Investment trust
IBT International Biotechnology Trust PLC
ISIN GB0004559349London Stock Exchange: IBT
- Investment trusts
- Investment trust
- ISA
- SIPP
Latest close
LSE£10.65
on
As of , at least 15 min delayed
At a glance
As of 13/11/2026, IBT (International Biotechnology Trust PLC, ISIN GB0004559349) closed at £10.65 on the London Stock Exchange. Over the five years to 13/11/2026 its price changed by +40.1% (income paid out is not included), or +9.4% after UK CPIH inflation.
Past returns
- 1 year to 13/11/2026
- +31.2%
- +26.5% after inflation (UK CPIH)
- 3 years to 13/11/2026
- +91.5%
- +73.1% after inflation (UK CPIH)
- 5 years to 13/11/2026
- +40.1%
- +9.4% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £1,401 on 13/11/2026 — about £1,094 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: worked out from recorded daily closes. Inflation: UK CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month returns
Calendar-year returns of International Biotechnology Trust PLC in pounds (price only, income paid out not included): 2022 −5.6%, 2023 −9.1%, 2024 +7.5%, 2025 +40.0%; 2026 to 13/11/2026 +10.2%. Returns of International Biotechnology Trust PLC in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: +41.8%; to 30/09/2025: +17.6%; to 30/09/2024: +6.5%; to 30/09/2023: −4.4%; to 30/09/2022: −7.7%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | +10.2% | +6.7% | |
| to | +40.0% | +35.2% | |
| to | +7.5% | +3.8% | |
| −9.1% | −12.7% | ||
| −5.6% | −13.5% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | +41.8% | +36.8% |
| from | +17.6% | +13.0% |
| from | +6.5% | +3.8% |
| from | −4.4% | −10.1% |
| from | −7.7% | −15.2% |
As of , inflation: UK CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
24.6%over 5 years
| 1 year | 24.5% |
|---|---|
| 3 years | 25.8% |
| 5 years | 24.6% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since November 2021
- −31.9%
- From to
- Lowest 12-month return
- −26.5%
- 12 months to
- Highest 12-month return
- +87.2%
- 12 months to
- Below its highest weekly close since November 2021
- 6.2%
- High of , latest
In words: Volatility of International Biotechnology Trust PLC in pounds, annualised from weekly returns to 13/11/2026: 24.5% over 1 year, 25.8% over 3 years, 24.6% over 5 years. Largest fall in the price of International Biotechnology Trust PLC since November 2021, in pounds: −31.9% from 24/12/2021 to 11/04/2025. The lowest 12-month return of International Biotechnology Trust PLC in pounds (price only, income paid out not included) since January 2021 was −26.5% (12 months to 28/01/2022); the highest was +87.2% (12 months to 10/04/2026). On 13/11/2026 the price of International Biotechnology Trust PLC was 6.2% below its highest weekly close since November 2021 (28/08/2026), in pounds.
As of , price only — income paid out is not included
How we work it out:Risk figuresFallsVolatilityLargest fall
In plain English
International Biotechnology Trust PLC is an investment trust.
You buy and sell it through a share-dealing account or platform during stock-market hours, like a share.
Investment trusts: Companies on the stock exchange that invest in other assets. Their share price can be above or below the value of what they own.
Key facts
- Ticker
- IBT
- ISIN
- GB0004559349
- Structure
- Investment trust
- A company listed on the stock exchange that invests in other assets; its price can differ from the value of what it holds.
- Domicile
- United Kingdom
- Can usually be held in
- ISA and SIPP
- Check with your platform: each decides which funds it offers.
- Currency hedged
- No
- Price currency
- Pounds (GBP)
- Category
- Investment trusts
Price chart
Over the last year, the closing price went from £8.96 on 14/11/2025 to £10.65 on 13/11/2026 (+18.9%). The lowest close shown was £8.50 on 27/03/2026 and the highest £11.35 on 28/08/2026.
One close a week. Before 31/07/2026 the closes are from the weekly price history for this listing; from then on, the closing prices we have recorded. Price only — income paid out is not included.
As of , at least 15 min delayed
Five years of prices, and after inflation
262 weekly closes, from 12/11/2021 to 13/11/2026. The same history in November 2026 pounds, adjusted with CPIH inflation.
Create a free account to see the 5-year price chart and the after-inflation chart
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How we work it out:Prices and returnsNAV and price
Risk and return in depth
Sharpe, Sortino and Calmar ratios
Sharpe, Sortino and Calmar ratios over 1, 3 and 5 years, from weekly returns in pounds.
With a free accountRolling returns
The full range of 254 rolling 12-month returns since January 2021, and of 150 rolling three-year returns, in pounds, with how often they were above zero.
With a free accountLargest falls and recoveries
The 3 largest falls since November 2021, in pounds, with how many weeks each took to reach its low and to recover.
With a free account
Create a free account to see the risk ratios, every rolling return and each large fall and its recovery
Sign-up takes an email address. There is no card to enter and nothing to pay.
Moves compared with a similar fund
Correlation and beta of weekly returns in pounds against iShares Core MSCI World UCITS ETF, over the three years to 13/11/2026 (154 weeks).
Pro
Pro — currently by invitation
Pro includes moves against a comparable fund
Pro is open by invitation while it is being built. There is nothing to buy. To ask about access, email [email protected].
Questions people ask
What is the ISIN of IBT?
The ISIN of IBT is GB0004559349. An ISIN identifies one exact share class of a fund; IBT is its ticker on the London Stock Exchange.
What were IBT’s returns in each of the last five years?
Calendar-year returns of IBT in pounds (price only, income paid out not included): 2022 −5.6%, 2023 −9.1%, 2024 +7.5%, 2025 +40.0%; 2026 to 13/11/2026 +10.2%. Past performance is not a guide to future returns.
How has IBT done after inflation?
Over the five years to 13/11/2026 IBT’s price changed by +40.1% (income paid out is not included), or +9.4% after UK CPIH inflation. Past performance is not a guide to future returns.
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Fund documents and methods
Methodology:ReturnsCategoriesAll methods
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