Aptamer Group (LSE:APTA) Effective Interest Rate on Debt %: 9.22% (As of Dec. 2025)

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What is Aptamer Group Effective Interest Rate on Debt %?

Aptamer Group LSE:APTA Effective Interest Rate on Debt % is 9.22% as of Dec. 2025. The stock has 4 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Aptamer Group's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was £0.04 Mil. Aptamer Group's average total debt for the quarter that ended in Dec. 2025 was £0.41 Mil. Therefore, Aptamer Group's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 9.22%.


Aptamer Group  (LSE:APTA) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Aptamer Group Effective Interest Rate on Debt % Related Terms


Aptamer Group Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Aptamer Group's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

Aptamer Group Annual Data
Trend Mar19 Mar20 Jun22 Jun23 Jun24 Jun25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 11.21 6.26 11.06 8.44 8.56

Aptamer Group Semi-Annual Data
Mar19 Mar20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Effective Interest Rate on Debt % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only 7.87 8.12 8.49 8.82 9.22

LSE:APTA vs VRTX, REGN, RVMD: Effective Interest Rate on Debt % Comparison

For the Biotechnology subindustry, Aptamer Group's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Aptamer Group's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Aptamer Group's Effective Interest Rate on Debt % falls into.



Aptamer Group Effective Interest Rate on Debt % Calculation

Aptamer Group's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Jun. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Jun. 2024 )+Total Debt  (A: Jun. 2025 ))/ count )
=-1  *  -0.056/( (0.817+0.491)/ 2 )
=-1  *  -0.056/0.654
=8.56 %

where

Total Debt  (A: Jun. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.564 + 0.253
=0.817

Total Debt  (A: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.242 + 0.249
=0.491

Aptamer Group's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Jun. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  -0.038/( (0.491+0.333)/ 2 )
=-1  *  -0.038/0.412
=9.22 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.242 + 0.249
=0.491

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.076 + 0.257
=0.333

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is two times the semi-annual (Dec. 2025) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 9.22% mean?
Aptamer Group (LSE:APTA) has a Effective Interest Rate on Debt % of 9.22% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Aptamer Group and its competitors.
Is Aptamer Group's Effective Interest Rate on Debt % too high?
Aptamer Group's current Effective Interest Rate on Debt % is 9.22%.
How does Aptamer Group's Effective Interest Rate on Debt % compare to VRTX and REGN?
Aptamer Group's Effective Interest Rate on Debt % of 9.22% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for a Biotechnology company?
A good Effective Interest Rate on Debt % depends on the Biotechnology industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Aptamer Group and its competitors. Aptamer Group's current Effective Interest Rate on Debt % is 9.22%. 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 Effective Interest Rate on Debt % of 9.22%. The current Effective Interest Rate on Debt % is 9.22%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Aptamer Group (LSE:APTA), the current Effective Interest Rate on Debt % is 9.22% 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.