Castles Technology Co., Ltd.

TWSE:5258 Stock Report

Market Cap: NT$4.9b

Castles Technology Past Earnings Performance

Past criteria checks 3/6

Castles Technology has been growing earnings at an average annual rate of 4.8%, while the Electronic industry saw earnings declining at 0.1% annually. Revenues have been growing at an average rate of 10.8% per year. Castles Technology's return on equity is 11.3%, and it has net margins of 5.8%.

Key information

4.83%

Earnings growth rate

3.04%

EPS growth rate

Electronic Industry Growth14.81%
Revenue growth rate10.76%
Return on equity11.28%
Net Margin5.82%
Last Earnings Update30 Jun 2026

Recent past performance updates

Recent updates

Analysis Article • Mar 21

We Think That There Are More Issues For Castles Technology (TWSE:5258) Than Just Sluggish Earnings

Castles Technology Co., Ltd.'s ( TWSE:5258 ) recent weak earnings report didn't cause a big stock movement. However, we...
Analysis Article • Feb 07

Fewer Investors Than Expected Jumping On Castles Technology Co., Ltd. (TWSE:5258)

When close to half the companies in Taiwan have price-to-earnings ratios (or "P/E's") above 21x, you may consider...
Analysis Article • Dec 17

Is There Now An Opportunity In Castles Technology Co., Ltd. (TWSE:5258)?

While Castles Technology Co., Ltd. ( TWSE:5258 ) might not have the largest market cap around , it saw significant...
Analysis Article • Nov 06

It's Down 26% But Castles Technology Co., Ltd. (TWSE:5258) Could Be Riskier Than It Looks

Castles Technology Co., Ltd. ( TWSE:5258 ) shares have had a horrible month, losing 26% after a relatively good period...
Analysis Article • Apr 22

Take Care Before Diving Into The Deep End On Castles Technology Co., Ltd. (TWSE:5258)

Castles Technology Co., Ltd.'s ( TWSE:5258 ) price-to-earnings (or "P/E") ratio of 14.2x might make it look like a buy...
Analysis Article • Mar 11

Here's Why Castles Technology (TWSE:5258) Has Caught The Eye Of Investors

For beginners, it can seem like a good idea (and an exciting prospect) to buy a company that tells a good story to...
Analysis Article • Apr 28

Castles Technology (TPE:5258) Has Some Way To Go To Become A Multi-Bagger

If we want to find a potential multi-bagger, often there are underlying trends that can provide clues. Firstly, we'd...
Analysis Article • Apr 07

Castles Technology (TPE:5258) Has A Somewhat Strained Balance Sheet

Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...
Analysis Article • Mar 18

Would Shareholders Who Purchased Castles Technology's (TPE:5258) Stock Five Years Be Happy With The Share price Today?

For many, the main point of investing is to generate higher returns than the overall market. But in any portfolio...
Analysis Article • Feb 19

Are Castles Technology Co., Ltd.'s (TPE:5258) Mixed Financials The Reason For Its Gloomy Performance on The Stock Market?

It is hard to get excited after looking at Castles Technology's (TPE:5258) recent performance, when its stock has...
Analysis Article • Jan 29

Should You Use Castles Technology's (TPE:5258) Statutory Earnings To Analyse It?

It might be old fashioned, but we really like to invest in companies that make a profit, each and every year. Having...
Analysis Article • Jan 08

Will Castles Technology (TPE:5258) Multiply In Value Going Forward?

If we want to find a stock that could multiply over the long term, what are the underlying trends we should look for...
Analysis Article • Dec 18

Castles Technology (TPE:5258) Takes On Some Risk With Its Use Of Debt

Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...
Analysis Article • Nov 27

A Look At Castles Technology's (TPE:5258) Share Price Returns

Castles Technology Co., Ltd. (TPE:5258) shareholders should be happy to see the share price up 15% in the last month...

Revenue & Expenses Breakdown

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

Earnings and Revenue History

TWSE:5258 Revenue, expenses and earnings (TWD Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
30 Jun 268,3314851,372800
31 Mar 267,8883671,357815
31 Dec 257,8624651,285824
30 Sep 257,6783641,217859
30 Jun 257,7173941,097849
31 Mar 257,6895441,039845
31 Dec 247,8266951,003826
30 Sep 247,9497331,030736
30 Jun 247,9488201,007673
31 Mar 248,031865978647
31 Dec 238,045899893633
30 Sep 238,179905906640
30 Jun 238,090888802658
31 Mar 237,719836746627
31 Dec 227,400761702588
30 Sep 226,504639591535
30 Jun 225,703452550507
31 Mar 225,069355465502
31 Dec 214,455223441487
30 Sep 214,081172423452
30 Jun 213,720169382424
31 Mar 213,652170362412
31 Dec 203,735198359412
30 Sep 203,856318293455
30 Jun 203,795309280435
31 Mar 203,747193423416
31 Dec 193,57717598389
30 Sep 193,087-5021,064344
30 Jun 192,659-6041,129316
31 Mar 192,428-487981318
31 Dec 182,328-372816313
30 Sep 182,46918360313
30 Jun 182,56784316283
31 Mar 182,56127308251
31 Dec 172,61159275230
30 Sep 172,45353277179
30 Jun 172,57474265205
31 Mar 172,717161260202
31 Dec 163,173302254199
30 Sep 163,112215334204
30 Jun 163,470284308199
31 Mar 163,229225288181
31 Dec 152,62797270167
30 Sep 152,430157153150

Quality Earnings: 5258 has a high level of non-cash earnings.

Growing Profit Margin: 5258's current net profit margins (5.8%) are higher than last year (5.1%).

Free Cash Flow vs Earnings Analysis

Past Earnings Growth Analysis

Earnings Trend: 5258's earnings have grown by 4.8% per year over the past 5 years.

Accelerating Growth: 5258's earnings growth over the past year (23.2%) exceeds its 5-year average (4.8% per year).

Earnings vs Industry: 5258 earnings growth over the past year (23.2%) did not outperform the Electronic industry 30.9%.

Return on Equity

High ROE: 5258's Return on Equity (11.3%) is considered low.

Return on Assets

Return on Capital Employed

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Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/09/11 16:14
End of Day Share Price 2026/09/11 00:00
Earnings2026/06/30
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 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

Castles Technology Co., Ltd. is covered by 1 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Chihhao ChangSinoPac Securities Investment Service