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Avidity Partners Management LP

SEC CIK
0001791827
Latest filing
Aug 14, 2026

Holdings in Q4 2024

Holdings as of Dec 31, 2024, filed Feb 14, 2025. Long positions only; changes compare share counts with Q3 2024.

Institution overview
Positions
61
−20 vs. Q3 2024
Portfolio value
$1.00B
−$957.2M (−48.8%) vs. Q3 2024
Filed
Feb 14, 2025
SEC
Holdings of Avidity Partners Management LP in Q4 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
DNTHDianthus Therapeutics, Inc.COM2,873,000$62.6M6.2%−44,231−1.5%ReducedHistory
BSXBoston Scientific CorpStock515,000$46.0M4.6%−447,000−46.5%ReducedHistory
JANXJanux Therapeutics, Inc.COM741,900$39.7M4.0%+179,900+32.0%AddedHistory
NTRANatera, Inc.COM223,800$35.4M3.5%−332,600−59.8%ReducedHistory
EXASExact Sciences CorpCOM603,011$33.9M3.4%+15,011+2.6%AddedHistory
ISRGIntuitive Surgical IncCOM NEW64,800$33.8M3.4%−83,400−56.3%ReducedHistory
CGONCG Oncology, Inc.COM1,097,800$31.5M3.1%−558,200−33.7%ReducedHistory
UNHUnitedHealth Group IncStock60,000$30.4M3.0%−27,400−31.4%ReducedHistory
NBIXNeurocrine Biosciences IncStock220,400$30.1M3.0%−239,600−52.1%ReducedHistory
IDYAIDEAYA Biosciences, Inc.COM1,126,700$29.0M2.9%−246,300−17.9%ReducedHistory
JAZZJazz Pharmaceuticals plcSHS USD234,500$28.9M2.9%−196,500−45.6%ReducedHistory
MIRMMirum Pharmaceuticals, Inc.COM666,200$27.5M2.7%−64,904−8.9%ReducedHistory
ACHCAcadia Healthcare Company, Inc.COM658,000$26.1M2.6%−327,000−33.2%ReducedHistory
ARVNArvinas, Inc.COM1,358,000$26.0M2.6%−139,000−9.3%ReducedHistory
GKOSGLAUKOS CorpCOM170,000$25.5M2.5%−174,900−50.7%ReducedHistory
DXCMDexcom IncCOM318,000$24.7M2.5%+78,000+32.5%AddedHistory
TMOThermo Fisher Scientific Inc.Stock44,600$23.2M2.3%−24,000−35.0%ReducedHistory
HUMHumana IncStock89,200$22.6M2.3%−40,500−31.2%ReducedHistory
KYMRKymera Therapeutics, Inc.COM500,000$20.1M2.0%00.0%UnchangedHistory
AVTRAvantor, Inc.COM947,000$20.0M2.0%−288,000−23.3%ReducedHistory
SNDXSyndax Pharmaceuticals IncCOM1,500,000$19.8M2.0%−955,000−38.9%ReducedHistory
CNTACentessa Pharmaceuticals plcSPONSORED ADS1,165,800$19.5M1.9%−966,200−45.3%ReducedHistory
RVMDRevolution Medicines, Inc.COM446,200$19.5M1.9%−343,800−43.5%ReducedHistory
XENEXenon Pharmaceuticals Inc.COM474,000$18.6M1.9%−344,000−42.1%ReducedHistory
THCTenet Healthcare CorpCOM NEW137,000$17.3M1.7%−116,000−45.8%ReducedHistory
INSMINSMED IncCOM PAR $.01232,800$16.1M1.6%−359,200−60.7%ReducedHistory
AXSMAxsome Therapeutics, Inc.COM188,000$15.9M1.6%−108,100−36.5%ReducedHistory
BPMCBlueprint Medicines CorpCOM176,600$15.4M1.5%−138,400−43.9%ReducedHistory
DHRDanaher CorpStock67,000$15.4M1.5%−28,000−29.5%ReducedHistory
RAREUltragenyx Pharmaceutical Inc.COM352,000$14.8M1.5%−400,000−53.2%ReducedHistory
ILMNIllumina, Inc.COM109,700$14.7M1.5%−182,300−62.4%ReducedHistory
ABBVAbbVie Inc.Stock80,700$14.3M1.4%−19,300−19.3%ReducedHistory
RCKTRocket Pharmaceuticals, Inc.COM1,053,300$13.2M1.3%+304,300+40.6%AddedHistory
BMYBristol Myers Squibb CoStock215,000$12.2M1.2%−48,000−18.3%ReducedHistory
TMDXTransMedics Group, Inc.COM192,400$12.0M1.2%+164,800+597.1%AddedHistory
PHATPhathom Pharmaceuticals, Inc.COM1,390,100$11.3M1.1%−414,393−23.0%ReducedHistory
SGRYSurgery Partners, Inc.Stock514,200$10.9M1.1%−312,800−37.8%ReducedHistory
ORICOric Pharmaceuticals, Inc.COM1,265,200$10.2M1.0%−181,919−12.6%ReducedHistory
NAMSNewAmsterdam Pharma Co N.V.ORDINARY SHARES354,000$9.10M0.9%−535,700−60.2%ReducedHistory
INCYIncyte CorpCOM129,600$8.95M0.9%−178,510−57.9%ReducedHistory
CATXPerspective Therapeutics, Inc.COM NEW2,694,600$8.60M0.9%−749,402−21.8%ReducedHistory
ASNDAscendis Pharma A/SSPONSORED ADR62,000$8.54M0.9%−57,000−47.9%ReducedHistory
BHVNBiohaven Ltd.COM222,900$8.33M0.8%−242,100−52.1%ReducedHistory
ITCIIntra-Cellular Therapies, Inc.COM97,000$8.10M0.8%−136,000−58.4%ReducedHistory
IMUXImmunic, Inc.COM7,966,400$7.97M0.8%−299,600−3.6%ReducedHistory
CNTXContext Therapeutics Inc.COM7,477,200$7.85M0.8%+60,045+0.8%AddedHistory
ORKAOruka Therapeutics, Inc.COM352,124$6.83M0.7%−438,802−55.5%ReducedHistory
REGNRegeneron Pharmaceuticals, Inc.COM8,400$5.98M0.6%+8,400NewHistory
BRKRBruker CorpCOM76,300$4.47M0.4%+76,300NewHistory
VERAVera Therapeutics, Inc.CL A100,000$4.23M0.4%+100,000NewHistory
RGNXREGENXBIO Inc.COM532,000$4.11M0.4%−600,564−53.0%ReducedHistory
QUREuniQure N.V.SHS222,000$3.92M0.4%−451,618−67.0%ReducedHistory
KZRKezar Life Sciences, Inc.COM502,600$3.38M0.3%00.0%UnchangedConverted for a 1-for-10 splitHistory
KROSKeros Therapeutics, Inc.COM210,000$3.32M0.3%−83,200−28.4%ReducedHistory
AKROAkero Therapeutics, Inc.COM82,000$2.28M0.2%+82,000NewHistory
DYNDyne Therapeutics, Inc.COM96,000$2.26M0.2%−69,000−41.8%ReducedHistory
COGTCogent Biosciences, Inc.COM287,104$2.24M0.2%−713,896−71.3%ReducedHistory
SCYXScynexis IncCOM NEW1,228,910$1.49M0.1%−219,818−15.2%ReducedHistory
KPTIKaryopharm Therapeutics Inc.COM2,018,500$1.37M0.1%00.0%UnchangedHistory
HYPRHyperfine, Inc.COM CL A1,188,178$1.05M0.1%00.0%UnchangedHistory
BLUEbluebird bio, Inc.COM NEW81,555$680.2K0.1%00.0%UnchangedConverted for a 1-for-20 splitHistory

Options (2)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Avidity Partners Management LP in Q4 2024
SecurityClassPutsCalls
ARVNArvinas, Inc.COM–$13.4M
NMRANeumora Therapeutics, Inc.COM–$1.59M

Sold out since Q3 2024 (24)

Positions held at the end of Q3 2024 that are gone from this filing.

Positions of Avidity Partners Management LP sold out since Q3 2024
SecurityClassShares in Q3 2024Value in Q3 2024% of portfolio in Q3 2024History
NMRANeumora Therapeutics, Inc.COM1,800,000$23.8M1.2%History
BMRNBiomarin Pharmaceutical IncCOM320,000$22.5M1.1%History
ARGXArgenx SESPONSORED ADR38,200$20.7M1.1%History
GPCRStructure Therapeutics Inc.SPONSORED ADS430,900$18.9M1.0%History
NGNENeurogene Inc.COM425,041$17.8M0.9%History
TERNTerns Pharmaceuticals, Inc.COM2,133,872$17.8M0.9%History
BNTXBioNTech SESPONSORED ADS145,000$17.2M0.9%History
ZTSZoetis Inc.Stock71,000$13.9M0.7%History
IMNMImmunome Inc.COM873,891$12.8M0.7%History
APGEApogee Therapeutics, Inc.COM154,000$9.05M0.5%History
PRVAPrivia Health Group, Inc.COM466,800$8.50M0.4%History
HELPHelus Pharma Inc.COM NEW918,000$8.16M0.4%History
ESTAEstablishment Labs Holdings Inc.COM169,000$7.31M0.4%History
CGEMCullinan Therapeutics, Inc.COM425,000$7.11M0.4%History
IMCRImmunocore Holdings plcADS200,000$6.23M0.3%History
SNYSanofiSPONSORED ADR100,000$5.76M0.3%History
EDITEditas Medicine, Inc.COM1,465,000$5.00M0.3%History
IMVTImmunovant, Inc.COM99,000$2.82M0.1%History
ANROAlto Neuroscience, Inc.COM SHS240,000$2.75M0.1%History
PRMEPrime Medicine, Inc.COM694,000$2.69M0.1%History
SYRSSyros Pharmaceuticals, Inc.COM NEW1,063,000$2.29M0.1%History
TILInstil Bio, Inc.COM NEW29,100$1.96M0.1%History
PRLDPrelude Therapeutics IncCOM890,000$1.84M0.1%History
CMAXCareMax, Inc.COMM STK21,200$36.0K<0.1%History