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Sight SciencesSGHT -0.12%64 3-Year Share Buyback Ratio is -3.50 as of Jun. 2026. GuruFocus rates SGHT with a GF Score™ of 64/100 and a GF Value™ of $4.64 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 612 Medical Devices & Instruments companies, Sight Sciences ranks worse than 54.25% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Sight Sciences's current 3-Year Share Buyback Ratio was -3.50%.
The historical rank and industry rank for Sight Sciences's 3-Year Share Buyback Ratio or its related term are showing as below:
SGHT'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -5.2 Med: -4 Max: -2.4
Current: -3.5
During the past 8 years, Sight Sciences's highest 3-Year Share Buyback Ratio was -2.40%. The lowest was -5.20%. And the median was -4.00%.
SGHT's 3-Year Share Buyback Ratio is ranked worse than 54.25% of 612
companies
in the Medical Devices & Instruments industry
Industry Median: -2.6
vs SGHT: -3.50
Sight Sciences (NAS:SGHT) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Sight Sciences 3-Year Share Buyback Ratio Related Terms
SGHT vs TMCI, TLSI, SENS: 3-Year Share Buyback Ratio Comparison
For the Medical Devices subindustry, Sight Sciences's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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.
Sight Sciences 3-Year Share Buyback Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Sight Sciences's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Sight Sciences's 3-Year Share Buyback Ratio falls into.
Sight Sciences 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of -3.50 mean?
Sight Sciences (SGHT) has a 3-Year Share Buyback Ratio of -3.50 as of Jun. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Sight Sciences and its competitors. According to the industry distribution chart, Sight Sciences ranks #332 out of 612 companies in the Medical Devices & Instruments industry, placing it in the top 54.2%.
Is Sight Sciences' 3-Year Share Buyback Ratio too high?
Sight Sciences' current 3-Year Share Buyback Ratio is -3.50. Based on the distribution chart, Sight Sciences ranks #332 out of 612 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Sight Sciences has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sight Sciences' 3-Year Share Buyback Ratio compare to TMCI and TLSI?
According to the Medical Devices & Instruments industry distribution chart, Sight Sciences ranks #332 out of 612 companies for 3-Year Share Buyback Ratio. This places Sight Sciences 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 3-Year Share Buyback Ratio for a Medical Devices & Instruments company?
A good 3-Year Share Buyback Ratio depends on the Medical Devices & Instruments industry context. However, 3-Year Share 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 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Sight Sciences and its competitors. Sight Sciences's current 3-Year Share Buyback Ratio is -3.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sight Sciences stock overvalued right now?
Based on GuruFocus' analysis, Sight Sciences (SGHT) is currently considered Significantly Overvalued. The stock's GF Value™ is $4.64, compared to a current price of $8.25 — trading 77.8% above its estimated fair value. The current 3-Year Share Buyback Ratio is -3.50. Sight Sciences' overall GF Score™ is 64/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Sight Sciences (SGHT), the current 3-Year Share Buyback Ratio is -3.50 as of Jun. 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 Sight Sciences (SGHT) Overvalued in 2026?
Based on GuruFocus' analysis, Sight Sciences stock appears to be overvalued.
The current stock price of $8.25 is trading 77.8% above its estimated GF Value™ of $4.64.
GuruFocus considers Sight Sciences to be Significantly Overvalued.
Key valuation signals for SGHT:
3-Year Share Buyback Ratio: -3.50
GF Value™: $4.64 vs. price of $8.25 (77.8% above fair value)
No single metric tells the full story. See the SGHT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sight Sciences Inc is an ophthalmic medical device company focused on the development and commercialization of surgical and nonsurgical technologies for the treatment of prevalent eye diseases. The company operates through two segments: Interventional Glaucoma, which generates the majority of revenue and includes the OMNI Surgical System family of products and the SION Surgical Instrument used in minimally invasive glaucoma surgery to reduce intraocular pressure in adult patients with open-angle glaucoma; and Interventional Dry Eye, which includes the TearCare System, an interventional device designed to melt and facilitate the removal of meibomian gland obstructions and restore gland functionality in adult patients with evaporative dry eye disease.
64GF Score
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