13F HOLDINGS REPORT
EcoR1 Capital, LLC
Quarter ended Q3 2023 · Filed August 14, 2023 · Accession 0000935836-23-000570
Total Value
$4.08B
Positions
53
Other Managers
0
Confidential Omitted
No
Holdings (53)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | PROTHENA CORP PLC | PRTA | 11,584,280 | $791.0M | 19.38% |
| 2 | APELLIS PHARMACEUTICALS INC | APLS | 5,451,647 | $496.6M | 12.17% |
| 3 | SAREPTA THERAPEUTICS INC | SRPT | 3,660,798 | $419.2M | 10.27% |
| 4 | JOHNSON & JOHNSON | JNJ | 1,700,000 | $281.4M | 6.89% |
| 5 | GALAPAGOS NV | GLPGF | 5,756,268 | $234.0M | 5.73% |
| 6 | MORPHIC HLDG INC | 61775R105 | 3,846,964 | $220.5M | 5.40% |
| 7 | REVOLUTION MEDICINES INC | RVMDW | 7,198,700 | $192.6M | 4.72% |
| 8 | ANAPTYSBIO INC | ANABV | 7,521,024 | $153.0M | 3.75% |
| 9 | ACADIA PHARMACEUTICALS INC | ACAD | 5,991,479 | $143.5M | 3.52% |
| 10 | XENCOR INC | XNCR | 5,282,516 | $131.9M | 3.23% |
| 11 | ZYMEWORKS INC | ZYME | 13,437,473 | $116.1M | 2.84% |
| 12 | BLUEPRINT MEDICINES CORP | 09627Y109 | 1,798,300 | $113.7M | 2.78% |
| 13 | ARVINAS INC | ARVN | 4,017,788 | $99.7M | 2.44% |
| 14 | SPRINGWORKS THERAPEUTICS INC | 85205L107 | 3,460,208 | $90.7M | 2.22% |
| 15 | KURA ONCOLOGY INC | KURA | 5,806,871 | $61.4M | 1.51% |
| 16 | RELAY THERAPEUTICS INC | RLAY | 4,163,824 | $52.3M | 1.28% |
| 17 | JAZZ PHARMACEUTICALS PLC | JAZZ | 368,411 | $45.7M | 1.12% |
| 18 | VOYAGER THERAPEUTICS INC | VYGR | 3,851,507 | $44.1M | 1.08% |
| 19 | CENTESSA PHARMACEUTICALS PLC | CNTA | 5,618,779 | $34.8M | 0.85% |
| 20 | EDGEWISE THERAPEUTICS INC | EWTX | 3,493,194 | $27.1M | 0.66% |
| 21 | ORIC PHARMACEUTICALS INC | ORIC | 3,418,068 | $26.5M | 0.65% |
| 22 | ATEA PHARMACEUTICALS INC | AVIR | 6,995,861 | $26.2M | 0.64% |
| 23 | NUVATION BIO INC | NUVB | 13,896,543 | $25.0M | 0.61% |
| 24 | ALECTOR INC | ALEC | 4,056,548 | $24.4M | 0.60% |
| 25 | CRINETICS PHARMACEUTICALS IN | CRNX | 1,330,263 | $24.0M | 0.59% |
| 26 | ALLOGENE THERAPEUTICS INC | ALLO | 4,488,200 | $22.3M | 0.55% |
| 27 | GRAPHITE BIO INC | 38870X104 | 8,538,446 | $22.2M | 0.54% |
| 28 | OVID THERAPEUTICS INC | OVID | 6,117,400 | $20.1M | 0.49% |
| 29 | NGM BIOPHARMACEUTICALS INC | 62921N105 | 6,435,518 | $16.7M | 0.41% |
| 30 | TANGO THERAPEUTICS INC | TNGX | 4,047,114 | $13.4M | 0.33% |
| 31 | TSCAN THERAPEUTICS INC | TCRX | 5,000,000 | $12.5M | 0.31% |
| 32 | GENERATION BIO CO | 37148K100 | 2,046,867 | $11.3M | 0.28% |
| 33 | THIRD HARMONIC BIO INC | 88427A107 | 2,088,780 | $10.0M | 0.25% |
| 34 | PHATHOM PHARMACEUTICALS INC | PHAT | 700,000 | $10.0M | 0.25% |
| 35 | DYNE THERAPEUTICS INC | DYN | 798,701 | $9.0M | 0.22% |
| 36 | PRIME MEDICINE INC | PRME | 600,000 | $8.8M | 0.22% |
| 37 | ZENTALIS PHARMACEUTICALS INC | ZNTL | 300,000 | $8.5M | 0.21% |
| 38 | JANUX THERAPEUTICS INC | JANX | 452,590 | $5.4M | 0.13% |
| 39 | KURA ONCOLOGY INC | KURA | 500,000 | $5.3M | 0.13% |
| 40 | PRELUDE THERAPEUTICS INC | PRLD | 1,157,452 | $5.2M | 0.13% |
| 41 | PROQR THRAPEUTICS N V | N71542109 | 2,980,016 | $4.8M | 0.12% |
| 42 | HOOKIPA PHARMA INC | HOOK | 4,595,024 | $4.0M | 0.10% |
| 43 | ALIGOS THERAPEUTICS INC | ALGS | 3,948,360 | $3.8M | 0.09% |
| 44 | ALLAKOS INC | 01671P100 | 748,900 | $3.3M | 0.08% |
| 45 | AEGLEA BIOTHERAPEUTICS INC | 00773J103 | 5,000,000 | $2.3M | 0.06% |
| 46 | NUVATION BIO INC | NUVB | 963,333 | $1.7M | 0.04% |
| 47 | TEMPEST THERAPEUTICS INC | TPST | 1,123,434 | $1.4M | 0.03% |
| 48 | 4D MOLECULAR THERAPEUTICS IN | FDMT | 66,978 | $1.2M | 0.03% |
| 49 | POSEIDA THERAPEUTICS INC | 73730P108 | 676,296 | $1.2M | 0.03% |
| 50 | NEWAMSTERDAM PHARMA COMPANY | NAMSW | 66,665 | $792,647 | 0.02% |
| 51 | KRONOS BIO INC | 50107A104 | 326,780 | $562,062 | 0.01% |
| 52 | CAREMAX INC | 14171W111 | 100,000 | $311,000 | 0.01% |
| 53 | SURROZEN INC | SRZNW | 66,665 | $36,666 | 0.00% |