# iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) (DTLA) **Source:** https://fundology.uk/fund/dtla · ISIN IE00BFM6TC58 · Data: TradingView (LSE closes and returns, delayed), issuer documents, ONS CPIH, FCA FIRDS ## At a glance > Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise. As of 30/09/2026, DTLA (iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating), ISIN IE00BFM6TC58) closed at $4.23 on the London Stock Exchange. Its ongoing charge is 0.07% a year (about £7 on £10,000). Over the five years to 30/09/2026 its total return was −34.0%, or −48.4% after UK CPIH inflation. ## Summary iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) is an exchange-traded fund (ETF) from iShares, launched in 2018. It tracks the US Treasury 20+ Year Index. You buy and sell it through a share-dealing account or platform during stock-market hours, like a share. Its ongoing charge is 0.07% a year — about £7 a year on every £10,000 invested, taken from the fund's value rather than billed to you. Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you. Latest close: **$4.23** (30/09/2026). ## Key facts | Fact | Value | |---|---| | Ticker (LSE) | DTLA | | ISIN | IE00BFM6TC58 | | Category | Government bonds | | Type | ETF | | Provider | iShares | | Tracks | US Treasury 20+ Year Index | | Income | Accumulating | | Ongoing charge | 0.07% a year (£7 per £10,000) | | Fund size | £1.7bn | | Launched | 2018 | | Domicile | Ireland | ## Past returns (periods to 30/09/2026) After the fund's ongoing charges. "Income reinvested" is total return; "price only" leaves out income paid out. Real returns are after ONS CPIH inflation. | Window | Return | After CPIH inflation | Measured as | |---|---|---|---| | 1 year | -7.40% | -10.30% | income reinvested | | 3 years | -7.08% | -16.15% | income reinvested | | 5 years | -34.01% | -48.41% | income reinvested | Returns: TradingView (delayed data). Inflation: ONS CPIH, latest month published. ## Calendar-year returns Calendar-year returns of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund): 2022 −21.9%, 2023 −3.8%, 2024 −6.6%, 2025 −2.6%; 2026 to 30/09/2026 −6.9%. Returns of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: −8.0%; to 30/09/2025: −5.2%; to 30/09/2024: +5.5%; to 30/09/2023: −20.1%; to 30/09/2022: −11.2%. | Year | Return | After CPIH inflation | Measured as | |---|---|---|---| | 2022 | -21.9% | -28.5% | Price | | 2023 | -3.8% | -7.7% | Price | | 2024 | -6.6% | -9.8% | Price | | 2025 | -2.6% | -6.0% | Price | | 2026 to 30/09/2026 | -6.9% | -9.5% | Price | ## Risk metrics | Window | Volatility | Max drawdown | |---|---|---| | 1 year | 9.97% | -11.39% | | 3 years | 13.37% | -16.13% | | 5 years | 14.34% | -39.43% | ## Largest fall Volatility of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds, annualised from weekly returns to 30/09/2026: 10.0% over 1 year, 13.4% over 3 years, 14.3% over 5 years. Largest fall in the price of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) since October 2021, in pounds: −39.4% from 03/12/2021 to 30/09/2026. The lowest 12-month return of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund) since January 2021 was −24.0% (12 months to 02/12/2022); the highest was +9.7% (12 months to 18/10/2024). On 30/09/2026 the price of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) was 39.4% below its highest weekly close since October 2021 (03/12/2021), in pounds. ## Charges compared with similar funds Ongoing charge of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) 0.07% a year, as of 01/10/2026: 212 of the 274 other government bond funds charge more, 32 the same and 30 less (share classes counted once). ## Funds tracking the same index 4 funds track US Treasury 20+ Year Index, this one included and share classes counted once; their ongoing charges range from 0.07% to 0.10% a year (30/09/2026). | Fund | Ongoing charge | 1 year | 3 years | 5 years | |---|---|---|---|---| | iShares IV PLC - iShares USD Treasury Bond 20+yr UCITS ETF Hedged GBP | 0.10% | -8.5% | -0.7% | -37.4% | | iShares USD Treasury Bond 20+yr UCITS ETF | 0.07% | -7.1% | -7.2% | -33.4% | | iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP | 0.10% | -8.5% | — | — | | iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) (this fund) | 0.07% | -7.4% | -7.1% | -34.0% | Returns are the data vendor’s, in pounds, income reinvested unless marked "(price)". ## Charges & eligibility - Ongoing charges figure (OCF): **0.07%** per year - ISA eligible: yes - SIPP eligible: yes ## Top holdings Largest positions (as of 29/09/2026): | Holding | Weight | |---|---| | Treasury Bond | 90.14% | | Treasury Bond (Old) | 4.23% | | Treasury Bond (2OLD) | 3.99% | | Treasury Bond (Otr) | 1.55% | | Blk Ics USD Leaf Agency Dist | 0.04% | | GBP Cash | 0.03% | | EUR Cash | 0.01% | ## Where it invests Shares of the whole fund. Bonds, cash and positions the source does not classify are shown as they come, not guessed. ### By sector As published by iShares, as of 29/09/2026. | Sector | Weight | |---|---| | Treasury | 99.9% | | Cash and derivatives | 0.1% | ### By type of asset Added up from the holdings iShares publishes, as of 29/09/2026. | Type of asset | Weight | |---|---| | Bonds | 99.9% | | Cash and money market | 0.1% | --- We show information. We are not financial advisers, not authorised by the FCA, and never recommend specific investments. Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.