GBAF Logo
Global Banking & Finance Awards® 2026 Nominations open, free to enter Nominate now →
D

Diamond Biotechnology Co 6815.TWO · TWD

Health Care · Taipei Exchange · 🇹🇼 Taiwan

Compare

19.00

0.00%

Close of 9 Nov 2026, in TWD

Search any instrument

Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

At a glance

Figures in TWD, from our data supplier.

FY2025

Revenue

TWD 501.5m

FY2017FY2025

Net income

−TWD 70.3m

FY2017FY2025

Free cash flow

−TWD 3.2m

FY2017FY2025

Shareholders' equity

TWD 541.8m

FY2017FY2025

Income statement

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017
RevenueTWD 501.5mTWD 768.3mTWD 616.1mTWD 434.8mTWD 395.2mTWD 306.4mTWD 268.4mTWD 227.6mTWD 192.8m
Gross profitTWD 184.0mTWD 330.7mTWD 289.6mTWD 184.3mTWD 187.9mTWD 128.4mTWD 134.8mTWD 105.4mTWD 94.8m
Research and developmentTWD 47.5mTWD 41.4mTWD 29.3mTWD 25.9mTWD 27.9mTWD 2.9mTWD 1.1mTWD 4.4m—
Operating income−TWD 74.2mTWD 112.8mTWD 63.9mTWD 46.4mTWD 48.1mTWD 15.0mTWD 56.3mTWD 51.6mTWD 52.6m
Net income−TWD 70.3mTWD 73.2mTWD 46.7mTWD 33.4mTWD 41.9mTWD 11.0mTWD 44.2mTWD 41.0mTWD 42.3m
Diluted earnings per share-1.782.331.511.081.510.411.921.761.97

Balance sheet

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017
Total assetsTWD 869.0mTWD 1.06bnTWD 798.9mTWD 630.5mTWD 540.9mTWD 437.8mTWD 470.1mTWD 283.0mTWD 265.3m
Cash and short-term investments—TWD 246.1mTWD 78.5mTWD 98.5mTWD 51.2mTWD 62.4mTWD 56.5mTWD 42.0mTWD 37.2m
Total liabilitiesTWD 327.1mTWD 433.3mTWD 452.5mTWD 327.8mTWD 267.8mTWD 205.6mTWD 1.7mTWD 90.4mTWD 101.6m
DebtTWD 172.4mTWD 251.6mTWD 352.7mTWD 214.9mTWD 180.0mTWD 151.5mTWD 117.4mTWD 23.4mTWD 24.1m
Shareholders' equityTWD 541.8mTWD 623.1mTWD 346.4mTWD 302.7mTWD 273.1mTWD 232.2mTWD 250.4mTWD 192.5mTWD 163.7m
Shares outstanding39m31m31m31m28m27m23m23m21m

Cash flow

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017
Cash from operations−TWD 2.1mTWD 33.7mTWD 40.9mTWD 157.5mTWD 5.6mTWD 71.2mTWD 23.2mTWD 33.3mTWD 1.8m
Capital spending−TWD 1.1m−TWD 30.2m−TWD 196.6m−TWD 73.0m−TWD 24.9m−TWD 57.0m−TWD 16.6m−TWD 16.8m−TWD 64.8m
Free cash flow−TWD 3.2mTWD 3.5m−TWD 155.7mTWD 84.6m−TWD 19.3mTWD 14.2mTWD 6.6mTWD 16.6m−TWD 63.0m
Dividends paid−TWD 6.6m−TWD 5.0m−TWD 3.0m−TWD 3.8m−TWD 994,000−TWD 29.3m−TWD 36.3m——

Latest quarters

By quarter end

Jun 2025Dec 2024Jun 2024Dec 2023Jun 2023Dec 2022Jun 2022Dec 2021
RevenueTWD 317.6mTWD 380.5mTWD 387.7mTWD 319.8mTWD 296.3mTWD 241.9mTWD 192.9mTWD 197.6m
Gross profitTWD 128.3mTWD 153.2mTWD 177.5mTWD 157.7mTWD 131.9mTWD 99.4mTWD 84.9mTWD 93.9m
Operating incomeTWD 13.5mTWD 37.8mTWD 74.9mTWD 23.8mTWD 40.1mTWD 24.6mTWD 21.8mTWD 27.3m
Net incomeTWD 9.3mTWD 23.2mTWD 50.0mTWD 17.0mTWD 29.8mTWD 16.1mTWD 17.3mTWD 21.0m
Diluted earnings per share0.240.741.590.550.960.520.560.75
Cash from operations−TWD 21.0mTWD 92.0m−TWD 41.0mTWD 28.0mTWD 7.0mTWD 131.0m—TWD 2.0m
Capital spending—−TWD 9.0m−TWD 21.0m−TWD 15.0m−TWD 181.0m−TWD 9.0m—−TWD 12.0m
Free cash flow—TWD 83.0m−TWD 62.0mTWD 13.0m−TWD 174.0mTWD 122.0m—−TWD 10.0m
Total assetsTWD 981.8mTWD 1.06bnTWD 1.04bnTWD 798.9mTWD 779.2mTWD 630.5m—TWD 540.9m
Cash and short-term investmentsTWD 209.5mTWD 246.1mTWD 224.1mTWD 78.5mTWD 64.2mTWD 98.5m—TWD 51.2m
DebtTWD 188.7mTWD 249.5mTWD 309.5mTWD 167.0mTWD 155.7mTWD 172.0m—TWD 102.7m
Shareholders' equityTWD 617.3mTWD 623.1mTWD 612.6mTWD 346.4mTWD 329.4mTWD 302.7m—TWD 273.1m

Financial ratios

Data as of 28 Oct 2026

FY2025FY2024FY2023FY2022FY2021FY2020
Gross margin36.7%43.0%47.0%42.4%47.5%41.9%
Operating margin-14.9%13.4%10.7%10.5%13.8%5.2%
Net margin-14.0%9.5%7.6%7.7%10.6%3.6%
Return on equity-13.0%11.7%13.5%11.0%15.3%4.8%
Return on assets-8.1%6.9%5.9%5.3%7.7%2.5%
Free cash flow yield-0.1%9.7%36.7%35.6%5.2%22.7%
Revenue growth-34.7%24.7%41.7%10.0%29.0%14.2%
Earnings growth-196.1%56.6%40.0%-20.4%279.4%-75.0%
Current ratio3.28x3.28x1.50x1.22x1.77x1.87x
Debt to equity0.32x0.40x1.02x0.70x0.57x0.33x
Equity ratio62.4%59.0%43.4%48.0%50.5%53.0%
Interest coverage-14.39x13.86x8.76x12.19x23.99x6.45x
R&D as a share of sales9.5%5.4%4.8%6.0%7.1%0.9%
Buybacks as a share of market value-25.9%-1.6%0.0%-11.0%-3.4%-17.2%

Growth per year

Compound annual rate

3 years5 years10 years
Revenue4.9%10.4%—

Average margins

Over each period

1 year3 years5 years10 years
Gross margin40.5%42.6%43.2%—

Valuation history

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021
Price to earnings-34.828.443.421.817.6
Price to sales4.92.73.31.71.9

Dividends and splits

Per share, in the currency the company pays

Paid for 4 years. Last went ex-dividend on 27 Aug 2025.

FY2025FY2024FY2023FY2022
Paid in the year0.1960.140.0910.12
  • 1176-for-1000 split · 27 Aug 2025
  • 1176.017-for-1000 split · 26 Aug 2025
  • 1123.3191-for-1000 split · 5 Aug 2024
  • 1109.1-for-1000 split · 23 Aug 2023
  • 1158.55-for-1000 split · 24 Aug 2022
  • 1043.6-for-1000 split · 27 Aug 2021

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.