PKTX (ProtoKinetix) Buyback Yield %: -9.13 (As of Jul. 14, 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.

What is ProtoKinetix Buyback Yield %?

ProtoKinetix PKTX Buyback Yield % is -9.13 as of Jul. 14, 2026. The stock has 1 warning sign investors should review. Among 742 Biotechnology companies, ProtoKinetix ranks worse than 51.08% 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.

ProtoKinetix's current buyback yield was -9.13%.

ProtoKinetix Buyback Yield % Historical Data

* Premium members only.

The historical data trend for ProtoKinetix'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.

ProtoKinetix Buyback Yield % Chart

ProtoKinetix Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -2.71 -2.84 -10.54 -6.54 -6.88

ProtoKinetix Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25
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 -8.30 -6.88 -7.25 -7.92 -10.16

PKTX vs BBLG, VRAX, AAGH: Buyback Yield % Comparison

For the Biotechnology subindustry, ProtoKinetix'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.

ProtoKinetix Buyback Yield % vs Biotechnology Industry

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

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


ProtoKinetix Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

ProtoKinetix's Buyback Yield for the fiscal year that ended in Dec. 2024 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (0 + 0.256) / 3.7188
=-6.88%

ProtoKinetix's annualized Buyback Yield for the quarter that ended in Sep. 2025 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (0 + 0.218) / 2.14544
=-10.16%

* 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 -9.13 mean?
ProtoKinetix (PKTX) has a Buyback Yield % of -9.13 as of Jul. 14, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on ProtoKinetix and its competitors. According to the industry distribution chart, ProtoKinetix ranks #379 out of 742 companies in the Biotechnology industry, placing it in the top 51.1%.
Is ProtoKinetix's Buyback Yield % too high?
ProtoKinetix's current Buyback Yield % is -9.13. Based on the distribution chart, ProtoKinetix ranks #379 out of 742 companies in the Biotechnology industry, which is below the industry midpoint.
How does ProtoKinetix's Buyback Yield % compare to BBLG and VRAX?
According to the Biotechnology industry distribution chart, ProtoKinetix ranks #379 out of 742 companies for Buyback Yield %. This places ProtoKinetix 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 ProtoKinetix and its competitors. ProtoKinetix's current Buyback Yield % is -9.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ProtoKinetix stock overvalued right now?
ProtoKinetix (PKTX) has a current Buyback Yield % of -9.13. The current Buyback Yield % is -9.13. 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 ProtoKinetix (PKTX), the current Buyback Yield % is -9.13 as of Jul. 14, 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.

ProtoKinetix Business Description

Address 109 W Main Street, Dalton, OH, USA, 44618
ProtoKinetix Inc is a research and development stage biotechnology company focused on scientific medical research of AFGPs (Anti-Freeze Glycoproteins). The AFGP is a compound produced by fish, insects, reptiles, bacteria, and plants that enable survival in freezing temperatures. The company also develops AFGP applications which include regenerative medicine issues including harvesting, processing, storage, and transplanting cells, tissues, and organs and treatments for chronic inflammatory conditions and diseases caused by stress factors, including UV radiation, oxidation, and cryopreservation and hydrogen peroxide.