EcoR1 Capital, LLC Q4 2022 Filing
Filed February 14, 2023
Portfolio Value
$3.3T
Holdings
66
Report Date
Q4 2022
Filing Type
13F-HR
All Holdings (66 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 11,584,280 | $698.0B | 21.24% | |
| 2 | SRPTSAREPTA THERAPEUTICS INC | 2,999,453 | $388.7B | 11.83% | |
| 3 | APLSAPELLIS PHARMACEUTICALS INC | 5,183,431 | $268.0B | 8.16% | |
| 4 | ANABANAPTYSBIO INC | 7,521,024 | $233.1B | 7.09% | |
| 5 | GLPGGALAPAGOS NV | 3,730,730 | $165.6B | 5.04% | |
| 6 | XNCRXENCOR INC | 5,282,516 | $137.6B | 4.19% | |
| 7 | ARVNARVINAS INC | 3,123,300 | $106.8B | 3.25% | |
| 8 | RVMDREVOLUTION MEDICINES INC | 4,458,731 | $106.2B | 3.23% | |
| 9 | MORFMORPHIC HLDG INC | 3,951,566 | $105.7B | 3.22% | |
| 10 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $95.4B | 2.90% | |
| 11 | SWTXSPRINGWORKS THERAPEUTICS INC | 3,460,208 | $90.0B | 2.74% | |
| 12 | KURAKURA ONCOLOGY INC | 6,638,371 | $82.4B | 2.51% | |
| 13 | ZLABZAI LAB LTD | 2,157,686 | $66.2B | 2.02% | |
| 14 | RLAYRELAY THERAPEUTICS INC | 4,163,824 | $62.2B | 1.89% | |
| 15 | ZYMEZYMEWORKS DEL INC | 7,568,573 | $59.5B | 1.81% | |
| 16 | ALECALECTOR INC | 4,056,548 | $37.4B | 1.14% | |
| 17 | NGMUSDNGM BIOPHARMACEUTICALS INC | 6,435,518 | $32.3B | 0.98% | |
| 18 | TORCEURADICET BIO INC | 3,560,700 | $31.8B | 0.97% | |
| 19 | EWTXEDGEWISE THERAPEUTICS INC | 3,493,194 | $31.2B | 0.95% | |
| 20 | TNGXTANGO THERAPEUTICS INC | 4,201,414 | $30.5B | 0.93% | |
| 21 | AVIRATEA PHARMACEUTICALS INC | 6,184,861 | $29.7B | 0.91% | |
| 22 | VYGRVOYAGER THERAPEUTICS INC | 4,753,907 | $29.0B | 0.88% | |
| 23 | ALLOALLOGENE THERAPEUTICS INC | 4,488,200 | $28.2B | 0.86% | |
| 24 | DYNDYNE THERAPEUTICS INC | 2,322,384 | $26.9B | 0.82% | |
| 25 | NUVBNUVATION BIO INC | 13,896,543 | $26.7B | 0.81% | |
| 26 | CRNXCRINETICS PHARMACEUTICALS IN | 1,330,263 | $24.3B | 0.74% | |
| 27 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $20.1B | 0.61% | |
| 28 | KYMRKYMERA THERAPEUTICS INC | 796,093 | $19.9B | 0.60% | |
| 29 | GRPHGRAPHITE BIO INC | 5,712,096 | $19.0B | 0.58% | |
| 30 | JANXJANUX THERAPEUTICS INC | 1,421,319 | $18.7B | 0.57% | |
| 31 | 290ACHINOOK THERAPEUTICS INC | 690,000 | $18.1B | 0.55% | |
| 32 | CNTACENTESSA PHARMACEUTICALS PLC | 5,232,279 | $16.2B | 0.49% | |
| 33 | PSTXUSDPOSEIDA THERAPEUTICS INC | 2,650,000 | $14.0B | 0.43% | |
| 34 | VTYXVENTYX BIOSCIENCES INC | 400,000 | $13.1B | 0.40% | |
| 35 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $11.4B | 0.35% | |
| 36 | PRMEPRIME MEDICINE INC | 600,000 | $11.1B | 0.34% | |
| 37 | CGEMCULLINAN ONCOLOGY INC | 1,035,038 | $10.9B | 0.33% | |
| 38 | TSVT*2SEVENTY BIO INC | 1,143,494 | $10.7B | 0.33% | |
| 39 | GONGERON CORP | 4,028,507 | $9.7B | 0.30% | |
| 40 | 0HJQAVEO PHARMACEUTICALS INC | 650,489 | $9.7B | 0.30% | |
| 41 | BCABBIOATLA INC | 1,124,439 | $9.3B | 0.28% | |
| 42 | DSGNDESIGN THERAPEUTICS INC | 884,903 | $9.1B | 0.28% | |
| 43 | GRCLGRACELL BIOTECHNOLOGIES INC | 3,343,202 | $7.7B | 0.23% | |
| 44 | MGNXMACROGENICS INC | 1,117,455 | $7.5B | 0.23% | |
| 45 | IMTXIMMATICS N.V | 743,000 | $6.5B | 0.20% | |
| 46 | ARQTARCUTIS BIOTHERAPEUTICS INC | 415,322 | $6.1B | 0.19% | |
| 47 | DTILPRECISION BIOSCIENCES INC | 5,035,971 | $6.0B | 0.18% | |
| 48 | —HEALTH SCIENCES ACQ CORP 2 | 400,000 | $4.0B | 0.12% | |
| 49 | SELBUSDSELECTA BIOSCIENCES INC | 3,500,000 | $4.0B | 0.12% | |
| 50 | PRAXPRAXIS PRECISION MEDICINES I | 1,585,324 | $3.8B | 0.11% | |
| 51 | ALGSALIGOS THERAPEUTICS INC | 3,948,360 | $3.8B | 0.11% | |
| 52 | ABEOABEONA THERAPEUTICS INC | 1,086,956 | $3.3B | 0.10% | |
| 53 | SURFUSDSURFACE ONCOLOGY INC | 3,924,713 | $3.2B | 0.10% | |
| 54 | ERASERASCA INC | 678,441 | $2.9B | 0.09% | |
| 55 | HOOKGBPHOOKIPA PHARMA INC | 2,473,489 | $2.0B | 0.06% | |
| 56 | —EUCRATES BIOMEDICAL ACQU COR | 200,000 | $2.0B | 0.06% | |
| 57 | NUVB/WSNUVATION BIO INC | 963,333 | $1.8B | 0.06% | |
| 58 | —ARYA SCIENCES ACQU CORP IV | 150,000 | $1.5B | 0.05% | |
| 59 | OVASUSDTEMPEST THERAPEUTICS INC | 1,031,268 | $1.2B | 0.04% | |
| 60 | 5E7ITEOS THERAPEUTICS INC | 40,480 | $790.6M | 0.02% | |
| 61 | NAMSNEWAMSTERDAM PHARMA COMPANY | 66,665 | $726.6M | 0.02% | |
| 62 | —EUCRATES BIOMEDICAL ACQU COR | 66,666 | $666.0M | 0.02% | |
| 63 | KRON1USDKRONOS BIO INC | 326,780 | $529.4M | 0.02% | |
| 64 | BDTXBLACK DIAMOND THERAPEUTICS I | 282,131 | $507.8M | 0.02% | |
| 65 | —CAREMAX INC | 100,000 | $365.0M | 0.01% | |
| 66 | SRZNWSURROZEN INC | 66,665 | $38.8M | 0.00% |