# Geiger Counter Limited (GCL)

**Page:** https://fundology.uk/fund/gcl · ISIN GB00B15FW330

## 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 13/11/2026, GCL (Geiger Counter Limited, ISIN GB00B15FW330) closed at £0.404 on the London Stock Exchange. Over the five years to 13/11/2026 its price changed by −43.9% (income paid out is not included), or −56.2% after UK CPIH inflation.

## Summary

Geiger Counter Limited is an investment trust. You buy and sell it through a share-dealing account or platform during stock-market hours, like a share.

Latest close: **£0.404** (13/11/2026).

## Key facts

| Fact | Value |
|---|---|
| Ticker (LSE) | GCL |
| ISIN | GB00B15FW330 |
| Category | Investment trusts |
| Type | Investment trust |
| Domicile | United Kingdom |

## Past returns (periods to 13/11/2026)

After the fund's ongoing charges. "Income reinvested" is total return; "price only" leaves out income paid out. Real returns are after UK CPIH inflation.

| Window | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 1 year | -18.88% | -21.75% | price only |
| 3 years | -19.20% | -27.00% | price only |
| 5 years | -43.89% | -56.20% | price only |

Returns: worked out from recorded daily closes. Inflation: UK CPIH, latest month published.

## Calendar-year returns

Calendar-year returns of Geiger Counter Limited in pounds (price only, income paid out not included): 2022 −19.3%, 2023 +26.3%, 2024 −9.5%, 2025 +24.9%; 2026 to 13/11/2026 −33.8%. Returns of Geiger Counter Limited in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: −13.2%; to 30/09/2025: +39.3%; to 30/09/2024: −12.5%; to 30/09/2023: +13.0%; to 30/09/2022: −8.0%.

| Year | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 2022 | -19.3% | -26.2% | Price |
| 2023 | +26.3% | +21.3% | Price |
| 2024 | -9.5% | -12.6% | Price |
| 2025 | +24.9% | +20.6% | Price |
| 2026 to 13/11/2026 | -33.8% | -35.9% | Price |

## Risk metrics

| Window | Volatility | Max drawdown |
|---|---|---|
| 1 year | 46.95% | -52.19% |
| 3 years | 45.03% | -53.85% |
| 5 years | 50.50% | -60.00% |

## Largest fall

Volatility of Geiger Counter Limited in pounds, annualised from weekly returns to 13/11/2026: 46.9% over 1 year, 45.0% over 3 years, 50.5% over 5 years. Largest fall in the price of Geiger Counter Limited since November 2021, in pounds: −60.0% from 15/04/2022 to 04/04/2025. The lowest 12-month return of Geiger Counter Limited in pounds (price only, income paid out not included) since January 2021 was −50.0% (12 months to 14/04/2023); the highest was +141.8% (12 months to 17/04/2026). On 13/11/2026 the price of Geiger Counter Limited was 52.2% below its highest weekly close since November 2021 (23/01/2026), in pounds.

## Charges & eligibility

- Stocks and shares ISA eligible: usually (check with your platform)
- SIPP eligible: usually (check with your provider)
- ISA and SIPP mean the kind of product usually qualifies under HMRC rules. We do not check each platform’s list — each provider decides which funds it offers. Crypto ETNs have not qualified for a stocks and shares ISA since 06/04/2026, and overseas funds that are not UK-recognised UCITS, such as Swiss ETFs, do not usually qualify.

## Questions people ask

**What is the ISIN of GCL?**

The ISIN of GCL is GB00B15FW330. An ISIN identifies one exact share class of a fund; GCL is its ticker on the London Stock Exchange.

**What were GCL’s returns in each of the last five years?**

Calendar-year returns of GCL in pounds (price only, income paid out not included): 2022 −19.3%, 2023 +26.3%, 2024 −9.5%, 2025 +24.9%; 2026 to 13/11/2026 −33.8%. Past performance is not a guide to future returns.

**How has GCL done after inflation?**

Over the five years to 13/11/2026 GCL’s price changed by −43.9% (income paid out is not included), or −56.2% after UK CPIH inflation. Past performance is not a guide to future returns.

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Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.