Investor

Avidity Partners Management LP

Portfolio Total Value

$1,088,921,000.00

Number of Stocks

70

Period of Reporting

2024-12-31

Stocks

Stock Value % Recent Activity Share Reported Price Current Price +/- Reported Price 52 Week Low 52 Week High
$62,631,000.0 6.7%
Reduced 1.52%
2,873,000 $21.8 $nan
Reduced nan%
$nan $nan
BSX $45,999,000.0 4.92%
Reduced 46.47%
515,000 $89.32 $45.29
Reduced 49.29%
$59.85 $101.14
JANX $39,721,000.0 4.25%
Added 32.01%
741,900 $53.54 $14.22
Reduced 73.44%
$7.79 $71.71
NTRA $35,427,000.0 3.79%
Reduced 59.78%
223,800 $158.3 $231.41
Added 46.18%
$62.96 $183.0
EXAS $33,883,000.0 3.62%
Added 2.55%
603,011 $56.19 $0.0
Reduced 100.0%
$0.0 $0.0
ISRG $33,823,000.0 3.62%
Reduced 56.28%
64,800 $521.96 $406.78
Reduced 22.07%
$362.14 $613.91
UNH $30,351,000.0 3.25%
Reduced 31.35%
60,000 $505.86 $400.96
Reduced 20.74%
$436.38 $630.73
NBIX $30,084,000.0 3.22%
Reduced 52.09%
220,400 $136.5 $158.29
Added 15.96%
$110.95 $157.98
IDYA $28,956,000.0 3.1%
Reduced 17.94%
1,126,700 $25.7 $31.23
Added 21.52%
$22.1 $47.74
JAZZ $28,878,000.0 3.09%
Reduced 45.59%
234,500 $123.15 $224.66
Added 82.43%
$99.06 $134.17
MIRM $27,547,000.0 2.95%
Reduced 8.88%
666,200 $41.35 $107.13
Added 159.08%
$23.14 $48.89
ACHC $26,089,000.0 2.79%
Reduced 33.2%
658,000 $39.65 $24.87
Reduced 37.28%
$36.5 $87.77
ARVN $26,032,000.0 2.78%
Reduced 9.29%
1,358,000 $19.17 $7.67
Reduced 59.99%
$17.08 $53.08
GKOS $25,489,000.0 2.73%
Reduced 50.71%
170,000 $149.94 $130.68
Reduced 12.85%
$83.9 $161.31
DXCM $24,730,000.0 2.65%
Added 32.5%
318,000 $77.77 $72.47
Reduced 6.81%
$62.34 $142.0
TMO $23,202,000.0 2.48%
Reduced 34.99%
44,600 $520.23 $464.61
Reduced 10.69%
$493.3 $627.88
HUM $22,630,000.0 2.42%
Reduced 31.23%
89,200 $253.71 $360.65
Added 42.15%
$213.31 $411.8
KYMR $20,115,000.0 2.15%
No Change
500,000 $40.23 $90.43
Added 124.78%
$29.24 $53.27
AVTR $19,953,000.0 2.13%
Reduced 23.32%
947,000 $21.07 $9.58
Reduced 54.53%
$19.59 $28.0
SNDX $19,830,000.0 2.12%
Reduced 38.9%
1,500,000 $13.22 $19.0
Added 43.72%
$12.06 $25.34
RVMD $19,516,000.0 2.09%
Reduced 43.52%
446,200 $43.74 $162.99
Added 272.63%
$26.95 $62.4
CNTA $19,527,000.0 2.09%
Reduced 45.32%
1,165,800 $16.75 $40.02
Added 138.93%
$7.38 $18.97
XENE $18,580,000.0 1.99%
Reduced 42.05%
474,000 $39.2 $52.91
Added 34.97%
$35.53 $50.99
THC $17,293,000.0 1.85%
Reduced 45.85%
137,000 $126.23 $172.57
Added 36.71%
$79.0 $171.2
INSM $16,072,000.0 1.72%
Reduced 60.68%
232,800 $69.04 $95.8
Added 38.76%
$21.92 $80.53
AXSM $15,906,000.0 1.7%
Reduced 36.51%
188,000 $84.61 $250.5
Added 196.06%
$64.11 $105.0
BPMC $15,403,000.0 1.65%
Reduced 43.94%
176,600 $87.22 $0.0
Reduced 100.0%
$0.0 $0.0
DHR $15,379,000.0 1.65%
Reduced 29.47%
67,000 $229.55 $177.17
Reduced 22.82%
$225.42 $281.7
RARE $14,808,000.0 1.58%
Reduced 53.19%
352,000 $42.07 $27.44
Reduced 34.78%
$37.02 $60.37
ILMN $14,659,000.0 1.57%
Reduced 62.43%
109,700 $133.63 $161.93
Added 21.18%
$97.36 $156.66
ABBV $14,340,000.0 1.53%
Reduced 19.3%
80,700 $177.7 $216.49
Added 21.83%
$153.58 $207.32
RCKT $13,239,000.0 1.42%
Added 40.63%
1,053,300 $12.57 $3.35
Reduced 73.35%
$10.1 $31.47
BMRN $22,492,000.0 1.32%
No Change
320,000 $70.29 $54.69
Reduced 22.19%
$60.63 $94.85
BMY $12,160,000.0 1.3%
Reduced 18.25%
215,000 $56.56 $54.0
Reduced 4.53%
$39.35 $61.08
TMDX $11,996,000.0 1.28%
Added 597.1%
192,400 $62.35 $78.79
Added 26.37%
$55.0 $177.37
ARGX $20,707,000.0 1.21%
No Change
38,200 $542.08 $877.72
Added 61.92%
$349.86 $678.21
PHAT $11,287,000.0 1.21%
Reduced 22.96%
1,390,100 $8.12 $10.88
Added 33.99%
$6.07 $19.71
SGRY $10,885,000.0 1.16%
Reduced 37.82%
514,200 $21.17 $14.55
Reduced 31.27%
$19.5 $35.3
ORIC $10,210,000.0 1.09%
Reduced 12.57%
1,265,200 $8.07 $8.49
Added 5.2%
$6.33 $16.65
TERN $17,796,000.0 1.04%
No Change
2,133,872 $8.34 $52.95
Added 534.89%
$4.32 $11.4
BNTX $17,221,000.0 1.01%
No Change
145,000 $118.77 $90.89
Reduced 23.47%
$76.53 $131.49
INCY $8,951,000.0 0.96%
Reduced 57.94%
129,600 $69.07 $98.22
Added 42.2%
$50.35 $83.95
ASND $8,535,000.0 0.91%
Reduced 47.9%
62,000 $137.67 $230.83
Added 67.67%
$111.09 $161.0
ITCI $8,101,000.0 0.87%
Reduced 58.37%
97,000 $83.52 $0.0
Reduced 100.0%
$0.0 $0.0
IMUX $7,966,000.0 0.85%
Reduced 3.62%
7,966,400 $1.0 $14.2
Added 1320.0%
$0.92 $2.11
CNTX $7,851,000.0 0.84%
Added 0.81%
7,477,200 $1.05 $0.63
Reduced 40.0%
$0.89 $2.75
ZTS $13,871,000.0 0.81%
No Change
71,000 $195.38 $78.71
Reduced 59.71%
$144.8 $200.53
IMNM $12,776,000.0 0.75%
No Change
873,891 $14.62 $18.74
Added 28.18%
$8.97 $30.96
REGN $5,983,000.0 0.64%
No Change
8,400 $712.33 $609.94
Reduced 14.37%
$666.25 $1,211.2
PRVA $8,500,000.0 0.5%
No Change
466,800 $18.21 $23.67
Added 29.98%
$15.92 $23.24
BRKR $4,472,000.0 0.48%
No Change
76,300 $58.62 $57.23
Reduced 2.37%
$48.07 $94.86
VERA $4,229,000.0 0.45%
No Change
100,000 $42.29 $35.09
Reduced 17.03%
$16.84 $51.61
RGNX $4,112,000.0 0.44%
Reduced 53.03%
532,000 $7.73 $7.8
Added 0.91%
$6.56 $28.8
ESTA $7,312,000.0 0.43%
No Change
169,000 $43.27 $84.81
Added 96.0%
$30.2 $60.12
CGEM $7,114,000.0 0.42%
No Change
425,000 $16.74 $15.03
Reduced 10.22%
$9.5 $30.19
QURE $3,920,000.0 0.42%
Reduced 67.04%
222,000 $17.66 $46.29
Added 162.12%
$3.73 $19.18
IMCR $6,226,000.0 0.36%
No Change
200,000 $31.13 $28.6
Reduced 8.13%
$27.69 $76.98
KROS $3,324,000.0 0.36%
Reduced 28.38%
210,000 $15.83 $10.65
Reduced 32.72%
$9.78 $73.0
SNY $5,763,000.0 0.34%
No Change
100,000 $57.63 $42.38
Reduced 26.46%
$45.22 $58.97
EDIT $4,995,000.0 0.29%
No Change
1,465,000 $3.41 $2.69
Reduced 21.11%
$1.12 $11.58
AKRO $2,281,000.0 0.24%
No Change
82,000 $27.82 $0.0
Reduced 100.0%
$0.0 $0.0
COGT $2,239,000.0 0.24%
Reduced 71.32%
287,104 $7.8 $34.54
Added 342.82%
$4.28 $12.61
DYN $2,261,000.0 0.24%
Reduced 41.82%
96,000 $23.56 $19.8
Reduced 15.96%
$13.99 $47.45
KZR $3,886,000.0 0.23%
No Change
5,026,000 $0.77 $7.29
Added 846.75%
$5.2 $11.4
IMVT $2,822,000.0 0.17%
No Change
99,000 $28.51 $35.34
Added 23.96%
$22.41 $40.12
SCYX $1,486,000.0 0.16%
Reduced 15.17%
1,228,910 $1.21 $4.05
Added 234.71%
$0.9 $3.07
KPTI $1,365,000.0 0.15%
No Change
2,018,500 $0.68 $9.02
Added 1226.47%
$0.58 $1.95
HYPR $1,045,000.0 0.11%
No Change
1,188,178 $0.88 $1.6
Added 81.82%
$0.76 $1.39
PRLD $1,842,000.0 0.11%
No Change
890,000 $2.07 $4.32
Added 108.7%
$0.8 $6.8
BLUE $847,000.0 0.05%
No Change
1,631,143 $0.52 $0.0
Reduced 100.0%
$0.0 $0.0

Call Options

Stock Options % Change
ARVN 700,000 0.0%
150,000 0.0%