Avidity Partners Management LP
- SEC CIK
- 0001791827
- Latest filing
- Aug 14, 2026
Holdings in Q2 2023
Holdings as of Jun 30, 2023, filed Aug 14, 2023. Long positions only; changes compare share counts with Q1 2023.
- Positions
- 93
- +10 vs. Q1 2023
- Portfolio value
- $2.86B
- −$149.5M (−5.0%) vs. Q1 2023
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| BDXBecton Dickinson & Co | Stock | 398,050 | $105.1M | 3.7% | +110,050+38.2% | Added | History |
| KRTXKaruna Therapeutics, Inc. | COM | 442,200 | $95.9M | 3.3% | +38,400+9.5% | Added | History |
| JAZZJazz Pharmaceuticals plc | SHS USD | 702,778 | $87.1M | 3.0% | +24,878+3.7% | Added | History |
| GEHCGE HealthCare Technologies Inc. | Stock | 1,045,400 | $84.9M | 3.0% | +1,045,400 | New | History |
| THCTenet Healthcare Corp | COM NEW | 990,500 | $80.6M | 2.8% | −481,500−32.7% | Reduced | History |
| ARGXArgenx SE | SPONSORED ADR | 184,300 | $71.8M | 2.5% | −96,400−34.3% | Reduced | History |
| IDYAIDEAYA Biosciences, Inc. | COM | 2,985,700 | $70.2M | 2.5% | −687,700−18.7% | Reduced | History |
| SGRYSurgery Partners, Inc. | Stock | 1,555,000 | $70.0M | 2.4% | −1,800,900−53.7% | Reduced | History |
| ABBVAbbVie Inc. | Stock | 518,400 | $69.8M | 2.4% | +518,400 | New | History |
| ARVNArvinas, Inc. | COM | 2,773,189 | $68.8M | 2.4% | −1,500,711−35.1% | Reduced | History |
| ZNTLZentalis Pharmaceuticals, Inc. | COM | 2,334,000 | $65.8M | 2.3% | −595,300−20.3% | Reduced | History |
| NBIXNeurocrine Biosciences Inc | Stock | 665,316 | $62.7M | 2.2% | −150,384−18.4% | Reduced | History |
| LLYEli Lilly & Co | Stock | 133,000 | $62.4M | 2.2% | +133,000 | New | History |
| SNDXSyndax Pharmaceuticals Inc | COM | 2,872,000 | $60.1M | 2.1% | −993,300−25.7% | Reduced | History |
| UHSUniversal Health Services Inc | CL B | 370,100 | $58.4M | 2.0% | −299,900−44.8% | Reduced | History |
| BIOBio-Rad Laboratories, Inc. | CL A | 152,600 | $57.9M | 2.0% | −68,900−31.1% | Reduced | History |
| CORCencora, Inc. | Stock | 300,000 | $57.7M | 2.0% | +173,400+137.0% | Added | History |
| PACBPacific Biosciences of California, Inc. | COM | 4,337,400 | $57.7M | 2.0% | +524,800+13.8% | Added | History |
| LEGNLegend Biotech Corp | SPONSORED ADS | 798,900 | $55.1M | 1.9% | −321,600−28.7% | Reduced | History |
| BIIBBiogen Inc. | COM | 174,000 | $49.6M | 1.7% | +45,200+35.1% | Added | History |
| AKROAkero Therapeutics, Inc. | COM | 1,025,000 | $47.9M | 1.7% | −1,422,000−58.1% | Reduced | History |
| Curevac N VN2451R105 | COM | 4,300,000 | $44.8M | 1.6% | +750,000+21.1% | Added | – |
| ACHCAcadia Healthcare Company, Inc. | COM | 550,000 | $43.8M | 1.5% | −615,300−52.8% | Reduced | History |
| PCVXVaxcyte, Inc. | COM | 875,000 | $43.7M | 1.5% | +365,000+71.6% | Added | History |
| MCKMcKesson Corp | Stock | 101,200 | $43.2M | 1.5% | +101,200 | New | History |
| APLSApellis Pharmaceuticals, Inc. | COM | 468,700 | $42.7M | 1.5% | +468,700 | New | History |
| BSXBoston Scientific Corp | Stock | 785,700 | $42.5M | 1.5% | −64,300−7.6% | Reduced | History |
| RAREUltragenyx Pharmaceutical Inc. | COM | 900,700 | $41.5M | 1.5% | −1,226,200−57.7% | Reduced | History |
| PFEPfizer Inc | Stock | 1,117,467 | $41.0M | 1.4% | +1,117,467 | New | History |
| IMVTImmunovant, Inc. | COM | 2,085,000 | $39.6M | 1.4% | +1,042,000+99.9% | Added | History |
| AXSMAxsome Therapeutics, Inc. | COM | 545,000 | $39.2M | 1.4% | −74,200−12.0% | Reduced | History |
| IMGNImmunoGen, Inc. | COM | 1,997,800 | $37.7M | 1.3% | +1,997,800 | New | History |
| ZTSZoetis Inc. | Stock | 217,000 | $37.4M | 1.3% | −190,500−46.7% | Reduced | History |
| PRTAProthena Corp Public Ltd Co | SHS | 535,000 | $36.5M | 1.3% | −533,200−49.9% | Reduced | History |
| VIRVir Biotechnology, Inc. | COM | 1,425,000 | $35.0M | 1.2% | −215,200−13.1% | Reduced | History |
| IMCRImmunocore Holdings plc | ADS | 575,000 | $34.5M | 1.2% | −194,800−25.3% | Reduced | History |
| SRPTSarepta Therapeutics, Inc. | COM | 297,500 | $34.1M | 1.2% | −118,500−28.5% | Reduced | History |
| ARWRArrowhead Pharmaceuticals, Inc. | COM | 925,000 | $33.0M | 1.2% | −816,300−46.9% | Reduced | History |
| BHVNBiohaven Ltd. | COM | 1,325,000 | $31.7M | 1.1% | −162,200−10.9% | Reduced | History |
| RVMDRevolution Medicines, Inc. | COM | 1,075,000 | $28.8M | 1.0% | −269,800−20.1% | Reduced | History |
| PRVAPrivia Health Group, Inc. | COM | 1,079,806 | $28.2M | 1.0% | +1,079,806 | New | History |
| PHATPhathom Pharmaceuticals, Inc. | COM | 1,949,700 | $27.9M | 1.0% | −98,900−4.8% | Reduced | History |
| BAXBaxter International Inc | Stock | 604,700 | $27.6M | 1.0% | +604,700 | New | History |
| FUSNFusion Pharmaceuticals Inc. | COM | 5,700,000 | $26.6M | 0.9% | 00.0% | Unchanged | History |
| RCKTRocket Pharmaceuticals, Inc. | COM | 1,326,000 | $26.3M | 0.9% | +81,600+6.6% | Added | History |
| BPMCBlueprint Medicines Corp | COM | 415,000 | $26.2M | 0.9% | +415,000 | New | History |
| EDITEditas Medicine, Inc. | COM | 3,000,000 | $24.7M | 0.9% | +3,000,000 | New | History |
| VTYXVentyx Biosciences, Inc. | COM | 692,500 | $22.7M | 0.8% | −1,225,300−63.9% | Reduced | History |
| NTRANatera, Inc. | COM | 432,900 | $21.1M | 0.7% | +183,000+73.2% | Added | History |
| LNTHLantheus Holdings, Inc. | Stock | 245,100 | $20.6M | 0.7% | +245,100 | New | History |
| MLTXMoonLake Immunotherapeutics | CLASS A ORD | 400,000 | $20.4M | 0.7% | +400,000 | New | History |
| VRNAVerona Pharma plc | SPONSORED ADS | 954,500 | $20.2M | 0.7% | +75,700+8.6% | Added | History |
| AMLXAmylyx Pharmaceuticals, Inc. | COM | 901,400 | $19.4M | 0.7% | +1,400+0.2% | Added | History |
| AXNXAxonics, Inc. | COM | 379,700 | $19.2M | 0.7% | +379,700 | New | History |
| XENEXenon Pharmaceuticals Inc. | COM | 481,300 | $18.5M | 0.6% | +481,300 | New | History |
| REGNRegeneron Pharmaceuticals, Inc. | COM | 24,800 | $17.8M | 0.6% | −94,300−79.2% | Reduced | History |
| ROIVRoivant Sciences Ltd. | SHS | 1,687,500 | $17.0M | 0.6% | +1,687,500 | New | History |
| PLRXPliant Therapeutics, Inc. | COM | 916,600 | $16.6M | 0.6% | −1,748,400−65.6% | Reduced | History |
| VERVVerve Therapeutics, Inc. | COM | 878,600 | $16.5M | 0.6% | −473,100−35.0% | Reduced | History |
| NTLAIntellia Therapeutics, Inc. | COM | 395,855 | $16.1M | 0.6% | −21,145−5.1% | Reduced | History |
| CERECerevel Therapeutics Holdings, Inc. | COM | 501,200 | $15.9M | 0.6% | +501,200 | New | History |
| SLRNACELYRIN, Inc. | COM | 750,000 | $15.7M | 0.5% | +750,000 | New | History |
| PNTPOINT Biopharma Global Inc. | COM | 1,671,800 | $15.1M | 0.5% | −739,800−30.7% | Reduced | History |
| KPTIKaryopharm Therapeutics Inc. | COM | 8,370,100 | $15.0M | 0.5% | −1,263,811−13.1% | Reduced | History |
| KZRKezar Life Sciences, Inc. | COM | 6,080,000 | $14.9M | 0.5% | −439,400−6.7% | Reduced | History |
| SDGRSchrodinger, Inc. | COM | 274,900 | $13.7M | 0.5% | +274,900 | New | History |
| TSVT2seventy bio, Inc. | COMMON STOCK | 1,342,000 | $13.6M | 0.5% | +1,342,000 | New | History |
| MLYSMineralys Therapeutics, Inc. | COM | 766,700 | $13.1M | 0.5% | −497,100−39.3% | Reduced | History |
| MRSNMersana Therapeutics, Inc. | COM | 3,790,000 | $12.5M | 0.4% | +356,767+10.4% | Added | History |
| CRBUCaribou Biosciences, Inc. | COM | 2,758,600 | $11.7M | 0.4% | 00.0% | Unchanged | History |
| NSTGNS Wind Down Co., Inc. | COM | 2,700,400 | $10.9M | 0.4% | +483,400+21.8% | Added | History |
| ALPNAlpine Immune Sciences, Inc. | COM | 1,058,500 | $10.9M | 0.4% | +69,000+7.0% | Added | History |
| NARIInari Medical, Inc. | Stock | 175,000 | $10.2M | 0.4% | +175,000 | New | History |
| ETNB89bio, Inc. | COM | 526,376 | $9.97M | 0.3% | −1,316,600−71.4% | Reduced | History |
| ACIUAC Immune SA | SHS | 2,903,278 | $8.58M | 0.3% | +2,577,878+792.2% | Added | History |
| DNLIDenali Therapeutics Inc. | COM | 282,752 | $8.34M | 0.3% | +282,752 | New | History |
| COLLCollegium Pharmaceutical, Inc | COM | 354,100 | $7.61M | 0.3% | −31,400−8.1% | Reduced | History |
| ATECAlphatec Holdings, Inc. | COM NEW | 393,000 | $7.07M | 0.2% | +393,000 | New | History |
| ANTXAN2 Therapeutics, Inc. | COM | 657,200 | $5.59M | 0.2% | −66,000−9.1% | Reduced | History |
| GRTSGritstone bio, Inc. | COM | 2,765,500 | $5.39M | 0.2% | +2,765,500 | New | History |
| CMPXCompass Therapeutics, Inc. | COM | 1,620,200 | $5.15M | 0.2% | −204,800−11.2% | Reduced | History |
| SCYXScynexis Inc | COM NEW | 1,738,734 | $5.13M | 0.2% | +1,738,734 | New | History |
| SYRSSyros Pharmaceuticals, Inc. | COM NEW | 1,464,034 | $4.61M | 0.2% | +559,404+61.8% | Added | History |
| ALTAltimmune, Inc. | COM NEW | 1,174,100 | $4.14M | 0.1% | −141,100−10.7% | Reduced | History |
| IPSCCentury Therapeutics, Inc. | COM | 1,110,900 | $3.51M | 0.1% | −157,200−12.4% | Reduced | History |
| HYPRHyperfine, Inc. | COM CL A | 1,188,178 | $2.55M | 0.1% | −315,576−21.0% | Reduced | History |
| SLPSimulations Plus, Inc. | COM | 45,900 | $1.99M | 0.1% | +45,900 | New | History |
| CMAXCareMax, Inc. | COM CL A | 636,000 | $1.98M | 0.1% | −119,329−15.8% | Reduced | History |
| BHCBausch Health Companies Inc. | Stock | 215,100 | $1.72M | 0.1% | +215,100 | New | History |
| GPCRStructure Therapeutics Inc. | SPONSORED ADS | 37,800 | $1.57M | 0.1% | +37,800 | New | History |
| Exscientia PLC30223G102 | ADS | 127,600 | $755.4K | <0.1% | +127,600 | New | – |
| AIPArteris, Inc. | COM | 75,500 | $514.9K | <0.1% | +75,500 | New | History |
| Nuvation Bio Inc.67080N119 | *W EXP 07/07/202 | 90,560 | $15.0K | <0.1% | −9,439−9.4% | Reduced | – |
Sold out since Q1 2023 (20)
Positions held at the end of Q1 2023 that are gone from this filing.
| Security | Class | Shares in Q1 2023 | Value in Q1 2023 | % of portfolio in Q1 2023 | History |
|---|---|---|---|---|---|
| MRKMerck & Co., Inc. | Stock | 600,000 | $63.8M | 2.1% | History |
| ISEEIVERIC bio, Inc. | COM | 1,869,200 | $45.5M | 1.5% | History |
| ABTAbbott Laboratories | Stock | 354,000 | $35.8M | 1.2% | History |
| Bellus Health Inc New07987C204 | COM NEW | 4,553,577 | $32.8M | 1.1% | – |
| ICLRIcon PLC | COM | 142,900 | $30.5M | 1.0% | History |
| BMRNBiomarin Pharmaceutical Inc | COM | 300,575 | $29.2M | 1.0% | History |
| AVTRAvantor, Inc. | COM | 1,125,000 | $23.8M | 0.8% | History |
| Avidity Biosciences, Inc.05370A108 | COM | 1,265,545 | $19.4M | 0.6% | – |
| ARQTArcutis Biotherapeutics, Inc. | COM | 1,628,500 | $17.9M | 0.6% | History |
| DXCMDexcom Inc | COM | 148,000 | $17.2M | 0.6% | History |
| BBIOBridgeBio Pharma, Inc. | COM | 1,000,000 | $16.6M | 0.6% | History |
| TWSTTwist Bioscience Corp | COM | 819,000 | $12.4M | 0.4% | History |
| CYTKCytokinetics Inc | COM NEW | 252,000 | $8.87M | 0.3% | History |
| KNTEKinnate Biopharma Inc. | COM | 1,160,000 | $7.25M | 0.2% | History |
| GERNGeron Corp | COM | 2,128,000 | $4.62M | 0.2% | History |
| SGMOQSangamo Therapeutics, Inc | COM | 2,470,000 | $4.35M | 0.1% | History |
| PRAXPraxis Precision Medicines, Inc. | COM | 4,281,700 | $3.46M | 0.1% | History |
| CYTCyteir Therapeutics, Inc. | COM | 1,764,100 | $3.21M | 0.1% | History |
| BCABBioAtla, Inc. | COM | 602,500 | $1.61M | 0.1% | History |
| Reunion Neuroscience Inc76134G103 | COM | 151,098 | $104.3K | <0.1% | – |