Q2 2024 · 13F-HR
EcoR1 Capital, LLCholdings as filed
Filed 2024-08-14 · accession 0000935836-24-000519
$3.27B
Reported value
55
Positions
2024-06-30
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 03753U106 | APLSUSD | APELLIS PHARMACEUTICALS INC | $445.3M | 13.6% | 11,607,425 | Common | SOLE |
| G72800108 | PRTA | PROTHENA CORP PLC | $239.1M | 7.31% | 11,584,280 | Common | SOLE |
| 803607100 | SRPT | SAREPTA THERAPEUTICS INC | $222.4M | 6.80% | 1,407,322 | Common | SOLE |
| 032724106 | ANAB | ANAPTYSBIO INC | $188.5M | 5.77% | 7,521,024 | Common | SOLE |
| 22663K107 | CRNX | CRINETICS PHARMACEUTICALS IN | $186.1M | 5.69% | 4,155,375 | Common | SOLE |
| 04335A105 | ARVN | ARVINAS INC | $179.1M | 5.48% | 6,726,491 | Common | SOLE |
| 61775R105 | MORFUSD | MORPHIC HLDG INC | $169.8M | 5.19% | 4,982,945 | Common | SOLE |
| 36315X101 | LKFT | GALAPAGOS NV | $142.6M | 4.36% | 5,756,268 | Common | SOLE |
| 50127T109 | KURA | KURA ONCOLOGY INC | $119.6M | 3.66% | 5,806,871 | Common | SOLE |
| 87583X109 | TNGX | TANGO THERAPEUTICS INC | $114.4M | 3.50% | 13,330,736 | Common | SOLE |
| 98985Y108 | ZYME | ZYMEWORKS INC | $114.4M | 3.50% | 13,437,473 | Common | SOLE |
| G50871105 | JAZZ | JAZZ PHARMACEUTICALS PLC | $108.2M | 3.31% | 1,013,952 | Common | SOLE |
| 98401F105 | XNCR | XENCOR INC | $100.9M | 3.09% | 5,330,416 | Common | SOLE |
| H17182108 | CRSP | CRISPR THERAPEUTICS AG | $75.0M | 2.30% | 1,389,276 | Common | SOLE |
| 47103J105 | JANX | JANUX THERAPEUTICS INC | $61.6M | 1.88% | 1,469,818 | Common | SOLE |
| 67080N101 | NUVB | NUVATION BIO INC | $56.1M | 1.72% | 19,209,643 | Common | SOLE |
| 152309100 | CNTA | CENTESSA PHARMACEUTICALS PLC | $51.6M | 1.58% | 5,714,404 | Common | SOLE |
| 46565G104 | 5E7 | ITEOS THERAPEUTICS INC | $48.2M | 1.48% | 3,249,835 | Common | SOLE |
| 45257U108 | IMNM | IMMUNOME INC | $46.9M | 1.44% | 3,879,415 | Common | SOLE |
| 64135M105 | NGNE | NEUROGENE INC | $46.3M | 1.42% | 1,271,342 | Common | SOLE |
| 88427A107 | — | THIRD HARMONIC BIO INC | $41.4M | 1.27% | 3,182,444 | Common | SOLE |
| 59045L106 | — | MERSANA THERAPEUTICS INC | $38.9M | 1.19% | 19,364,688 | Common | SOLE |
| 92915B106 | VYGR | VOYAGER THERAPEUTICS INC | $31.0M | 0.95% | 3,917,546 | Common | SOLE |
| 05370A108 | RNAGBP | AVIDITY BIOSCIENCES INC | $30.9M | 0.95% | 757,576 | Common | SOLE |
| 89854M101 | TCRX | TSCAN THERAPEUTICS INC | $29.3M | 0.89% | 5,000,000 | Common | SOLE |
| 00653A107 | ADAPY | ADAPTIMMUNE THERAPEUTICS PLC | $26.7M | 0.82% | 27,404,070 | Common | SOLE |
| 68622P109 | ORIC | ORIC PHARMACEUTICALS INC | $24.2M | 0.74% | 3,418,068 | Common | SOLE |
| 14179K101 | CRGX | CARGO THERAPEUTICS INC | $24.1M | 0.74% | 1,470,000 | Common | SOLE |
| 15117B202 | CLDX | CELLDEX THERAPEUTICS INC | $24.1M | 0.74% | 650,000 | Common | SOLE |
| 92243G108 | PCVX | VAXCYTE INC | $22.7M | 0.69% | 300,000 | Common | SOLE |
| 28036F105 | EWTX | EDGEWISE THERAPEUTICS INC | $22.5M | 0.69% | 1,250,385 | Common | SOLE |
| 004225108 | ACAD | ACADIA PHARMACEUTICALS INC | $21.9M | 0.67% | 1,346,475 | Common | SOLE |
| 52635N103 | LENZ | LENZ THERAPEUTICS INC | $21.1M | 0.65% | 1,219,774 | Common | SOLE |
| 558868105 | MDGL | MADRIGAL PHARMACEUTICALS INC | $21.0M | 0.64% | 75,000 | Common | SOLE |
| 640979100 | NMRA | NEUMORA THERAPEUTICS INC. | $20.4M | 0.62% | 2,071,450 | Common | SOLE |
| 088786108 | BCYC | BICYCLE THERAPEUTICS PLC | $18.4M | 0.56% | 910,000 | Common | SOLE |
| 04683R106 | AVIR | ATEA PHARMACEUTICALS INC | $18.0M | 0.55% | 5,441,896 | Common | SOLE |
| N69605108 | PHVS | PHARVARIS N V | $16.9M | 0.52% | 900,000 | Common | SOLE |
| 26818M108 | DYN | DYNE THERAPEUTICS INC | $15.1M | 0.46% | 427,039 | Common | SOLE |
| 878972108 | TECX | TECTONIC THERAPEUTIC INC | $14.0M | 0.43% | 849,143 | Common | SOLE |
| 77313F106 | RCKT | ROCKET PHARMACEUTICALS INC | $10.9M | 0.33% | 508,393 | Common | SOLE |
| 492327101 | KROS | KEROS THERAPEUTICS INC | $8.6M | 0.26% | 187,500 | Common | SOLE |
| 019818103 | — | ALLOVIR INC | $8.2M | 0.25% | 11,294,585 | Common | SOLE |
| 76029N106 | REPL | REPLIMUNE GROUP INC | $7.7M | 0.23% | 850,341 | Common | SOLE |
| 92539P101 | — | VERVE THERAPEUTICS INC | $6.1M | 0.19% | 1,250,000 | Common | SOLE |
| 37148K100 | GBIOGBX | GENERATION BIO CO | $5.8M | 0.18% | 2,046,867 | Common | SOLE |
| 74168J101 | PRME | PRIME MEDICINE INC | $3.6M | 0.11% | 700,000 | Common | SOLE |
| 046513206 | ATRA | ATARA BIOTHERAPEUTICS INC | $3.5M | 0.11% | 406,679 | Common | SOLE |
| N71542109 | PRQR | PROQR THRAPEUTICS N V | $3.4M | 0.10% | 2,042,771 | Common | SOLE |
| 43906K100 | HOOKGBP | HOOKIPA PHARMA INC | $3.4M | 0.10% | 5,717,324 | Common | SOLE |
| 501976104 | KYTX | KYVERNA THERAPEUTICS INC | $3.4M | 0.10% | 450,000 | Common | SOLE |
| 67080N119 | NUVB/WS | NUVATION BIO INC | $2.8M | 0.09% | 963,333 | Common | SOLE |
| 01626L105 | — | ALIGOS THERAPEUTICS INC | $2.2M | 0.07% | 6,389,468 | Common | SOLE |
| 86889P117 | SRZNW | SURROZEN INC | $729,982 | 0.02% | 66,665 | Common | SOLE |
| 14171W111 | — | CAREMAX INC | $279,000 | 0.01% | 100,000 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.