Medigen Vaccine Biologics (ROCO:6547) Buyback Yield %: 0.00 (As of Jul. 22, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:6547 Medigen Vaccine Biologics Corp ROCO:6547
68 GF Score
Price NT$46.65
GF Value NT$71.19
Valuation Possible Value Trap
! 2 Warning Signs
View Full Analysis

What is Medigen Vaccine Biologics Buyback Yield %?

Medigen Vaccine Biologics ROCO:6547 -0.74% 68 Buyback Yield % is 0.00 as of Jul. 22, 2026. GuruFocus rates ROCO:6547 with a GF Score™ of 68/100 and a GF Value™ of NT$71.19 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 740 Biotechnology companies, Medigen Vaccine Biologics ranks worse than 135135% 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.

Medigen Vaccine Biologics's current buyback yield was 0.00%.


Medigen Vaccine Biologics Buyback Yield % Related Terms


Medigen Vaccine Biologics Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Medigen Vaccine Biologics'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.

Medigen Vaccine Biologics Buyback Yield % Chart

Medigen Vaccine Biologics 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 -0.09 -6.93 -0.06 -0.03 0.00

Medigen Vaccine Biologics 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 -0.03 -0.01 -0.01 0.00 0.00

ROCO:6547 vs VRTX, REGN, ALNY: Buyback Yield % Comparison

For the Biotechnology subindustry, Medigen Vaccine Biologics'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.


Medigen Vaccine Biologics Buyback Yield % vs Biotechnology Industry

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

* The bar in red indicates where Medigen Vaccine Biologics's Buyback Yield % falls into.


ROCO:6547
68GF Score
Medigen Vaccine Biologics Corp ROCO:6547
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Medigen Vaccine Biologics Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Medigen Vaccine Biologics'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 + 0) / 12410.27475
=0.00%

Medigen Vaccine Biologics'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 + 0) / 12410.27475
=0.00%

* 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 0.00 mean?
Medigen Vaccine Biologics (ROCO:6547) has a Buyback Yield % of 0.00 as of Jul. 22, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Medigen Vaccine Biologics and its competitors. According to the industry distribution chart, Medigen Vaccine Biologics ranks #999999 out of 740 companies in the Biotechnology industry.
Is Medigen Vaccine Biologics' Buyback Yield % too high?
Medigen Vaccine Biologics' current Buyback Yield % is 0.00. Based on the distribution chart, Medigen Vaccine Biologics ranks #999999 out of 740 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Medigen Vaccine Biologics has a GF Score™ of 68/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Medigen Vaccine Biologics' Buyback Yield % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Medigen Vaccine Biologics ranks #999999 out of 740 companies for Buyback Yield %. This places Medigen Vaccine Biologics in the lower half of its industry. 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 Medigen Vaccine Biologics and its competitors. Medigen Vaccine Biologics's current Buyback Yield % is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Medigen Vaccine Biologics stock overvalued right now?
Based on GuruFocus' analysis, Medigen Vaccine Biologics (ROCO:6547) is currently considered Possible Value Trap. The stock's GF Value™ is NT$71.19, compared to a current price of NT$46.65 — trading 34.5% below its estimated fair value. The current Buyback Yield % is 0.00. Medigen Vaccine Biologics' overall GF Score™ is 68/100 with 2 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 Medigen Vaccine Biologics (ROCO:6547), the current Buyback Yield % is 0.00 as of Jul. 22, 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 Medigen Vaccine Biologics (ROCO:6547) Overvalued in 2026?

Based on GuruFocus' analysis, Medigen Vaccine Biologics stock appears to be undervalued. The current stock price of NT$46.65 is trading 34.5% below its estimated GF Value™ of NT$71.19. GuruFocus considers Medigen Vaccine Biologics to be Possible Value Trap.

Key valuation signals for ROCO:6547:

  • Buyback Yield %: 0.00
  • GF Value™: NT$71.19 vs. price of NT$46.65 (34.5% below fair value)
  • GF Score™: 68/100 with 2 warning signs

No single metric tells the full story. See the ROCO:6547 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Medigen Vaccine Biologics Business Description

Address 302 No. 68, Shengyi 3rd Road, Hsinchu County, Zhubei, TWN, 30261
Medigen Vaccine Biologics Corp is engaged in the research, development and wholesale of vaccine and biopharmaceutical, medical devices wholesale and retail, etc. Its products include dengue vaccine, anti-RSV biosimilars, COVID-19 vaccines, enterovirus A71 vaccine, and influenza vaccine QIZ. It operates business only in a single industry in Taiwan.
68GF Score

Get the complete analysis for ROCO:6547

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

NT$46.65
Price
NT$71.19
GF Value