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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.
ACM ResearchACMR -1.95%85 1-Year Share Buyback Ratio is -8.60 as of Jun. 2026. GuruFocus rates ACMR with a GF Score™ of 85/100 and a GF Value™ of $37.33 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 597 Semiconductors companies, ACM Research ranks worse than 70.85% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance. ACM Research's current 1-Year Share Buyback Ratio was -8.60%.
ACMR's 1-Year Share Buyback Ratio is ranked worse than 70.85% of 597
companies
in the Semiconductors industry
Industry Median: -1.7
vs ACMR: -8.60
ACM Research (NAS:ACMR) 1-Year Share Buyback Ratio Explanation
A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance.
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.
ACM Research 1-Year Share Buyback Ratio Related Terms
ACMR vs KLIC, CAMT, AXTI: 1-Year Share Buyback Ratio Comparison
For the Semiconductor Equipment & Materials subindustry, ACM Research's 1-Year Share Buyback Ratio, along with its competitors' market caps and 1-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.
ACM Research 1-Year Share Buyback Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, ACM Research's 1-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where ACM Research's 1-Year Share Buyback Ratio falls into.
* 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.
What does a 1-Year Share Buyback Ratio of -8.60 mean?
ACM Research (ACMR) has a 1-Year Share Buyback Ratio of -8.60 as of Jun. 2026. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for ACM Research and its competitors. According to the industry distribution chart, ACM Research ranks #423 out of 597 companies in the Semiconductors industry, placing it in the top 70.9%.
Is ACM Research's 1-Year Share Buyback Ratio too high?
ACM Research's current 1-Year Share Buyback Ratio is -8.60. Based on the distribution chart, ACM Research ranks #423 out of 597 companies in the Semiconductors industry, which is below the industry midpoint. Overall, ACM Research has a GF Score™ of 85/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ACM Research's 1-Year Share Buyback Ratio compare to KLIC and CAMT?
According to the Semiconductors industry distribution chart, ACM Research ranks #423 out of 597 companies for 1-Year Share Buyback Ratio. This places ACM Research 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 1-Year Share Buyback Ratio for a Semiconductors company?
A good 1-Year Share Buyback Ratio depends on the Semiconductors industry context. However, 1-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 1-Year Share Buyback Ratio mean?
A high 1-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for ACM Research and its competitors. ACM Research's current 1-Year Share Buyback Ratio is -8.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ACM Research stock overvalued right now?
Based on GuruFocus' analysis, ACM Research (ACMR) is currently considered Significantly Overvalued. The stock's GF Value™ is $37.33, compared to a current price of $72.39 — trading 93.9% above its estimated fair value. The current 1-Year Share Buyback Ratio is -8.60. ACM Research's overall GF Score™ is 85/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 1-Year Share Buyback Ratio calculated?
1-Year Share Buyback Ratio is calculated from a company's financial statements. For ACM Research (ACMR), the current 1-Year Share Buyback Ratio is -8.60 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 ACM Research (ACMR) Overvalued in 2026?
Based on GuruFocus' analysis, ACM Research stock appears to be overvalued.
The current stock price of $72.39 is trading 93.9% above its estimated GF Value™ of $37.33.
GuruFocus considers ACM Research to be Significantly Overvalued.
Key valuation signals for ACMR:
1-Year Share Buyback Ratio: -8.60
GF Value™: $37.33 vs. price of $72.39 (93.9% above fair value)
No single metric tells the full story. See the ACMR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ACM Research Inc supplies capital equipment developed for the semiconductor industry. The company focuses on developing differentiated process solutions that enable effective particle removal, uniform material deposition, and reliable process control for the fabricators of integrated circuits. Its product offerings include wet-cleaning, plating, furnace, PECVD, track, and other front-end processing equipment. Additionally, it develops, manufactures, and sells a range of packaging equipment to wafer assembly and packaging customers. Geographically, the company generates maximum revenue from its customers in Mainland China, and the rest from other regions.
85GF Score
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1-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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