X4 PHARMACEUTICALS INC (XFOR): Institutional Ownership
Hedge funds and institutional managers reporting a position in XFOR · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
12
13F filers
Aggregate Value
$3.1M
Across holders
Last Price
$4.02
2026-06-26
Sector
Health Care
GICS
Holder activity6 new4 added2 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 219K | $904K | 29.3% | 0.0% | Added | +$624K | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 215K | $890K | 28.8% | 0.0% | Added | +$558K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 90K | $372K | 12.0% | 0.0% | New | — | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 65K | $258K | 8.4% | 0.0% | New | — | Q4 2025 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 50K | $208K | 6.7% | 0.0% | Added | +$75K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 24K | $97K | 3.1% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 20K | $81K | 2.6% | 0.0% | New | — | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 19K | $66K | 2.1% | 0.0% | Added | +$6K | Q3 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 15K | $61K | 2.0% | 0.0% | Reduced | $-266K | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 14K | $57K | 1.9% | 0.0% | Reduced | $-14K | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 26K | $50K | 1.6% | 0.0% | New | — | Q2 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 12K | $47K | 1.5% | 0.0% | New | — | Q4 2025 |
Added
Hedge Fund
$904K· 29.3% of total· 0.0% port· 219K sh· +$624K QoQ· Q1 2026
Added
Hedge Fund
$890K· 28.8% of total· 0.0% port· 215K sh· +$558K QoQ· Q1 2026
New
Hedge Fund
$372K· 12.0% of total· 0.0% port· 90K sh· — QoQ· Q1 2026
New
Hedge Fund
$258K· 8.4% of total· 0.0% port· 65K sh· — QoQ· Q4 2025
Added
Hedge Fund
$208K· 6.7% of total· 0.0% port· 50K sh· +$75K QoQ· Q1 2026
New
Hedge Fund
$97K· 3.1% of total· 0.0% port· 24K sh· — QoQ· Q4 2025
New
Hedge Fund
$81K· 2.6% of total· 0.0% port· 20K sh· — QoQ· Q1 2026
Added
Hedge Fund
$66K· 2.1% of total· 0.0% port· 19K sh· +$6K QoQ· Q3 2025
Reduced
Hedge Fund
$61K· 2.0% of total· 0.0% port· 15K sh· $-266K QoQ· Q1 2026
Reduced
Hedge Fund
$57K· 1.9% of total· 0.0% port· 14K sh· $-14K QoQ· Q1 2026
New
Hedge Fund
$50K· 1.6% of total· 0.0% port· 26K sh· — QoQ· Q2 2025
New
Hedge Fund
$47K· 1.5% of total· 0.0% port· 12K sh· — QoQ· Q4 2025