X4 PharmaceuticalsXFOR
13F holders, Q4 2025 (December 31)3holders +1
1new positions
0sold out
$4.00avg. 13F price*
At the end of Q4 2025, 3 institutions reported holding X4 Pharmaceuticals Inc. (XFOR) in their 13F filings, up 1 from Q3 2025. 1 opened new positions and 0 sold out. The largest holders were NEA Management Company, LLC ($12.9M), Acorn Capital Advisors, LLC ($1.1M) and RMG Wealth Management LLC ($64).
- Company
- X4 Pharmaceuticals Inc.
- CUSIP
- 98420X103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $64 |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 1,000,028 shares bought, net +1,000,028 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 3 holders
| NEA Management Company, LLC | 0.66% | Add +44.8% | 3,233,743 | $12.9M |
| Acorn Capital Advisors, LLC | 0.37% | No change | 273,349 | $1.1M |
| RMG Wealth Management LLC | 0.00% | New | 28 | $64 |
"% of holder's portfolio" is XFOR's weight in each manager's 13F, not the share of X4 Pharmaceuticals Inc. the manager owns.