X4 Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| MORGAN STANLEY | 05/15/2026 | 9.47 M | $39.10 M | 15.34% | 22.38% |
| EMPERY ASSET MANAGEMENT, LP | 05/08/2026 | 8.94 M | $36.94 M | -0.08% | 21.15% |
| FMR LLC | 05/15/2026 | 8.10 M | $33.47 M | -4.66% | 19.16% |
| BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 05/15/2026 | 7.97 M | $32.91 M | 0.00% | 18.84% |
| PERCEPTIVE ADVISORS LLC | 05/29/2026 | 6.74 M | $27.83 M | 6.70% | 15.93% |
| SATURN V CAPITAL MANAGEMENT LLC | 05/15/2026 | 6.46 M | $26.67 M | 11.31% | 15.27% |
| DEEP TRACK CAPITAL, LP | 05/15/2026 | 6.34 M | $26.18 M | 26.45% | 14.99% |
| 05/15/2026 | 3.72 M | $15.38 M | 0.00% | 8.80% | |
| 05/15/2026 | 3.50 M | $14.45 M | 100.00% | 8.27% | |
| BRAIDWELL LP | 05/15/2026 | 3.27 M | $13.52 M | -2.85% | 7.74% |
| ROSALIND ADVISORS, INC. | 05/14/2026 | 3.21 M | $13.28 M | 23.36% | 7.60% |
| BLACKSTONE INC. | 05/15/2026 | 2.68 M | $11.08 M | 0.00% | 6.34% |
| 05/15/2026 | 2.57 M | $10.62 M | 0.00% | 6.08% | |
| NANTAHALA CAPITAL MANAGEMENT, LLC | 05/15/2026 | 2.45 M | $10.12 M | 0.00% | 5.79% |
| BVF INC/IL | 05/15/2026 | 2.23 M | $9.23 M | 0.00% | 5.28% |
| SAMSARA BIOCAPITAL, LLC | 05/15/2026 | 1.83 M | $7.57 M | -6.50% | 4.33% |
| BLACKROCK, INC. | 05/13/2026 | 1.21 M | $5.00 M | -1.22% | 2.87% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 1.21 M | $5.00 M | 2,062.48% | 2.86% |
| WOODLINE PARTNERS LP | 05/15/2026 | 1.00 M | $4.13 M | 0.02% | 2.37% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 939.73 K | $3.88 M | -0.08% | 2.22% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 882.13 K | $3.64 M | 6.04% | 2.09% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 856.22 K | $3.54 M | 3,768.18% | 2.02% |
| STEMPOINT CAPITAL LP | 05/18/2026 | 850.74 K | $3.51 M | -5.31% | 2.01% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 480.73 K | $1.99 M | 100.00% | 1.14% |
| STATE STREET CORP | 05/15/2026 | 403.53 K | $1.67 M | 103.56% | 0.95% |
| MARSHALL WACE, LLP | 05/15/2026 | 336.83 K | $1.39 M | 318.66% | 0.80% |
| STONEPINE CAPITAL MANAGEMENT, LLC | 05/14/2026 | 335.31 K | $1.38 M | -43.51% | 0.79% |
| VR ADVISER, LLC | 05/15/2026 | 330.53 K | $1.37 M | 100.00% | 0.78% |
| UBS GROUP AG | 05/05/2026 | 267.34 K | $1.10 M | 6,374.69% | 0.63% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2026 | 218.95 K | $904.28 K | 223.19% | 0.52% |
| NORTHERN TRUST CORP | 05/14/2026 | 178.24 K | $736.11 K | 0.00% | 0.42% |
| PALE FIRE CAPITAL SE | 05/14/2026 | 167.59 K | $692.15 K | 0.00% | 0.40% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 150.68 K | $622.29 K | 321.34% | 0.36% |
| AFFINITY ASSET ADVISORS, LLC | 05/14/2026 | 145.00 K | $598.85 K | 0.00% | 0.34% |
| PALUMBO WEALTH MANAGEMENT LLC | 05/12/2026 | 131.01 K | $541.09 K | 15.58% | 0.31% |
| BREVAN HOWARD CAPITAL MANAGEMENT LP | 05/15/2026 | 127.32 K | $525.84 K | 100.00% | 0.30% |
| SUSQUEHANNA PORTFOLIO STRATEGIES, LLC | 05/15/2026 | 102.60 K | $423.73 K | 137.17% | 0.24% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 66.75 K | $275.67 K | -0.06% | 0.16% |
| OMERS ADMINISTRATION CORP | 05/15/2026 | 57.30 K | $236.65 K | -47.53% | 0.14% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 05/13/2026 | 50.29 K | $207.69 K | 55.98% | 0.12% |
| CATALYST FUNDS MANAGEMENT PTY LTD | 05/11/2026 | 47.38 K | $195.69 K | 100.00% | 0.11% |
| JANE STREET GROUP, LLC | 05/12/2026 | 37.14 K | $153.40 K | -59.37% | 0.09% |
| DYNAMIC TECHNOLOGY LAB PRIVATE LTD | 05/15/2026 | 36.22 K | $384.67 K | 100.00% | 0.09% |
| CITIGROUP INC | 05/11/2026 | 35.77 K | $147.71 K | 10.62% | 0.08% |
| VANGUARD GLOBAL ADVISERS, LLC | 05/08/2026 | 32.98 K | $136.20 K | 100.00% | 0.08% |
| DIAMETRIC CAPITAL, LP | 05/15/2026 | 28.97 K | $119.66 K | 100.00% | 0.07% |
| STIFEL FINANCIAL CORP | 05/12/2026 | 21.79 K | $89.99 K | 6.31% | 0.05% |
| INVESCO LTD. | 05/12/2026 | 19.97 K | $82.47 K | 100.00% | 0.05% |
| SCHONFELD STRATEGIC ADVISORS LLC | 05/15/2026 | 19.51 K | $80.59 K | 100.00% | 0.05% |
| JEFFERIES FINANCIAL GROUP INC. | 05/08/2026 | 19.47 K | $80.43 K | -25.44% | 0.05% |
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X4 Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 109 institutional investors and hedge funds held shares of X4 Pharmaceuticals Inc. The most heavily invested institutionals were:
MORGAN STANLEY: 9.47 M
Empery Asset Management, LP: 8.94 M
FMR LLC: 8.1 M
Bain Capital Life Sciences Investors, LLC: 7.97 M
PERCEPTIVE ADVISORS LLC: 6.74 M
Saturn V Capital Management LLC: 6.46 M
213.84% of X4 Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 95.79 M shares in the last 24 months. This purchase volume represents approximately $397.54 M in transactions.