Ownership Summary
X4 Pharmaceuticals, Inc (NASDAQ:XFOR) has 3 institutional investors with active 13F positions as of December 2025.
- They owned 8.1% of outstanding stock in December 2025, up from 5.8% the prior quarter.
- Their total shares held in XFOR increased 39.89% from the prior quarter, while the number of investors in X4 Pharmaceuticals decreased 96.67% year over year.
- Activity in XFOR broke down as 2 buyers, 0 sellers, and 1 unchanged among 3 total holders.
- Combined, these investors held 3.51Mn shares in XFOR for December 2025, up by 1.0Mn shares quarter on quarter, and down 112.89Mn shares year over year.
- NEA Management Company, LLC leads ownership in XFOR with 3.23Mn shares as of December 31, 2025, equal to 7.47% of outstanding shares.
- Top purchasers of XFOR stock for the quarter ending December 2025 included NEA Management Company, LLC (1.0Mn), RMG Wealth Management LLC (28).
- Per Business Quant data, the top 3 holders of X4 Pharmaceuticals for the quarter ending December 2025 are NEA Management Company, LLC (3.23Mn), ACORN CAPITAL ADVISORS, LLC (273.35K), RMG Wealth Management LLC (28).