Ownership Summary
X4 Pharmaceuticals, Inc (NASDAQ:XFOR) has 3 institutional investors with active 13F positions as of December 2025.
- These investors collectively held 8.1% of X4 Pharmaceuticals's 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.
- During the quarter, 2 of these 3 funds increased positions in XFOR, 0 reduced exposure, and 1 held steady.
- Institutional investors collectively held 3.51Mn shares in X4 Pharmaceuticals as of 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 sellers of X4 Pharmaceuticals for the quarter ending December 2025 were ACORN CAPITAL ADVISORS, LLC (39.31K).
- Per Business Quant data, the top 2 holders of X4 Pharmaceuticals for the quarter ending December 2025 are NEA Management Company, LLC (3.23Mn), ACORN CAPITAL ADVISORS, LLC (234.04K).