Nyxoah
NYXH
33 hedge funds and large institutions have $16.8M invested in Nyxoah in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 11 reducing their positions, and 2 closing their positions.
100% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 2
25% more capital invested
Capital invested by funds: $13.5M → $16.8M (+$3.35M)
3% more funds holding
Funds holding: 32 → 33 (+1)
73% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 11
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HCM
Heights Capital Management
San Francisco,
California
|
+$4M |
| 2 |
BNP Paribas Asset Management
Paris,
France
|
+$2.54M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$72.6K |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$51.5K |
| 5 |
Barclays
London,
United Kingdom
|
+$15.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$828K |
| 2 |
Franklin Resources
San Mateo,
California
|
-$384K |
| 3 |
Millennium Management
New York
|
-$249K |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$224K |
| 5 |
KA
Kovack Advisors
Ft. Lauderdale,
Florida
|
-$176K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
VCM
26
Versant Capital Management
Phoenix,
Arizona
| $10.7K | +$12K | +2,325 | New |
|
27
Morgan Stanley
New York
| $6.79K | -$5.15K | -1,000 | -40% |
|
|
AF
28
Advisornet Financial
Minnetonka,
Minnesota
| $4.6K | – | – | – |
|
29
Rockefeller Capital Management
New York
| $4.6K | – | – | – |
|
|
FDW
30
Fourth Dimension Wealth
Middleburg Heights,
Ohio
| $3.63K | – | – | – |
|
|
LFG
31
Larson Financial Group
St Louis,
Missouri
| $3.42K | – | – | – |
|
|
CVM
32
Cheviot Value Management
Beverly Hills,
California
| $980 | – | – | – |
|
|
SS
33
SBI Securities
Tokyo,
Japan
| $14 | – | – | – |
|
|
34
Fidelity Investments
Boston,
Massachusetts
| – | -$224K | -48,692 | Closed |
|
|
SC
35
Shay Capital
New York
| – | -$156K | -34,000 | Closed |
|
NYXH Hedge Fund Activity: Q4 2025 in Review
33 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Nyxoah (NYXH) for Q4 2025, worth a combined $16.8M — up 25% from $13.5M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new NYXH positions and 2 closed out — a net gain of 2 holders — while 3 added to existing stakes and 11 trimmed.
The largest buyer was Heights Capital Management, opening a new position worth an estimated $4M. The largest seller was BlackRock, cutting an estimated $828K.
- 33 institutional investors held Nyxoah (NYXH) as of Q4 2025, up from 32 in Q3 2025.
- Funds reported $16.8M of Nyxoah stock for Q4 2025, up 25% quarter-over-quarter.
- 4 funds opened new Nyxoah positions in Q4 2025 and 2 closed out, a net change of +2 holders.
- The largest Nyxoah buyer in Q4 2025 was Heights Capital Management, an estimated $4M added.
- The largest Nyxoah seller in Q4 2025 was BlackRock, an estimated $828K sold.
Based on aggregated 13F filings for Q4 2025.