iShares 15+ Year Australian Government Bond ETF (ASX:ALTB): Long-Duration Government Debt Exposure

Sonal Goyal

01 September 2026 01:15 PM AEST

iShares 15+ Year Australian Government Bond ETF (ASX:ALTB): Long-Duration Government Debt Exposure

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Key Highlights

ALTB tracks the Bloomberg AusBond Government 15+ Yr Index, concentrating on long-duration Australian government and semi-government debt.
The fund's portfolio is concentrated in just 18 companies, with the top 10 holdings representing 96.72% of total assets.
ALTB's most recent distribution rose to $1.042, up from $0.654 in the prior period.
Geographic exposure is 100% Australia, and the fund's Standard Deviation of 6.63 was among the higher figures reported across the funds reviewed.

Fund Overview and Objective

ALTB, admitted to the ASX on 13 June 2024, sits within the Bonds - Australia category and seeks to track the Bloomberg AusBond Government 15+ Yr Index. The fund concentrates on longer-dated Australian government and semi-government bonds, distinguishing it from broader composite bond funds that span a wider range of maturities. The management fee was reported at 0.15% per annum.

Portfolio Composition

ALTB's asset allocation showed 99.98% in bonds and a marginal 0.02% in cash. The fund held only 18 companies, the second-smallest count among the funds reviewed, with the top 10 holdings representing 96.72% of the portfolio.

Leading holdings included Australian Commonwealth Government Loans (27.59%), Australia (Commonwealth of) 1.75% notes (26.28%) and 3% notes (25.76%), alongside smaller allocations to Treasury Corporation of Victoria and Queensland Treasury Corporation bonds.

Geographic Exposure

ALTB's exposure was reported at 100.00% Australia, reflecting its focus purely on domestic government and semi-government long-duration Debt with no international allocation.

Distribution and Yield Profile

ALTB reported an annual yield of 3.37% on a final distribution basis. The most recent distribution of $1.042 represented an increase from $0.654 in the prior period, which followed $0.644 before that and $0.786 further back, indicating a notable rise in the most recent distribution relative to the preceding several periods.

Conclusion

ALTB's concentrated exposure to long-duration Australian government and semi-government bonds, spread across only 18 holdings, sets it apart from broader composite and credit-focused funds reviewed elsewhere in this coverage. Its most recent distribution increase to $1.042 from $0.654 stands out as a meaningful data point, while its elevated standard deviation reflects the greater price sensitivity typically associated with longer-duration government bond exposures.

FAQs

Q: What does ALTB invest in?

A:ALTB invests in long-duration Australian government and semi-government bonds, tracking the Bloomberg AusBond Government 15+ Yr Index.

Q: How many holdings does ALTB have?

A:The fund held 18 companies at the time of the data reviewed.

Q: Did ALTB's distribution rise or fall recently?

A:ALTB's most recent distribution rose to $1.042 from $0.654 in the prior period.

Q: What is ALTB's geographic exposure?

A:The fund's exposure is 100% Australia.

Q: What is ALTB's management fee?

A:The management fee is 0.15% per annum.

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