Nyxoah SA (NYXH) Institutional Ownership

Ownership Summary

A total of 31 institutions have reported a stake in Nyxoah SA (NASDAQ:NYXH) as of December 2025, according to recent 13F filings with the SEC.

• The percentage of Nyxoah owned by institutions changed from 6.7% in September 2025 to 8.3% in December 2025, marking a slight up trend.
• The company experienced a 35.17% quarterly change in institutional shares held, alongside an increase of 34.78% in total owners annually.
• During the quarter, 7 institutions bought more Nyxoah shares, 10 sold shares, and 14 of the 31 total investors held their position steady.
• The aggregate institutional position in Nyxoah now stands at 3.65Mn shares as of December 2025, after investors increased their holdings (up by 948.64K shares quarter on quarter which is down 3.13Mn shares year over year).
• The top institutional stake in Nyxoah as of December 31, 2025 belongs to Vestal Point Capital, LP, which owns 1.11Mn shares, or 2.52% of the company.
• Among the most significant buyers of Nyxoah during December 2025 were HEIGHTS CAPITAL MANAGEMENT, INC (777.19K), BNP Paribas Asset Management Holding S.A. (493.22K), CITADEL ADVISORS LLC (14.10K), DEUTSCHE BANK AG\ (10.00K), BARCLAYS PLC (3.10K).
• Leading sellers of Nyxoah stock in December 2025 included BlackRock, Inc. (160.85K), FRANKLIN RESOURCES INC (74.70K), MILLENNIUM MANAGEMENT LLC (48.35K), Kovack Advisors, Inc. (34.25K), Federation des caisses Desjardins du Quebec (26.70K).
• The top 10 institutional holders of Nyxoah for the quarter ending December 2025 included Vestal Point Capital, LP (1.11Mn), HEIGHTS CAPITAL MANAGEMENT, INC (777.19K), BlackRock, Inc. (582.55K), BNP Paribas Asset Management Holding S.A. (493.22K), Rossmore Private Capital (132.75K), FRANKLIN RESOURCES INC (125.95K), Kovack Advisors, Inc. (62.79K), Sio Capital Management, LLC (50.84K), MILLENNIUM MANAGEMENT LLC (48.06K), LPL Financial LLC (35.86K).