X4 PharmaceuticalsXFOR
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 49 institutions reported holding X4 Pharmaceuticals Inc. (XFOR) in their 13F filings, up 47 from Q1 2025. 11 opened new positions and 1 sold out. The largest holders were Bain Capital Life Sciences Investors, LLC ($1.1M), Kingdon Capital Management, L.L.C. ($443K) and Vanguard Group Inc. ($441K). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- X4 Pharmaceuticals Inc.
- CUSIP
- 98420X202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $533K |
| Exits | 1 | $20K |
All 13F filers, Q1 2025 → Q2 2025: 578,753 shares bought and 588,631 shares sold, net −9,877 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 49 holders
| Bain Capital Life Sciences Investors, LLC | 0.13% | No change | 563,859 | $1.1M |
| Kingdon Capital Management, L.L.C. | 0.09% | No change | 233,332 | $443K |
| Vanguard Group Inc. | 0.00% | Reduce -13.8% | 231,892 | $441K |
| BlackRock, Inc. | 0.00% | Reduce -53.0% | 179,228 | $341K |
| Gsa Capital Partners LLP | 0.02% | New | 132,724 | $252K |
| UBS Group AG | 0.00% | Reduce -34.5% | 109,959 | $209K |
| Jane Street Group, LLC | 0.00% | New | 97,344 | $185K |
| Bank of America Corp. | 0.00% | Add +3015.4% | 80,316 | $153K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.00% | Add +850.1% | 80,000 | $152K |
| Millennium Management | 0.00% | Add +805.0% | 78,061 | $148K |
| Pale Fire Capital SE | 0.01% | Reduce -11.5% | 60,051 | $114K |
| Geode Capital Management, LLC | 0.00% | Reduce -59.3% | 49,146 | $93K |
| Squarepoint Ops LLC | 0.00% | New | 38,982 | $74K |
| Susquehanna International Group, LLP | 0.00% | Reduce -39.0% | 34,821 | $66K |
| AQR Capital Management | 0.00% | Add +810.1% | 26,382 | $50K |
| Point72 Asset Management | 0.00% | No change | 21,667 | $41K |
| Goldman Sachs Group Inc. | 0.00% | Add +106.6% | 18,864 | $36K |
| Renaissance Technologies | 0.00% | Add +2491.9% | 17,366 | $33K |
| State Street Corp. | 0.00% | Reduce -84.8% | 15,534 | $30K |
| Virtu Financial LLC | 0.00% | Add +461.0% | 12,587 | $24K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +0.7% | 11,261 | $21K |
| Morgan Stanley | 0.00% | Reduce -42.5% | 10,924 | $21K |
| HRT Financial LP | 0.00% | Add +817.7% | 10,548 | $20K |
| Russell Investments Group, Ltd. | 0.00% | New | 9,727 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +410.9% | 5,203 | $10K |
| Group One Trading LLC | 0.00% | Reduce -30.3% | 3,998 | $8K |
| Royal Bank of Canada | 0.00% | Add +499.9% | 3,085 | $6K |
| Cwm, LLC | 0.00% | Add +676.4% | 2,414 | $5K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 2,166 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | Add +73.3% | 1,793 | $3K |
| FMR LLC | 0.00% | Add +23.8% | 1,697 | $3K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 1,500 | $3K |
| Arax Advisory Partners | 0.00% | New | 1,120 | $2K |
| Citigroup Inc. | 0.00% | Reduce -81.3% | 762 | $1K |
| BNP Paribas Financial Markets | 0.00% | Reduce -0.9% | 636 | $1K |
| Bleichroeder LP | 0.00% | No change | 595 | $1K |
| Wells Fargo & Company | 0.00% | Reduce -87.2% | 348 | $661 |
| Blue Trust, Inc. | 0.00% | No change | 284 | $540 |
| SBI Securities Co., Ltd. | 0.00% | Add +0.9% | 216 | $410 |
| Federated Hermes, Inc. | 0.00% | New | 149 | $283 |
| Nisa Investment Advisors, LLC | 0.00% | New | 139 | $264 |
| Raymond James Financial Inc. | 0.00% | New | 66 | $125 |
| Clearstead Advisors, LLC | 0.00% | New | 64 | $122 |
| Jones Financial Companies LLLP | 0.00% | Reduce -0.3% | 38 | $70 |
| JPMorgan Chase & Co. | 0.00% | Reduce -99.4% | 33 | $63 |
| NewEdge Advisors, LLC | 0.00% | Reduce -1.0% | 33 | $63 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -23.3% | 23 | $44 |
| HighMark Wealth Management LLC | 0.00% | No change | 6 | $11 |
| True Wealth Design, LLC | 0.00% | New | 3 | $6 |
"% of holder's portfolio" is XFOR's weight in each manager's 13F, not the share of X4 Pharmaceuticals Inc. the manager owns.