Live Markets
Wednesday, July 29, 2026·George Town, KY·29°·Partly Cloudy
Markets Open · NYSE·Newsletter·Masthead·
VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
13F HOLDINGS REPORT

Avidity Partners Management LP

Quarter ended Q1 2023 · Filed February 14, 2023 · Accession 0001791827-23-000002

Total Value
$4.62B
Positions
85
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (85)

#IssuerTicker / CUSIPSharesValue% of Filing
1SPDR SER TR78464A8704,062,000$337.1M7.30%
2ARGENX SEARGX625,000$236.8M5.13%
3UNITED THERAPEUTICS CORP DELUTHR785,500$218.4M4.73%
4NEUROCRINE BIOSCIENCES INCNBIX1,780,000$212.6M4.61%
5AKERO THERAPEUTICS INC00973Y1083,825,000$209.6M4.54%
6PROTHENA CORP PLCPRTA2,953,000$177.9M3.85%
7ARVINAS INCARVN4,950,000$169.3M3.67%
8BOSTON SCIENTIFIC CORPBSX3,256,700$150.7M3.26%
9SYNDAX PHARMACEUTICALS INCSNDX5,861,000$149.2M3.23%
10ULTRAGENYX PHARMACEUTICAL INRARE2,990,000$138.5M3.00%
11SAREPTA THERAPEUTICS INCSRPT1,055,000$136.7M2.96%
12MADRIGAL PHARMACEUTICALS INCMDGL430,000$124.8M2.70%
13UNIVERSAL HLTH SVCS INC913903100825,600$116.3M2.52%
14JAZZ PHARMACEUTICALS PLCJAZZ727,541$115.9M2.51%
15ZENTALIS PHARMACEUTICALS INCZNTL5,150,000$103.7M2.25%
16ACADIA HEALTHCARE COMPANY INACHC1,165,000$95.9M2.08%
17SURGERY PARTNERS INCSGRY3,112,000$86.7M1.88%
18DEXCOM INCDXCM756,800$85.7M1.86%
19ASTRAZENECA PLCAZN1,200,000$81.4M1.76%
20LILLY ELI & COLLY217,000$79.4M1.72%
21VAXCYTE INCPCVX1,615,400$77.5M1.68%
22AVIDITY BIOSCIENCES INC05370A1083,275,000$72.7M1.57%
23NATERA INCNTRA1,798,900$72.3M1.57%
24IDEAYA BIOSCIENCES INCIDYA3,824,800$69.5M1.51%
25IMMUNOCORE HLDGS PLCIMCR1,154,000$65.9M1.43%
26ALTIMMUNE INCALT3,990,000$65.6M1.42%
27REVOLUTION MEDICINES INCRVMDW2,475,000$59.0M1.28%
28KARUNA THERAPEUTICS INC48576A100299,000$58.8M1.27%
29ARROWHEAD PHARMACEUTICALS INARWR1,375,000$55.8M1.21%
30AXSOME THERAPEUTICS INCAXSM670,000$51.7M1.12%
31VERTEX PHARMACEUTICALS INCVRTX172,000$49.7M1.08%
32LEGEND BIOTECH CORPLEGN970,000$48.4M1.05%
33KEZAR LIFE SCIENCES INCKZR6,782,400$47.7M1.03%
34PLIANT THERAPEUTICS INCPLRX2,240,400$43.3M0.94%
35VENTYX BIOSCIENCES INC92332V1071,285,000$42.1M0.91%
36ICON PLCICLR215,000$41.8M0.90%
37QUEST DIAGNOSTICS INCDGX258,000$40.4M0.87%
38BIO RAD LABS INC09057220792,200$38.8M0.84%
39BELLUS HEALTH INC NEW07987C2044,599,998$37.8M0.82%
40TENET HEALTHCARE CORPTHC717,300$35.0M0.76%
41KARYOPHARM THERAPEUTICS INCKPTI9,633,911$32.8M0.71%
42BIONTECH SEBNTX215,400$32.4M0.70%
43VERVE THERAPEUTICS INC92539P1011,565,000$30.3M0.66%
44ROCKET PHARMACEUTICALS INCRCKTW1,527,087$29.9M0.65%
45INTRA-CELLULAR THERAPIES INC46116X101504,000$26.7M0.58%
46ARCUTIS BIOTHERAPEUTICS INCARQT1,755,000$26.0M0.56%
47PROMETHEUS BIOSCIENCES INC74349U108204,000$22.4M0.49%
48INTELLIA THERAPEUTICS INCNTLA638,200$22.3M0.48%
49VIR BIOTECHNOLOGY INCVIR850,000$21.5M0.47%
50PHATHOM PHARMACEUTICALS INCPHAT1,900,000$21.3M0.46%
51BIOHAVEN LTDBHVN1,492,000$20.7M0.45%
52CYTOKINETICS INCCYTK420,700$19.3M0.42%
53DECIPHERA PHARMACEUTICALS IN24344T1011,126,000$18.5M0.40%
54CARIBOU BIOSCIENCES INCCRBU2,882,600$18.1M0.39%
55IVERIC BIO INC46583P102838,407$18.0M0.39%
56POINT BIOPHARMA GLOBAL INC7305411092,432,400$17.7M0.38%
57NANOSTRING TECHNOLOGIES INC63009R1092,057,200$16.4M0.36%
58TWIST BIOSCIENCE CORPTWST611,000$14.5M0.32%
59BIOATLA INCBCAB1,260,000$10.4M0.23%
60COMPASS THERAPEUTICS INCCMPX2,000,000$10.1M0.22%
61SANGAMO THERAPEUTICS INCSGMO2,748,300$8.6M0.19%
62ALPINE IMMUNE SCIENCES INC02083G1001,028,200$7.6M0.16%
63KINNATE BIOPHARMA INC49705R1051,212,700$7.4M0.16%
64AN2 THERAPEUTICS INCANTX743,600$7.1M0.15%
65CENTURY THERAPEUTICS INCIPSC1,303,600$6.7M0.14%
66MEDICUS SCIENCES ACQUISITIONG5960S108520,000$5.2M0.11%
67GRAPHITE BIO INC38870X1041,575,000$5.2M0.11%
68ARYA SCIENCES ACQU CORP IVG31659108500,000$5.0M0.11%
69PANACEA ACQUISITION CORP IIG6882C106500,000$5.0M0.11%
70ESSA PHARMA INC29668H7081,855,400$4.7M0.10%
71HEALTH SCIENCES ACQ CORP 2G4411D109400,000$4.0M0.09%
72SYROS PHARMACEUTICALS INC87184Q206900,000$3.2M0.07%
73CYTEIR THERAPEUTICS INC23284P1031,795,800$3.0M0.06%
74CAREMAX INC14171W103755,329$2.8M0.06%
75SOCIAL CAP SUVRETTA HLDS CRPG8253U103200,000$2.0M0.04%
76SOCIAL CAP SUVRETTA HLDS CPG8253Y105200,000$2.0M0.04%
77SCYNEXIS INCSCYX1,140,600$1.8M0.04%
78HYPERFINE INCHYPR1,503,754$1.3M0.03%
79FATE THERAPEUTICS INCFATE104,653$1.1M0.02%
80ZAI LAB LTDZLAB31,309$961,1860.02%
81COLLEGIUM PHARMACEUTICAL INCCOLL37,898$879,2340.02%
82AC IMMUNE SAACIU325,400$663,8160.01%
83REUNION NEUROSCIENCE INC76134G103560,300$504,2700.01%
84NUVATION BIO INCNUVB99,999$14,4500.00%
85MEDICUS SCIENCES ACQUISITIONG5960S12457,770$5,1990.00%