EcoR1 Capital, LLC Q2 2022 Filing

Filed August 15, 2022

Portfolio Value

$2.9T

Holdings

80

Report Date

Q2 2022

Filing Type

13F-HR

All Holdings (80 positions)

#StockSharesValue% PortfolioType
1
PRTAPROTHENA CORP PLC
11,584,280$314.5B10.86%
2
APLSAPELLIS PHARMACEUTICALS INC
5,183,431$234.4B8.09%
3
SRPTSAREPTA THERAPEUTICS INC
2,868,145$215.0B7.42%
4
SGENUSDSEAGEN INC
1,008,628$178.5B6.16%
5
GLPGGALAPAGOS NV
3,197,500$178.4B6.16%
6
ANABANAPTYSBIO INC
7,521,024$152.7B5.27%
7
XNCRXENCOR INC
5,282,416$144.6B4.99%
8
ARVNARVINAS INC
3,123,300$131.5B4.54%
9
KURAKURA ONCOLOGY INC
6,638,371$121.7B4.20%
10
MORFMORPHIC HLDG INC
3,951,566$85.7B2.96%
11
ACADACADIA PHARMACEUTICALS INC
5,991,479$84.4B2.91%
12
ZLABZAI LAB LT
2,431,885$84.3B2.91%
13
RVMDREVOLUTION MEDICINES INC
4,278,069$83.4B2.88%
14
RLAYRELAY THERAPEUTICS INC
3,723,541$62.4B2.15%
15
RETAEURREATA PHARMACEUTICALS INC
1,975,611$60.0B2.07%
16
ALLOALLOGENE THERAPEUTICS INC
4,488,200$51.2B1.77%
17
ARGXARGENX SE
125,000$47.4B1.63%
18
TSVT*2SEVENTY BIO INC
3,495,943$46.1B1.59%
19
NUVBNUVATION BIO INC
13,896,543$45.0B1.55%
20
AVIRATEA PHARMACEUTICALS INC
6,340,639$45.0B1.55%
21
CERE1EURCEREVEL THERAPEUTICS HLDNG I
1,646,260$43.5B1.50%
22
ALECALECTOR INC
4,056,548$41.2B1.42%
23
RNAAVIDITY BIOSCIENCES INC
2,759,505$40.1B1.38%
24
DSGNDESIGN THERAPEUTICS INC
2,634,178$36.9B1.27%
25
VYGRVOYAGER THERAPEUTICS INC
4,753,907$28.1B0.97%
26
CRNXCRINETICS PHARMACEUTICALS IN
1,330,263$24.8B0.86%
27
GONGERON CORP
14,168,988$22.0B0.76%
28
ARQTARCUTIS BIOTHERAPEUTICS INC
895,503$19.1B0.66%
29
EWTXEDGEWISE THERAPEUTICS INC
2,359,808$18.8B0.65%
30
JANXJANUX THERAPEUTICS INC
1,421,319$17.4B0.60%
31
VTYXVENTYX BIOSCIENCES INC
1,300,000$15.9B0.55%
32
EX9EXELIXIS INC
760,000$15.8B0.55%Call
33
ORICORIC PHARMACEUTICALS INC
3,418,068$15.3B0.53%
34
CGEMCULLINAN ONCOLOGY INC
1,169,889$15.0B0.52%
35
INCYINCYTE CORP
182,783$13.9B0.48%
36
OVIDOVID THERAPEUTICS INC
6,117,400$13.2B0.45%
37
290ACHINOOK THERAPEUTICS INC
690,000$12.1B0.42%
38
GRCLGRACELL BIOTECHNOLOGIES INC
1,921,310$10.6B0.36%
39
TNGXTANGO THERAPEUTICS INC
2,302,065$10.4B0.36%
40
AKOUOS INC
1,975,984$9.3B0.32%
41
HOOKGBPHOOKIPA PHARMA INC
5,000,000$8.2B0.28%
42
DTILPRECISION BIOSCIENCES INC
5,035,971$8.1B0.28%
43
SURFUSDSURFACE ONCOLOGY INC
4,653,000$7.6B0.26%
44
NGMUSDNGM BIOPHARMACEUTICALS INC
541,108$6.9B0.24%
45
FRAZIER LIFESCIENCES ACQU CO
587,615$5.8B0.20%
46
5E7ITEOS THERAPEUTICS INC
279,999$5.8B0.20%
47
JIYA ACQUISITION CORP
500,000$4.9B0.17%
48
ALGSALIGOS THERAPEUTICS INC
3,948,360$4.8B0.16%
49
SELBUSDSELECTA BIOSCIENCES INC
3,500,000$4.6B0.16%
50
0HJQAVEO PHARMACEUTICALS INC
647,489$4.2B0.15%
51
HEALTH SCIENCES ACQ CORP 2
400,000$4.0B0.14%
52
ERASERASCA INC
678,441$3.8B0.13%
53
GRPHGRAPHITE BIO INC
1,162,179$3.2B0.11%
54
NUVB/WSNUVATION BIO INC
963,333$3.1B0.11%
55
TCE2CELLDEX THERAPEUTICS INC NEW
115,200$3.1B0.11%Put
56
SPRYSILVERBACK THERAPEUTICS INC
575,359$2.4B0.08%
57
OVASUSDTEMPEST THERAPEUTICS INC
1,031,268$2.2B0.08%
58
KINNATE BIOPHARMA INC
175,000$2.2B0.08%
59
BCLS ACQUISITION CORP
200,000$2.0B0.07%
60
EUCRATES BIOMEDICAL ACQU COR
200,000$2.0B0.07%
61
5 01 ACQUISITION CORP
200,000$2.0B0.07%
62
VERVVERVE THERAPEUTICS INC
98,593$1.5B0.05%
63
DYNDYNE THERAPEUTICS INC
215,000$1.5B0.05%
64
ARYA SCIENCES ACQU CORP IV
150,000$1.5B0.05%
65
OLMAOLEMA PHARMACEUTICALS INC
353,701$1.4B0.05%
66
MERSANA THERAPEUTICS INC
310,960$1.4B0.05%
67
CNTACENTESSA PHARMACEUTICALS PLC
292,320$1.4B0.05%
68
ADVMCHFADVERUM BIOTECHNOLOGIES INC
1,046,700$1.3B0.04%
69
KRON1USDKRONOS BIO INC
326,780$1.2B0.04%
70
TURMERIC ACQUISITION CORP
100,000$993.0M0.03%
71
EUCRATES BIOMEDICAL ACQU COR
66,666$660.0M0.02%
72
FRAZIER LIFESCIENCES ACQU CO
66,665$658.0M0.02%
73
PARDES BIOSCIENCES INC
200,000$614.0M0.02%
74
PRAXPRAXIS PRECISION MEDICINES I
210,100$515.0M0.02%
75
OMEGA ALPHA SPAC
50,000$493.0M0.02%
76
EVELO BIOSCIENCES INC
200,417$423.0M0.01%
77
CAREMAX INC
100,000$363.0M0.01%
78
TURMERIC ACQUISITION CORP
33,333$331.0M0.01%
79
BOLT1EURBOLT BIOTHERAPEUTICS INC
150,000$306.0M0.01%
80
SRZNWSURROZEN INC
66,665$200.0M0.01%