X4 Pharmaceuticals stock holds firm before November 5 earnings
Published on 09/17/2026 at 16:54 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSX4 Pharmaceuticals, Inc. (XFOR) stock closed at USD 3.50 on September 11, 2026, up 2.94 percent from the prior close. Yahoo Finance lists the company as a NasdaqCM delayed quote and shows an earnings date of November 5, 2026.
Price and timing
The shares finished the session at USD 3.50 after a USD 0.10 rise, with after-hours trading flat at USD 3.50 on September 11, 2026. That puts XFOR far below the USD 389.54 market capitalization shown in TradingView's current quote snapshot on September 17, 2026, but the same snapshot also marks the stock at USD 4.03.
For investors, the gap between the September 11 close of USD 3.50 and the September 17 quote of USD 4.03 is the main market signal in the data set.
Company snapshot
Yahoo Finance describes X4 Pharmaceuticals as a biotechnology company in healthcare with 45 full-time employees. The same profile places the Boston-based company at 61 North Beacon Street and points to XOLREMDI as its commercial product.
Yahoo Finance also shows recent corporate events on September 8, 2026 and September 9, 2026, plus a 10-Q filing on August 6, 2026. Those dates matter because they frame the stock before the next earnings update in November.
Stock level now
XFOR stock is quoted at USD 4.03 in TradingView's September 17, 2026 snapshot, while Yahoo Finance shows a USD 3.50 close on September 11, 2026. The market cap in TradingView's snapshot is USD 389.54 million, and Yahoo Finance lists the next earnings date as November 5, 2026.
X4 Pharmaceuticals stock facts
- Company: X4 Pharmaceuticals, Inc.
- ISIN: US98423B1052
- Ticker: XFOR
- Trading venue: NasdaqCM
- Price (as of September 17, 2026): USD 4.03
- Market capitalization: USD 389.54 million (as of September 17, 2026)
- Sector / Industry: Healthcare / Biotechnology
- Index membership: N/A
- Next earnings date: November 5, 2026
