Stock overview
X4 Pharmaceuticals Inc.
Explore the company, reported ownership, price history, and available source evidence.
X4 Pharmaceuticals common stock after the one-for-thirty reverse stock split, traded as XFOR under this CUSIP since April 28, 2025. The company develops treatments for rare hematology diseases.
- Last close
- $3.01
- · XFOR
- Tracked holders
- 1 fund
- Latest available 13F per fund
XFOR · USD
Price
Close · Sep 25, 2026
- Range low
- $1.42
- Range high
- $5.34
- Observations
- 356
- Session date
- Sep 25, 2026
Apr 28, 2025–Sep 25, 2026. Regular market hours only. Historical prices are unadjusted; splits and other corporate actions can affect comparisons.
Investor Popularity
Rows are narrowed by movement, fund type, and position size.
| Fund | Move | Value | Weight |
|---|---|---|---|
| Renaissance Technologies largest tracked holder Q2 2026 · filed Aug 13, 2026 · SEC filing | Newly reported 26'Q2 | $84,527 | 0% |
SEC Forms 4/5
Insiders
Financials
Official-source analysis
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