Investment trust
BIOG Biotech Growth Trust PLC
ISIN GB0000385517London Stock Exchange: BIOG
- Investment trusts
- Investment trust
- ISA
- SIPP
Latest close
LSE£14.00
on
As of , at least 15 min delayed
At a glance
As of 13/11/2026, BIOG (Biotech Growth Trust PLC, ISIN GB0000385517) closed at £14.00 on the London Stock Exchange. Over the five years to 13/11/2026 its price changed by +15.3% (income paid out is not included), or −10.0% after UK CPIH inflation.
Past returns
- 1 year to 13/11/2026
- +31.5%
- +26.8% after inflation (UK CPIH)
- 3 years to 13/11/2026
- +91.5%
- +73.0% after inflation (UK CPIH)
- 5 years to 13/11/2026
- +15.3%
- −10.0% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £1,153 on 13/11/2026 — about £900 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 Biotech Growth Trust PLC in pounds (price only, income paid out not included): 2022 −22.1%, 2023 −3.5%, 2024 −0.9%, 2025 +35.4%; 2026 to 13/11/2026 +16.7%. Returns of Biotech Growth Trust PLC in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: +51.0%; to 30/09/2025: +0.1%; to 30/09/2024: +32.0%; to 30/09/2023: −21.9%; to 30/09/2022: −15.3%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | +16.7% | +12.9% | |
| to | +35.4% | +30.8% | |
| to | −0.9% | −4.3% | |
| −3.5% | −7.3% | ||
| −22.1% | −28.6% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | +51.0% | +45.7% |
| from | +0.1% | −3.8% |
| from | +32.0% | +28.6% |
| from | −21.9% | −26.6% |
| from | −15.3% | −22.2% |
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)
26.7%over 5 years
| 1 year | 26.9% |
|---|---|
| 3 years | 27.6% |
| 5 years | 26.7% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since November 2021
- −46.3%
- From to
- Lowest 12-month return
- −45.1%
- 12 months to
- Highest 12-month return
- +112.3%
- 12 months to
- Below its highest weekly close since November 2021
- 19.4%
- High of , latest
In words: Volatility of Biotech Growth Trust PLC in pounds, annualised from weekly returns to 13/11/2026: 26.9% over 1 year, 27.6% over 3 years, 26.7% over 5 years. Largest fall in the price of Biotech Growth Trust PLC since November 2021, in pounds: −46.3% from 24/12/2021 to 11/04/2025. The lowest 12-month return of Biotech Growth Trust PLC in pounds (price only, income paid out not included) since January 2021 was −45.1% (12 months to 04/02/2022); the highest was +112.3% (12 months to 26/06/2026). On 13/11/2026 the price of Biotech Growth Trust PLC was 19.4% 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
Biotech Growth 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
- BIOG
- ISIN
- GB0000385517
- 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 £11.50 on 14/11/2025 to £14.00 on 13/11/2026 (+21.7%). The lowest close shown was £11.50 on 14/11/2025 and the highest £17.38 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 BIOG?
The ISIN of BIOG is GB0000385517. An ISIN identifies one exact share class of a fund; BIOG is its ticker on the London Stock Exchange.
What were BIOG’s returns in each of the last five years?
Calendar-year returns of BIOG in pounds (price only, income paid out not included): 2022 −22.1%, 2023 −3.5%, 2024 −0.9%, 2025 +35.4%; 2026 to 13/11/2026 +16.7%. Past performance is not a guide to future returns.
How has BIOG done after inflation?
Over the five years to 13/11/2026 BIOG’s price changed by +15.3% (income paid out is not included), or −10.0% 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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