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EcoR1 Capital, LLC

Q3 2018 Holdings

Filed 2018-11-14 | 51 holdings | $124.7M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Ascendis Pharma A S(ASND)SPONSORED ADR04351P101$77.0M1,087,25761.8%
Arcus Biosciences Inc(RCUS)COM03969F109$31.2M2,236,38725.0%
Arbutus Biopharma Corp(ABUS)COM03879J100$11.6M1,231,8009.3%
Corvus Pharmaceuticals Inc(CRVS)COM221015100$3.0M351,4012.4%
Arvinas Inc(ARVN)COM04335A105$844.0K50,0000.7%
Fibrogen Inc(FGENEUR)COM31572Q808$122.5K2,017,2500.1%
Assembly Biosciences IncCOM045396108$109.3K2,943,1640.1%
Ironwood Pharmaceuticals Inc(IRWD)COM46333X108$94.9K5,141,6240.1%
Kura Oncology Inc(KURA)COM50127T109$68.3K3,902,9750.1%
Scholar Rock Holding Corp(SRRK)COM80706P103$61.0K2,367,3780.0%
Dicerna Pharmaceuticals Inc(DRNAUSD)COM253031108$58.0K3,802,3270.0%
Spark Therapeutics IncCOM84652J103$45.7K837,0480.0%
Macrogenics Inc(MGNX)COM556099109$31.8K1,481,0860.0%
Kezar Life Sciences IncCOM49372L100$27.6K1,288,1980.0%
Akcea Therapeutics Inc(AKCAEUR)COM00972L107$26.4K755,1200.0%
Ultragenyx PharmaceuticalCallCOM90400D908$24.8K325,0000.0%
Gilead Sciences IncCallCOM375558903$22.6K292,6000.0%
Crispr Therapeutics AG(CRSP)COMH17182108$22.2K500,0000.0%
Fibrogen IncCallCOM31572Q908$21.3K350,0000.0%
Nektar TherapeuticsCallCOM640268908$19.8K325,0000.0%
Ultragenyx Pharmaceutical Inc(RARE)COM90400D108$19.4K254,0000.0%
Magenta Therapeutics IncCOM55910K108$18.5K1,538,0880.0%
Ascendis Pharma A SCallCOM04351P901$18.2K257,0000.0%
Celgene CorporationCallCOM151020904$17.9K200,0000.0%
Unity Biotechnology Inc.COM91381U101$15.8K967,1140.0%
Surface Oncology IncCOM86877M209$14.9K1,363,4790.0%
Rubius Therapeutics IncCOM78116T103$14.2K592,1280.0%
Eiger Biopharmaceuticals Inc(CLDNEUR)COM28249U105$12.5K1,039,5000.0%
Ironwood Pharmaceuticals IncCallCOM46333X908$10.5K567,6000.0%
Spero Therapeutics Inc(SPRO)COM84833T103$9.4K892,7410.0%
Immune Design CorpCOM45252L103$7.7K2,241,9000.0%
ZAI LAB LTD(ZLAB)SPONSORED ADR98887Q104$6.8K350,0000.0%
Aquinox Pharmaceuticals IncCOM03842B101$6.6K2,265,8800.0%
Elanco Animal Health Inc(ELAN)COM28414H103$6.6K190,0000.0%
Sangamo Therapeutics Inc(SGMO)COM800677106$5.8K343,2310.0%
Achillion Pharmaceuticals(ACHNEUR)COM00448Q201$5.8K1,564,0800.0%
Assembly Biosciences IncCallCOM045396908$5.5K148,1000.0%
Mersana Therapeutics IncCOM59045L106$5.0K495,6180.0%
Kadmon Holdings Inc(KDMN)COM48283N106$4.9K1,480,8700.0%
Ionis Pharmaceuticals Inc(IONS)COM462222100$3.7K72,3260.0%
Onconova Therapeutics IncCOM68232V405$3.7K500,0000.0%
Avrobio IncCOM05455M100$3.6K68,6460.0%
Jounce Therapeutics IncCallCOM481116901$3.2K497,4000.0%
Wave Life Sciences LTD(WVE)COMY95308105$2.2K44,8410.0%
Constellation Pharmaceuticals Inc(CNST)COM210373106$1.9K280,0000.0%
Forty Seven Inc(FTSVEUR)COM34983P104$1.5K99,0000.0%
Chiasma Inc(CHMA)COM16706W102$1.4K379,7530.0%
Infinity Pharmaceuticals Inc(INFIQ)COM45665G303$1.3K462,0680.0%
Aptinyx IncCOM03836N103$1.2K41,0370.0%
Erytech PharmaSPONSORED ADR29604W108$59069,5690.0%