NYXH Institutional Ownership & Shareholders
Nyxoah SA (NYXH) is currently held by 43 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $30.48M based on the latest available SEC Form 13F filings for the quarter ended September 30, 2026.
Aigh Capital Management Llc is currently the largest disclosed institutional shareholder of NYXH tracked by InsiderSet, reporting ownership valued at approximately $20.19M in its September 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $12.75M, representing an estimated loss of -36.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 96% of the total disclosed NYXH value among the investors covered in this analysis. Major shareholders include Aigh Capital Management Llc, Bnp Paribas Asset Management Holding S.A., Vestal Point Capital, Lp, and several other long-term asset managers with concentrated positions in Nyxoah SA (NYXH).
This page ranks the largest institutional NYXH shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
43
Total Reported Value
$30.48M
Largest Holder
Aigh Capital Management Llc
Largest Position
$20.19M
Insider Transactions (90d)
0
Latest Filing Quarter
Q3 2026
New Institutional Positions
56
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Aigh Capital Management Llc | 2.29% | 14,632,880 | $20,193,374 | $12,752,555 | -$7,440,819 | -36.85% | |
| Bnp Paribas Asset Management Holding S.A. | 0.00% | 962,524 | $1,658,210 | $838,840 | -$819,370 | -49.41% | |
| Vestal Point Capital, Lp | 0.03% | 843,461 | $1,425,449 | $735,076 | -$690,373 | -48.43% | |
| Heights Capital Management, Inc | 0.32% | 828,803 | $1,400,677 | $722,302 | -$678,375 | -48.43% | |
| Hudson Bay Capital Management Lp | 0.01% | 717,982 | $1,213,390 | $625,721 | -$587,669 | -48.43% | |
| Pentwater Capital Management Lp | 0.01% | 600,000 | $1,014,000 | $522,900 | -$491,100 | -48.43% | |
| Rossmore Private Capital | 0.08% | 714,141 | $991,103 | $622,374 | -$368,729 | -37.20% | |
| Andera Partners | 0.41% | 522,057 | $720,439 | $454,973 | -$265,466 | -36.85% | |
| Readystate Asset Management Lp | 0.01% | 207,471 | $350,626 | $180,811 | -$169,815 | -48.43% | |
| Blackrock, Inc. | 0.00% | 121,207 | $204,840 | $105,632 | -$99,208 | -48.43% | |
| Integrated Wealth Concepts Llc | 0.00% | 100,000 | $169,000 | $87,150 | -$81,850 | -48.43% | |
| Ifp Advisors, Inc | 0.00% | 119,632 | $165,092 | $104,259 | -$60,833 | -36.85% | |
| Citadel Advisors Llc | 0.00% | 80,195 | $135,530 | $69,890 | -$65,640 | -48.43% | |
| Ikarian Capital, Llc | 0.01% | 47,358 | $80,035 | $41,272 | -$38,763 | -48.43% | |
| Geode Capital Management, Llc | 0.00% | 44,802 | $75,715 | $39,045 | -$36,670 | -48.43% | |
| Jane Street Group, Llc | 0.00% | 43,544 | $75,208 | $37,949 | -$37,259 | -49.54% | |
| Lpl Financial Llc | 0.00% | 36,261 | $61,281 | $31,601 | -$29,680 | -48.43% | |
| Ubs Group Ag | 0.00% | 35,649 | $60,247 | $31,068 | -$29,179 | -48.43% | |
| Deutsche Bank Ag\ | 0.00% | 35,000 | $59,150 | $30,503 | -$28,647 | -48.43% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 33,480 | $56,581 | $29,178 | -$27,403 | -48.43% |
| Xtx Topco Ltd | 0.00% | 31,641 | $53,473 | $27,575 | -$25,898 | -48.43% | |
| Alphacore Capital Llc | 0.00% | 30,306 | $51,217 | $26,412 | -$24,805 | -48.43% | |
| Elk River Wealth Management Llc | 0.01% | 30,306 | $51,217 | $26,412 | -$24,805 | -48.43% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 23,300 | $39,377 | $20,306 | -$19,071 | -48.43% | |
| Old Mission Capital Llc | 0.00% | 19,437 | $32,640 | $16,939 | -$15,701 | -48.10% | |
| Invst, Llc | 0.00% | 16,254 | $27,469 | $14,165 | -$13,304 | -48.43% | |
| J.W. Cole Advisors, Inc. | 0.00% | 13,450 | $22,731 | $11,722 | -$11,009 | -48.43% | |
| Credit Agricole S A | 0.00% | 11,532 | $19,489 | $10,050 | -$9,439 | -48.43% | |
| Boothbay Fund Management, Llc | 0.00% | 11,474 | $19,391 | $10,000 | -$9,391 | -48.43% | |
| Scientech Research Llc | 0.01% | 10,829 | $18,301 | $9,437 | -$8,864 | -48.43% | |
| Osaic Holdings, Inc. | 0.00% | 6,604 | $11,424 | $5,755 | -$5,669 | -49.62% | |
| Morgan Stanley | 0.00% | 4,475 | $7,563 | $3,900 | -$3,663 | -48.43% | |
| Ghp Investment Advisors, Inc. | 0.00% | 2,590 | $3,575 | $2,257 | -$1,318 | -36.86% | |
| Versant Capital Management, Inc | 0.00% | 2,325 | $3,209 | $2,026 | -$1,183 | -36.86% | |
| Royal Bank Of Canada | 0.00% | 1,000 | $2,000 | $872 | -$1,129 | -56.43% | |
| Rockefeller Capital Management L.P. | 0.00% | 1,000 | $1,690 | $872 | -$819 | -48.43% | |
| Syquant Capital Sas | 0.17% | 596,393 | $757 | $519,756 | +$518,999 | +68560.04% | |
| Fourth Dimension Wealth, Llc | 0.00% | 400 | $676 | $349 | -$327 | -48.43% | |
| Wells Fargo & Company/Mn | 0.00% | 350 | $604 | $305 | -$299 | -49.50% | |
| Cheviot Value Management, Llc | 0.00% | 200 | $338 | $174 | -$164 | -48.43% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 78 | $108 | $68 | -$40 | -37.06% | |
| Cwm, Llc | 0.00% | 29 | $85 | $25 | -$60 | -70.27% | |
| Sbi Securities Co., Ltd. | 0.00% | 3 | $4 | $3 | -$1 | -34.64% |
Frequently asked questions about NYXH
Who are the largest institutional holders of NYXH?
The largest institutional holders of NYXH reported in the latest SEC Form 13F filings include Aigh Capital Management Llc, Bnp Paribas Asset Management Holding S.A., Vestal Point Capital, Lp, Heights Capital Management, Inc, and Hudson Bay Capital Management Lp. InsiderSet ranks institutional holders by their latest reported NYXH position.
What is NYXH institutional ownership?
This page tracks NYXH positions reported by institutional investment managers through SEC Form 13F. Nyxoah SA (NYXH) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own NYXH?
InsiderSet currently tracks 43 institutional managers reporting NYXH holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of NYXH shareholders.
How much NYXH stock do institutions own?
Institutional investment managers disclosed approximately $30.48M in NYXH holdings for Q3 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was NYXH institutional ownership last updated?
The latest NYXH institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended September 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional NYXH holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its NYXH position after the reporting date.
Are institutions buying or selling NYXH?
Institutional buying and selling can be analyzed by comparing NYXH positions across consecutive 13F reporting periods. InsiderSet's NYXH Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View NYXH ownership changes.
How has NYXH institutional ownership changed over time?
InsiderSet tracks NYXH institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.