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 $463.0M in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding X4 Pharmaceuticals, Inc changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 52 | 42 | −10 |
| Shares | 2.80M | 16.2M | +13.4M (+476.2%) |
| Value | $5.33M | $55.3M | +$49.9M (+937.2%) |
New holders (11)
Institutions that held X4 Pharmaceuticals, Inc at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| BVF Inc | 2,233,742 | $7.64M | 0.31% |
| Nantahala Capital Management, LLC | 2,228,350 | $7.62M | 0.47% |
| Rosalind Advisors, Inc. | 1,544,607 | $5.28M | 1.92% |
| Deep Track Capital, LP | 1,122,484 | $3.84M | 0.11% |
| Stonepine Capital Management, LLC | 1,056,338 | $3.61M | 2.94% |
| StemPoint Capital LP | 555,411 | $1.90M | 0.38% |
| Boothbay Fund Management, LLC | 343,963 | $1.18M | 0.03% |
| Palumbo Wealth Management LLC | 95,327 | $326.0K | 0.10% |
| Two Sigma Investments, LP | 13,868 | $47.4K | 0.00% |
| Point72 Asia (Singapore) Pte. Ltd. | 2,914 | $9.97K | 0.00% |
| Rockefeller Capital Management L.P. | 33 | $113 | 0.00% |
Sold out (21)
Institutions that held X4 Pharmaceuticals, Inc at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Gsa Capital Partners LLP | 132,724 | $252.0K |
| Jane Street Group, LLC | 97,344 | $185.0K |
| UBS Oconnor LLC | 80,000 | $152.0K |
| Squarepoint Ops LLC | 38,982 | $74.1K |
| Susquehanna International Group, LLP | 34,821 | $66.2K |
| AQR Capital Management LLC | 26,382 | $50.1K |
| Goldman Sachs Group Inc | 18,864 | $35.8K |
| Virtu Financial LLC | 12,587 | $24.0K |
| Schonfeld Strategic Advisors LLC | 11,261 | $21.4K |
| HRT Financial LP | 10,548 | $20.0K |
| CWM, LLC | 2,414 | $5.00K |
| FMR LLC | 1,697 | $3.22K |
| SRS Capital Advisors, Inc. | 1,120 | $2.13K |
| Wells Fargo & Company | 348 | $661 |
| Federated Hermes, Inc. | 149 | $283 |
| Nisa Investment Advisors, LLC | 139 | $264 |
| Raymond James Financial Inc | 66 | $125 |
| Clearstead Advisors, LLC | 64 | $122 |
| IFP Advisors, Inc | 0 | $90 |
| EverSource Wealth Advisors, LLC | 23 | $44 |
| True Wealth Design, LLC | 3 | $6 |