Fusion Antibodies (LSE:FAB) FCF Yield %: -8.61 (As of Jun. 29, 2026)


LSE:FAB Fusion Antibodies PLC LSE:FAB
32 GF Score
Price £0.12
GF Value £0.04
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Fusion Antibodies FCF Yield %?

Fusion Antibodies LSE:FAB 32 FCF Yield % is -8.61 as of Jun. 29, 2026. GuruFocus rates LSE:FAB with a GF Score™ of 32/100 and a GF Value™ of £0.04 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,415 Biotechnology companies, Fusion Antibodies ranks better than 52.16% on this metric.

FCF Yield % is calculated as Free Cash Flow divided by Market Capitalization. It is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

As of today, Fusion Antibodies's Trailing 12-Month Free Cash Flow is £-1.24 Mil, and Market Cap is £14.39 Mil. Therefore, Fusion Antibodies's FCF Yield % for today is -8.61%.

The historical rank and industry rank for Fusion Antibodies's FCF Yield % or its related term are showing as below:

LSE:FAB' s FCF Yield % Range Over the Past 10 Years
Min: -224.39   Med: -8.19   Max: -0.27
Current: -8.61


During the past 11 years, the highest FCF Yield % of Fusion Antibodies was -0.27%. The lowest was -224.39%. And the median was -8.19%.

LSE:FAB's FCF Yield % is ranked better than
52.16% of 1415 companies
in the Biotechnology industry
Industry Median: -9.62 vs LSE:FAB: -8.61

Fusion Antibodies's FCF Margin % for the quarter that ended in Sep. 2025 was -74.82%.


Fusion Antibodies FCF Yield % Explanation

Similar to Earnings Yield %, FCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high free cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


Fusion Antibodies FCF Yield % Related Terms


Fusion Antibodies FCF Yield % Historical Data

* Premium members only.

The historical data trend for Fusion Antibodies's FCF Yield % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Fusion Antibodies FCF Yield % Chart

Fusion Antibodies Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25
FCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.73 -3.77 -18.65 -49.52 -21.30

Fusion Antibodies Semi-Annual Data
Mar15 Mar16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25
FCF Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -82.63 -23.38 -37.32 -18.97 -6.30

LSE:FAB vs VRTX, REGN, ALNY: FCF Yield % Comparison

For the Biotechnology subindustry, Fusion Antibodies's FCF Yield %, along with its competitors' market caps and FCF Yield % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Fusion Antibodies FCF Yield % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Fusion Antibodies's FCF Yield % distribution charts can be found below:

* The bar in red indicates where Fusion Antibodies's FCF Yield % falls into.


LSE:FAB
32GF Score
Fusion Antibodies PLC LSE:FAB
FCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fusion Antibodies FCF Yield % Calculation

FCF Yield % is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

Fusion Antibodies's FCF Yield % for the fiscal year that ended in Mar. 2025 is calculated as

FCF Yield %=Free Cash Flow / Market Cap
=-1.374 / 6.451473
=-21.30%

Fusion Antibodies's annualized FCF Yield % for the quarter that ended in Sep. 2025 is calculated as

FCF Yield %=Free Cash Flow * Annualized Factor / Market Cap
=-0.627 * 2 / 19.8898
=-6.30%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about FCF Yield % →
What does a FCF Yield % of -8.61 mean?
Fusion Antibodies (LSE:FAB) has a FCF Yield % of -8.61 as of Jun. 29, 2026. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Fusion Antibodies and its competitors. According to the industry distribution chart, Fusion Antibodies ranks #677 out of 1415 companies in the Biotechnology industry, placing it in the top 47.8%.
Is Fusion Antibodies' FCF Yield % too high?
Fusion Antibodies' current FCF Yield % is -8.61. Based on the distribution chart, Fusion Antibodies ranks #677 out of 1415 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Fusion Antibodies has a GF Score™ of 32/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fusion Antibodies' FCF Yield % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Fusion Antibodies ranks #677 out of 1415 companies for FCF Yield %. This puts Fusion Antibodies in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Yield % for a Biotechnology company?
A good FCF Yield % depends on the Biotechnology industry context. However, FCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Yield % mean?
A high FCF Yield % can signal that a stock is expensive relative to its fundamentals. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Fusion Antibodies and its competitors. Fusion Antibodies's current FCF Yield % is -8.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fusion Antibodies stock overvalued right now?
Based on GuruFocus' analysis, Fusion Antibodies (LSE:FAB) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.04, compared to a current price of £0.12 — trading 187.5% above its estimated fair value. The current FCF Yield % is -8.61. Fusion Antibodies' overall GF Score™ is 32/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Yield % calculated?
FCF Yield % is calculated from a company's financial statements. For Fusion Antibodies (LSE:FAB), the current FCF Yield % is -8.61 as of Jun. 29, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Fusion Antibodies (LSE:FAB) Overvalued in 2026?

Based on GuruFocus' analysis, Fusion Antibodies stock appears to be overvalued. The current stock price of £0.12 is trading 187.5% above its estimated GF Value™ of £0.04. GuruFocus considers Fusion Antibodies to be Significantly Overvalued.

Key valuation signals for LSE:FAB:

  • FCF Yield %: -8.61
  • GF Value™: £0.04 vs. price of £0.12 (187.5% above fair value)
  • GF Score™: 32/100 with 4 warning signs

No single metric tells the full story. See the LSE:FAB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Fusion Antibodies Business Description

Address 1 Springbank Road, Springbank Industrial Estate, Dunmurry, Northern Ireland, Belfast, GBR, BT17 0QL
Fusion Antibodies PLC is a Contract Research Organisation (CRO) providing antibody identification, engineering, and expression services for the discovery and development of antibodies for human and veterinary therapeutics, as well as for diagnostics. Its customers are pharmaceutical, biotech, veterinary, diagnostic, and life science research companies. The company's three core service areas include: Discovery (identification, screening, and sequencing of novel antibodies); Engineering (optimising the performance of antibodies); and Supply (production and purification of antibodies for further development). Geographically company generates the majority of its revenue from North America and the Rest of the World, followed by the United Kingdom and the Rest of Europe.
32GF Score

Get the complete analysis for LSE:FAB

FCF Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£0.12
Price
£0.04
GF Value