Nantahala Capital Management, LLC — 13F Holdings & Portfolio
CIK 1472322 · latest 13F-HR filed 2026-05-15
Nantahala Capital Management, LLC manages $2.72B in 13F-reported U.S. long-equity assets across 152 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are IWM (18.72%), HLF (3.03%), PTON (2.83%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 19 new positions, exited 22, added to 50, and trimmed 54.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$2.72B
Long-equity book
152
Distinct positions
2026-03-31
Filed 2026-05-15
+19 / −22 / ↑50 / ↓54
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- MINERALYS THERAPEUTICS INC$20.1M +490.1%
- ANTERIS TECHNOLOGIES GLOBAL$18.1M +143.1%
- VERASTEM INC$15.4M +432.5%
- PELOTON INTERACTIVE INC$14.9M +40.9%
- CAMPING WORLD HLDGS INC$12.0M +116.1%
Top Trims
- FULCRUM THERAPEUTICS INC-$25.2M -51.8%
- ESTABLISHMENT LABS HLDGS INC-$24.7M -34.3%
- FRACTYL HEALTH INC-$17.7M -74.4%
- XTANT MED HLDGS INC-$15.5M -28.8%
- FOX FACTORY HLDG CORP-$12.9M -34.6%
New Positions
- VAXCYTE INC$13.9M
- AGOMAB THERAPEUTICS NV$12.9M
- HELIX ACQUISITION CORP III$12.7M
- JANUX THERAPEUTICS INC$11.3M
- DUOLINGO INC$9.9M
Exited Positions
- EVENTBRITE INC$30.5M
- ISHARES TR$28.8M
- RAPT THERAPEUTICS INC$25.5M
- GLOBUS MED INC$19.6M
- ASTRIA THERAPEUTICS INC$14.0M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ISHARES TR Put | IWM | 464287655 | $508.4M | 18.72% | 2,050,000 | SH |
| 2 | HERBALIFE LTD Call | HLF | G4412G101 | $82.4M | 3.03% | 5,600,000 | SH |
| 3 | PELOTON INTERACTIVE INC Call | PTON | 70614W100 | $77.0M | 2.83% | 17,938,900 | SH |
| 4 | BANCORP INC DEL | TBBK | 05969A105 | $74.2M | 2.73% | 1,380,456 | SH |
| 5 | VIATRIS INC Call | VTRS | 92556V106 | $67.5M | 2.49% | 5,000,000 | SH |
| 6 | EDWARDS LIFESCIENCES CORP Put | EW | 28176E108 | $64.1M | 2.36% | 800,000 | SH |
| 7 | HILTON GRAND VACATIONS INC | HGV | 43283X105 | $59.2M | 2.18% | 1,513,656 | SH |
| 8 | SOLENO THERAPEUTICS INC | SLNO | 834203309 | $58.4M | 2.15% | 1,744,124 | SH |
| 9 | BIOVENTUS INC | BVS | 09075A108 | $55.9M | 2.06% | 6,122,403 | SH |
| 10 | PELOTON INTERACTIVE INC | PTON | 70614W100 | $51.5M | 1.90% | 12,000,000 | SH |
| 11 | ESTABLISHMENT LABS HLDGS INC | ESTA | G31249108 | $47.3M | 1.74% | 832,956 | SH |
| 12 | TEVA PHARMACEUTICAL INDS LTD Call | TEVA | 881624209 | $45.2M | 1.66% | 1,500,000 | SH |
| 13 | UNIQURE NV Call | QURE | N90064101 | $42.5M | 1.56% | 2,600,000 | SH |
| 14 | HILTON GRAND VACATIONS INC Call | HGV | 43283X105 | $42.1M | 1.55% | 1,075,000 | SH |
| 15 | SAVARA INC | SVRA | 805111101 | $40.1M | 1.48% | 7,344,783 | SH |
| 16 | SPDR SERIES TRUST Put | XBI | 78464A870 | $38.3M | 1.41% | 300,000 | SH |
| 17 | XTANT MED HLDGS INC | XTNT | 98420P308 | $38.2M | 1.40% | 68,394,000 | SH |
| 18 | GOGO INC | GOGO | 38046C109 | $35.7M | 1.31% | 8,882,036 | SH |
| 19 | AMNEAL PHARMACEUTICALS INC | AMRX | 03168L105 | $35.4M | 1.30% | 2,844,108 | SH |
| 20 | REGENERON PHARMACEUTICALS Call | REGN | 75886F107 | $30.9M | 1.14% | 40,000 | SH |
| 21 | ANTERIS TECHNOLOGIES GLOBAL | AVR | 03675P102 | $30.7M | 1.13% | 5,530,910 | SH |
| 22 | ETON PHARMACEUTICALS INC | ETON | 29772L108 | $29.0M | 1.07% | 1,175,951 | SH |
| 23 | EVOLUS INC | EOLS | 30052C107 | $26.2M | 0.96% | 6,376,857 | SH |
| 24 | TANGO THERAPEUTICS INC | TNGX | 87583X109 | $26.2M | 0.96% | 1,250,452 | SH |
| 25 | LB PHARMACEUTICALS INC | LBRX | 50180M108 | $26.0M | 0.96% | 1,052,894 | SH |
| 26 | SOLENO THERAPEUTICS INC Call | SLNO | 834203309 | $25.1M | 0.92% | 750,000 | SH |
| 27 | FOX FACTORY HLDG CORP | FOXF | 35138V102 | $24.5M | 0.90% | 1,488,300 | SH |
| 28 | MINERALYS THERAPEUTICS INC | MLYS | 603170101 | $24.3M | 0.89% | 895,481 | SH |
| 29 | ZEVRA THERAPEUTICS INC | ZVRA | 488445206 | $23.5M | 0.87% | 2,521,936 | SH |
| 30 | FULCRUM THERAPEUTICS INC | FULC | 359616109 | $23.4M | 0.86% | 3,050,040 | SH |
| 31 | FOSSIL GROUP INC | FOSL | 34988V106 | $23.3M | 0.86% | 5,404,024 | SH |
| 32 | RIDENOW GROUP INC | RDNW | 781386305 | $23.1M | 0.85% | 3,272,845 | SH |
| 33 | ABEONA THERAPEUTICS INC | ABEO | 00289Y206 | $22.5M | 0.83% | 5,013,052 | SH |
| 34 | CAMPING WORLD HLDGS INC | CWH | 13462K109 | $22.3M | 0.82% | 3,259,274 | SH |
| 35 | ADC THERAPEUTICS SA | ADCT | H0036K147 | $21.0M | 0.77% | 5,597,433 | SH |
| 36 | TITAN MACHY INC | TITN | 88830R101 | $21.0M | 0.77% | 1,254,520 | SH |
| 37 | HERBALIFE LTD | HLF | G4412G101 | $19.9M | 0.73% | 1,353,653 | SH |
| 38 | IMAX CORP | IMAX | 45245E109 | $19.6M | 0.72% | 515,554 | SH |
| 39 | VERASTEM INC | VSTM | 92337C203 | $19.0M | 0.70% | 3,584,820 | SH |
| 40 | BIOCRYST PHARMACEUTICALS INC | BCRX | 09058V103 | $18.9M | 0.70% | 1,987,397 | SH |
| 41 | AVALO THERAPEUTICS INC | AVTX | 05338F306 | $18.4M | 0.68% | 1,235,000 | SH |
| 42 | RMR GROUP INC | RMR | 74967R106 | $17.8M | 0.65% | 1,147,902 | SH |
| 43 | RAYONIER ADVANCED MATLS INC | RYAM | 75508B104 | $17.7M | 0.65% | 1,600,000 | SH |
| 44 | ALIGN TECHNOLOGY INC Call | ALGN | 016255101 | $17.1M | 0.63% | 100,000 | SH |
| 45 | GERON CORP | GERN | 374163103 | $16.7M | 0.62% | 11,225,000 | SH |
| 46 | BENITEC BIOPHARMA INC | BNTC | 08205P209 | $15.3M | 0.56% | 1,438,371 | SH |
| 47 | ABIVAX SA | ABVX | 00370M103 | $15.3M | 0.56% | 137,237 | SH |
| 48 | INTEGER HLDGS CORP | ITGR | 45826H109 | $15.1M | 0.56% | 172,000 | SH |
| 49 | KEROS THERAPEUTICS INC | KROS | 492327101 | $15.0M | 0.55% | 1,360,419 | SH |
| 50 | JACK IN THE BOX INC | JACK | 466367109 | $14.9M | 0.55% | 1,542,715 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $2.72B | 152 | 0001104659-26-062659 |
| 2025-12-31 | 2026-02-13 | $3.02B | 153 | 0001104659-26-015271 |
| 2025-09-30 | 2025-11-14 | $2.88B | 153 | 0001104659-25-112624 |