Revenue and Financial Performance - Total revenue for Q2 2023 was 188.4million,a40.8133.8 million in Q2 2022[17] - Total revenues for Q2 2023 were 188.4million,a40.8133.8 million in Q2 2022[108] - Total revenue for Q2 2023 was 188.4million,comparedto133.8 million in Q2 2022, with a net loss of 85.3million[105]−TotalrevenueforthesixmonthsendedJune30,2023,was318.9 million, compared to 275.7millioninthesameperiodin2022[17]−TotalrevenuesforQ22023were188.4 million, a significant increase from 133.8millioninQ22022,drivenbyincreasedpaymentsfrompartneredprograms[108]−TotalrevenueforQ22023was188.4 million, compared to 133.8millioninQ22022,and318.9 million for the first half of 2023, compared to 275.7millioninthesameperiodof2022[105]−Thecompanyhasearnedapproximately6.7 billion in revenue from inception through June 30, 2023, primarily from research and development collaborative agreements and commercial revenue[144] SPINRAZA Royalties - SPINRAZA royalties generated 61.0millioninQ22023,a2.359.6 million in Q2 2022[17] - SPINRAZA royalties contributed 61.0millioninQ22023,slightlyupfrom59.6 million in Q2 2022[108] - SPINRAZA royalties generated 61.0millioninrevenueforthethreemonthsendedJune30,2023,comparedto59.6 million in the same period in 2022[17] - SPINRAZA royalties contributed 61.0millioninQ22023,withglobalSPINRAZAproductsalesreaching437 million, showing resilience against competition[109] - SPINRAZA collaboration generated over 1.9billioninrevenuessinceinception,including1.5 billion in royalties[99] Research and Development (R&D) Revenue and Expenses - Research and development revenue surged to 110.5millioninQ22023,a98.755.6 million in Q2 2022[17] - R&D revenue for Q2 2023 was 110.5million,upfrom55.6 million in Q2 2022, primarily due to milestone payments of 51.1millionandlicensefeesof20.0 million[108] - R&D revenue doubled in Q2 2023 and increased over 35% in the first half of 2023 compared to the same periods in 2022[110] - Research and development revenue for the six months ended June 30, 2023, was 173.3million,comparedto125.2 million in the same period in 2022[17] - R&D revenue for Q2 2023 essentially doubled compared to the same period in 2022, and increased more than 35% for the first half of 2023[110] - Eplontersen joint development revenue reached 19.5millioninQ22023,upfrom17.4 million in Q2 2022[114] - Eplontersen joint development revenue for Q2 2023 was 19.5million,comparedto17.4 million in Q2 2022, and 43.9millionforthefirsthalfof2023,comparedto37.2 million in the same period of 2022[114] - Eplontersen Phase 3 development expenses for Q2 2023 were 38.3million,comparedto35.0 million in Q2 2022, and 85.4millionforthefirsthalfof2023,comparedto71.1 million in the same period of 2022[114] - Eplontersen development expenses rose to 28.7millioninQ22023,upfrom24.3 million in Q2 2022[123] - Olezarsen development expenses surged to 31.3millioninQ22023,comparedto12.7 million in Q2 2022[123] - Donidalorsen development expenses increased to 7.2millioninQ22023from1.9 million in Q2 2022[123] - Drug development expenses for Q2 2023 were 145.5million,comparedto103.2 million in Q2 2022, and 269.9millionforthefirsthalfof2023,comparedto201.8 million in the same period of 2022[123] - Manufacturing and development chemistry expenses were 24.4millioninQ22023,downfrom25.7 million in Q2 2022[128] - R&D support expenses increased to 23.0millioninQ22023,upfrom17.7 million in Q2 2022, primarily due to higher occupancy and personnel costs[130] - Manufacturing and development chemistry expenses for the six months ended June 30, 2023, were 41.2million,downfrom44.7 million in the same period in 2022[128] - R&D support expenses for the six months ended June 30, 2023, were 45.8million,upfrom34.9 million in the same period in 2022, primarily due to increased occupancy and personnel costs[130] Operating Expenses and Net Loss - Net loss for Q2 2023 was 85.3million,animprovementfrom105.1 million in Q2 2022[17] - Total operating expenses increased to 278.6millioninQ22023,up27.0219.3 million in Q2 2022[17] - Operating expenses, excluding non-cash compensation, increased to 252.1millioninQ22023from194.8 million in Q2 2022[115] - Net loss for the six months ended June 30, 2023, was 209.6million,comparedto170.3 million in the same period in 2022[17] - Total operating expenses for Q2 2023 were 278.6million,upfrom219.3 million in Q2 2022, and 523.3millionforthefirsthalfof2023,comparedto418.7 million in the same period of 2022[115] - Net loss for Q2 2023 was 85.3million,comparedto105.1 million in Q2 2022, and 209.6millionforthefirsthalfof2023,comparedto170.3 million in the same period of 2022[105] Investment Income and Financial Assets - Investment income rose significantly to 20.8millioninQ22023,comparedto3.4 million in Q2 2022[17] - The company held 2.32billioninfairvaluesecuritiesasofJune30,2023,including809.1 million in U.S. Treasury securities[62] - Investment income increased to 20.8millioninQ22023,upfrom3.4 million in Q2 2022, driven by higher interest rates and increased cash available for investment[134] - Investment income for Q2 2023 was 20.8million,comparedto3.4 million in Q2 2022, and 39.4millionforthefirsthalfof2023,comparedto5.4 million in the same period of 2022[134] - The fair value of cash equivalents held by the company as of June 30, 2023, was 316.4million[62]−GainoninvestmentsforthethreemonthsendedJune30,2023,was0.7 million, compared to a loss of 6.3millioninthesameperiodin2022[137]−InvestmentgainsforthethreemonthsendedJune30,2023,were0.7 million, compared to a loss of 6.3millioninthesameperiodin2022[137]RoyaltyPharmaAgreement−Companyreceivedanupfrontpaymentof500 million from Royalty Pharma for future SPINRAZA and pelacarsen royalties, with potential for up to 625millioninadditionalmilestonepayments[78]−RoyaltyPharmawillreceive251.5 billion in annual sales[78] - Estimated effective interest rate for the royalty agreement was 13.5% as of June 30, 2023[80] - Net liability related to sale of future royalties was 510.174millionasofJune30,2023[80]−Thecompanyreceivedanupfrontpaymentof500 million from Royalty Pharma and is eligible to receive up to 625millioninadditionalmilestonepayments[78]−TheestimatedeffectiveinterestrateundertheRoyaltyPharmaagreementwas13.517.7 million in Q2 2023, as part of the 500millionupfrontpaymentfromRoyaltyPharma[136]ConvertibleNotesandDebt−Companycompleteda575.0 million offering of 1.75% convertible senior notes in June 2023, with an effective interest rate of 2.3%[81][82] - Outstanding principal balance of 0% convertible senior notes was 632.5millionasofJune30,2023,withaneffectiveinterestrateof0.5434.1 million of 0.125% Notes in June 2023, resulting in a remaining principal balance of 114.8million[86]−Effectiveconversionpricefor0.125123.38 per share[87] - Company recorded a 11.3milliongainontheearlyretirementof0.125575.0 million offering of convertible senior notes in June 2023, with an effective interest rate of 2.3% and a conversion price per share of 53.73[82]−Thecompanyrepurchased434.1 million of its 0.125% Notes in June 2023, resulting in a remaining principal balance of 114.8millionasofJune30,2023[86]−Thecompanyrecordeda11.3 million gain on the early retirement of its 0.125% Notes in June 2023[86] - The company borrowed approximately 2.7billionunderlong−termdebtarrangementsfrominceptionthroughJune30,2023[144]Stock−BasedCompensation−Stock−basedcompensationexpensetotaled26.6 million in Q2 2023, up 8.4% from 24.5millioninQ22022[74]−Theweighted−averagegrantdatefairvalueofRSUsgrantedtoemployeesforthesixmonthsendedJune30,2023,was39.50 per share[69] - The weighted-average grant date fair value of PRSUs granted to executive officers for the six months ended June 30, 2023 and 2022 were 58.99and42.28 per share, respectively[74] - Total stock-based compensation expense for the six months ended June 30, 2023 was 53.51million,comparedto50.74 million for the same period in 2022[74] - As of June 30, 2023, total unrecognized estimated stock-based compensation expense related to non-vested stock options, RSUs and PRSUs was 50.5million,70.7 million and 8.4million,respectively[74]TaxandValuationAllowance−Incometaxexpenseincreasedto7.8 million in Q2 2023 from 2.3millioninQ22022,primarilyduetotheRoyaltyPharmatransaction[76]−Thecompanymaintainsafullvaluationallowanceonallnetdeferredtaxassets[77]−Thecompanyrecordedincometaxexpenseof7.8 million and 19.2millionforthethreeandsixmonthsendedJune30,2023,respectively,comparedto2.3 million and 3.4millionforthesameperiodsin2022[76]ProductDevelopmentandApprovals−QALSODYreceivedFDAacceleratedapprovalinApril2023forSOD1−ALStreatment[97]−Eplontersen′sPDUFAdateforATTRv−PNissetforDecember22,2023[97]−Phase3BALANCEstudyforolezarsenisontrackfordatareleaseinH22023[103]−Eplontersen′sPhase3NEURO−TTRansformstudyshowedpositiveresults,haltingneuropathydiseaseprogressionandimprovingqualityoflifethrough85weeks[103]−QALSODYreceivedacceleratedFDAapprovalinApril2023forSOD1−ALStreatment,withtheEMAcurrentlyreviewingitsMarketingAuthorizationApplicationintheEU[102]−ThecompanyhaseightmedicinesinPhase3studies,includingeplontersen,olezarsen,donidalorsen,andulefnersen,targetingvariousindications[103]−OlezarsenreceivedFDAfasttrackdesignationforFCStreatmentinJanuary2023,withPhase3BALANCEFCSstudydataexpectedinH22023[103]−Donidalorsen′sPhase3OASIS−HAEstudycompletedenrollmentinJune2023,withdataexpectedinH12024[103]CorporateStrategyandPartnerships−Corporatepartneringremainsakeystrategy,withpotentialrevenueimpactsifcollaborativepartnersfailtofunddevelopmentprograms[210]−AstraZenecaisfunding552.5 million in Q2 2023, down from 4.7millioninQ22022[118]−Medicalaffairsexpenseswere5.4 million in Q2 2023, slightly up from 5.2millioninQ22022,withexpectationsoffurtherincreasesasthepipelineadvances[126]−CostofsalesforthethreemonthsendedJune30,2023,were2.5 million, a decrease from 4.7millioninthesameperiodin2022[118]−MedicalaffairsexpensesforthesixmonthsendedJune30,2023,were10.7 million, up from 8.3millioninthesameperiodin2022[126]−CommercializationexpensesforeplontersenforQ22023were2.5 million, compared to 0.5millioninQ22022,and3.8 million for the first half of 2023, compared to 0.7millioninthesameperiodof2022[114]−MedicalaffairsexpensesforeplontersenforQ22023were1.1 million, compared to 0.5millioninQ22022,and1.8 million for the first half of 2023, compared to 0.8millioninthesameperiodof2022[114]ContractualObligationsandCapitalExpenditures−TotalcontractualobligationsasofJune30,2023,amountedto1,673.7 million, with 31.0millionduewithinoneyear[147]−Thecompanyhasraisedapproximately2.1 billion from the sale of equity securities since its inception through June 30, 2023[144] - The company borrowed approximately 2.7 billion under long-term debt arrangements from inception through June 30, 2023[144] - The company purchased its primary R&D facility for 79.4 million and its manufacturing facility for 14.0millioninJuly2017,financedwith60.4 million in mortgage debt[149] - The company had outstanding purchase orders as of June 30, 2023, for services, capital equipment, and materials as part of its normal course of business[154] - Total contractual obligations as of June 30, 2023, were 1,673.7million,with31.0 million due within one year and $1,642.7 million due after one year[147] Legal and Settlement - The Court approved the Revised Settlement and dismissed the Shumacher and Cohen Actions on April 24, 2023, with no admission of wrongdoing by any defendant[93]