Ownership Summary
X4 Pharmaceuticals, Inc (NASDAQ:XFOR) has 3 institutional investors that have filed 13F reports for the period ending December 2025.
- Their combined ownership stood at 8.1% of outstanding shares in December 2025, up from 5.8% in September 2025.
- They increased total shares held in XFOR by 39.89% quarter over quarter, and investors in X4 Pharmaceuticals decreased 96.67% from a year ago.
- Activity in XFOR broke down as 2 buyers, 0 sellers, and 1 unchanged among 3 total holders.
- Altogether, these fund groups held 3.51Mn shares in XFOR by December 2025, up by 1.0Mn shares quarter on quarter, and down 112.89Mn shares year over year.
- NEA Management Company, LLC is the top holder of X4 Pharmaceuticals as of December 31, 2025, with 3.23Mn shares representing 7.47% of outstanding stock.
- The largest buyers of X4 Pharmaceuticals for the quarter ending December 2025 were NEA Management Company, LLC (1.0Mn), RMG Wealth Management LLC (28).
- Business Quant data shows the 3 biggest positions in X4 Pharmaceuticals as of December 2025 are held by NEA Management Company, LLC (3.23Mn), ACORN CAPITAL ADVISORS, LLC (273.35K), RMG Wealth Management LLC (28).