EcoR1 Capital, LLC Q1 2022 Filing
Filed May 16, 2022
Portfolio Value
$3.2T
Holdings
87
Report Date
Q1 2022
Filing Type
13F-HR
All Holdings (87 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 11,584,280 | $423.6B | 13.25% | |
| 2 | APLSAPELLIS PHARMACEUTICALS INC | 5,183,431 | $263.4B | 8.24% | |
| 3 | GLPGGALAPAGOS NV | 3,195,624 | $198.2B | 6.20% | |
| 4 | ANABANAPTYSBIO INC | 7,521,024 | $186.1B | 5.82% | |
| 5 | SRPTSAREPTA THERAPEUTICS INC | 2,069,634 | $161.7B | 5.06% | |
| 6 | MORFMORPHIC HLDG INC | 3,951,566 | $158.7B | 4.96% | |
| 7 | ACADACADIA PHARMACEUTICALS INC | 5,991,479 | $145.1B | 4.54% | |
| 8 | XNCRXENCOR INC | 4,968,756 | $132.6B | 4.15% | |
| 9 | KURAKURA ONCOLOGY INC | 6,638,371 | $106.7B | 3.34% | |
| 10 | RCUSARCUS BIOSCIENCES INC | 3,265,101 | $103.0B | 3.22% | |
| 11 | ARVNARVINAS INC | 1,503,929 | $101.2B | 3.17% | |
| 12 | ZLABZAI LAB LTD | 2,223,212 | $97.8B | 3.06% | |
| 13 | ALECALECTOR INC | 5,738,448 | $81.8B | 2.56% | |
| 14 | NUVBNUVATION BIO INC | 13,896,543 | $73.1B | 2.29% | |
| 15 | RLAYRELAY THERAPEUTICS INC | 2,291,441 | $68.6B | 2.15% | |
| 16 | RETAEURREATA PHARMACEUTICALS INC | 1,975,611 | $64.7B | 2.02% | |
| 17 | TSVT*2SEVENTY BIO INC | 3,495,943 | $59.6B | 1.87% | |
| 18 | CERE1EURCEREVEL THERAPEUTICS HLDNG I | 1,646,260 | $57.6B | 1.80% | |
| 19 | RNAAVIDITY BIOSCIENCES INC | 2,759,505 | $51.0B | 1.59% | |
| 20 | AVIRATEA PHARMACEUTICALS INC | 6,340,639 | $45.8B | 1.43% | |
| 21 | MRTXEURMIRATI THERAPEUTICS INC | 500,622 | $41.2B | 1.29% | |
| 22 | ARGXARGENX SE | 125,000 | $39.4B | 1.23% | |
| 23 | DSGNDESIGN THERAPEUTICS INC | 2,371,445 | $38.3B | 1.20% | |
| 24 | RVMDREVOLUTION MEDICINES INC | 1,274,097 | $32.5B | 1.02% | |
| 25 | PCVXVAXCYTE INC | 1,304,741 | $31.5B | 0.99% | |
| 26 | VYGRVOYAGER THERAPEUTICS INC | 3,557,507 | $27.1B | 0.85% | |
| 27 | BCYCBICYCLE THERAPEUTICS PLC | 547,453 | $24.0B | 0.75% | |
| 28 | EWTXEDGEWISE THERAPEUTICS INC | 2,359,808 | $22.9B | 0.72% | |
| 29 | EX9EXELIXIS INC | 951,333 | $21.6B | 0.67% | |
| 30 | JANXJANUX THERAPEUTICS INC | 1,421,319 | $20.4B | 0.64% | |
| 31 | GONGERON CORP | 14,285,714 | $19.4B | 0.61% | |
| 32 | OVIDOVID THERAPEUTICS INC | 6,117,400 | $19.2B | 0.60% | |
| 33 | SWTXSPRINGWORKS THERAPEUTICS INC | 325,881 | $18.4B | 0.58% | |
| 34 | ORICORIC PHARMACEUTICALS INC | 3,418,068 | $18.3B | 0.57% | |
| 35 | VTYXVENTYX BIOSCIENCES INC | 1,300,000 | $17.6B | 0.55% | |
| 36 | CRNXCRINETICS PHARMACEUTICALS IN | 790,209 | $17.3B | 0.54% | |
| 37 | ARQTARCUTIS BIOTHERAPEUTICS INC | 895,503 | $17.2B | 0.54% | |
| 38 | SURFUSDSURFACE ONCOLOGY INC | 4,653,000 | $13.7B | 0.43% | |
| 39 | PMVPPMV PHARMACEUTICALS INC | 649,786 | $13.5B | 0.42% | |
| 40 | HOOKGBPHOOKIPA PHARMA INC | 5,000,000 | $11.4B | 0.36% | |
| 41 | 290ACHINOOK THERAPEUTICS INC | 690,000 | $11.3B | 0.35% | |
| 42 | —AKOUOS INC | 1,975,984 | $9.4B | 0.29% | |
| 43 | PTGXPROTAGONIST THERAPEUTICS INC | 381,711 | $9.0B | 0.28% | |
| 44 | ALGSALIGOS THERAPEUTICS INC | 3,948,360 | $8.5B | 0.27% | |
| 45 | NGMUSDNGM BIOPHARMACEUTICALS INC | 541,108 | $8.3B | 0.26% | |
| 46 | 1K0IGM BIOSCIENCES INC | 298,597 | $8.0B | 0.25% | |
| 47 | ERASERASCA INC | 678,441 | $5.8B | 0.18% | |
| 48 | —FRAZIER LIFESCIENCES ACQU CO CL A | 587,615 | $5.8B | 0.18% | |
| 49 | TNGXTANGO THERAPEUTICS INC | 761,971 | $5.8B | 0.18% | |
| 50 | ZNTLZENTALIS PHARMACEUTICALS INC | 115,236 | $5.3B | 0.17% | |
| 51 | GRPHGRAPHITE BIO INC | 1,024,279 | $5.2B | 0.16% | |
| 52 | NUVB/WSNUVATION BIO INC | 963,333 | $5.1B | 0.16% | |
| 53 | —JIYA ACQUISITION CORP | 500,000 | $4.9B | 0.15% | |
| 54 | CCCCC4 THERAPEUTICS INC | 200,000 | $4.9B | 0.15% | |
| 55 | CNTACENTESSA PHARMACEUTICALS PLC | 454,545 | $4.1B | 0.13% | |
| 56 | —HEALTH SCIENCES ACQ CORP 2 ORD | 400,000 | $4.0B | 0.12% | |
| 57 | GRCLGRACELL BIOTECHNOLOGIES INC | 1,559,710 | $3.6B | 0.11% | |
| 58 | NRIXNURIX THERAPEUTICS INC | 254,473 | $3.6B | 0.11% | |
| 59 | SLDBSOLID BIOSCIENCES INC | 2,565,102 | $3.1B | 0.10% | |
| 60 | KRON1USDKRONOS BIO INC | 326,780 | $2.4B | 0.07% | |
| 61 | 5E7ITEOS THERAPEUTICS INC | 72,821 | $2.3B | 0.07% | |
| 62 | VERVVERVE THERAPEUTICS INC | 98,593 | $2.3B | 0.07% | |
| 63 | MLTXHELIX ACQUISITION CORP | 200,000 | $2.2B | 0.07% | |
| 64 | DYNDYNE THERAPEUTICS INC | 215,000 | $2.1B | 0.06% | |
| 65 | —BCLS ACQUISITION CORP | 200,000 | $2.0B | 0.06% | |
| 66 | —KINNATE BIOPHARMA INC | 175,000 | $2.0B | 0.06% | |
| 67 | —5 01 ACQUISITION CORP | 200,000 | $2.0B | 0.06% | |
| 68 | —EUCRATES BIOMEDICAL ACQU COR | 200,000 | $2.0B | 0.06% | |
| 69 | ACIUAC IMMUNE SA | 485,005 | $1.9B | 0.06% | |
| 70 | —ARYA SCIENCES ACQU CORP IV | 150,000 | $1.5B | 0.05% | |
| 71 | —PARDES BIOSCIENCES INC | 200,000 | $1.4B | 0.04% | |
| 72 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 1,046,700 | $1.4B | 0.04% | |
| 73 | —MERSANA THERAPEUTICS INC | 326,578 | $1.3B | 0.04% | |
| 74 | SPRYSILVERBACK THERAPEUTICS INC | 329,537 | $1.2B | 0.04% | |
| 75 | BCELATRECA INC | 358,780 | $1.1B | 0.04% | |
| 76 | —APPLIED MOLECULAR TRANS INC | 131,693 | $990.0M | 0.03% | |
| 77 | —TURMERIC ACQUISITION CORP | 100,000 | $985.0M | 0.03% | |
| 78 | —CAREMAX INC | 100,000 | $747.0M | 0.02% | |
| 79 | RPTXREPARE THERAPEUTICS INC | 50,000 | $712.0M | 0.02% | |
| 80 | CRBUCARIBOU BIOSCIENCES INC | 75,000 | $689.0M | 0.02% | |
| 81 | —EUCRATES BIOMEDICAL ACQU COR | 66,666 | $656.0M | 0.02% | Call |
| 82 | —FRAZIER LIFESCIENCES ACQU CO | 66,665 | $655.0M | 0.02% | |
| 83 | —OMEGA ALPHA SPAC | 50,000 | $491.0M | 0.02% | |
| 84 | BOLT1EURBOLT BIOTHERAPEUTICS INC | 150,000 | $411.0M | 0.01% | |
| 85 | —TURMERIC ACQUISITION CORP | 33,333 | $328.0M | 0.01% | |
| 86 | —RADIUS HEALTH INC | 35,000 | $309.0M | 0.01% | |
| 87 | SRZNWSURROZEN INC | 66,665 | $201.0M | 0.01% |