13F HOLDINGS REPORT
EcoR1 Capital, LLC
Quarter ended Q2 2023 · Filed May 15, 2023 · Accession 0000935836-23-000412
Total Value
$3.11B
Positions
58
Other Managers
0
Confidential Omitted
No
Holdings (58)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | PROTHENA CORP PLC | PRTA | 11,584,280 | $561.5M | 18.08% |
| 2 | SAREPTA THERAPEUTICS INC | SRPT | 2,999,453 | $413.4M | 13.31% |
| 3 | APELLIS PHARMACEUTICALS INC | APLS | 5,451,647 | $359.6M | 11.58% |
| 4 | GALAPAGOS NV | GLPGF | 4,244,645 | $164.0M | 5.28% |
| 5 | ANAPTYSBIO INC | ANABV | 7,521,024 | $163.7M | 5.27% |
| 6 | XENCOR INC | XNCR | 5,282,516 | $147.3M | 4.74% |
| 7 | MORPHIC HLDG INC | 61775R105 | 3,846,966 | $144.8M | 4.66% |
| 8 | REVOLUTION MEDICINES INC | RVMDW | 5,352,183 | $115.9M | 3.73% |
| 9 | ACADIA PHARMACEUTICALS INC | ACAD | 5,991,479 | $112.8M | 3.63% |
| 10 | ARVINAS INC | ARVN | 3,717,788 | $101.6M | 3.27% |
| 11 | ZYMEWORKS INC | ZYME | 10,087,473 | $91.2M | 2.94% |
| 12 | SPRINGWORKS THERAPEUTICS INC | 85205L107 | 3,460,208 | $89.1M | 2.87% |
| 13 | KURA ONCOLOGY INC | KURA | 6,638,371 | $81.2M | 2.61% |
| 14 | RELAY THERAPEUTICS INC | RLAY | 4,163,824 | $68.6M | 2.21% |
| 15 | JANUX THERAPEUTICS INC | JANX | 3,838,486 | $46.4M | 1.50% |
| 16 | VOYAGER THERAPEUTICS INC | VYGR | 3,851,507 | $29.7M | 0.96% |
| 17 | DYNE THERAPEUTICS INC | DYN | 2,322,384 | $26.8M | 0.86% |
| 18 | NGM BIOPHARMACEUTICALS INC | 62921N105 | 6,435,518 | $26.3M | 0.85% |
| 19 | ALECTOR INC | ALEC | 4,056,548 | $25.1M | 0.81% |
| 20 | KYMERA THERAPEUTICS INC | KYMR | 796,093 | $23.6M | 0.76% |
| 21 | EDGEWISE THERAPEUTICS INC | EWTX | 3,493,194 | $23.3M | 0.75% |
| 22 | NUVATION BIO INC | NUVB | 13,896,543 | $23.1M | 0.74% |
| 23 | ALLOGENE THERAPEUTICS INC | ALLO | 4,488,200 | $22.2M | 0.71% |
| 24 | CENTESSA PHARMACEUTICALS PLC | CNTA | 5,618,779 | $21.6M | 0.70% |
| 25 | CRINETICS PHARMACEUTICALS IN | CRNX | 1,330,263 | $21.4M | 0.69% |
| 26 | GRAPHITE BIO INC | 38870X104 | 8,538,446 | $20.9M | 0.67% |
| 27 | ATEA PHARMACEUTICALS INC | AVIR | 6,184,861 | $20.7M | 0.67% |
| 28 | ADICET BIO INC | ACET | 3,560,700 | $20.5M | 0.66% |
| 29 | ORIC PHARMACEUTICALS INC | ORIC | 3,418,068 | $19.5M | 0.63% |
| 30 | TANGO THERAPEUTICS INC | TNGX | 4,201,414 | $16.6M | 0.53% |
| 31 | OVID THERAPEUTICS INC | OVID | 6,117,400 | $15.8M | 0.51% |
| 32 | CHINOOK THERAPEUTICS INC | 16961L106 | 445,550 | $10.3M | 0.33% |
| 33 | GENERATION BIO CO | 37148K100 | 1,956,579 | $8.4M | 0.27% |
| 34 | POSEIDA THERAPEUTICS INC | 73730P108 | 2,650,000 | $8.2M | 0.26% |
| 35 | THIRD HARMONIC BIO INC | 88427A107 | 1,802,122 | $7.4M | 0.24% |
| 36 | PRIME MEDICINE INC | PRME | 600,000 | $7.4M | 0.24% |
| 37 | PROQR THRAPEUTICS N V | N71542109 | 2,902,715 | $6.2M | 0.20% |
| 38 | BEAM THERAPEUTICS INC | BEAM | 198,591 | $6.1M | 0.20% |
| 39 | ARCUTIS BIOTHERAPEUTICS INC | ARQT | 415,322 | $4.6M | 0.15% |
| 40 | MACROGENICS INC | MGNX | 619,192 | $4.4M | 0.14% |
| 41 | ALIGOS THERAPEUTICS INC | ALGS | 3,948,360 | $3.5M | 0.11% |
| 42 | CULLINAN ONCOLOGY INC | CGEM | 246,410 | $2.5M | 0.08% |
| 43 | TEMPEST THERAPEUTICS INC | TPST | 1,031,268 | $2.4M | 0.08% |
| 44 | BLACK DIAMOND THERAPEUTICS I | BDTX | 1,191,094 | $2.3M | 0.07% |
| 45 | SURFACE ONCOLOGY INC | 86877M209 | 3,082,959 | $2.2M | 0.07% |
| 46 | ERASCA INC | ERAS | 678,441 | $2.0M | 0.07% |
| 47 | EUCRATES BIOMEDICAL ACQU COR | G3141W106 | 200,000 | $2.0M | 0.07% |
| 48 | HOOKIPA PHARMA INC | HOOK | 2,473,489 | $1.8M | 0.06% |
| 49 | NUVATION BIO INC | NUVB | 963,333 | $1.6M | 0.05% |
| 50 | GRACELL BIOTECHNOLOGIES INC | 38406L103 | 798,948 | $1.5M | 0.05% |
| 51 | NEWAMSTERDAM PHARMA COMPANY | NAMSW | 66,665 | $883,978 | 0.03% |
| 52 | EUCRATES BIOMEDICAL ACQU COR | G3141W122 | 66,666 | $675,993 | 0.02% |
| 53 | KRONOS BIO INC | 50107A104 | 326,780 | $477,099 | 0.02% |
| 54 | SELECTA BIOSCIENCES INC | 816212104 | 200,000 | $278,000 | 0.01% |
| 55 | CAREMAX INC | 14171W111 | 100,000 | $267,000 | 0.01% |
| 56 | CYTEIR THERAPEUTICS INC | 23284P103 | 43,823 | $79,758 | 0.00% |
| 57 | SURROZEN INC | SRZNW | 66,665 | $40,132 | 0.00% |
| 58 | ITEOS THERAPEUTICS INC | 46565G104 | 1,300 | $17,693 | 0.00% |