EcoR1 Capital, LLC Q1 2023 Filing
Filed May 15, 2023
Portfolio Value
$3.1T
Holdings
58
Report Date
Q1 2023
Filing Type
13F-HR
All Holdings (58 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 11,584,280 | $561.5B | 18.08% | |
| 2 | SRPTSAREPTA THERAPEUTICS INC | 2,999,453 | $413.4B | 13.31% | |
| 3 | APLSAPELLIS PHARMACEUTICALS INC | 5,451,647 | $359.6B | 11.58% | |
| 4 | GLPGGALAPAGOS NV | 4,244,645 | $164.0B | 5.28% | |
| 5 | ANABANAPTYSBIO INC | 7,521,024 | $163.7B | 5.27% | |
| 6 | XNCRXENCOR INC | 5,282,516 | $147.3B | 4.74% | |
| 7 | MORFMORPHIC HLDG INC | 3,846,966 | $144.8B | 4.66% | |
| 8 | RVMDREVOLUTION MEDICINES INC | 5,352,183 | $115.9B | 3.73% | |
| 9 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $112.8B | 3.63% | |
| 10 | ARVNARVINAS INC | 3,717,788 | $101.6B | 3.27% | |
| 11 | ZYMEZYMEWORKS INC | 10,087,473 | $91.2B | 2.94% | |
| 12 | SWTXSPRINGWORKS THERAPEUTICS INC | 3,460,208 | $89.1B | 2.87% | |
| 13 | KURAKURA ONCOLOGY INC | 6,638,371 | $81.2B | 2.61% | |
| 14 | RLAYRELAY THERAPEUTICS INC | 4,163,824 | $68.6B | 2.21% | |
| 15 | JANXJANUX THERAPEUTICS INC | 3,838,486 | $46.4B | 1.50% | |
| 16 | VYGRVOYAGER THERAPEUTICS INC | 3,851,507 | $29.7B | 0.96% | |
| 17 | DYNDYNE THERAPEUTICS INC | 2,322,384 | $26.8B | 0.86% | |
| 18 | NGMUSDNGM BIOPHARMACEUTICALS INC | 6,435,518 | $26.3B | 0.85% | |
| 19 | ALECALECTOR INC | 4,056,548 | $25.1B | 0.81% | |
| 20 | KYMRKYMERA THERAPEUTICS INC | 796,093 | $23.6B | 0.76% | |
| 21 | EWTXEDGEWISE THERAPEUTICS INC | 3,493,194 | $23.3B | 0.75% | |
| 22 | NUVBNUVATION BIO INC | 13,896,543 | $23.1B | 0.74% | |
| 23 | ALLOALLOGENE THERAPEUTICS INC | 4,488,200 | $22.2B | 0.71% | |
| 24 | CNTACENTESSA PHARMACEUTICALS PLC | 5,618,779 | $21.6B | 0.70% | |
| 25 | CRNXCRINETICS PHARMACEUTICALS IN | 1,330,263 | $21.4B | 0.69% | |
| 26 | GRPHGRAPHITE BIO INC | 8,538,446 | $20.9B | 0.67% | |
| 27 | AVIRATEA PHARMACEUTICALS INC | 6,184,861 | $20.7B | 0.67% | |
| 28 | TORCEURADICET BIO INC | 3,560,700 | $20.5B | 0.66% | |
| 29 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $19.5B | 0.63% | |
| 30 | TNGXTANGO THERAPEUTICS INC | 4,201,414 | $16.6B | 0.53% | |
| 31 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $15.8B | 0.51% | |
| 32 | 290ACHINOOK THERAPEUTICS INC | 445,550 | $10.3B | 0.33% | |
| 33 | GBIOGBXGENERATION BIO CO | 1,956,579 | $8.4B | 0.27% | |
| 34 | PSTXUSDPOSEIDA THERAPEUTICS INC | 2,650,000 | $8.2B | 0.26% | |
| 35 | THRDTHIRD HARMONIC BIO INC | 1,802,122 | $7.4B | 0.24% | |
| 36 | PRMEPRIME MEDICINE INC | 600,000 | $7.4B | 0.24% | |
| 37 | PRQRPROQR THRAPEUTICS N V | 2,902,715 | $6.2B | 0.20% | |
| 38 | BEAMBEAM THERAPEUTICS INC | 198,591 | $6.1B | 0.20% | |
| 39 | ARQTARCUTIS BIOTHERAPEUTICS INC | 415,322 | $4.6B | 0.15% | |
| 40 | MGNXMACROGENICS INC | 619,192 | $4.4B | 0.14% | |
| 41 | ALGSALIGOS THERAPEUTICS INC | 3,948,360 | $3.5B | 0.11% | |
| 42 | CGEMCULLINAN ONCOLOGY INC | 246,410 | $2.5B | 0.08% | |
| 43 | OVASUSDTEMPEST THERAPEUTICS INC | 1,031,268 | $2.4B | 0.08% | |
| 44 | BDTXBLACK DIAMOND THERAPEUTICS I | 1,191,094 | $2.3B | 0.07% | |
| 45 | SURFUSDSURFACE ONCOLOGY INC | 3,082,959 | $2.2B | 0.07% | |
| 46 | ERASERASCA INC | 678,441 | $2.0B | 0.07% | |
| 47 | —EUCRATES BIOMEDICAL ACQU COR | 200,000 | $2.0B | 0.07% | |
| 48 | HOOKGBPHOOKIPA PHARMA INC | 2,473,489 | $1.8B | 0.06% | |
| 49 | NUVB/WSNUVATION BIO INC | 963,333 | $1.6B | 0.05% | |
| 50 | GRCLGRACELL BIOTECHNOLOGIES INC | 798,948 | $1.5B | 0.05% | |
| 51 | NAMSNEWAMSTERDAM PHARMA COMPANY | 66,665 | $884.0M | 0.03% | |
| 52 | —EUCRATES BIOMEDICAL ACQU COR | 66,666 | $676.0M | 0.02% | |
| 53 | KRON1USDKRONOS BIO INC | 326,780 | $477.1M | 0.02% | |
| 54 | SELBUSDSELECTA BIOSCIENCES INC | 200,000 | $278.0M | 0.01% | |
| 55 | —CAREMAX INC | 100,000 | $267.0M | 0.01% | |
| 56 | CYTCYTEIR THERAPEUTICS INC | 43,823 | $79.8M | 0.00% | |
| 57 | SRZNWSURROZEN INC | 66,665 | $40.1M | 0.00% | |
| 58 | 5E7ITEOS THERAPEUTICS INC | 1,300 | $17.7M | 0.00% |