Nyxoah SA
NYXH- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001857190
No open-market purchases or sales by Nyxoah SA insiders were filed in the last 90 days; 45 institutions reported holding it in 13F filings for Q2 2026, worth $37.5M in total; no superinvestor holds it.
Holders of 5% or more of NYXH
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Nyxoah SA, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Hirschman Orin | 13G | 14.50%14.5M shares | New | Jun 22, 20261 filing | Jun 22, 2026 | SEC |
| CVI Investments, Inc. | 13G/A | 9.90%11.0M shares | 0.00 ppfrom 9.90% | Dec 29, 20252 filings | Aug 14, 2026 | SEC |
| Cochlear Ltd | 13D/A | 5.91%5.85M shares | −7.68 ppfrom 13.59% | Jul 16, 20216 filings | Jun 11, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
20 Schedule 13D and 13G filings on Nyxoah SA, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20262:44 PM ET | CVI Investments, Inc.and 1 other | 13G/A | 9.90%11.0M shares | 0.00 ppfrom 9.90% | Jun 30, 2026 | SEC |
| Jul 1, 20267:00 AM ET | Resmed Inc | 13G/A | 1.95%1.94M shares | –Below 5% | Jun 30, 2026 | SEC |
| Jun 22, 20266:16 AM ET | Hirschman Orinand 1 other | 13G | 14.50%14.5M shares | New | Jun 10, 2026 | SEC |
| Jun 11, 20264:15 PM ET | Cochlear Ltdand 1 other | 13D/A | 5.91%5.85M shares | −7.68 ppfrom 13.59% | Jun 10, 2026 | SEC |
| Dec 29, 202510:03 AM ET | CVI Investments, Inc.and 1 other | 13G | 9.90%4.68M shares | New | Dec 18, 2025 | SEC |
| Nov 24, 20254:00 PM ET | Cochlear Ltdand 1 other | 13D/A | 13.59%5.85M shares | – | Nov 20, 2025 | SEC |
| Aug 14, 20254:00 PM ET | Vestal Point Capital, LPand 1 other | 13G/A | 3.70%1.40M shares | −2.50 ppfrom 6.20%Below 5% | Jun 30, 2025 | SEC |
| May 15, 20254:11 PM ET | Vestal Point Capital, LPand 1 other | 13G/A | 6.20%2.32M shares | −1.60 ppfrom 7.80% | Mar 31, 2025 | SEC |
| Feb 14, 20252:31 PM ET | Vestal Point Capital, LPand 1 other | 13G | 7.80%2.92M shares | New | Dec 31, 2024 | SEC |
| Oct 10, 2024 | Cochlear Ltd | 13D/AOld format | – | – | – | SEC |
| May 30, 2024 | Cochlear Ltd | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Together Partnership | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Taub Robert | 13G/AOld format | – | – | – | SEC |
| Jul 6, 20232:30 PM ET | Resmed Inc | 13G/AOld format | – | – | – | SEC |
| Apr 6, 20234:42 PM ET | Resmed Inc | 13GOld format | – | New | – | SEC |
| Mar 29, 2023 | Cochlear Ltd | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Together Partnership | 13GOld format | – | New | – | SEC |
| Feb 11, 2022 | Taub Robert | 13GOld format | – | New | – | SEC |
| Feb 10, 2022 | Gilde Healthcare Holding B.V. | 13GOld format | – | New | – | SEC |
| Jul 16, 2021 | Cochlear Ltd | 13DOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Nyxoah SA shares.
No Form 144 notices for Nyxoah SA are on file.