Nantahala Capital Management, LLC
Position in XFOR — X4 Pharmaceuticals, Inc
CIK 1472322
New Canaan, CT
Position in XFOR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$10,116,302
+$318,430 QoQ
Shares Held
2,449,468
0.0% QoQ
Ownership
2.60%
of shares outstanding
% of Portfolio
0.63%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XFOR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Nantahala Capital Management, LLC holds $573,882,961 across 52 Biotechnology names. XFOR ranks #23 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SLNO |
Soleno Therapeutics Inc
|
1,744,124 | $58,393,271 | |
| 2 | SVRA |
Savara Inc
|
7,344,783 | $40,102,515 | |
| 3 | TNGX |
Tango Therapeutics, Inc.
|
1,250,452 | $26,159,455 | |
| 4 | LBRX |
Lb Pharmaceuticals Inc
|
1,052,894 | $25,964,366 | |
| 5 | MLYS |
Mineralys Therapeutics, Inc.
|
895,481 | $24,258,580 | |
| 6 | ZVRA |
Zevra Therapeutics, Inc.
|
2,521,936 | $23,504,443 | |
| 7 | FULC |
Fulcrum Therapeutics, Inc.
|
3,050,040 | $23,393,806 | |
| 8 | ABEO |
Abeona Therapeutics Inc.
|
5,013,052 | $22,458,472 |
All Filings in XFOR
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,116,302 | 2,449,468 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $9,797,872 | 2,449,468 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $7,620,957 | 2,228,350 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||