EcoR1 Capital, LLC Q1 2024 Filing

Filed May 15, 2024

Portfolio Value

$4.0B

Holdings

57

Report Date

Q1 2024

Filing Type

13F-HR

All Holdings (57 positions)

#StockSharesValue% PortfolioType
1
APLSAPELLIS PHARMACEUTICALS INC
11,357,425$667.6T16885139.32%
2
PRTAPROTHENA CORP PLC
11,584,280$286.9T7257553.44%
3
ARVNARVINAS INC
6,726,491$277.7T7023012.51%
4
SRPTSAREPTA THERAPEUTICS INC
1,919,835$248.5T6286294.11%
5
CRNXCRINETICS PHARMACEUTICALS IN
4,155,375$194.5T4919761.54%
6
GLPGGALAPAGOS NV
5,756,268$185.4T4688048.19%
7
ANABANAPTYSBIO INC
7,521,024$169.4T4283912.07%
8
ZYMEZYMEWORKS INC
13,437,473$141.4T3575432.09%
9
KURAKURA ONCOLOGY INC
6,506,871$138.8T3510413.21%Call
10
JAZZJAZZ PHARMACEUTICALS PLC
1,013,952$122.1T3088241.17%
11
XNCRXENCOR INC
5,330,416$118.0T2983580.13%
12
ACADACADIA PHARMACEUTICALS INC
5,991,479$110.8T2801987.17%
13
TNGXTANGO THERAPEUTICS INC
13,330,736$105.8T2677132.21%
14
IMNMIMMUNOME INC
3,879,415$95.7T2421623.29%
15
CRSPCRISPR THERAPEUTICS AG
1,389,276$94.7T2395042.93%
16
MERSANA THERAPEUTICS INC
19,364,688$86.8T2194237.87%
17
MORFMORPHIC HLDG INC
2,384,384$83.9T2122824.31%
18
NUVBNUVATION BIO INC
19,209,643$69.9T1768544.00%
19
NGNENEUROGENE INC
1,271,342$64.7T1636723.68%
20
CNTACENTESSA PHARMACEUTICALS PLC
5,618,779$63.5T1605889.23%
21
ORICORIC PHARMACEUTICALS INC
3,418,068$47.0T1188717.31%
22
ADAPYADAPTIMMUNE THERAPEUTICS PLC
27,404,070$43.3T1095134.22%
23
TCRXTSCAN THERAPEUTICS INC
5,000,000$39.7T1004120.18%
24
VYGRVOYAGER THERAPEUTICS INC
3,917,546$36.5T922484.27%
25
THRDTHIRD HARMONIC BIO INC
3,182,444$30.0T759850.14%
26
NMRANEUMORA THERAPEUTICS INC.
2,071,450$28.5T720397.75%
27
TCE2CELLDEX THERAPEUTICS INC
650,000$27.3T689997.50%
28
5E7ITEOS THERAPEUTICS INC
1,999,249$27.3T689725.75%
29
LENZLENZ THERAPEUTICS INC
1,219,774$27.2T688911.25%
30
AVIRATEA PHARMACEUTICALS INC
6,145,861$24.8T627999.47%
31
ALECALECTOR INC
4,056,548$24.4T617658.33%
32
EWTXEDGEWISE THERAPEUTICS INC
1,250,385$22.8T576851.16%
33
NKTXNKARTA INC
2,000,000$21.6T546828.17%
34
PHVSPHARVARIS N V
900,000$20.8T526062.86%
35
PCVXVAXCYTE INC
300,000$20.5T518323.30%
36
MDGLMADRIGAL PHARMACEUTICALS INC
75,000$20.0T506562.19%
37
RNAAVIDITY BIOSCIENCES INC
757,576$19.3T488992.36%
38
OVIDOVID THERAPEUTICS INC
6,117,400$18.7T471912.96%
39
VERVVERVE THERAPEUTICS INC
1,250,000$16.6T419858.82%
40
KROSKEROS THERAPEUTICS INC
187,500$12.4T313945.64%
41
DYNDYNE THERAPEUTICS INC
427,039$12.1T306639.51%
42
KYTXKYVERNA THERAPEUTICS INC
450,000$11.2T282721.80%
43
GOSSGOSSAMER BIO INC
9,195,404$10.9T274440.39%
44
KODKODIAK SCIENCES INC
1,664,700$8.8T221471.02%Call
45
ALLOVIR INC
11,294,585$8.5T215652.69%
46
GBIOGBXGENERATION BIO CO
2,046,867$8.3T210707.13%
47
ATRAGBXATARA BIOTHERAPEUTICS INC
10,167,043$7.1T178463.47%
48
PRQRPROQR THRAPEUTICS N V
2,884,357$6.6T167055.47%
49
ALGSALIGOS THERAPEUTICS INC
6,389,468$6.3T158374.77%
50
ARQTARCUTIS BIOTHERAPEUTICS INC
500,000$5.0T125325.33%
51
PRMEPRIME MEDICINE INC
700,000$4.9T123934.23%
52
NUVB/WSNUVATION BIO INC
963,333$3.5T88689.66%
53
HOOKGBPHOOKIPA PHARMA INC
4,595,024$3.3T82749.04%
54
SRZNWSURROZEN INC
66,665$1.0T26489.22%
55
PMVPPMV PHARMACEUTICALS INC
566,879$963.7B24374.42%
56
CAREMAX INC
100,000$482.0B12191.08%
57
NVLSEURALPINE IMMUNE SCIENCES INC
1,000$39.6B1002.60%