Investment trust
BASC Brown Advisory US Smaller Companies PLC GBP
ISIN GB0003463402London Stock Exchange: BASC
- Investment trusts
- Investment trust
- ISA
- SIPP
Latest close
LSE£15.63
on
Source: TradingView, as of , at least 15 min delayed
At a glance
As of 30/09/2026, BASC (Brown Advisory US Smaller Companies PLC GBP, ISIN GB0003463402) closed at £15.63 on the London Stock Exchange. Over the five years to 30/09/2026 its price changed by +17.0% (income paid out is not included), or −7.4% after UK CPIH inflation.
Past returns
- 1 year to 30/09/2026
- +17.0%
- +13.9% after inflation (UK CPIH)
- 3 years to 30/09/2026
- +35.3%
- +22.8% after inflation (UK CPIH)
- 5 years to 30/09/2026
- +17.0%
- −7.4% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £1,170 on 30/09/2026 — about £926 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: Fundology, from recorded daily closes. Inflation: ONS CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month returns
Calendar-year returns of Brown Advisory US Smaller Companies PLC GBP in pounds (price only, income paid out not included): 2022 −19.9%, 2023 +9.1%, 2024 +7.4%, 2025 −1.4%; 2026 to 30/09/2026 +14.3%. Returns of Brown Advisory US Smaller Companies PLC GBP in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: +19.7%; to 30/09/2025: +0.4%; to 30/09/2024: +11.6%; to 30/09/2023: −3.7%; to 30/09/2022: −12.5%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | +14.3% | +11.1% | |
| −1.4% | −4.8% | ||
| +7.4% | +3.7% | ||
| +9.1% | +4.7% | ||
| −19.9% | −26.7% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | +19.7% | Not available |
| from | +0.4% | −3.5% |
| from | +11.6% | +8.7% |
| from | −3.7% | −9.5% |
| from | −12.5% | −19.6% |
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , inflation: ONS CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
19.4%over 5 years
| 1 year | 13.4% |
|---|---|
| 3 years | 17.9% |
| 5 years | 19.4% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since October 2021
- −28.7%
- From to
- Lowest 12-month return
- −21.8%
- 12 months to
- Highest 12-month return
- +38.0%
- 12 months to
- Below its highest weekly close since October 2021
- 5.3%
- High of , latest
In words: Volatility of Brown Advisory US Smaller Companies PLC GBP in pounds, annualised from weekly returns to 30/09/2026: 13.4% over 1 year, 17.9% over 3 years, 19.4% over 5 years. Largest fall in the price of Brown Advisory US Smaller Companies PLC GBP since October 2021, in pounds: −28.7% from 19/11/2021 to 17/06/2022. The lowest 12-month return of Brown Advisory US Smaller Companies PLC GBP in pounds (price only, income paid out not included) since May 2021 was −21.8% (12 months to 24/06/2022); the highest was +38.0% (12 months to 08/11/2024). On 30/09/2026 the price of Brown Advisory US Smaller Companies PLC GBP was 5.3% below its highest weekly close since October 2021 (10/07/2026), in pounds.
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , price only — income paid out is not included
How we work it out:Risk figuresFallsVolatilityLargest fall
In plain English
Brown Advisory US Smaller Companies PLC GBP 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
- BASC
- ISIN
- GB0003463402
- 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 be held in
- ISA and SIPP
- Currency hedged
- No
- Price currency
- Pounds (GBP)
- Category
- Investment trusts
Price chart
Since 31/07/2026, the closing price went from £15.95 on 31/07/2026 to £15.63 on 30/09/2026 (−2.0%). The lowest close shown was £15.40 on 18/09/2026 and the highest £16.40 on 14/08/2026.
Chart: closing prices we have recorded since 31/07/2026. Price only — income paid out is not included, so the line can end below the total return above.
Source: TradingView, as of , at least 15 min delayed
Five years of prices, and after inflation
10 weekly closes, from 31/07/2026 to 30/09/2026. The same history in September 2026 pounds, adjusted with ONS 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 230 rolling 12-month returns since May 2021, and of 126 rolling three-year returns, in pounds, with how often they were above zero.
With a free accountLargest falls and recoveries
The 2 largest falls since October 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 S&P 500 UCITS ETF, over the three years to 30/09/2026 (151 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 BASC?
The ISIN of BASC is GB0003463402. An ISIN identifies one exact share class of a fund; BASC is its ticker on the London Stock Exchange.
What were BASC’s returns in each of the last five years?
Calendar-year returns of BASC in pounds (price only, income paid out not included): 2022 −19.9%, 2023 +9.1%, 2024 +7.4%, 2025 −1.4%; 2026 to 30/09/2026 +14.3%. Past performance is not a guide to future returns.
How has BASC done after inflation?
Over the five years to 30/09/2026 BASC’s price changed by +17.0% (income paid out is not included), or −7.4% after UK CPIH inflation. Past performance is not a guide to future returns.
Similar funds
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- AAIFAberdeen Asian Income Fund Limited
- AEIAberdeen Equity Income Trust PLC GBP
- ANIIAberdeen New India Investment Trust PLC GBP
- AUSCAberdeen UK Smaller Companies Growth Trust plc GBP
- AGVIAberforth Geared Value & Income Trust PLC
Sources and dates
- Prices
- London Stock Exchange closes via TradingView, at least 15 minutes delayed, latest
- Returns
- Fundology, from recorded closes
- Calendar years, risk
- Fundology, from recorded closes (weekly history from the data vendor where our record is short)
- Inflation
- ONS CPIH, latest month used August 2026
- Identity
- FCA Financial Instruments Reference Data System (FIRDS) and the issuer
Methodology:Data sourcesReturnsCategoriesAll methods
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