Aptamer Group (LSE:APTA) FCF Margin %: -151.33% (As of Dec. 2025)


What is Aptamer Group FCF Margin %?

Aptamer Group LSE:APTA FCF Margin % is -151.33% as of Dec. 2025. The stock has 4 warning signs investors should review. Among 959 Biotechnology companies, Aptamer Group ranks worse than 57.04% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Aptamer Group's Free Cash Flow for the six months ended in Dec. 2025 was £-1.25 Mil. Aptamer Group's Revenue for the six months ended in Dec. 2025 was £0.83 Mil. Therefore, Aptamer Group's FCF Margin % for the quarter that ended in Dec. 2025 was -151.33%.

As of today, Aptamer Group's current FCF Yield % is -10.84%.

The historical rank and industry rank for Aptamer Group's FCF Margin % or its related term are showing as below:

LSE:APTA' s FCF Margin % Range Over the Past 10 Years
Min: -347.72   Med: -129.51   Max: -28.54
Current: -142.74

During the past 6 years, the highest FCF Margin % of Aptamer Group was -28.54%. The lowest was -347.72%. And the median was -129.51%.

LSE:APTA's FCF Margin % is ranked worse than
57.04% of 959 companies
in the Biotechnology industry
Industry Median: -84.65 vs LSE:APTA: -142.74

Aptamer Group FCF Margin % Related Terms

Aptamer Group FCF Margin % Historical Data

* Premium members only.

The historical data trend for Aptamer Group's FCF Margin % 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.

Aptamer Group FCF Margin % Chart

Aptamer Group Annual Data
Trend Mar19 Mar20 Jun22 Jun23 Jun24 Jun25
FCF Margin %
Get a 7-Day Free Trial -28.54 -69.20 -347.72 -279.77 -169.24

Aptamer Group Semi-Annual Data
Mar19 Mar20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only -603.02 -108.36 -202.45 -129.82 -151.33

LSE:APTA vs VRTX, REGN, ALNY: FCF Margin % Comparison

For the Biotechnology subindustry, Aptamer Group's FCF Margin %, along with its competitors' market caps and FCF Margin % 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.

Aptamer Group FCF Margin % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Aptamer Group's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Aptamer Group's FCF Margin % falls into.


Aptamer Group FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Aptamer Group's FCF Margin for the fiscal year that ended in Jun. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Jun. 2025 )/Revenue (A: Jun. 2025 )
=-2.036/1.203
=-169.24 %

Aptamer Group's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-1.253/0.828
=-151.33 %

* 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 Margin % →
What does a FCF Margin % of -151.33% mean?
Aptamer Group (LSE:APTA) has a FCF Margin % of -151.33% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Aptamer Group and its competitors. According to the industry distribution chart, Aptamer Group ranks #547 out of 959 companies in the Biotechnology industry, placing it in the top 57%.
Is Aptamer Group's FCF Margin % too high?
Aptamer Group's current FCF Margin % is -151.33%. Based on the distribution chart, Aptamer Group ranks #547 out of 959 companies in the Biotechnology industry, which is below the industry midpoint.
How does Aptamer Group's FCF Margin % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Aptamer Group ranks #547 out of 959 companies for FCF Margin %. This places Aptamer Group in the lower 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 Margin % for a Biotechnology company?
A good FCF Margin % depends on the Biotechnology industry context. However, FCF Margin % 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 Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Aptamer Group and its competitors. Aptamer Group's current FCF Margin % is -151.33%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aptamer Group stock overvalued right now?
Aptamer Group (LSE:APTA) has a current FCF Margin % of -151.33%. The current FCF Margin % is -151.33%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Aptamer Group (LSE:APTA), the current FCF Margin % is -151.33% as of Dec. 2025. 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.

Aptamer Group Business Description

Other Exchanges P0J:Germany
Address Innovation Way, Windmill House, York, GBR, YO10 5BR
Aptamer Group PLC provides Optimer binders for use in research, diagnostics and therapeutics. It strives to deliver transformational solutions that meet the needs of researchers and developers across the life sciences through the use of its proprietary Optimer technology. Its businesses, Aptamer Solutions for custom Optimer development, Aptamer Diagnostics for in-house and collaborative Optimer-based diagnostic development and Aptamer Therapeutics for the development of Optimer-based therapeutics. The Group represents a single operating segment being research and experimental development of biotechnology. It operates in United Kingdom, Europe, USA and others.