13F HOLDINGS REPORT
EcoR1 Capital, LLC
Quarter ended Q4 2024 · Filed February 14, 2025 · Accession 0000935836-25-000164
Total Value
$2.65B
Positions
59
Other Managers
0
Confidential Omitted
No
Holdings (59)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | APELLIS PHARMACEUTICALS INC | APLS | 11,890,843 | $379.4M | 14.35% |
| 2 | ZYMEWORKS INC | ZYME | 15,028,079 | $220.0M | 8.32% |
| 3 | CRINETICS PHARMACEUTICALS IN | CRNX | 4,288,120 | $219.3M | 8.29% |
| 4 | JAZZ PHARMACEUTICALS PLC | JAZZ | 1,706,469 | $210.2M | 7.95% |
| 5 | PROTHENA CORP PLC | PRTA | 11,584,280 | $160.4M | 6.07% |
| 6 | XENCOR INC | XNCR | 6,144,767 | $141.2M | 5.34% |
| 7 | PFIZER INC | PFE | 5,000,000 | $132.7M | 5.01% |
| 8 | ARVINAS INC | ARVN | 6,726,491 | $128.9M | 4.87% |
| 9 | ANAPTYSBIO INC | ANABV | 7,873,448 | $104.2M | 3.94% |
| 10 | SAREPTA THERAPEUTICS INC | SRPT | 770,000 | $93.6M | 3.54% |
| 11 | JANUX THERAPEUTICS INC | JANX | 1,469,818 | $78.7M | 2.98% |
| 12 | UNIQURE NV | QURE | 3,400,000 | $60.0M | 2.27% |
| 13 | SPRINGWORKS THERAPEUTICS INC | 85205L107 | 1,560,000 | $56.4M | 2.13% |
| 14 | CRISPR THERAPEUTICS AG | CRSP | 1,389,276 | $54.7M | 2.07% |
| 15 | IMMUNOME INC | IMNM | 3,879,415 | $41.2M | 1.56% |
| 16 | TECTONIC THERAPEUTIC INC | TECX | 849,143 | $39.2M | 1.48% |
| 17 | TANGO THERAPEUTICS INC | TNGX | 10,630,736 | $32.8M | 1.24% |
| 18 | THIRD HARMONIC BIO INC | 88427A107 | 3,182,444 | $32.7M | 1.24% |
| 19 | KURA ONCOLOGY INC | KURA | 3,557,269 | $31.0M | 1.17% |
| 20 | NEUROGENE INC | NGNE | 1,271,342 | $29.1M | 1.10% |
| 21 | ORIC PHARMACEUTICALS INC | ORIC | 3,418,068 | $27.6M | 1.04% |
| 22 | ETON PHARMACEUTICALS INC | ETON | 1,829,603 | $24.4M | 0.92% |
| 23 | MBX BIOSCIENCES INC | MBX | 1,259,273 | $23.2M | 0.88% |
| 24 | MADRIGAL PHARMACEUTICALS INC | MDGL | 75,000 | $23.1M | 0.87% |
| 25 | VOYAGER THERAPEUTICS INC | VYGR | 3,917,546 | $22.2M | 0.84% |
| 26 | NEUMORA THERAPEUTICS INC. | NMRA | 2,071,450 | $22.0M | 0.83% |
| 27 | CARGO THERAPEUTICS INC | 14179K101 | 1,470,000 | $21.2M | 0.80% |
| 28 | MOONLAKE IMMUNOTHERAPEUTICS | MLTX | 332,522 | $18.0M | 0.68% |
| 29 | GINKGO BIOWORKS HOLDINGS INC | DNABW | 1,743,344 | $17.1M | 0.65% |
| 30 | AVIDITY BIOSCIENCES INC | 05370A108 | 557,576 | $16.2M | 0.61% |
| 31 | MERSANA THERAPEUTICS INC | 59045L106 | 11,328,000 | $16.2M | 0.61% |
| 32 | TSCAN THERAPEUTICS INC | TCRX | 5,000,000 | $15.2M | 0.57% |
| 33 | ADAPTIMMUNE THERAPEUTICS PLC | ADTI | 27,404,070 | $14.8M | 0.56% |
| 34 | KYMERA THERAPEUTICS INC | KYMR | 350,000 | $14.1M | 0.53% |
| 35 | DYNE THERAPEUTICS INC | DYN | 555,644 | $13.1M | 0.49% |
| 36 | BICYCLE THERAPEUTICS PLC | BCYC | 910,000 | $12.7M | 0.48% |
| 37 | ATEA PHARMACEUTICALS INC | AVIR | 3,341,653 | $11.2M | 0.42% |
| 38 | DAY ONE BIOPHARMACEUTICALS I | DAWN | 862,068 | $10.9M | 0.41% |
| 39 | REPLIMUNE GROUP INC | REPL | 850,341 | $10.3M | 0.39% |
| 40 | ALIGOS THERAPEUTICS INC | ALGS | 255,573 | $10.2M | 0.38% |
| 41 | ATARA BIOTHERAPEUTICS INC | ATRA | 532,134 | $7.1M | 0.27% |
| 42 | VERVE THERAPEUTICS INC | 92539P101 | 1,250,000 | $7.0M | 0.27% |
| 43 | UNIQURE NV | QURE | 385,000 | $6.8M | 0.26% |
| 44 | FATE THERAPEUTICS INC | FATE | 3,049,405 | $5.0M | 0.19% |
| 45 | GALAPAGOS NV | GLPGF | 155,006 | $4.3M | 0.16% |
| 46 | ALLOVIR INC | 019818103 | 408,688 | $3.9M | 0.15% |
| 47 | KEROS THERAPEUTICS INC | KROS | 187,500 | $3.0M | 0.11% |
| 48 | RELAY THERAPEUTICS INC | RLAY | 641,426 | $2.6M | 0.10% |
| 49 | DESIGN THERAPEUTICS INC | DSGN | 426,683 | $2.6M | 0.10% |
| 50 | NUVATION BIO INC | NUVB | 963,333 | $2.6M | 0.10% |
| 51 | GENERATION BIO CO | 37148K100 | 2,046,867 | $2.2M | 0.08% |
| 52 | PRIME MEDICINE INC | PRME | 700,000 | $2.0M | 0.08% |
| 53 | ETON PHARMACEUTICALS INC | ETON | 151,400 | $2.0M | 0.08% |
| 54 | AADI BIOSCIENCE INC | WHWK | 345,253 | $1.1M | 0.04% |
| 55 | UPSTREAM BIO INC | UPB | 60,000 | $986,400 | 0.04% |
| 56 | SURROZEN INC | SRZNW | 66,665 | $956,643 | 0.04% |
| 57 | HOOKIPA PHARMA INC | HOOK | 388,861 | $781,611 | 0.03% |
| 58 | ARTIVA BIOTHERAPEUTICS INC | ARTV | 41,453 | $417,846 | 0.02% |
| 59 | MONTE ROSA THERAPEUTICS INC | GLUE | 21,700 | $150,598 | 0.01% |