PHIO (Phio Pharmaceuticals) Shares Buyback Ratio %: -142.12 (As of Aug. 16, 2026)

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PHIO Phio Pharmaceuticals Corp PHIO
28 GF Score
Price $1.09
! 2 Warning Signs
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What is Phio Pharmaceuticals Shares Buyback Ratio %?

Phio Pharmaceuticals PHIO 28 Shares Buyback Ratio % is -142.12 as of Aug. 16, 2026. GuruFocus rates PHIO with a GF Score™ of 28/100. The stock has 2 warning signs investors should review.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

GuruFocus calculates shares buyback ratio using previous shares outstanding minus the current shares outstanding, and then divides by previous shares outstanding. Phio Pharmaceuticals's current shares buyback ratio was -142.12%.

Phio Pharmaceuticals Shares Buyback Ratio % Related Terms

Phio Pharmaceuticals Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for Phio Pharmaceuticals's Shares Buyback Ratio % 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.

Phio Pharmaceuticals Shares Buyback Ratio % Chart

Phio Pharmaceuticals Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shares Buyback Ratio %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -131.48 -1.60 -227.56 -316.35 -570.73

Phio Pharmaceuticals Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shares Buyback Ratio % 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 -0.42 -20.57 -100.81 0.00 0.00
PHIO
28GF Score
Phio Pharmaceuticals Corp PHIO
Shares Buyback Ratio % is just one metric. See GF Score™, valuation, warning signs, and more.
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Phio Pharmaceuticals Shares Buyback Ratio % Calculation

Phio Pharmaceuticals's Shares Buyback Ratio for the fiscal year that ended in Dec. 2025 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Dec. 2024 ) - Shares Outstanding (EOP) (A: Dec. 2025 )) / Shares Outstanding (EOP) (A: Dec. 2024 )
=(1.732 - 11.617) / 1.732
=-570.73%

Phio Pharmaceuticals's Shares Buyback Ratio for the quarter that ended in Jun. 2026 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Mar. 2026 ) - Shares Outstanding (EOP) (A: Jun. 2026 )) / Shares Outstanding (EOP) (A: Mar. 2026 )
=(11.617 - 11.617) / 11.617
=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.

Frequently Asked Questions Learn more about Shares Buyback Ratio % →
What does a Shares Buyback Ratio % of -142.12 mean?
Phio Pharmaceuticals (PHIO) has a Shares Buyback Ratio % of -142.12 as of Aug. 16, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Phio Pharmaceuticals and its competitors.
Is Phio Pharmaceuticals' Shares Buyback Ratio % too high?
Phio Pharmaceuticals' current Shares Buyback Ratio % is -142.12. Overall, Phio Pharmaceuticals has a GF Score™ of 28/100, reflecting its overall financial health beyond just this single metric.
How does Phio Pharmaceuticals' Shares Buyback Ratio % compare to CALC and INTS?
Phio Pharmaceuticals' Shares Buyback Ratio % of -142.12 can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shares Buyback Ratio % for a Biotechnology company?
A good Shares Buyback Ratio % depends on the Biotechnology industry context. However, Shares Buyback Ratio % 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 Shares Buyback Ratio % mean?
A high Shares Buyback Ratio % can signal that a stock is expensive relative to its fundamentals. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Phio Pharmaceuticals and its competitors. Phio Pharmaceuticals's current Shares Buyback Ratio % is -142.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phio Pharmaceuticals stock overvalued right now?
Phio Pharmaceuticals (PHIO) has a current Shares Buyback Ratio % of -142.12. The current Shares Buyback Ratio % is -142.12. Phio Pharmaceuticals' overall GF Score™ is 28/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Buyback Ratio % calculated?
Shares Buyback Ratio % is calculated from a company's financial statements. For Phio Pharmaceuticals (PHIO), the current Shares Buyback Ratio % is -142.12 as of Aug. 16, 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.

Phio Pharmaceuticals Business Description

Address 411 Swedeland Road, Suite 23-1080, King of Prussia, PA, USA, 19406
Phio Pharmaceuticals Corp is a clinical-stage biopharmaceutical company whose proprietary INTASYL small-interfering RNA gene silencing technology is designed to make immune cells more effective in killing tumor cells. Its pipeline programs are PH-762 and PH-894. The group is developing therapeutics that are designed to leverage INTASYL to precisely target specific proteins that reduce the body's ability to fight cancer, without the need for specialized formulations or drug delivery systems. It is committed to discovering and developing cancer treatments for patients by creating new pathways toward a cancer-free future. The Company operates with a single operating segment, the Clinical segment, and all assets are located in the United States.
28GF Score

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

$1.09
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