Security key
B6S7WD106
Nyxoah SA - Ordinary Shares, no nominal value per share (NYXH)
CUSIP: B6S7WD106
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Ordinary Shares, no nominal value per share
- Total 13F shares
- 2,370,165
- Total 13F value
- $17,619,159
- Share change
- -277,540
- SEC-reported price per share
- $7.47
- Number of holders
- 18
- Value change
- -$413,253
- Number of buys
- 9
- Number of sells
- 7
- Shares outstanding
- 99,683,487
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2023
Institutions
18
Top holders
10
NYXH full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Nyxoah SA SEC filings
Nyxoah SA company facts
Broader feeds
Reporting periods
Holder history for CUSIP B6S7WD106
Recent filing periods:
Ownership snapshot
Top reported holders of NYXH - Nyxoah SA - Ordinary Shares, no nominal value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
Lead comparable stake: 0.66%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 0.66%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
0.66%
DEERFIELD MANAGEMENT COMPANY, L.P.
0.46%
Invesco Ltd.
0.37%
RTW INVESTMENTS, LP
0.27%
AXA S.A.
0.21%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
0.66%
|
$3,260,062
653,319 shares
|
— | 31 Dec 2022 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
0.46%
|
$2,271,757
455,262 shares
|
— | 31 Dec 2022 |
| Invesco Ltd. |
13F
Company
|
0.37%
|
$1,851,190
370,980 shares
|
— | 31 Dec 2022 |
| RTW INVESTMENTS, LP |
13F
Company
|
0.27%
|
$1,347,265
269,993 shares
|
— | 31 Dec 2022 |
| AXA S.A. |
13F
Company
|
0.21%
|
$1,067,860
214,000 shares
|
— | 31 Dec 2022 |
| PUTNAM INVESTMENTS LLC |
13F
Company
|
0.19%
|
$918,404
192,942 shares
|
— | 31 Dec 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
18
Shares
2,370,165
Rows available
18
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2023 vs Q1 2026 Across Filers
Q1 2026 holders
34
Q1 2023 holders
18
Holder diff
-16
| Investor | Q1 2026 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend