EcoR1 Capital, LLC Q3 2020 Filing

Filed November 16, 2020

Portfolio Value

$1.4T

Holdings

47

Report Date

Q3 2020

Filing Type

13F-HR

All Holdings (47 positions)

#StockSharesValue% PortfolioType
1
XNCRXENCOR INC
4,547,072$176.4B12.58%
2
KURAKURA ONCOLOGY INC
4,608,529$141.2B10.07%
3
RLAYRELAY THERAPEUTICS INC
3,200,649$136.3B9.72%
4
PRTAPROTHENA CORP PLC
9,426,640$94.2B6.71%
5
MORFMORPHIC HLDG INC
2,839,884$77.6B5.54%
6
MRTXEURMIRATI THERAPEUTICS INC
464,298$77.1B5.50%
7
ORICORIC PHARMACEUTICALS INC
2,642,218$66.1B4.71%
8
RNAAVIDITY BIOSCIENCES INC
2,103,950$59.2B4.22%
9
ANABANAPTYSBIO INC
3,223,324$47.5B3.39%
10
NEOLEUKIN THERAPEUTICS INC
3,862,931$46.4B3.31%
11
AKOUOS INC
1,975,984$45.2B3.22%
12
ASMBASSEMBLY BIOSCIENCES INC
2,566,182$42.2B3.01%Call
13
NRIXNURIX THERAPEUTICS INC
1,192,156$41.6B2.97%
14
APPLIED MOLECULAR TRANS INC
1,150,000$36.6B2.61%
15
BCELATRECA INC
2,426,685$33.9B2.42%
16
GONGERON CORP
19,230,769$33.5B2.39%
17
STROSUTRO BIOPHARMA INC
3,113,617$31.3B2.23%
18
RCUSARCUS BIOSCIENCES INC
1,810,000$31.0B2.21%
19
GOSS 5 06/01/27GOSSAMER BIO INC
30,000,000$31.0B2.21%
20
SURFUSDSURFACE ONCOLOGY INC
3,333,177$23.0B1.64%
21
CYCLERION THERAPEUTICS INC
2,742,276$16.7B1.19%
22
GLYCEURGLYCOMIMETICS INC
4,575,150$14.0B1.00%Call
23
ALLOVIR INC
447,012$12.3B0.88%
24
BCTG ACQUISITION CORP
800,000$8.3B0.59%
25
CONSTELLATION PHARMCETICLS I
400,000$8.1B0.58%Call
26
LIFESCI ACQUISITION CORP
630,505$7.8B0.56%
27
NVLSEURALPINE IMMUNE SCIENCES INC
741,290$6.5B0.46%
28
5E7ITEOS THERAPEUTICS INC
260,000$6.4B0.46%
29
DEERFIELD HEALTHCARE TECH AC
500,000$5.3B0.38%
30
PANACEA ACQUISITION CORP
390,000$4.7B0.33%
31
IRWDIRONWOOD PHARMACEUTICALS INC
500,000$4.5B0.32%Call
32
HEALTH SCIENCES ACQ CORP 2
400,000$4.4B0.31%
33
DYNDYNE THERAPEUTICS INC
215,000$4.3B0.31%
34
ACRSACLARIS THERAPEUTICS INC
1,531,312$3.9B0.28%
35
FS DEV CORP
350,000$3.9B0.28%
36
METACRINE INC
333,332$3.4B0.24%
37
KYMRKYMERA THERAPEUTICS INC
100,000$3.2B0.23%
38
RPRXROYALTY PHARMA PLC
50,000$2.1B0.15%
39
FIVE PRIME THERAPEUTICS INC
379,945$1.8B0.13%
40
EXICURE INC
1,017,801$1.8B0.13%
41
PMVPPMV PHARMACEUTICALS INC
50,000$1.8B0.13%
42
RPTXREPARE THERAPEUTICS INC
50,000$1.5B0.11%
43
MGTXMEIRAGTX HLDGS PLC
94,819$1.3B0.09%
44
ICPTUSDINTERCEPT PHARMACEUTICALS IN
25,300$1.0B0.07%Call
45
UNITY BIOTECHNOLOGY INC
296,000$1.0B0.07%
46
XOMAXOMA CORP DEL
50,809$957.0M0.07%
47
YB4PSAVARA INC
56,500$62.0M0.00%