EcoR1 Capital, LLC Q4 2023 Filing
Filed February 14, 2024
Portfolio Value
$3.9T
Holdings
51
Report Date
Q4 2023
Filing Type
13F-HR
All Holdings (51 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | APLSAPELLIS PHARMACEUTICALS INC | 11,173,068 | $668.8B | 17.37% | |
| 2 | MRTXEURMIRATI THERAPEUTICS INC | 7,396,979 | $434.6B | 11.28% | |
| 3 | PRTAPROTHENA CORP PLC | 11,584,280 | $421.0B | 10.93% | |
| 4 | ARVNARVINAS INC | 6,726,491 | $276.9B | 7.19% | |
| 5 | GLPGGALAPAGOS NV | 5,756,268 | $234.0B | 6.08% | |
| 6 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $187.6B | 4.87% | |
| 7 | ANABANAPTYSBIO INC | 7,521,024 | $161.1B | 4.18% | |
| 8 | ZYMEZYMEWORKS INC | 13,437,473 | $139.6B | 3.62% | |
| 9 | TNGXTANGO THERAPEUTICS INC | 13,330,736 | $132.0B | 3.43% | |
| 10 | JAZZJAZZ PHARMACEUTICALS PLC | 1,013,952 | $124.7B | 3.24% | |
| 11 | ARGXARGENX SE | 300,997 | $114.5B | 2.97% | |
| 12 | XNCRXENCOR INC | 5,282,516 | $112.1B | 2.91% | |
| 13 | KURAKURA ONCOLOGY INC | 5,806,871 | $83.5B | 2.17% | |
| 14 | SRPTSAREPTA THERAPEUTICS INC | 832,907 | $80.3B | 2.09% | |
| 15 | CRNXCRINETICS PHARMACEUTICALS IN | 2,012,517 | $71.6B | 1.86% | |
| 16 | —MERSANA THERAPEUTICS INC | 19,364,688 | $44.9B | 1.17% | |
| 17 | CNTACENTESSA PHARMACEUTICALS PLC | 5,618,779 | $44.7B | 1.16% | |
| 18 | IMNMIMMUNOME INC | 3,879,415 | $41.5B | 1.08% | |
| 19 | EWTXEDGEWISE THERAPEUTICS INC | 3,493,194 | $38.2B | 0.99% | |
| 20 | NMRANEUMORA THERAPEUTICS INC. | 2,071,450 | $35.3B | 0.92% | |
| 21 | THRDTHIRD HARMONIC BIO INC | 3,182,444 | $34.9B | 0.91% | |
| 22 | VYGRVOYAGER THERAPEUTICS INC | 3,851,507 | $32.5B | 0.84% | |
| 23 | ALECALECTOR INC | 4,056,548 | $32.4B | 0.84% | |
| 24 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $31.4B | 0.82% | |
| 25 | TCRXTSCAN THERAPEUTICS INC | 5,000,000 | $29.1B | 0.76% | |
| 26 | NUVBNUVATION BIO INC | 19,209,643 | $29.0B | 0.75% | |
| 27 | PHVSPHARVARIS N V | 900,000 | $25.2B | 0.66% | |
| 28 | NGNENEUROGENE INC | 1,271,342 | $24.6B | 0.64% | |
| 29 | GRPHGRAPHITE BIO INC | 8,538,446 | $22.4B | 0.58% | |
| 30 | AVIRATEA PHARMACEUTICALS INC | 6,995,861 | $21.3B | 0.55% | |
| 31 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $19.7B | 0.51% | |
| 32 | SYRESPYRE THERAPEUTICS INC | 887,076 | $19.1B | 0.50% | |
| 33 | VERVVERVE THERAPEUTICS INC | 1,250,000 | $17.4B | 0.45% | |
| 34 | 5E7ITEOS THERAPEUTICS INC | 1,115,022 | $12.2B | 0.32% | |
| 35 | GOSSGOSSAMER BIO INC | 9,195,404 | $8.4B | 0.22% | |
| 36 | MORFMORPHIC HLDG INC | 211,262 | $6.1B | 0.16% | |
| 37 | PRQRPROQR THRAPEUTICS N V | 2,980,016 | $5.9B | 0.15% | |
| 38 | ATRAGBXATARA BIOTHERAPEUTICS INC | 10,067,043 | $5.2B | 0.13% | |
| 39 | ALGSALIGOS THERAPEUTICS INC | 6,389,468 | $4.2B | 0.11% | |
| 40 | RVMDREVOLUTION MEDICINES INC | 132,579 | $3.8B | 0.10% | |
| 41 | HOOKGBPHOOKIPA PHARMA INC | 4,595,024 | $3.7B | 0.10% | |
| 42 | GBIOGBXGENERATION BIO CO | 2,046,867 | $3.4B | 0.09% | |
| 43 | NGMUSDNGM BIOPHARMACEUTICALS INC | 2,385,873 | $2.0B | 0.05% | |
| 44 | ALLKGUSDALLAKOS INC | 748,900 | $2.0B | 0.05% | |
| 45 | TYRATYRA BIOSCIENCES INC | 137,014 | $1.9B | 0.05% | |
| 46 | PHATPHATHOM PHARMACEUTICALS INC | 198,480 | $1.8B | 0.05% | |
| 47 | PMVPPMV PHARMACEUTICALS INC | 566,879 | $1.8B | 0.05% | |
| 48 | NUVB/WSNUVATION BIO INC | 963,333 | $1.5B | 0.04% | |
| 49 | NAMSNEWAMSTERDAM PHARMA COMPANY | 66,665 | $744.6M | 0.02% | |
| 50 | SRZNWSURROZEN INC | 66,665 | $626.7M | 0.02% | |
| 51 | —CAREMAX INC | 100,000 | $49.8M | 0.00% |