +€136M year-to-date.

Does IMBA distribute dividends?

IMBA follows a capitalizing, meaning it reinvests income within the fund.

What are the main country or region exposures of IMBA?

As of April 30, 2026, IMBA has significant geographic allocations in USA.

In which sector or theme does IMBA invest in?

As of April 30, 2026, IMBA focuses largely on Other sectors.

How many securities does IMBA hold and how diversified is it?

As of April 30, 2026, IMBA holds 9366 positions in its portfolio, with 15.91% of assets concentrated in its top 15 holdings.

What are the main positions in IMBA?

As of April 30, 2026, IMBA top three holdings include US0669225197, US01F0506505 and FR SD8146, 2% 1may2051, USD (ABS).

What is the base currency of IMBA?

The base currency of IMBA is USD.

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