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SunMax Biotechnology Co. Ltd. (4728) AI Stock Analysis

TW:4728

SunMax Biotechnology Co. Ltd.

(TPEx:4728)

Select Model
Rating:76Outperform
Price Target:TWD 441.00â–²(13.66% Upside)
Action:initiatedcoverage
Date:11/09/26

SunMax Biotechnology earns a solid score driven primarily by its outstanding financial profile — industry-leading operating and net margins, consistent mid-40s return on equity, a virtually debt-free balance sheet and strong free cash flow conversion. Valuation is supportive, with a moderate 26x earnings multiple paired with a well-covered 6.1% dividend yield. The main drag is technical momentum: the price has slipped below its short-term moving averages with a negative MACD and subdued momentum readings, though it remains above its 100- and 200-day trends. Investors should also monitor the volatile reported gross margin and the sustainability of the recent cash flow surge.

Positive Factors
Accelerating Revenue GrowthThe sharp 2025 revenue acceleration indicates materially expanding business activity after several years of steady growth. If sustained, this larger revenue base can support operating leverage, strengthen market positioning, and provide additional resources for reinvestment over the next several quarters.
Negative Factors
Gross Margin VolatilityThe sharp gross-margin decline in 2024 shows that profitability may be exposed to changes in product mix or costs, even though margins recovered in 2025. Further volatility could make earnings less predictable and reduce the durability of the company’s otherwise strong bottom-line performance.

SunMax Biotechnology Co. Ltd. (4728) vs. SPDR S&P 500 ETF (SPY)

-10%-5%0%5%10%15%20%TW:4728+1.47%SPY+14.28%Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26Sep '26Oct '26Nov '26
Market Cap
TWD 21.13B
Dividend Yield
6.11%
Average Volume (3M)
13.38K
Price to Earnings (P/E)
26.0
Beta (1Y)
-0.04
Revenue Growth
12.50%
EPS Growth
16.12%
Country
TW
Employees
30
Sector
General
Sector Strength
55
Industry
Biotechnology

SunMax Biotechnology Co. Ltd. Business Overview & Revenue Model

Company Description

Established in Tainan City, Taiwan, in 2001, Sunmax Biotechnology Co., Ltd. functions as a biomedical enterprise. The company specializes in the development, manufacturing, and commercialization of collagen-based medical devices across Taiwan and mai...

SunMax Biotechnology Co. Ltd. Financial Statement Overview

Summary

SunMax combines strong growth with exceptional profitability: revenue has compounded near 19% annually to NT$2.03 billion, with a 49% operating margin and 36% net margin in 2025. The balance sheet is essentially debt-free (debt-to-equity of 0.07) with equity funding 76% of assets and return on equity holding near 44–45%. Cash generation rebounded sharply, with operating cash flow doubling to NT$826 million and free cash flow converting at about 92% of net income. Offsetting these strengths are erratic reported gross margins (83% to 40% and back to 78%), lumpy free cash flow across years, and bottom-line growth (7%) trailing revenue growth, hinting at mild margin compression.

Income Statement

84Very Positive

Balance Sheet

90Very Positive

Cash Flow

87Very Positive
Financial statement breakdown
BreakdownTTMDec 2025Dec 2024Dec 2023Dec 2022Dec 2021
Income Statement
Total Revenue2.19B2.03B1.82B1.69B1.40B1.04B
Gross Profit1.71B1.59B735.15M1.40B1.19B894.45M
EBITDA1.37B1.10B911.19M985.16M836.35M415.70M
Net Income811.53M725.75M679.40M625.71M533.83M245.64M
Balance Sheet
Total Assets2.00B2.12B1.85B2.16B1.79B1.48B
Cash, Cash Equivalents and Short-Term Investments793.19M961.59M333.22M961.79M816.67M679.34M
Total Debt108.37M119.33M60.34M169.02M70.33M109.06M
Total Liabilities570.43M505.60M337.82M732.99M468.00M460.44M
Stockholders Equity1.43B1.62B1.51B1.43B1.33B1.02B
Cash Flow
Free Cash Flow862.24M757.58M360.75M738.16M489.40M-12.14M
Operating Cash Flow959.28M825.92M397.37M848.56M644.57M243.28M
Investing Cash Flow-467.23M-239.96M308.86M-16.04M-376.62M-285.17M
Financing Cash Flow-1.32B-663.13M-604.92M-549.80M-281.21M-131.97M

SunMax Biotechnology Co. Ltd. Peers Comparison

Overall Rating

UnderperformOutperform
Sector (55)

Financial Indicators

TW:4728 against its peers
NameOverall RatingMarket CapP/E RatioROEDividend YieldRevenue GrowthEPS Growth
TW:4105TW:410579OutperformTWD 20.44B12.48―5.48%4.54%-7.38%
TW:4728TW:472876OutperformTWD 21.13B26.04―6.11%12.50%16.12%
TW:6620TW:662070OutperformTWD 20.83B66.76―1.52%――
Sector *55Neutral$6.65B3.83-15.92%6.20%10.91%7.18%
TW:4123TW:412348NeutralTWD 22.38B23.82―6.15%3.63%―
TW:4743TW:474342NeutralTWD 22.59B-102.60――14.79%84.54%

* General Sector Average

Performance Comparison

0%50%TW:4728TW:4105TW:4123TW:4743TW:6620TW:7686Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26Sep '26Oct '26Nov '26
TW:4728 and its peers over the selected period
Show on chartTickerCompany NamePriceChange% Change
TW:4728SunMax Biotechnology Co. Ltd.388.00-2.62-0.67%
TW:4105TTY Biopharm Company Limited82.107.5410.12%
TW:4123Center Laboratories, Inc.28.40-5.05-15.09%
TW:4743Oneness Biotech Co., Ltd.46.25-16.55-26.35%
TW:6620Handa Pharmaceuticals Inc136.5016.4813.73%
TW:7686A-Top Health Biotech Co., Ltd.729.00209.0040.19%
Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.

Date of analysis: Nov 09, 2026