X4 Pharmaceuticals, Inc
XFOR- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001501697
In the last 90 days, X4 Pharmaceuticals, Inc insiders filed 0 open-market purchases and 3 sales; 89 institutions reported holding it in 13F filings for Q2 2026, worth $491.9M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in X4 Pharmaceuticals, Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 89
- +5 vs. Q1 2026
- Shares held
- 99.2M
- +5.25M (+5.6%) vs. Q1 2026
- Total value
- $463.0M
- +$75.0M (+19.3%) vs. Q1 2026
- New holders
- 32
- 24 more added
- Sold out
- 27
- 13 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting XFOR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 89 | $491.9M |
| Q1 2026 | 84 | $407.0M |
| Q4 2025 | 79 | $357.7M |
| Q3 2025 | 42 | $55.3M |
| Q2 2025 | 52 | $5.33M |
| Q1 2025 | 94 | $23.6M |
| Q4 2024 | 90 | $73.3M |
| Q3 2024 | 98 | $67.4M |
| Q2 2024 | 99 | $60.7M |
| Q1 2024 | 98 | $147.1M |
| Q4 2023 | 93 | $87.1M |
| Q3 2023 | 91 | $122.6M |
| Q2 2023 | 96 | $219.2M |
| Q1 2023 | 59 | $53.7M |
| Q4 2022 | 54 | $60.2M |
| Q3 2022 | 59 | $74.0M |
| Q2 2022 | 51 | $16.6M |
| Q1 2022 | 56 | $30.7M |
| Q4 2021 | 52 | $40.4M |
| Q3 2021 | 52 | $85.7M |
| Q2 2021 | 63 | $111.5M |
| Q1 2021 | 61 | $139.0M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jane Street Group, LLC | 0 | $0 | 0.00% | −37,143−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −28,973−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −19,514−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −19,474−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −14,703−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,730−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −11,525−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −1,996−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,065−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −802−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −310−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −128−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −116−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −5−100.0% | Sold out |