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San Ramon Today
By the People, for the People
Assenagon Asset Management Boosts Stake in Cooper Companies
Investment firm increases holding in medical device company by over 4,300%
Mar. 27, 2026 at 7:22am
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Assenagon Asset Management S.A. significantly increased its position in The Cooper Companies, Inc. (NASDAQ:COO), a medical device company, during the fourth quarter. The firm now owns 271,305 shares, up from just 6,107 shares previously, representing a 4,342.5% increase in its stake.
Why it matters
The large increase in Assenagon's position in Cooper Companies suggests the investment firm sees significant potential in the medical device company. Cooper Companies is a major provider of vision care and women's health products, operating through its CooperVision and CooperSurgical segments.
The details
According to a recent SEC filing, Assenagon Asset Management S.A. boosted its holding in Cooper Companies by buying an additional 265,198 shares during the fourth quarter. This increased the firm's total position to 271,305 shares, or 0.14% ownership of the company. Cooper Companies is a global medical device company headquartered in San Ramon, California.
- Assenagon Asset Management increased its Cooper Companies stake during the 4th quarter of 2025.
The players
Assenagon Asset Management S.A.
An investment management firm that significantly increased its position in The Cooper Companies, Inc.
The Cooper Companies, Inc.
A global medical device company that operates through its CooperVision and CooperSurgical segments, providing vision care and women's health products.
The takeaway
Assenagon's large increase in its Cooper Companies stake suggests the investment firm sees strong growth potential in the medical device company, which has a diverse portfolio of vision care and women's health products.


