Donaldson Company, Inc. (DCI) is one of the most influential global manufacturers specializing in the filtration systems sector. Founded in 1915 by Frank Donaldson, the company's history spans over a century with its roots in Minneapolis, Minnesota, USA. As of now, this renowned company has a record of operating successfully in over 140 countries, showcasing a distinctive brand that upholds quality, durability, and innovation.
The main offerings by Donaldson Co. Inc. consist of advanced filtration solutions for an array of industries that include the aerospace, defense, industrial and engine markets. Providing filtration solutions for both dust and fumes, the company caters to a vast range of customer needs, from heavy duty air filters for industrial machinery and equipment to sophisticated filtration systems for the semiconductor industry.
The product line of Donaldson Co. Inc. includes cutting-edge technology-based air and liquid filters, exhaust and emissions systems, membranes, and parts. The one quintessential trait that sets Donaldson Co. Inc. apart from others in the industry is their relentless pursuit of innovation and the ability to cater to specific customer requirements. Donaldson’s pioneering initiatives in developing patented technologies to solve complex filtration problems in harsh operating conditions have earned them a significant position in the market.
While pushing the boundaries of industrial technology, Donaldson Co. Inc. also remains committed to sustainability and responsible business practices. The company is certified as a Responsible Business Alliance (RBA) member and is pledged to the United Nations' Global Compact initiative, emphasizing the company's dedication towards upholding ethical principles for human rights, labor, the environment, and anti-corruption.
Donaldson Co. Inc. is also traded publicly on the New York Stock Exchange (NYSE) under the ticker symbol DCI. Financially, the company has consistently shown stability and growth, even in challenging market conditions on a global scale.
In summary, Donaldson Company, Inc. exemplifies an organization that has consistently led the filtration industry by providing innovative solutions, promoting sustainable practices, and upholding a strong customer-first approach. Despite a rapidly evolving technological landscape and economic fluctuations, the company has remained steady, showcasing its durability and reliability in the global market.
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Avity Investment Management Inc. has acquired 125,498 shares of Donaldson Company, Inc. (NYSE:DCI) for approximately $10.9 million, representing 0.11% of the company. Institutional investors now collectively own 82.81% of Donaldson, which recently exceeded quarterly earnings and revenue expectations. Analysts currently rate Donaldson as a "Moderate Buy" with an average price target of $101.67, significantly above its current trading price.

Donaldson Co Inc (DCI) shares recently dropped 3.2%, but the stock is still considered slightly overvalued based on its GF Value™ estimate of $84.72 against a current price of $87.26. Despite a strong GF Score™ of 92/100 indicating robust financial health and growth, concerns are raised by the valuation rank and significant insider selling without any buying activity. Investors are advised to be cautious due to the limited margin of safety and potential overvaluation.

Donaldson Co Director Christopher M. Hilger purchased 402 shares of common stock on October 2, 2026, at $88.65 per share. This transaction increased his direct beneficial ownership to 16,692 shares. The filing was made on October 5, 2026, by Amy C. Becker, acting as Attorney-in-Fact for Hilger.