Who owns Nyxoah SA?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of NYXH from SEC Form 13F filings across 45 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 45 institutions disclosed 22.1M shares of Nyxoah SA worth $37.5M — about 38.8% of shares outstanding; the largest disclosed holder is AIGH Capital Management LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
45
13F holders
$37.5M
value, 2026 filers
38.8%
of shares outstanding (22.1M sh)
20
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of NYXH's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLCNEW | 14.5M | $24.6M | 1.5% | 25.5% | new |
| 2 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 962,524 | $1.7M | 0.0% | 1.7% | +27.6% |
| 3 | Blackstone Inc.NEW | 921,500 | $1.6M | 0.0% | 1.6% | new |
| 4 | Axxion S.A.NEW | 904,895 | $1.6M | 0.1% | 1.6% | new |
| 5 | Vestal Point Capital, LP | 843,461 | $1.4M | 0.0% | 1.5% | -2.9% |
| 6 | HEIGHTS CAPITAL MANAGEMENT, INC | 828,803 | $1.4M | 0.3% | 1.5% | +168.7% |
| 7 | Hudson Bay Capital Management LPNEW | 717,982 | $1.2M | 0.0% | 1.3% | new |
| 8 | Pentwater Capital Management LPNEW | 600,000 | $1.0M | 0.0% | 1.1% | new |
| 9 | ANDERA PARTNERS | 522,057 | $882,276 | 0.4% | 0.9% | 0.0% |
| 10 | READYSTATE ASSET MANAGEMENT LPNEW | 207,471 | $350,626 | 0.0% | 0.4% | new |
| 11 | Rossmore Private Capital | 132,746 | $229,454 | 0.0% | 0.2% | 0.0% |
| 12 | BlackRock, Inc. | 121,207 | $204,840 | 0.0% | 0.2% | -76.2% |
| 13 | IFP Advisors, Inc | 118,426 | $200,140 | 0.0% | 0.2% | +35.6% |
| 14 | Integrated Wealth Concepts LLCNEW | 100,000 | $169,000 | 0.0% | 0.2% | new |
| 15 | CITADEL ADVISORS LLCNEW | 80,195 | $135,530 | 0.0% | 0.1% | new |
| 16 | Ikarian Capital, LLC | 47,358 | $80,035 | 0.0% | 0.1% | 0.0% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 44,802 | $75,715 | 0.0% | 0.1% | +111.5% |
| 18 | JANE STREET GROUP, LLCNEW | 43,544 | $75,208 | 0.0% | 0.1% | new |
| 19 | LPL Financial LLC | 36,261 | $61,281 | 0.0% | 0.1% | 0.0% |
| 20 | UBS Group AGNEW | 35,649 | $60,247 | 0.0% | 0.1% | new |
| 21 | DEUTSCHE BANK AG\ | 35,000 | $59,150 | 0.0% | 0.1% | 0.0% |
| 22 | RENAISSANCE TECHNOLOGIES LLCNEW | 33,480 | $56,581 | 0.0% | 0.1% | new |
| 23 | XTX Topco Ltd | 31,641 | $53,473 | 0.0% | 0.1% | +11.6% |
| 24 | AlphaCore Capital LLCNEW | 30,306 | $51,217 | 0.0% | 0.1% | new |
| 25 | Elk River Wealth Management LLCNEW | 30,306 | $51,217 | 0.0% | 0.1% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.