Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in NYXH held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Vestal Point Capital, LP | 869K | $2.5M | -21.5% | 2.326% | 0.07% |
| 2 | BNP Paribas Asset Management Holding S.A. | 754K | $2.1M | +52.9% | 2.020% | 0.00% |
| 3 | Andera Partners | 522K | $1.5M | β | 1.398% | 0.86% |
| 4 | BlackRock, Inc. | 509K | $1.5M | -12.7% | 1.362% | 0.00% |
| 5 | HEIGHTS CAPITAL MANAGEMENT, INC | 308K | $901K | -60.3% | 0.826% | 0.25% |
| 6 | Rossmore Private Capital | 133K | $374K | 0.0% | 0.355% | 0.03% |
| 7 | IFP Advisors, Inc | 87K | $255K | β | 0.234% | 0.01% |
| 8 | Sio Capital Management, LLC | 51K | $148K | 0.0% | 0.136% | 0.02% |
| 9 | Ikarian Capital, LLC | 47K | $138K | 0.0% | 0.127% | 0.01% |
| 10 | LPL Financial LLC | 36K | $106K | +1.1% | 0.097% | 0.00% |
| 11 | DEUTSCHE BANK AG\ | 35K | $102K | 0.0% | 0.094% | 0.00% |
| 12 | MILLENNIUM MANAGEMENT LLC | 31K | $90K | -35.9% | 0.083% | 0.00% |
| 13 | XTX Topco Ltd | 28K | $83K | β | 0.076% | 0.00% |
| 14 | Federation des caisses Desjardins du Quebec | 23K | $68K | 0.0% | 0.062% | 0.00% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 21K | $62K | +13.9% | 0.057% | 0.00% |
| 16 | Walleye Capital LLC | 17K | $51K | 0.0% | 0.046% | 0.00% |
| 17 | Invst, LLC | 16K | $47K | -0.1% | 0.043% | 0.01% |
| 18 | BANK OF AMERICA CORP /DE/ | 15K | $45K | -21.7% | 0.041% | 0.00% |
| 19 | Box Hill Private Wealth LLC | 15K | $44K | β | 0.041% | 0.04% |
| 20 | BOOTHBAY FUND MANAGEMENT, LLC | 11K | $34K | 0.0% | 0.031% | 0.00% |
| 21 | BARCLAYS PLC | 11K | $33K | +261.2% | 0.030% | 0.00% |
| 22 | COMMONWEALTH EQUITY SERVICES, LLC | 10K | $30K | β | 0.028% | 0.00% |
| 23 | ADVISOR GROUP HOLDINGS, INC. | 7K | $19K | 0.0% | 0.018% | 0.00% |
| 24 | MORGAN STANLEY | 3K | $10K | +135.8% | 0.009% | 0.00% |
| 25 | GHP Investment Advisors, Inc. | 3K | $8K | 0.0% | 0.007% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in NYXH β a direct measure of their conviction.
Filings activity in NYXH during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 33 | +0.0% | 19.92% | 8.38 pp | $10M | 30% |
| Q4 2025 | 33 | +3.1% | 28.30% | +2.45 pp | $15M | +9.5% |
| Q3 2025 | 32 | +6.7% | 25.85% | 29.65 pp | $13M | 53% |
| Q2 2025 | 30 | +11% | 55.50% | 24.63 pp | $29M | 31% |
| Q1 2025 | 27 | +17% | 80.13% | 24.36 pp | $42M | 23% |
| Q4 2024 | 23 | +9.5% | 104.49% | +29.55 pp | $54M | +39% |
| Q3 2024 | 21 | 4.5% | 74.94% | +18.68 pp | $39M | +33% |
| Q2 2024 | 22 | β | 56.26% | β | $29M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NYXH stock.
Based on Q1 2026 13F filings, institutional ownership of Nyxoah S.A. stands at 19.9%, held across 33 reporting institutions.
Vestal Point Capital, LP is the largest reported institutional holder of NYXH, with approximately 868,661 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of NYXH, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for NYXH is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
6 institutions opened new positions in NYXH during Q1 2026, while 6 fully exited. 3 added to existing positions and 24 trimmed.
NYXH institutional ownership fell by 8.38 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 92.8% of all reported 13F value in NYXH, and the top 25 account for 99.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Nyxoah S.A. (NYXH) Institutional Ownership