EcoR1 Capital, LLC Q2 2023 Filing
Filed August 14, 2023
Portfolio Value
$4.1T
Holdings
52
Report Date
Q2 2023
Filing Type
13F-HR
All Holdings (52 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 11,584,280 | $791.0B | 19.38% | |
| 2 | APLSAPELLIS PHARMACEUTICALS INC | 5,451,647 | $496.6B | 12.17% | |
| 3 | SRPTSAREPTA THERAPEUTICS INC | 3,660,798 | $419.2B | 10.27% | |
| 4 | JNJJOHNSON & JOHNSON | 1,700,000 | $281.4B | 6.89% | Call |
| 5 | GLPGGALAPAGOS NV | 5,756,268 | $234.0B | 5.73% | |
| 6 | MORFMORPHIC HLDG INC | 3,846,964 | $220.5B | 5.40% | |
| 7 | RVMDREVOLUTION MEDICINES INC | 7,198,700 | $192.6B | 4.72% | |
| 8 | ANABANAPTYSBIO INC | 7,521,024 | $153.0B | 3.75% | |
| 9 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $143.5B | 3.52% | |
| 10 | XNCRXENCOR INC | 5,282,516 | $131.9B | 3.23% | |
| 11 | ZYMEZYMEWORKS INC | 13,437,473 | $116.1B | 2.84% | |
| 12 | 2L9BLUEPRINT MEDICINES CORP | 1,798,300 | $113.7B | 2.78% | |
| 13 | ARVNARVINAS INC | 4,017,788 | $99.7B | 2.44% | |
| 14 | SWTXSPRINGWORKS THERAPEUTICS INC | 3,460,208 | $90.7B | 2.22% | |
| 15 | KURAKURA ONCOLOGY INC | 6,306,871 | $66.7B | 1.63% | Call |
| 16 | RLAYRELAY THERAPEUTICS INC | 4,163,824 | $52.3B | 1.28% | |
| 17 | JAZZJAZZ PHARMACEUTICALS PLC | 368,411 | $45.7B | 1.12% | |
| 18 | VYGRVOYAGER THERAPEUTICS INC | 3,851,507 | $44.1B | 1.08% | |
| 19 | CNTACENTESSA PHARMACEUTICALS PLC | 5,618,779 | $34.8B | 0.85% | |
| 20 | EWTXEDGEWISE THERAPEUTICS INC | 3,493,194 | $27.1B | 0.66% | |
| 21 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $26.5B | 0.65% | |
| 22 | AVIRATEA PHARMACEUTICALS INC | 6,995,861 | $26.2B | 0.64% | |
| 23 | NUVBNUVATION BIO INC | 13,896,543 | $25.0B | 0.61% | |
| 24 | ALECALECTOR INC | 4,056,548 | $24.4B | 0.60% | |
| 25 | CRNXCRINETICS PHARMACEUTICALS IN | 1,330,263 | $24.0B | 0.59% | |
| 26 | ALLOALLOGENE THERAPEUTICS INC | 4,488,200 | $22.3B | 0.55% | |
| 27 | GRPHGRAPHITE BIO INC | 8,538,446 | $22.2B | 0.54% | |
| 28 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $20.1B | 0.49% | |
| 29 | NGMUSDNGM BIOPHARMACEUTICALS INC | 6,435,518 | $16.7B | 0.41% | |
| 30 | TNGXTANGO THERAPEUTICS INC | 4,047,114 | $13.4B | 0.33% | |
| 31 | TCRXTSCAN THERAPEUTICS INC | 5,000,000 | $12.5B | 0.31% | |
| 32 | GBIOGBXGENERATION BIO CO | 2,046,867 | $11.3B | 0.28% | |
| 33 | THRDTHIRD HARMONIC BIO INC | 2,088,780 | $10.0B | 0.25% | |
| 34 | PHATPHATHOM PHARMACEUTICALS INC | 700,000 | $10.0B | 0.25% | |
| 35 | DYNDYNE THERAPEUTICS INC | 798,701 | $9.0B | 0.22% | |
| 36 | PRMEPRIME MEDICINE INC | 600,000 | $8.8B | 0.22% | |
| 37 | ZNTLZENTALIS PHARMACEUTICALS INC | 300,000 | $8.5B | 0.21% | |
| 38 | JANXJANUX THERAPEUTICS INC | 452,590 | $5.4B | 0.13% | |
| 39 | PRLDPRELUDE THERAPEUTICS INC | 1,157,452 | $5.2B | 0.13% | |
| 40 | PRQRPROQR THRAPEUTICS N V | 2,980,016 | $4.8B | 0.12% | |
| 41 | HOOKGBPHOOKIPA PHARMA INC | 4,595,024 | $4.0B | 0.10% | |
| 42 | ALGSALIGOS THERAPEUTICS INC | 3,948,360 | $3.8B | 0.09% | |
| 43 | ALLKGUSDALLAKOS INC | 748,900 | $3.3B | 0.08% | |
| 44 | AGLEUSDAEGLEA BIOTHERAPEUTICS INC | 5,000,000 | $2.3B | 0.06% | |
| 45 | NUVB/WSNUVATION BIO INC | 963,333 | $1.7B | 0.04% | |
| 46 | OVASUSDTEMPEST THERAPEUTICS INC | 1,123,434 | $1.4B | 0.03% | |
| 47 | FDMT4D MOLECULAR THERAPEUTICS IN | 66,978 | $1.2B | 0.03% | |
| 48 | PSTXUSDPOSEIDA THERAPEUTICS INC | 676,296 | $1.2B | 0.03% | |
| 49 | NAMSNEWAMSTERDAM PHARMA COMPANY | 66,665 | $792.6M | 0.02% | |
| 50 | KRON1USDKRONOS BIO INC | 326,780 | $562.1M | 0.01% | |
| 51 | —CAREMAX INC | 100,000 | $311.0M | 0.01% | |
| 52 | SRZNWSURROZEN INC | 66,665 | $36.7M | 0.00% |