J2KBIO Co., Ltd.

KOSDAQ:A420570 Stock Report

Market Cap: ₩47.1b

J2KBIO Past Earnings Performance

Past criteria checks 4/6

J2KBIO's earnings have been declining at an average annual rate of -3%, while the Biotechs industry saw earnings growing at 15.2% annually. Revenues have been growing at an average rate of 14.9% per year. J2KBIO's return on equity is 11.9%, and it has net margins of 10.9%.

Key information

-2.99%

Earnings growth rate

-142.82%

EPS growth rate

Biotechs Industry Growth11.70%
Revenue growth rate14.88%
Return on equity11.88%
Net Margin10.94%
Last Earnings Update31 Mar 2026

Recent past performance updates

Recent updates

Analysis Article Dec 17

J2KBIO Co., Ltd.'s (KOSDAQ:420570) Prospects Need A Boost To Lift Shares

J2KBIO Co., Ltd.'s ( KOSDAQ:420570 ) price-to-sales (or "P/S") ratio of 1.8x might make it look like a strong buy right...
Analysis Article Feb 27

A Piece Of The Puzzle Missing From J2KBIO Co., Ltd.'s (KOSDAQ:420570) 28% Share Price Climb

J2KBIO Co., Ltd. ( KOSDAQ:420570 ) shareholders have had their patience rewarded with a 28% share price jump in the...
Analysis Article Feb 27

J2KBIO Co., Ltd.'s (KOSDAQ:420570) Shares Leap 28% Yet They're Still Not Telling The Full Story

The J2KBIO Co., Ltd. ( KOSDAQ:420570 ) share price has done very well over the last month, posting an excellent gain of...
Analysis Article Aug 23

J2KBIO (KOSDAQ:420570) Has A Rock Solid Balance Sheet

Legendary fund manager Li Lu (who Charlie Munger backed) once said, 'The biggest investment risk is not the volatility...

Revenue & Expenses Breakdown

How J2KBIO makes and spends money. Based on latest reported earnings, on an LTM basis.


Earnings and Revenue History

KOSDAQ:A420570 Revenue, expenses and earnings (KRW Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 2636,8244,0296,7052,570
31 Dec 2532,9662,6736,7452,427
30 Sep 2531,1252,2496,5512,163
30 Jun 2529,0741,1616,8792,131
31 Mar 2532,5882,8906,4181,950
31 Dec 2433,129-1,6536,4191,902
30 Sep 2434,706-6565,9851,786
30 Jun 2435,9221,0095,4291,537
31 Mar 2430,848-3125,1991,402
31 Dec 2328,4724,8444,3321,217
30 Sep 2324,4734,1654,0491,047
30 Jun 2321,0883,3563,6681,019
31 Mar 2317,7912,5013,536945
31 Dec 2216,0322,0863,562878
31 Dec 2114,2191,6233,012778
31 Dec 2013,8581,4752,599761

Quality Earnings: A420570 has high quality earnings.

Growing Profit Margin: A420570's current net profit margins (10.9%) are higher than last year (8.9%).


Free Cash Flow vs Earnings Analysis


Past Earnings Growth Analysis

Earnings Trend: A420570's earnings have declined by 3% per year over the past 5 years.

Accelerating Growth: A420570's earnings growth over the past year (39.4%) exceeds its 5-year average (-3% per year).

Earnings vs Industry: A420570 earnings growth over the past year (39.4%) exceeded the Biotechs industry 22.6%.


Return on Equity

High ROE: A420570's Return on Equity (11.9%) is considered low.


Return on Assets


Return on Capital Employed


Discover strong past performing companies

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/01 02:57
End of Day Share Price 2026/07/01 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

J2KBIO Co., Ltd. is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.