Investor

EcoR1 Capital, LLC

Portfolio Total Value

$2,594,557,000.00

Number of Stocks

56

Period of Reporting

2024-12-31

Stocks

Stock Value % Recent Activity Share Reported Price Current Price +/- Reported Price 52 Week Low 52 Week High
APLS $379,436,000.0 16.52%
No Change
11,890,843 $31.91 $20.16
Reduced 36.82%
$24.34 $71.9
$220,011,000.0 9.58%
Added 11.84%
15,028,079 $14.64 $nan
Reduced nan%
$nan $nan
CRNX $219,251,000.0 9.54%
No Change
4,288,120 $51.13 $40.12
Reduced 21.53%
$35.51 $62.53
JAZZ $210,151,000.0 9.15%
No Change
1,706,469 $123.15 $190.46
Added 54.66%
$99.06 $134.17
PRTA $160,442,000.0 6.98%
No Change
11,584,280 $13.85 $9.4
Reduced 32.13%
$11.7 $34.17
XNCR $141,206,000.0 6.15%
Added 15.28%
6,144,767 $22.98 $12.02
Reduced 47.69%
$15.31 $27.24
ARVN $128,946,000.0 5.61%
No Change
6,726,491 $19.17 $13.36
Reduced 30.31%
$17.08 $53.08
ANAB $104,244,000.0 4.54%
Added 1.01%
7,873,448 $13.24 $52.83
Added 299.02%
$12.51 $41.31
SRPT $93,624,000.0 4.08%
No Change
770,000 $121.59 $16.32
Reduced 86.58%
$102.16 $173.25
JANX $78,694,000.0 3.43%
No Change
1,469,818 $53.54 $13.44
Reduced 74.9%
$7.79 $71.71
QURE $60,044,000.0 2.61%
No Change
3,400,000 $17.66 $10.5
Reduced 40.54%
$3.73 $19.18
SWTX $56,362,000.0 2.45%
No Change
1,560,000 $36.13 $0.0
Reduced 100.0%
$0.0 $0.0
CRSP $54,681,000.0 2.38%
No Change
1,389,276 $39.36 $58.06
Added 47.51%
$36.52 $91.1
CNTA $51,549,000.0 1.92%
No Change
3,223,851 $15.99 $26.2
Added 63.85%
$7.38 $18.97
IMNM $41,199,000.0 1.79%
No Change
3,879,415 $10.62 $21.54
Added 102.82%
$8.97 $30.96
VRDN $44,563,000.0 1.66%
No Change
1,958,847 $22.75 $29.32
Added 28.88%
$11.4 $27.2
NUVB $43,990,000.0 1.63%
No Change
19,209,643 $2.29 $4.36
Added 90.39%
$1.52 $4.16
PCVX $40,276,000.0 1.5%
No Change
352,464 $114.27 $61.98
Reduced 45.76%
$58.1 $121.06
TNGX $32,848,000.0 1.43%
Reduced 20.25%
10,630,736 $3.09 $11.5
Added 272.17%
$2.59 $13.01
KURA $30,983,000.0 1.35%
Reduced 38.74%
3,557,269 $8.71 $8.5
Reduced 2.41%
$6.98 $24.17
EWTX $33,372,000.0 1.24%
No Change
1,250,385 $26.69 $28.81
Added 7.94%
$14.9 $38.12
ORIC $27,583,000.0 1.2%
No Change
3,418,068 $8.07 $13.88
Added 72.0%
$6.33 $16.65
ETON $24,370,000.0 1.06%
Added 223.21%
1,829,603 $13.32 $18.15
Added 36.26%
$3.03 $15.71
MDGL $23,142,000.0 1.01%
No Change
75,000 $308.57 $425.85
Added 38.01%
$168.25 $368.29
VYGR $22,212,000.0 0.97%
No Change
3,917,546 $5.67 $4.15
Reduced 26.81%
$4.99 $10.66
CLDX $22,093,000.0 0.82%
No Change
650,000 $33.99 $28.94
Reduced 14.86%
$22.17 $53.18
MLTX $18,006,000.0 0.78%
No Change
332,522 $54.15 $17.68
Reduced 67.35%
$37.55 $64.98
IONS $20,030,000.0 0.74%
No Change
500,000 $40.06 $78.66
Added 96.36%
$31.4 $52.49
RNA $16,214,000.0 0.71%
Reduced 26.4%
557,576 $29.08 $15.67
Reduced 46.11%
$10.12 $56.0
MRSN $16,199,000.0 0.71%
Reduced 41.5%
11,328,000 $1.43 $29.08
Added 1933.57%
$0.53 $6.28
TCRX $15,200,000.0 0.66%
No Change
5,000,000 $3.04 $1.04
Reduced 65.79%
$2.31 $9.69
ADAP $14,762,000.0 0.64%
No Change
27,404,070 $0.54 $0.0
Reduced 100.0%
$0.0 $0.0
PHVS $16,668,000.0 0.62%
No Change
900,000 $18.52 $26.78
Added 44.6%
$15.21 $33.0
ITOS $16,423,000.0 0.61%
No Change
1,608,616 $10.21 $0.0
Reduced 100.0%
$0.0 $0.0
KYMR $14,080,000.0 0.61%
No Change
350,000 $40.23 $86.35
Added 114.64%
$29.24 $53.27
DYN $13,090,000.0 0.57%
No Change
555,644 $23.56 $14.6
Reduced 38.03%
$13.99 $47.45
BCYC $12,740,000.0 0.55%
No Change
910,000 $14.0 $5.5
Reduced 60.71%
$12.17 $28.67
AVIR $11,194,000.0 0.49%
Reduced 38.59%
3,341,653 $3.35 $4.82
Added 43.88%
$2.75 $4.6
DAWN $10,922,000.0 0.48%
No Change
862,068 $12.67 $10.03
Reduced 20.84%
$11.13 $18.07
REPL $10,297,000.0 0.45%
No Change
850,341 $12.11 $7.17
Reduced 40.79%
$4.92 $17.0
VERV $7,050,000.0 0.31%
No Change
1,250,000 $5.64 $0.0
Reduced 100.0%
$0.0 $0.0
FATE $5,031,000.0 0.22%
No Change
3,049,405 $1.65 $1.37
Reduced 16.97%
$1.04 $8.83
GLPG $4,262,000.0 0.19%
No Change
155,006 $27.5 $34.09
Added 23.96%
$23.49 $40.34
ALVR $3,947,000.0 0.17%
Reduced 96.38%
408,688 $9.66 $0.0
Reduced 100.0%
$0.0 $0.0
BBIO $4,332,000.0 0.16%
No Change
170,172 $25.46 $64.53
Added 153.46%
$21.62 $41.04
KROS $2,968,000.0 0.13%
No Change
187,500 $15.83 $13.91
Reduced 12.13%
$9.78 $73.0
RLAY $2,642,000.0 0.12%
Reduced 74.34%
641,426 $4.12 $9.79
Added 137.62%
$3.5 $11.16
PRQR $3,341,000.0 0.12%
No Change
1,835,991 $1.82 $1.5
Reduced 17.58%
$1.61 $4.62
DSGN $2,632,000.0 0.11%
Added 692.59%
426,683 $6.17 $10.0
Added 62.07%
$2.25 $7.77
NUVBWS $2,562,000.0 0.11%
No Change
963,333 $2.66 $0.0
Reduced 100.0%
$0.0 $0.0
GBIO $2,169,000.0 0.09%
No Change
2,046,867 $1.06 $5.34
Added 403.77%
$0.75 $4.65
AADI $1,089,000.0 0.05%
Reduced 81.29%
345,253 $3.15 $0.0
Reduced 100.0%
$0.0 $0.0
SRZNW $956,000.0 0.04%
No Change
66,665 $14.35 $0.02
Reduced 99.86%
$0.05 $0.05
CMAXW $170,000.0 0.01%
No Change
100,000 $1.7 $0.0
Reduced 100.0%
$0.0 $0.0
MGNX $184,000.0 0.01%
No Change
56,018 $3.29 $1.9
Reduced 42.25%
$2.91 $21.88
ALLK $125,000.0 0.0%
No Change
192,346 $0.65 $0.0
Reduced 100.0%
$0.0 $0.0

Call Options

Stock Options % Change
PFE 5,000,000 0.0%
QURE 385,000 0.0%
ETON 151,400 Reduced 33.6%
GLUE 21,700 0.0%