Nyxoah SA (NYXH) Institutional Ownership

Ownership Summary

A total of 9 institutions have reported a stake in Nyxoah SA (NASDAQ:NYXH) as of December 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Nyxoah moved to 0.4% in December 2025, a shift down from the 6.7% reported for September 2025.
• The company experienced a 2.18% quarterly change in institutional shares held, alongside a decrease of 60.87% in total owners annually.
• During the quarter, 2 institutions bought more Nyxoah shares, 0 sold shares, and 7 of the 9 total investors held their position steady.
• Collectively, institutional investors increased their stake in Nyxoah to 172.59K shares as of December 2025, a change that is up by 3.68K shares quarter on quarter and down 6.60Mn shares year over year.
• Rossmore Private Capital continues to be the largest institutional holder of Nyxoah as of December 31, 2025, with a position of 132.75K shares, representing 0.30% of the company's outstanding stock.
• Among the most significant buyers of Nyxoah during December 2025 were Versant Capital Management, Inc (2.33K), UBS Group AG (1.35K).
• The top 9 institutional holders of Nyxoah for the quarter ending December 2025 included Rossmore Private Capital (132.75K), DekaBank Deutsche Girozentrale (26.20K), UBS Group AG (6.74K), GHP Investment Advisors, Inc. (2.59K), Versant Capital Management, Inc (2.33K), AdvisorNet Financial, Inc (1.00K), Fourth Dimension Wealth, LLC (790), Cheviot Value Management, LLC (200), SBI Securities Co., Ltd. (3).