X4 Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| EMPERY ASSET MANAGEMENT, LP | 02/11/2026 | 8.95 M | $35.80 M | 100.00% | 120.75% |
| FMR LLC | 02/17/2026 | 8.50 M | $34.00 M | 100.00% | 114.65% |
| MORGAN STANLEY | 02/13/2026 | 8.21 M | $32.83 M | 220,072.08% | 110.72% |
| BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 02/17/2026 | 7.97 M | $31.87 M | 226.99% | 107.48% |
| PERCEPTIVE ADVISORS LLC | 02/17/2026 | 6.31 M | $25.26 M | 100.00% | 85.18% |
| SATURN V CAPITAL MANAGEMENT LLC | 02/17/2026 | 5.80 M | $23.20 M | 100.00% | 78.25% |
| DEEP TRACK CAPITAL, LP | 02/13/2026 | 5.01 M | $20.05 M | 346.66% | 67.63% |
| 02/13/2026 | 3.72 M | $14.89 M | 100.00% | 50.22% | |
| VANGUARD GROUP INC | 01/29/2026 | 3.42 M | $13.69 M | 734.05% | 46.18% |
| BRAIDWELL LP | 02/17/2026 | 3.37 M | $13.48 M | 100.00% | 45.45% |
| BLACKSTONE INC. | 02/17/2026 | 2.68 M | $10.73 M | 100.00% | 36.18% |
| ROSALIND ADVISORS, INC. | 02/12/2026 | 2.61 M | $10.42 M | 68.71% | 35.15% |
| 02/17/2026 | 2.57 M | $10.29 M | 100.00% | 34.69% | |
| NANTAHALA CAPITAL MANAGEMENT, LLC | 02/13/2026 | 2.45 M | $9.80 M | 9.92% | 33.04% |
| BVF INC/IL | 02/17/2026 | 2.23 M | $8.93 M | 0.00% | 30.13% |
| SAMSARA BIOCAPITAL, LLC | 02/17/2026 | 1.96 M | $7.84 M | 100.00% | 26.44% |
| SIREN, L.L.C. | 02/13/2026 | 1.50 M | $6.00 M | 100.00% | 20.23% |
| BLACKROCK, INC. | 02/12/2026 | 1.23 M | $4.91 M | 1,880.83% | 16.55% |
| WOODLINE PARTNERS LP | 02/17/2026 | 1.00 M | $4.00 M | 100.00% | 13.50% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 940.45 K | $3.76 M | 1,080.61% | 12.69% |
| STEMPOINT CAPITAL LP | 02/17/2026 | 898.47 K | $3.59 M | 61.77% | 12.12% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 831.89 K | $3.33 M | 100.00% | 11.22% |
| POINT72 ASSET MANAGEMENT, L.P. | 02/17/2026 | 808.15 K | $3.23 M | 3,630.06% | 10.90% |
| STONEPINE CAPITAL MANAGEMENT, LLC | 02/13/2026 | 593.57 K | $2.37 M | -43.81% | 8.01% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 02/12/2026 | 357.39 K | $1.43 M | 100.00% | 4.82% |
| STATE STREET CORP | 02/13/2026 | 198.23 K | $792.94 K | 411.78% | 2.67% |
| NORTHERN TRUST CORP | 02/17/2026 | 178.24 K | $712.94 K | 100.00% | 2.40% |
| PALE FIRE CAPITAL SE | 02/13/2026 | 167.59 K | $670.36 K | -7.33% | 2.26% |
| AFFINITY ASSET ADVISORS, LLC | 02/13/2026 | 145.00 K | $580.00 K | 100.00% | 1.96% |
| CITADEL ADVISORS LLC | 02/17/2026 | 128.68 K | $514.70 K | 100.00% | 1.74% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 127.90 K | $511.60 K | 0.00% | 1.73% |
| PALUMBO WEALTH MANAGEMENT LLC | 01/21/2026 | 113.36 K | $453.43 K | 18.91% | 1.53% |
| OMERS ADMINISTRATION CORP | 02/13/2026 | 109.20 K | $436.80 K | 100.00% | 1.47% |
| JANE STREET GROUP, LLC | 02/12/2026 | 91.41 K | $365.65 K | 100.00% | 1.23% |
| MARSHALL WACE, LLP | 02/13/2026 | 80.46 K | $321.82 K | 100.00% | 1.09% |
| EXODUSPOINT CAPITAL MANAGEMENT, LP | 02/17/2026 | 79.07 K | $316.29 K | 100.00% | 1.07% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 02/17/2026 | 67.75 K | $270.99 K | 100.00% | 0.91% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 66.79 K | $267.15 K | 100.00% | 0.90% |
| BALYASNY ASSET MANAGEMENT L.P. | 02/17/2026 | 64.51 K | $258.02 K | 100.00% | 0.87% |
| BARCLAYS PLC | 02/13/2026 | 57.50 K | $230.00 K | 100.00% | 0.78% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 55.98 K | $223.91 K | -13.61% | 0.76% |
| SUSQUEHANNA PORTFOLIO STRATEGIES, LLC | 02/17/2026 | 43.26 K | $173.04 K | 100.00% | 0.58% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 35.76 K | $143.04 K | 85.25% | 0.48% |
| CITIGROUP INC | 02/13/2026 | 32.33 K | $129.33 K | 100,937.50% | 0.44% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 02/13/2026 | 32.24 K | $128.96 K | 100.00% | 0.43% |
| JEFFERIES FINANCIAL GROUP INC. | 02/09/2026 | 26.12 K | $104.47 K | 100.00% | 0.35% |
| MAN GROUP PLC | 02/17/2026 | 24.19 K | $96.75 K | 100.00% | 0.33% |
| VIRTU FINANCIAL LLC | 02/23/2026 | 22.49 K | $90.00 K | 100.00% | 0.30% |
| LIGHTHOUSE INVESTMENT PARTNERS, LLC | 02/17/2026 | 22.20 K | $88.80 K | 100.00% | 0.30% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 22.14 K | $88.54 K | 100.00% | 0.30% |
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X4 Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 97 institutional investors and hedge funds held shares of X4 Pharmaceuticals Inc. The most heavily invested institutionals were:
UBS Group AG: 267,340
SIGNATUREFD, LLC: 1,996
Farther Finance Advisors, LLC: 331
Ronald Blue Trust, Inc.: 284
SBI Securities Co., Ltd.: 54
Fortitude Family Office, LLC: 0
1,159.04% of X4 Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 91.61 M shares in the last 24 months. This purchase volume represents approximately $380.18 M in transactions.