Ikarian Capital, LLC — 13F Holdings & Portfolio
CIK 1778253 · latest 13F-HR filed 2026-08-14
Ikarian Capital, LLC manages $928.2M in 13F-reported U.S. long-equity assets across 156 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are XBI (5.11%), ABVX (4.90%), ABVX (4.67%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 27 new positions, exited 28, added to 36, 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.
SUITE 1620
DALLAS, TX 75201
$928.2M
Long-equity book
156
Distinct positions
2026-06-30
Filed 2026-08-14
+27 / −28 / ↑36 / ↓54
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ABIVAX SA$37.1M +595.6%
- ANI PHARMACEUTICALS INC$11.2M +99.1%
- BIOHAVEN LTD$7.6M +219.0%
- VERA THERAPEUTICS INC$5.3M +65.3%
- REZOLUTE INC$4.8M +9573.6%
Top Trims
- HARROW INC-$13.4M -69.9%
- BRIDGEBIO PHARMA INC-$7.6M -64.0%
- KODIAK SCIENCES INC-$7.0M -14.4%
- BRIGHT MINDS BIOSCIENCES INC-$5.9M -48.6%
- TENAX THERAPEUTICS INC-$4.8M -29.6%
New Positions
- ARCUS BIOSCIENCES INC$15.6M
- COGENT BIOSCIENCES INC$14.3M
- C4 THERAPEUTICS INC$11.4M
- VIRIDIAN THERAPEUTICS INC$7.8M
- HIMS & HERS HEALTH INC$6.5M
Exited Positions
- TERNS PHARMACEUTICALS INC$76.8M
- CYTOKINETICS INC$18.7M
- REVOLUTION MEDICINES INC$15.9M
- ORUKA THERAPEUTICS INC$11.9M
- SOLENO THERAPEUTICS INC$11.5M
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 | SPDR SERIES TRUST Put | XBI | 78464A870 | $47.5M | 5.11% | 300,000 | SH |
| 2 | ABIVAX SA Call | ABVX | 00370M103 | $45.5M | 4.90% | 341,100 | SH |
| 3 | ABIVAX SA | ABVX | 00370M103 | $43.4M | 4.67% | 328,635 | SH |
| 4 | KODIAK SCIENCES INC | KOD | 50015M109 | $41.3M | 4.45% | 1,059,730 | SH |
| 5 | ABIVAX SA Put | ABVX | 00370M103 | $33.3M | 3.59% | 250,000 | SH |
| 6 | IONIS PHARMACEUTICALS INC Call | IONS | 462222100 | $31.7M | 3.42% | 400,000 | SH |
| 7 | MODERNA INC Put | MRNA | 60770K107 | $28.0M | 3.02% | 400,000 | SH |
| 8 | ALUMIS INC | ALMS | 022307102 | $24.5M | 2.64% | 870,548 | SH |
| 9 | PRAXIS PRECISION MEDICINES I | PRAX | 74006W207 | $24.4M | 2.63% | 72,842 | SH |
| 10 | IONIS PHARMACEUTICALS INC Put | IONS | 462222100 | $23.8M | 2.56% | 300,000 | SH |
| 11 | VAXCYTE INC | PCVX | 92243G108 | $22.6M | 2.43% | 388,682 | SH |
| 12 | ANI PHARMACEUTICALS INC | ANIP | 00182C103 | $22.5M | 2.43% | 272,085 | SH |
| 13 | CELLDEX THERAPEUTICS INC NEW | CLDX | 15117B202 | $17.8M | 1.92% | 478,500 | SH |
| 14 | ARCUS BIOSCIENCES INC | RCUS | 03969F109 | $15.6M | 1.68% | 504,559 | SH |
| 15 | RELMADA THERAPEUTICS INC | RLMD | 75955J402 | $14.9M | 1.60% | 2,148,359 | SH |
| 16 | CAPRICOR THERAPEUTICS INC | CAPR | 14070B309 | $14.5M | 1.57% | 604,215 | SH |
| 17 | COGENT BIOSCIENCES INC | COGT | 19240Q201 | $14.3M | 1.54% | 370,084 | SH |
| 18 | NEWAMSTERDAM PHARMA COMPANY Put | NAMSW | N62509959 | $13.6M | 1.46% | 400,000 | SH |
| 19 | VERA THERAPEUTICS INC | VERA | 92337R101 | $13.3M | 1.43% | 310,000 | SH |
| 20 | CONTINEUM THERAPEUTICS INC | CTNM | 21217B100 | $13.2M | 1.43% | 807,874 | SH |
| 21 | TENAX THERAPEUTICS INC | TENX | 88032L605 | $11.5M | 1.23% | 787,600 | SH |
| 22 | C4 THERAPEUTICS INC | CCCC | 12529R107 | $11.4M | 1.22% | 2,433,000 | SH |
| 23 | MAZE THERAPEUTICS INC | MAZE | 578784100 | $11.3M | 1.22% | 378,999 | SH |
| 24 | BIOHAVEN LTD | BHVN | G1110E107 | $11.1M | 1.20% | 748,181 | SH |
| 25 | CONNECT BIOPHARMA HLDGS LTD | CNTB | G23549101 | $10.8M | 1.16% | 4,538,534 | SH |
| 26 | ALTO NEUROSCIENCE INC | ANRO | 02157Q109 | $10.7M | 1.16% | 407,338 | SH |
| 27 | PHARVARIS N V | PHVS | N69605108 | $10.7M | 1.15% | 308,856 | SH |
| 28 | ALUMIS INC Call | ALMS | 022307102 | $10.0M | 1.08% | 356,300 | SH |
| 29 | JADE BIOSCIENCES INC | JBIO | 008064206 | $9.5M | 1.02% | 427,349 | SH |
| 30 | DAMORA THERAPEUTICS INC | DMRA | 36322Q206 | $8.7M | 0.94% | 335,710 | SH |
| 31 | KODIAK SCIENCES INC Call | KOD | 50015M109 | $8.5M | 0.91% | 217,700 | SH |
| 32 | CAPRICOR THERAPEUTICS INC Call | CAPR | 14070B309 | $8.4M | 0.91% | 350,000 | SH |
| 33 | ARROWHEAD PHARMACEUTICALS IN Put | ARWR | 04280A100 | $8.2M | 0.88% | 100,000 | SH |
| 34 | VIRIDIAN THERAPEUTICS INC | VRDN | 92790C104 | $7.8M | 0.84% | 425,000 | SH |
| 35 | PELTHOS THERAPEUTICS INC | PTHS | 171126204 | $7.3M | 0.78% | 256,598 | SH |
| 36 | ZURA BIO LTD | ZURA | G9TY5A101 | $7.2M | 0.77% | 1,218,492 | SH |
| 37 | TECTONIC THERAPEUTIC INC | TECX | 878972108 | $7.1M | 0.76% | 205,837 | SH |
| 38 | PRAXIS PRECISION MEDICINES I Call | PRAX | 74006W207 | $6.7M | 0.72% | 20,000 | SH |
| 39 | SPRUCE BIOSCIENCES INC | SPRB | 85209E208 | $6.6M | 0.71% | 121,356 | SH |
| 40 | HIMS & HERS HEALTH INC | HIMS | 433000106 | $6.5M | 0.70% | 188,381 | SH |
| 41 | ENLIVEN THERAPEUTICS INC | ELVN | 29337E102 | $6.4M | 0.69% | 126,541 | SH |
| 42 | PROQR THRAPEUTICS N V | PRQR | N71542109 | $6.4M | 0.69% | 3,425,930 | SH |
| 43 | BRIGHT MINDS BIOSCIENCES INC | DRUG | 10919W405 | $6.2M | 0.67% | 88,951 | SH |
| 44 | OVID THERAPEUTICS INC | OVID | 690469101 | $6.1M | 0.66% | 2,269,704 | SH |
| 45 | OCUGEN INC | OCGN | 67577C105 | $6.1M | 0.65% | 3,962,972 | SH |
| 46 | ALPHA COGNITION INC | ACOG | 02074J501 | $6.0M | 0.65% | 836,259 | SH |
| 47 | KYMERA THERAPEUTICS INC Put | KYMR | 501575104 | $5.8M | 0.62% | 50,400 | SH |
| 48 | HARROW INC | HROW | 415858109 | $5.8M | 0.62% | 135,775 | SH |
| 49 | KAZIA THERAPEUTICS LTD | KZIA | 48669G303 | $5.6M | 0.60% | 396,201 | SH |
| 50 | ULTRAGENYX PHARMACEUTICAL IN | RARE | 90400D108 | $5.5M | 0.60% | 165,617 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $928.2M | 156 | 0001420506-26-001820 |
| 2026-03-31 | 2026-05-15 | $1.23B | 161 | 0001420506-26-001165 |
| 2025-12-31 | 2026-02-18 | $1.28B | 174 | 0001420506-26-000592 |
| 2025-09-30 | 2025-11-14 | $990.4M | 169 | 0001420506-25-003413 |