Mycenax Biotech (ROCO:4726) Buyback Yield %: -0.11 (As of Jul. 28, 2026)

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ROCO:4726 Mycenax Biotech Inc ROCO:4726
43 GF Score
Price NT$24.95
GF Value NT$48.29
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is Mycenax Biotech Buyback Yield %?

Mycenax Biotech ROCO:4726 43 Buyback Yield % is -0.11 as of Jul. 28, 2026. GuruFocus rates ROCO:4726 with a GF Score™ of 43/100 and a GF Value™ of NT$48.29 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 736 Biotechnology companies, Mycenax Biotech ranks better than 80.98% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Mycenax Biotech's current buyback yield was -0.11%.


Mycenax Biotech Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Mycenax Biotech's Buyback Yield % 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.

Mycenax Biotech Buyback Yield % Chart

Mycenax Biotech Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -13.13 -21.39 -0.23 -0.40 -0.08

Mycenax Biotech Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Buyback Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -0.40 -0.44 -0.31 -0.17 -0.08

ROCO:4726 vs VRTX, REGN, RVMD: Buyback Yield % Comparison

For the Biotechnology subindustry, Mycenax Biotech's Buyback Yield %, along with its competitors' market caps and Buyback Yield % 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.


Mycenax Biotech Buyback Yield % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Mycenax Biotech's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Mycenax Biotech's Buyback Yield % falls into.


ROCO:4726
43GF Score
Mycenax Biotech Inc ROCO:4726
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Mycenax Biotech Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Mycenax Biotech's Buyback Yield for the fiscal year that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (0 + 5.431) / 6548.5312
=-0.08%

Mycenax Biotech's annualized Buyback Yield for the quarter that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (0 + 5.431) / 6548.5312
=-0.08%

* 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.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of -0.11 mean?
Mycenax Biotech (ROCO:4726) has a Buyback Yield % of -0.11 as of Jul. 28, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Mycenax Biotech and its competitors. According to the industry distribution chart, Mycenax Biotech ranks #140 out of 736 companies in the Biotechnology industry, placing it in the top 19%.
Is Mycenax Biotech's Buyback Yield % too high?
Mycenax Biotech's current Buyback Yield % is -0.11. Based on the distribution chart, Mycenax Biotech ranks #140 out of 736 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, Mycenax Biotech has a GF Score™ of 43/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Mycenax Biotech's Buyback Yield % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Mycenax Biotech ranks #140 out of 736 companies for Buyback Yield %. This places Mycenax Biotech in the top 19% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Biotechnology company?
A good Buyback Yield % depends on the Biotechnology industry context. However, Buyback Yield % 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 Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Mycenax Biotech and its competitors. Mycenax Biotech's current Buyback Yield % is -0.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mycenax Biotech stock overvalued right now?
Based on GuruFocus' analysis, Mycenax Biotech (ROCO:4726) is currently considered Possible Value Trap. The stock's GF Value™ is NT$48.29, compared to a current price of NT$24.95 — trading 48.3% below its estimated fair value. The current Buyback Yield % is -0.11. Mycenax Biotech's overall GF Score™ is 43/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Mycenax Biotech (ROCO:4726), the current Buyback Yield % is -0.11 as of Jul. 28, 2026. 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.

Is Mycenax Biotech (ROCO:4726) Overvalued in 2026?

Based on GuruFocus' analysis, Mycenax Biotech stock appears to be undervalued. The current stock price of NT$24.95 is trading 48.3% below its estimated GF Value™ of NT$48.29. GuruFocus considers Mycenax Biotech to be Possible Value Trap.

Key valuation signals for ROCO:4726:

  • Buyback Yield %: -0.11
  • GF Value™: NT$48.29 vs. price of NT$24.95 (48.3% below fair value)
  • GF Score™: 43/100 with 3 warning signs

No single metric tells the full story. See the ROCO:4726 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Mycenax Biotech Business Description

Address No. 66, Shengyi 2nd Road, 7th Floor, Hsinchu Science Park, Hsinchu County, Zhubei, TWN, 302041
Mycenax Biotech Inc is a Taiwan-based biopharmaceutical company. It is engaged in the development and manufacture of biopharmaceutical products, specializing in mammalian and microbial cell-derived biologics. The company provides services for program evaluation/confirmation, cell line development, and construction, process development technology platforms, drug characterization analysis, the establishment of testing methods, and drug production in accordance with PIC/S GMP manufacturing standards. The company's main operating region is located in Taiwan.
43GF Score

Get the complete analysis for ROCO:4726

Buyback Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$24.95
Price
NT$48.29
GF Value