# Geiger Counter Limited (GCL)

**Source:** https://fundology.uk/fund/gcl · ISIN GB00B15FW330 · 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, GCL (Geiger Counter Limited, ISIN GB00B15FW330) closed at £0.55 on the London Stock Exchange. Over the five years to 30/09/2026 its price changed by +10.0% (income paid out is not included), or −13.0% 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: **£0.55** (30/09/2026).

## Key facts

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

## 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 | -13.25% | -15.61% | price only |
| 3 years | +20.22% | +9.15% | price only |
| 5 years | +10.00% | -13.01% | price only |

Returns: Fundology, from recorded daily closes. Inflation: ONS 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 −13.9%, 2025 +20.4%; 2026 to 30/09/2026 −1.8%. Returns of Geiger Counter Limited in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: −6.8%; to 30/09/2025: +29.7%; to 30/09/2024: −12.5%; to 30/09/2023: +13.0%; to 30/09/2022: −9.8%.

| Year | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 2022 | -19.3% | -26.2% | Price |
| 2023 | +26.3% | +21.3% | Price |
| 2024 | -13.9% | -16.8% | Price |
| 2025 | +20.4% | +16.3% | Price |
| 2026 to 30/09/2026 | -1.8% | -4.5% | Price |

## Risk metrics

| Window | Volatility | Max drawdown |
|---|---|---|
| 1 year | 47.61% | -34.91% |
| 3 years | 43.61% | -53.85% |
| 5 years | 50.48% | -60.00% |

## Largest fall

Volatility of Geiger Counter Limited in pounds, annualised from weekly returns to 30/09/2026: 47.6% over 1 year, 43.6% over 3 years, 50.5% over 5 years. Largest fall in the price of Geiger Counter Limited since October 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 30/09/2026 the price of Geiger Counter Limited was 34.9% below its highest weekly close since October 2021 (23/01/2026), in pounds.

## Charges & eligibility

- ISA eligible: yes
- SIPP eligible: yes

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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.