EcoR1 Capital, LLC Q3 2023 Filing
Filed November 14, 2023
Portfolio Value
$3.0B
Holdings
49
Report Date
Q3 2023
Filing Type
13F-HR
All Holdings (49 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 11,584,280 | $558.9T | 18853255.06% | |
| 2 | APLSAPELLIS PHARMACEUTICALS INC | 11,632,359 | $442.5T | 14925479.21% | Call |
| 3 | MRTXEURMIRATI THERAPEUTICS INC | 5,748,399 | $250.4T | 8446071.52% | |
| 4 | GLPGGALAPAGOS NV | 5,756,268 | $198.9T | 6708246.85% | |
| 5 | RVMDREVOLUTION MEDICINES INC | 5,609,163 | $155.3T | 5237018.72% | Call |
| 6 | ANABANAPTYSBIO INC | 7,521,024 | $135.1T | 4556205.31% | |
| 7 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $124.9T | 4211644.77% | |
| 8 | ARVNARVINAS INC | 5,467,063 | $107.4T | 3621725.57% | |
| 9 | XNCRXENCOR INC | 5,282,516 | $106.4T | 3590342.24% | |
| 10 | TNGXTANGO THERAPEUTICS INC | 8,721,636 | $98.2T | 3312503.34% | |
| 11 | ZYMEZYMEWORKS INC | 13,437,473 | $85.2T | 2873603.49% | |
| 12 | SWTXSPRINGWORKS THERAPEUTICS INC | 3,460,208 | $80.0T | 2698422.91% | |
| 13 | KURAKURA ONCOLOGY INC | 5,806,871 | $53.0T | 1786310.70% | |
| 14 | JAZZJAZZ PHARMACEUTICALS PLC | 368,411 | $47.7T | 1608500.03% | |
| 15 | CRNXCRINETICS PHARMACEUTICALS IN | 1,530,263 | $45.5T | 1535065.90% | |
| 16 | CNTACENTESSA PHARMACEUTICALS PLC | 5,618,779 | $36.4T | 1226213.83% | |
| 17 | RLAYRELAY THERAPEUTICS INC | 4,163,824 | $35.0T | 1181158.94% | |
| 18 | MORFMORPHIC HLDG INC | 1,480,190 | $33.9T | 1143832.77% | |
| 19 | VYGRVOYAGER THERAPEUTICS INC | 3,851,507 | $29.8T | 1006821.24% | |
| 20 | NMRANEUMORA THERAPEUTICS INC. | 2,071,450 | $29.2T | 985874.09% | |
| 21 | ALECALECTOR INC | 4,056,548 | $26.3T | 886648.74% | |
| 22 | NUVBNUVATION BIO INC | 19,209,643 | $25.7T | 868248.57% | |
| 23 | —MERSANA THERAPEUTICS INC | 19,364,688 | $24.6T | 829534.03% | |
| 24 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $23.5T | 792351.86% | |
| 25 | GRPHGRAPHITE BIO INC | 8,538,446 | $21.2T | 714250.40% | |
| 26 | AVIRATEA PHARMACEUTICALS INC | 6,995,861 | $21.0T | 707917.10% | |
| 27 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $20.7T | 697519.00% | |
| 28 | EWTXEDGEWISE THERAPEUTICS INC | 3,493,194 | $20.0T | 675145.40% | |
| 29 | THRDTHIRD HARMONIC BIO INC | 2,982,444 | $19.1T | 642825.55% | |
| 30 | SLRNACELYRIN INC | 1,402,201 | $14.3T | 481006.78% | |
| 31 | ALLOALLOGENE THERAPEUTICS INC | 4,488,200 | $14.2T | 479900.77% | |
| 32 | TCRXTSCAN THERAPEUTICS INC | 5,000,000 | $12.8T | 431747.62% | |
| 33 | DCPHEURDECIPHERA PHARMACEUTICALS IN | 993,000 | $12.6T | 426045.85% | |
| 34 | GBIOGBXGENERATION BIO CO | 2,046,867 | $7.8T | 261666.92% | |
| 35 | GOSSGOSSAMER BIO INC | 9,195,404 | $7.7T | 258304.21% | |
| 36 | PHATPHATHOM PHARMACEUTICALS INC | 700,000 | $7.3T | 244848.12% | |
| 37 | NGMUSDNGM BIOPHARMACEUTICALS INC | 6,435,518 | $6.9T | 232266.86% | |
| 38 | PRMEPRIME MEDICINE INC | 600,000 | $5.7T | 193072.14% | |
| 39 | PRQRPROQR THRAPEUTICS N V | 2,980,016 | $3.9T | 130671.82% | |
| 40 | PRLDPRELUDE THERAPEUTICS INC | 1,157,452 | $3.6T | 120637.27% | |
| 41 | ALGSALIGOS THERAPEUTICS INC | 3,948,360 | $2.9T | 99484.94% | |
| 42 | HOOKGBPHOOKIPA PHARMA INC | 4,595,024 | $2.8T | 95474.75% | |
| 43 | SYREAEGLEA BIOTHERAPEUTICS INC | 199,996 | $2.4T | 82637.54% | |
| 44 | ALLKGUSDALLAKOS INC | 748,900 | $1.7T | 57341.58% | |
| 45 | NUVB/WSNUVATION BIO INC | 963,333 | $1.3T | 43541.27% | |
| 46 | NAMSNEWAMSTERDAM PHARMA COMPANY | 66,665 | $616.7B | 20799.81% | |
| 47 | OVASUSDTEMPEST THERAPEUTICS INC | 931,000 | $283.7B | 9568.47% | |
| 48 | —CAREMAX INC | 100,000 | $212.0B | 7150.82% | |
| 49 | SRZNWSURROZEN INC | 66,665 | $32.7B | 1101.83% |