# X4 PHARMACEUTICALS INC (XFOR)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/XFOR/

- Reporting holders: 2
- Reported value: $3.4K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $2.3K | 789 | 0.0% | 1 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $1.1K | 385 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 2 | $3.4K |
| Q2 2026 | 89 | $487.5M |
| Q1 2026 | 81 | $392.6M |
| Q4 2025 | 75 | $344.9M |
| Q3 2025 | 41 | $47.9M |
| Q2 2025 | 50 | $4.9M |
| Q1 2025 | 4 | $129.3K |
| Q4 2024 | 2 | $313.0K |
| Q3 2024 | 2 | $208.1K |
| Q2 2024 | 2 | $281.0K |
| Q1 2024 | 2 | $626.0K |
| Q4 2023 | 2 | $439.8K |