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Northrop GrummanNOC -0.32%84 3-Year Share Buyback Ratio is 2.50 as of Jun. 2026, which is 67% above its 10-year median of 1.50. GuruFocus rates NOC with a GF Score™ of 84/100 and a GF Value™ of $563.10 (Fairly Valued). The stock has 2 warning signs investors should review. Among 227 Aerospace & Defense companies, Northrop Grumman ranks better than 95.59% 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. Northrop Grumman's current 3-Year Share Buyback Ratio was 2.50%.
The historical rank and industry rank for Northrop Grumman's 3-Year Share Buyback Ratio or its related term are showing as below:
NOC'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -37.8 Med: 1.5 Max: 9.2
Current: 2.5
During the past 13 years, Northrop Grumman's highest 3-Year Share Buyback Ratio was 9.20%. The lowest was -37.80%. And the median was 1.50%.
NOC's 3-Year Share Buyback Ratio is ranked better than 95.59% of 227
companies
in the Aerospace & Defense industry
Industry Median: -3.6
vs NOC: 2.50
Northrop Grumman (NYSE:NOC) 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.
Northrop Grumman 3-Year Share Buyback Ratio Related Terms
NOC vs TDG, HONA, LHX: 3-Year Share Buyback Ratio Comparison
For the Aerospace & Defense subindustry, Northrop Grumman'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.
Northrop Grumman 3-Year Share Buyback Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Northrop Grumman's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Northrop Grumman's 3-Year Share Buyback Ratio falls into.
Northrop Grumman 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 2.50 mean?
Northrop Grumman (NOC) has a 3-Year Share Buyback Ratio of 2.50 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 Northrop Grumman and its competitors. This is 67% above median its historical median of 1.50. According to the industry distribution chart, Northrop Grumman ranks #10 out of 227 companies in the Aerospace & Defense industry, placing it in the top 4.4%.
Is Northrop Grumman's 3-Year Share Buyback Ratio too high?
Northrop Grumman's current 3-Year Share Buyback Ratio of 2.50 is 67% above median its 10-year median of 1.50. Based on the distribution chart, Northrop Grumman ranks #10 out of 227 companies in the Aerospace & Defense industry, which is in the top quartile — a strong position relative to peers. Overall, Northrop Grumman has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Northrop Grumman's 3-Year Share Buyback Ratio compare to TDG and HONA?
According to the Aerospace & Defense industry distribution chart, Northrop Grumman ranks #10 out of 227 companies for 3-Year Share Buyback Ratio. This places Northrop Grumman in the top 4% 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 3-Year Share Buyback Ratio for an Aerospace & Defense company?
A good 3-Year Share Buyback Ratio depends on the Aerospace & Defense 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 Northrop Grumman and its competitors. Northrop Grumman's current 3-Year Share Buyback Ratio is 2.50, which is 67% above median its own 10-year median of 1.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Northrop Grumman stock overvalued right now?
Based on GuruFocus' analysis, Northrop Grumman (NOC) is currently considered Fairly Valued. The stock's GF Value™ is $563.10, compared to a current price of $549.28 — trading 2.5% below its estimated fair value. The current 3-Year Share Buyback Ratio is 2.50, which is 67% above median its 10-year median of 1.50. Northrop Grumman's overall GF Score™ is 84/100 with 2 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 Northrop Grumman (NOC), the current 3-Year Share Buyback Ratio is 2.50 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 Northrop Grumman (NOC) Overvalued in 2026?
Based on GuruFocus' analysis, Northrop Grumman stock appears to be undervalued.
The current stock price of $549.28 is trading 2.5% below its estimated GF Value™ of $563.10.
GuruFocus considers Northrop Grumman to be Fairly Valued.
Key valuation signals for NOC:
3-Year Share Buyback Ratio: 2.50 (67% above median its 10-year median of 1.50)
GF Value™: $563.10 vs. price of $549.28 (2.5% below fair value)
No single metric tells the full story. See the NOC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems. The company's aerospace segment produces autonomous and piloted aircraft such as Global Hawk drones and the new B-21 bomber, creates the fuselage for the massive F-35 program, and maintains and upgrades numerous other military aircraft. Defense systems makes artillery and missile ammunition and guidance systems, long-range missiles, and missile defense systems. Mission systems creates and integrates a variety of radar, navigation, and communication systems for avionics, weapons control, and countermeasures on a range of platforms from helicopters to destroyers. Space systems produces satellites, sensors, space structures, and rocket motors.
84GF Score
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