EcoR1 Capital, LLC Q4 2024 Filing
Filed February 14, 2025
Portfolio Value
$2.6T
Holdings
57
Report Date
Q4 2024
Filing Type
13F-HR
All Holdings (57 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | APLSAPELLIS PHARMACEUTICALS INC | 11,890,843 | $379.4B | 14.35% | |
| 2 | ZYMEZYMEWORKS INC | 15,028,079 | $220.0B | 8.32% | |
| 3 | CRNXCRINETICS PHARMACEUTICALS IN | 4,288,120 | $219.3B | 8.29% | |
| 4 | JAZZJAZZ PHARMACEUTICALS PLC | 1,706,469 | $210.2B | 7.95% | |
| 5 | PRTAPROTHENA CORP PLC | 11,584,280 | $160.4B | 6.07% | |
| 6 | XNCRXENCOR INC | 6,144,767 | $141.2B | 5.34% | |
| 7 | PFEPFIZER INC | 5,000,000 | $132.7B | 5.01% | Call |
| 8 | ARVNARVINAS INC | 6,726,491 | $128.9B | 4.87% | |
| 9 | ANABANAPTYSBIO INC | 7,873,448 | $104.2B | 3.94% | |
| 10 | SRPTSAREPTA THERAPEUTICS INC | 770,000 | $93.6B | 3.54% | |
| 11 | JANXJANUX THERAPEUTICS INC | 1,469,818 | $78.7B | 2.98% | |
| 12 | QUREUNIQURE NV | 3,785,000 | $66.8B | 2.53% | Call |
| 13 | SWTXSPRINGWORKS THERAPEUTICS INC | 1,560,000 | $56.4B | 2.13% | |
| 14 | CRSPCRISPR THERAPEUTICS AG | 1,389,276 | $54.7B | 2.07% | |
| 15 | IMNMIMMUNOME INC | 3,879,415 | $41.2B | 1.56% | |
| 16 | TECXTECTONIC THERAPEUTIC INC | 849,143 | $39.2B | 1.48% | |
| 17 | TNGXTANGO THERAPEUTICS INC | 10,630,736 | $32.8B | 1.24% | |
| 18 | THRDTHIRD HARMONIC BIO INC | 3,182,444 | $32.7B | 1.24% | |
| 19 | KURAKURA ONCOLOGY INC | 3,557,269 | $31.0B | 1.17% | |
| 20 | NGNENEUROGENE INC | 1,271,342 | $29.1B | 1.10% | |
| 21 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $27.6B | 1.04% | |
| 22 | ETONETON PHARMACEUTICALS INC | 1,981,003 | $26.4B | 1.00% | Call |
| 23 | MBXMBX BIOSCIENCES INC | 1,259,273 | $23.2B | 0.88% | |
| 24 | MDGLMADRIGAL PHARMACEUTICALS INC | 75,000 | $23.1B | 0.87% | |
| 25 | VYGRVOYAGER THERAPEUTICS INC | 3,917,546 | $22.2B | 0.84% | |
| 26 | NMRANEUMORA THERAPEUTICS INC. | 2,071,450 | $22.0B | 0.83% | |
| 27 | CRGXCARGO THERAPEUTICS INC | 1,470,000 | $21.2B | 0.80% | |
| 28 | MLTXMOONLAKE IMMUNOTHERAPEUTICS | 332,522 | $18.0B | 0.68% | |
| 29 | DNAGINKGO BIOWORKS HOLDINGS INC | 1,743,344 | $17.1B | 0.65% | |
| 30 | RNAAVIDITY BIOSCIENCES INC | 557,576 | $16.2B | 0.61% | |
| 31 | —MERSANA THERAPEUTICS INC | 11,328,000 | $16.2B | 0.61% | |
| 32 | TCRXTSCAN THERAPEUTICS INC | 5,000,000 | $15.2B | 0.57% | |
| 33 | ADAPYADAPTIMMUNE THERAPEUTICS PLC | 27,404,070 | $14.8B | 0.56% | |
| 34 | KYMRKYMERA THERAPEUTICS INC | 350,000 | $14.1B | 0.53% | |
| 35 | DYNDYNE THERAPEUTICS INC | 555,644 | $13.1B | 0.49% | |
| 36 | BCYCBICYCLE THERAPEUTICS PLC | 910,000 | $12.7B | 0.48% | |
| 37 | AVIRATEA PHARMACEUTICALS INC | 3,341,653 | $11.2B | 0.42% | |
| 38 | DAWNDAY ONE BIOPHARMACEUTICALS I | 862,068 | $10.9B | 0.41% | |
| 39 | REPLREPLIMUNE GROUP INC | 850,341 | $10.3B | 0.39% | |
| 40 | ALGSALIGOS THERAPEUTICS INC | 255,573 | $10.2B | 0.38% | |
| 41 | ATRAATARA BIOTHERAPEUTICS INC | 532,134 | $7.1B | 0.27% | |
| 42 | VERVVERVE THERAPEUTICS INC | 1,250,000 | $7.0B | 0.27% | |
| 43 | FATEFATE THERAPEUTICS INC | 3,049,405 | $5.0B | 0.19% | |
| 44 | GLPGGALAPAGOS NV | 155,006 | $4.3B | 0.16% | |
| 45 | —ALLOVIR INC | 408,688 | $3.9B | 0.15% | |
| 46 | KROSKEROS THERAPEUTICS INC | 187,500 | $3.0B | 0.11% | |
| 47 | RLAYRELAY THERAPEUTICS INC | 641,426 | $2.6B | 0.10% | |
| 48 | DSGNDESIGN THERAPEUTICS INC | 426,683 | $2.6B | 0.10% | |
| 49 | NUVB/WSNUVATION BIO INC | 963,333 | $2.6B | 0.10% | |
| 50 | GBIOGBXGENERATION BIO CO | 2,046,867 | $2.2B | 0.08% | |
| 51 | PRMEPRIME MEDICINE INC | 700,000 | $2.0B | 0.08% | |
| 52 | WHWKAADI BIOSCIENCE INC | 345,253 | $1.1B | 0.04% | |
| 53 | UPBUPSTREAM BIO INC | 60,000 | $986.4M | 0.04% | |
| 54 | SRZNWSURROZEN INC | 66,665 | $956.6M | 0.04% | |
| 55 | HOOKHOOKIPA PHARMA INC | 388,861 | $781.6M | 0.03% | |
| 56 | ARTVARTIVA BIOTHERAPEUTICS INC | 41,453 | $417.8M | 0.02% | |
| 57 | GLUEMONTE ROSA THERAPEUTICS INC | 21,700 | $150.6M | 0.01% | Call |